aysegul pala | Dokuz Eylül University (original) (raw)
Papers by aysegul pala
DergiPark (Istanbul University), 2009
Metal ile ametal arasında bir özelliğe sahip olan arsenik yerkabuğunda en çok bulunan elementlerd... more Metal ile ametal arasında bir özelliğe sahip olan arsenik yerkabuğunda en çok bulunan elementlerden biridir. Doğada hem doğal hem antropojenik kaynaklı olarak bulunabilen arsenik toksik ve kanserojen bir maddedir. Suda en çok bulunan inorganik arsenik türleri arsenit (As(III)) ve arsenattır (As(V)). Arseniğin türünü ve dağılımını suyun pH'ı, redoks potansiyeli ve sülfür, demir ve kalsiyum gibi kompleks iyonların varlığı belirler. Dünyada birçok bölgede doğal olarak oluşan yeraltı suyu arsenik kirliliği nedeniyle çok sayıda kişi arsenik zehirlenmesi riski ile karşı karşıya kalmıştır. Türkiye'de de özellikle batı bölgelerde, içme sularında arsenik için belirlenen maksimum kirletici seviyesi olan 10 g/L'den daha yüksek miktarda arsenik konsantrasyonlarına rastlanmıştır. Bu çalışma kapsamında ülkemizde arsenik sorununun boyutları ve nedenleri araştırılmıştır. Bu amaçla İzmir'e bağlı bazı ilçelerde yapılan analizler sonucunda standartların üzerinde arsenik bulunmuştur. Kuyu sularında doğal olarak oluşan arsenik kirliliği suyun bulunduğu derinlikteki kaya türü, mineral ve cevher yapıdan kaynaklanmaktadır.
International Journal of Environmental Science and Technology
Pharmaceuticals and personal care products present potential risks to human health and the enviro... more Pharmaceuticals and personal care products present potential risks to human health and the environment. In particular, wastewater treatment plants often detect emerging pollutants that disrupt biological treatment. The activated sludge process is a traditional biological method with a lower capital cost and limited operating requirements than more advanced treatment methods. In addition, the membrane bioreactor combines a membrane module and a bioreactor, widely used as an advanced method for treating pharmaceutical wastewater with good pollution performance. Indeed, the fouling of the membrane remains a major problem in this process. In addition, anaerobic membrane bioreactors can treat complex pharmaceutical waste while recovering energy and producing nutrient-rich wastewater for irrigation. Wastewater characterizations have shown that wastewater's high organic matter content facilitates the selection of low-cost, low-nutrient, low-surface-area, and effective anaerobic methods for drug degradation and reduces pollution. However, to improve the biological treatment, researchers have turned to hybrid processes in which all physical, chemical, and biological treatment methods are integrated to remove various emerging contaminants effectively. Hybrid systems can generate bioenergy, which helps reduce the operating costs of the pharmaceutical waste treatment system. To find the most effective treatment technique for our research, this work lists the different biological treatment techniques cited in the literature, such as activated sludge, membrane bioreactor, anaerobic treatment, and hybrid treatment, combining physicochemical and biological techniques.
2020 International Congress on Human-Computer Interaction, Optimization and Robotic Applications (HORA)
In order to measure air pollution, to provide air quality control for the dangerous regions, and ... more In order to measure air pollution, to provide air quality control for the dangerous regions, and to provide stability in other regions, many developed countries have established air quality measurement stations. All of these sites have meta-data information containing the type of station such as urban, rural or industrial according to the location of the corresponding station or the characteristic specialty of the surrounding region. The classification of these stations under certain categories is an important process because if the type of station is known, the institutions that provide environmental auditing will transfer the resources appropriate to these regions and adequate control will be provided about the air quality for them. For this purpose, it was aimed in this study to determine to which class to be assigned when a new station is to be set up by taking into account the past pollutant concentrations and meteorological factors. In the experimental studies, different classification algorithms and their ensemble models are compared with our ensemble learning model "Enhanced Bagging (eBagging)" to classify 21 sites in the air quality monitoring network of Turkey. As a consequence, the eBagging ensemble learning algorithm combined with C4.5 significantly outperforms single classification models and their ensembles by better classifying the monitoring stations in terms of the air pollutant concentrations and meteorological data.
The holistic approach to environment, 2020
The aim of this study is technical and statistical evaluation of wastewater treatment plants exis... more The aim of this study is technical and statistical evaluation of wastewater treatment plants existing at the holiday resorts in areas surrounding Izmir City. The study was carried out in the time period from August to September 2018. Within the scope of the study, 150 holiday resorts were investigated and listed. The necessary permissions were obtained and the treatment plants were visited at their current locations. Most of the wastewater treatment plants are embedded in the ground and are referred to as package treatment systems. They are used at holiday resorts for many reasons, such as smell and noise control. Many parameters have been considered within the scope of the study, such as installed power of the plant, influent wastewater flow and pollutant concentration, the properties of the sludge, sludge disposal methods, effluent wastewater parameters, the method and location of effluent water discharge, operation period of the wastewater treatment plant. As a result of this stu...
Applied Sciences, 2019
Air pollution, which is the result of the urbanization brought by modern life, has a dramatic imp... more Air pollution, which is the result of the urbanization brought by modern life, has a dramatic impact on the global scale as well as local and regional scales. Since air pollution has important effects on human health and other living things, the issue of air quality is of great importance all over the world. Accordingly, many studies based on classification, clustering and association rule mining applications for air pollution have been proposed in the field of data mining and machine learning to extract hidden knowledge from environmental parameters. One approach is to model a region in a way that cities having similar characteristics are determined and placed into the same clusters. Instead of using traditional clustering algorithms, a novel algorithm, named Majority Voting based Multi-Task Clustering (MV-MTC), is proposed and utilized to consider multiple air pollutants jointly. Experimental studies showed that the proposed method is superior to five well-known clustering algorit...
Chemical & biochemical engineering quarterly, 2021
Humic acid (HA) impairs water quality due to its reactivity with many substances present in water... more Humic acid (HA) impairs water quality due to its reactivity with many substances present in water. During the drinking-water treatment process and water distribution via water supply system, HA present in water may react with chlorine and other disinfects producing harmful disinfection by-products (DBPs), which are categorized by the International Agency for Research on Cancer (IARC) in groups 2A (probably carcinogenic to humans) or 2B (possibly carcinogenic to humans). Several studies have investigated and reported increased HA removal by iron-coated sorbents. Therefore, the aim of this study was to examine the removal of HA from water by two commercially available bituminous coal-based activated carbons (ACs), Cullar D (Cm) and Hydraffin 30N (Hm). Prior to testing the chosen adsorbents were chemically modified according to two protocols: (1) oxidation by acid mixture (m1), and (2) oxidation with acid mixture followed by iron-ions impregnation (m2). The batch adsorption tests were ...
ekoloji.com.tr
... SICAKLIĞIN BÜYÜMEYi SINIRLAYICI ETKİSİ Deniz suyunun sıcaklığı, su yoğunluğuna, dolayısıyla s... more ... SICAKLIĞIN BÜYÜMEYi SINIRLAYICI ETKİSİ Deniz suyunun sıcaklığı, su yoğunluğuna, dolayısıyla su sütununun stabilitesine etki eden bir faktör olup, karışım ... adı verilen bölge yer almakta ve bu tabaka besin maddesi açısından zengin olan dip sularını, ye-terli ışığa sahip ...
NATO ASI SERIES I GLOBAL …, 1995
Description of Izmir City and Izmir Bay Izmir is the second most important industrial and commerc... more Description of Izmir City and Izmir Bay Izmir is the second most important industrial and commercial center of Turkey. The city and its surrounding catchment has a surface area of 12825 km2. Besides industrial activities the city also has agricultural and tourism activities. The increase of population, concentration of industry and rapid development created extensive urbanisation which has significantly disturbed the natural balance of its environment.
Water Environment Research a Research Publication of the Water Environment Federation, Sep 1, 2009
In this study, biological treatment performances of two parallel treatment lines operating with a... more In this study, biological treatment performances of two parallel treatment lines operating with and without primary sedimentation were investigated. The research was carried out in a large-scale enhanced biological phosphorus removal (EBPR) process. Influent and effluent of treatment lines were characterized continuously during the study. In addition, anaerobic anoxic and aerobic EBPR activities were investigated by batch tests using fresh activated sludge samples. All of the environmental and operational conditions of the treatment lines were statistically compared. Evaluation of effluent compositions indicated that EBPR performances of treatment lines were significantly different. Results of the research also indicated that settling characteristics of the activated sludge process could be improved significantly with increasing particulate biodegradable organic compound (pbCOD) loading rate. Batch test results revealed that anaerobic, anoxic, and aerobic biochemical reaction rates of activated sludge cultivated on increased pbCOD loading rate were significantly higher compared to activated sludge cultivated on soluble substrate forms. Water Environ. Res., 81, 886 (2009).
Environ Technol, 1996
ABSTRACT Pseudomonas sp. isolated from the activated sludge of a petrochemical industry treatment... more ABSTRACT Pseudomonas sp. isolated from the activated sludge of a petrochemical industry treatment plant was harvested and used as an inoculum culture for biological treatment of petrochemical wastewaters. The objective was the comparison of biological treatment efficiencies between Pseudomonas sp. added activated sludge and normal activated sludge taken from the full scale treatment plant. Experiments were carried out both in batch and continuous operations using a laboratory scale activated sludge system. Monod kinetic was used to determine kinetic coefficients from the experimental data of continuous operations. The maximum COD utilization rate constant (k), saturation constant (Ks), microbial decay rate (kd), yield coefficient (Y) and maximum specific growth rate (max) were determined to be 0.95 1/day, 199 mgCOD/L, 0.10 1/day, 0.30 mgMLSS/mgCOD and 0.285 1/day for normal activated sludge, respectively. These coefficients were also determined for Pseudomonas sp. added activated sludge system as 2.75 1/day, 1035 mgCOD/L, 0.08 1/day, 0.32 mgMLSS/mgCOD and 0.88 1/day, respectively. Removal efficiencies of COD, TN and phenol for lower sludge ages were found higher for the Pseudomonas sp. added activated sludge system than that of the activated sludge system. Treatment efficiencies were found to be almost the same for both systems at high sludge ages.
Water quality is very important in textile processing factories. This study deals with the alkali... more Water quality is very important in textile processing factories. This study deals with the alkalinity problem in one of this factories. The present water treatment system efficiency is evaluated by monitoring the pH, total hardness and alkalinity in the water samples. After determining that the present system does not meet the alkalinity standard requirement, which is desired in the textile process, a new process is suggested by using the a computer program produced by Purolite International Limited. Two plant calculations is carried out with this program. The first one is a typical dealkalisation calculation. The second suggested plant is a somewhat special calculation, the resin is loaded with only the alkalinity stoichiometrically equivalent to the hardness. The treated water quality is very good in both plants but they don't fully meet the standard requirements in terms of pH and chlorides.
In this study, the biosorption of lead (II) and zinc(II) ions by Mycotons, which are fungal-based... more In this study, the biosorption of lead (II) and zinc(II) ions by Mycotons, which are fungal-based biosorbents, was investigated in a batch stirred reactor at room temperature. Clean groundwater sample was used as aqueous solution. Pb(NO3)2 was used as Pb +2 source and ZnCl2 was used as Zn +2 source. Natural pH of the groundwater sample was 6.60.15. Total hardness of groundwater sample was 370 mgCaCO3/L, alkalinity was 365 mg CaCO3/L, and total dissolved solid concentration was 400 mg/L . Initial Pb +2 and Zn +2 concentrations were 8, 20 and 30 mg/L which are selected arbitrary considering those maximum possible concentrations to be found in polluted groundwater. Biosorption of Pb +2 was very quick with Mycoton Ff and equilibrium concentration of Pb +2 couldn't catch since Pb +2 concentration was below the detection limit after ten minutes. The Langmuir isotherm was the best isotherm for Zn +2 having an initial concentration of 30 mg/l, including Mycoton Ff as biosorbent, and the Langmuir isotherm was also the best isotherm for Zn +2 having an initial concentration of 20 mg/L, including Mycoton Chs. Pb +2 and Zn +2 ions removal from aqueous solution was 100% percent with a high biosorption capacity. This study showed that biosorbents, which are prepared from fungus, can be used very efficiently for the adsorption of heavy metals from the contaminated sites such as groundwaters, wastewaters, reservoirs and soils. In addition to the removal of heavy metals from the contaminated sites, accumulated valuable heavy metals can be also recovered or reused.
Many human-made organic chemical compounds are currently possible to be detected in drinking wate... more Many human-made organic chemical compounds are currently possible to be detected in drinking water sources, hence, they are of increasing interest, because of their potential toxicity, carcinogenicity and mutagenicity effects. Among them, dyes from textile processing wastewater can enter in drinking water supplies. In this study, biologically treated textile wastewater, treated by activated carbon made from solved extracted olive pulp residue and olive wooden stone. Since these are waste materials, their use in the synthesis of activated carbon production process will reduce solid waste pollution. The results show that the COD of textile wastewater reduced for about 74%, as well as the TOC removal efficiency was 72%. Additional a maximum 84% remove of color was achieved by using 800 mg/L powder activated carbon dosage. These activated carbons were proved to be efficient adsorbents for the removal of water pollutants and contaminants
DergiPark (Istanbul University), 2009
Metal ile ametal arasında bir özelliğe sahip olan arsenik yerkabuğunda en çok bulunan elementlerd... more Metal ile ametal arasında bir özelliğe sahip olan arsenik yerkabuğunda en çok bulunan elementlerden biridir. Doğada hem doğal hem antropojenik kaynaklı olarak bulunabilen arsenik toksik ve kanserojen bir maddedir. Suda en çok bulunan inorganik arsenik türleri arsenit (As(III)) ve arsenattır (As(V)). Arseniğin türünü ve dağılımını suyun pH'ı, redoks potansiyeli ve sülfür, demir ve kalsiyum gibi kompleks iyonların varlığı belirler. Dünyada birçok bölgede doğal olarak oluşan yeraltı suyu arsenik kirliliği nedeniyle çok sayıda kişi arsenik zehirlenmesi riski ile karşı karşıya kalmıştır. Türkiye'de de özellikle batı bölgelerde, içme sularında arsenik için belirlenen maksimum kirletici seviyesi olan 10 g/L'den daha yüksek miktarda arsenik konsantrasyonlarına rastlanmıştır. Bu çalışma kapsamında ülkemizde arsenik sorununun boyutları ve nedenleri araştırılmıştır. Bu amaçla İzmir'e bağlı bazı ilçelerde yapılan analizler sonucunda standartların üzerinde arsenik bulunmuştur. Kuyu sularında doğal olarak oluşan arsenik kirliliği suyun bulunduğu derinlikteki kaya türü, mineral ve cevher yapıdan kaynaklanmaktadır.
International Journal of Environmental Science and Technology
Pharmaceuticals and personal care products present potential risks to human health and the enviro... more Pharmaceuticals and personal care products present potential risks to human health and the environment. In particular, wastewater treatment plants often detect emerging pollutants that disrupt biological treatment. The activated sludge process is a traditional biological method with a lower capital cost and limited operating requirements than more advanced treatment methods. In addition, the membrane bioreactor combines a membrane module and a bioreactor, widely used as an advanced method for treating pharmaceutical wastewater with good pollution performance. Indeed, the fouling of the membrane remains a major problem in this process. In addition, anaerobic membrane bioreactors can treat complex pharmaceutical waste while recovering energy and producing nutrient-rich wastewater for irrigation. Wastewater characterizations have shown that wastewater's high organic matter content facilitates the selection of low-cost, low-nutrient, low-surface-area, and effective anaerobic methods for drug degradation and reduces pollution. However, to improve the biological treatment, researchers have turned to hybrid processes in which all physical, chemical, and biological treatment methods are integrated to remove various emerging contaminants effectively. Hybrid systems can generate bioenergy, which helps reduce the operating costs of the pharmaceutical waste treatment system. To find the most effective treatment technique for our research, this work lists the different biological treatment techniques cited in the literature, such as activated sludge, membrane bioreactor, anaerobic treatment, and hybrid treatment, combining physicochemical and biological techniques.
2020 International Congress on Human-Computer Interaction, Optimization and Robotic Applications (HORA)
In order to measure air pollution, to provide air quality control for the dangerous regions, and ... more In order to measure air pollution, to provide air quality control for the dangerous regions, and to provide stability in other regions, many developed countries have established air quality measurement stations. All of these sites have meta-data information containing the type of station such as urban, rural or industrial according to the location of the corresponding station or the characteristic specialty of the surrounding region. The classification of these stations under certain categories is an important process because if the type of station is known, the institutions that provide environmental auditing will transfer the resources appropriate to these regions and adequate control will be provided about the air quality for them. For this purpose, it was aimed in this study to determine to which class to be assigned when a new station is to be set up by taking into account the past pollutant concentrations and meteorological factors. In the experimental studies, different classification algorithms and their ensemble models are compared with our ensemble learning model "Enhanced Bagging (eBagging)" to classify 21 sites in the air quality monitoring network of Turkey. As a consequence, the eBagging ensemble learning algorithm combined with C4.5 significantly outperforms single classification models and their ensembles by better classifying the monitoring stations in terms of the air pollutant concentrations and meteorological data.
The holistic approach to environment, 2020
The aim of this study is technical and statistical evaluation of wastewater treatment plants exis... more The aim of this study is technical and statistical evaluation of wastewater treatment plants existing at the holiday resorts in areas surrounding Izmir City. The study was carried out in the time period from August to September 2018. Within the scope of the study, 150 holiday resorts were investigated and listed. The necessary permissions were obtained and the treatment plants were visited at their current locations. Most of the wastewater treatment plants are embedded in the ground and are referred to as package treatment systems. They are used at holiday resorts for many reasons, such as smell and noise control. Many parameters have been considered within the scope of the study, such as installed power of the plant, influent wastewater flow and pollutant concentration, the properties of the sludge, sludge disposal methods, effluent wastewater parameters, the method and location of effluent water discharge, operation period of the wastewater treatment plant. As a result of this stu...
Applied Sciences, 2019
Air pollution, which is the result of the urbanization brought by modern life, has a dramatic imp... more Air pollution, which is the result of the urbanization brought by modern life, has a dramatic impact on the global scale as well as local and regional scales. Since air pollution has important effects on human health and other living things, the issue of air quality is of great importance all over the world. Accordingly, many studies based on classification, clustering and association rule mining applications for air pollution have been proposed in the field of data mining and machine learning to extract hidden knowledge from environmental parameters. One approach is to model a region in a way that cities having similar characteristics are determined and placed into the same clusters. Instead of using traditional clustering algorithms, a novel algorithm, named Majority Voting based Multi-Task Clustering (MV-MTC), is proposed and utilized to consider multiple air pollutants jointly. Experimental studies showed that the proposed method is superior to five well-known clustering algorit...
Chemical & biochemical engineering quarterly, 2021
Humic acid (HA) impairs water quality due to its reactivity with many substances present in water... more Humic acid (HA) impairs water quality due to its reactivity with many substances present in water. During the drinking-water treatment process and water distribution via water supply system, HA present in water may react with chlorine and other disinfects producing harmful disinfection by-products (DBPs), which are categorized by the International Agency for Research on Cancer (IARC) in groups 2A (probably carcinogenic to humans) or 2B (possibly carcinogenic to humans). Several studies have investigated and reported increased HA removal by iron-coated sorbents. Therefore, the aim of this study was to examine the removal of HA from water by two commercially available bituminous coal-based activated carbons (ACs), Cullar D (Cm) and Hydraffin 30N (Hm). Prior to testing the chosen adsorbents were chemically modified according to two protocols: (1) oxidation by acid mixture (m1), and (2) oxidation with acid mixture followed by iron-ions impregnation (m2). The batch adsorption tests were ...
ekoloji.com.tr
... SICAKLIĞIN BÜYÜMEYi SINIRLAYICI ETKİSİ Deniz suyunun sıcaklığı, su yoğunluğuna, dolayısıyla s... more ... SICAKLIĞIN BÜYÜMEYi SINIRLAYICI ETKİSİ Deniz suyunun sıcaklığı, su yoğunluğuna, dolayısıyla su sütununun stabilitesine etki eden bir faktör olup, karışım ... adı verilen bölge yer almakta ve bu tabaka besin maddesi açısından zengin olan dip sularını, ye-terli ışığa sahip ...
NATO ASI SERIES I GLOBAL …, 1995
Description of Izmir City and Izmir Bay Izmir is the second most important industrial and commerc... more Description of Izmir City and Izmir Bay Izmir is the second most important industrial and commercial center of Turkey. The city and its surrounding catchment has a surface area of 12825 km2. Besides industrial activities the city also has agricultural and tourism activities. The increase of population, concentration of industry and rapid development created extensive urbanisation which has significantly disturbed the natural balance of its environment.
Water Environment Research a Research Publication of the Water Environment Federation, Sep 1, 2009
In this study, biological treatment performances of two parallel treatment lines operating with a... more In this study, biological treatment performances of two parallel treatment lines operating with and without primary sedimentation were investigated. The research was carried out in a large-scale enhanced biological phosphorus removal (EBPR) process. Influent and effluent of treatment lines were characterized continuously during the study. In addition, anaerobic anoxic and aerobic EBPR activities were investigated by batch tests using fresh activated sludge samples. All of the environmental and operational conditions of the treatment lines were statistically compared. Evaluation of effluent compositions indicated that EBPR performances of treatment lines were significantly different. Results of the research also indicated that settling characteristics of the activated sludge process could be improved significantly with increasing particulate biodegradable organic compound (pbCOD) loading rate. Batch test results revealed that anaerobic, anoxic, and aerobic biochemical reaction rates of activated sludge cultivated on increased pbCOD loading rate were significantly higher compared to activated sludge cultivated on soluble substrate forms. Water Environ. Res., 81, 886 (2009).
Environ Technol, 1996
ABSTRACT Pseudomonas sp. isolated from the activated sludge of a petrochemical industry treatment... more ABSTRACT Pseudomonas sp. isolated from the activated sludge of a petrochemical industry treatment plant was harvested and used as an inoculum culture for biological treatment of petrochemical wastewaters. The objective was the comparison of biological treatment efficiencies between Pseudomonas sp. added activated sludge and normal activated sludge taken from the full scale treatment plant. Experiments were carried out both in batch and continuous operations using a laboratory scale activated sludge system. Monod kinetic was used to determine kinetic coefficients from the experimental data of continuous operations. The maximum COD utilization rate constant (k), saturation constant (Ks), microbial decay rate (kd), yield coefficient (Y) and maximum specific growth rate (max) were determined to be 0.95 1/day, 199 mgCOD/L, 0.10 1/day, 0.30 mgMLSS/mgCOD and 0.285 1/day for normal activated sludge, respectively. These coefficients were also determined for Pseudomonas sp. added activated sludge system as 2.75 1/day, 1035 mgCOD/L, 0.08 1/day, 0.32 mgMLSS/mgCOD and 0.88 1/day, respectively. Removal efficiencies of COD, TN and phenol for lower sludge ages were found higher for the Pseudomonas sp. added activated sludge system than that of the activated sludge system. Treatment efficiencies were found to be almost the same for both systems at high sludge ages.
Water quality is very important in textile processing factories. This study deals with the alkali... more Water quality is very important in textile processing factories. This study deals with the alkalinity problem in one of this factories. The present water treatment system efficiency is evaluated by monitoring the pH, total hardness and alkalinity in the water samples. After determining that the present system does not meet the alkalinity standard requirement, which is desired in the textile process, a new process is suggested by using the a computer program produced by Purolite International Limited. Two plant calculations is carried out with this program. The first one is a typical dealkalisation calculation. The second suggested plant is a somewhat special calculation, the resin is loaded with only the alkalinity stoichiometrically equivalent to the hardness. The treated water quality is very good in both plants but they don't fully meet the standard requirements in terms of pH and chlorides.
In this study, the biosorption of lead (II) and zinc(II) ions by Mycotons, which are fungal-based... more In this study, the biosorption of lead (II) and zinc(II) ions by Mycotons, which are fungal-based biosorbents, was investigated in a batch stirred reactor at room temperature. Clean groundwater sample was used as aqueous solution. Pb(NO3)2 was used as Pb +2 source and ZnCl2 was used as Zn +2 source. Natural pH of the groundwater sample was 6.60.15. Total hardness of groundwater sample was 370 mgCaCO3/L, alkalinity was 365 mg CaCO3/L, and total dissolved solid concentration was 400 mg/L . Initial Pb +2 and Zn +2 concentrations were 8, 20 and 30 mg/L which are selected arbitrary considering those maximum possible concentrations to be found in polluted groundwater. Biosorption of Pb +2 was very quick with Mycoton Ff and equilibrium concentration of Pb +2 couldn't catch since Pb +2 concentration was below the detection limit after ten minutes. The Langmuir isotherm was the best isotherm for Zn +2 having an initial concentration of 30 mg/l, including Mycoton Ff as biosorbent, and the Langmuir isotherm was also the best isotherm for Zn +2 having an initial concentration of 20 mg/L, including Mycoton Chs. Pb +2 and Zn +2 ions removal from aqueous solution was 100% percent with a high biosorption capacity. This study showed that biosorbents, which are prepared from fungus, can be used very efficiently for the adsorption of heavy metals from the contaminated sites such as groundwaters, wastewaters, reservoirs and soils. In addition to the removal of heavy metals from the contaminated sites, accumulated valuable heavy metals can be also recovered or reused.
Many human-made organic chemical compounds are currently possible to be detected in drinking wate... more Many human-made organic chemical compounds are currently possible to be detected in drinking water sources, hence, they are of increasing interest, because of their potential toxicity, carcinogenicity and mutagenicity effects. Among them, dyes from textile processing wastewater can enter in drinking water supplies. In this study, biologically treated textile wastewater, treated by activated carbon made from solved extracted olive pulp residue and olive wooden stone. Since these are waste materials, their use in the synthesis of activated carbon production process will reduce solid waste pollution. The results show that the COD of textile wastewater reduced for about 74%, as well as the TOC removal efficiency was 72%. Additional a maximum 84% remove of color was achieved by using 800 mg/L powder activated carbon dosage. These activated carbons were proved to be efficient adsorbents for the removal of water pollutants and contaminants