Mustafizur Rahman | Noakhali Science and Technology University (original) (raw)

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Papers by Mustafizur Rahman

Applied Environmental Research, 2024

Plastic particles resulting from the breakdown of bigger plastics may be introduced directly as m... more Plastic particles resulting from the breakdown of bigger plastics may be introduced directly as micro-and nano-sized particles polluting the marine ecosystem, including ocean-extracted table salt. This study investigated the presence of microplastic (MP)-like particles in table salt from Bangladesh, focusing on both locally refined and commercially branded varieties. Local salt samples from Sadar and Moheshkhali Sub-district of Cox's Bazar contained an average of 23.4 and 12 particles kg-1 , respectively. In contrast, no particles were detected in commercial brands, likely due to their complex refining processes. The study also explored factors influencing local salt consumption, finding it influenced by the economy, availability, education level, occupation, income level, and misperceptions about local salt's health benefits compared to commercial brands. Interestingly, the study found that 71% of local salt consumers believed it to be more beneficial than branded salt, while education level influenced salt preference, with 83% of graduate and 53% of primary-educated individuals opting for commercial brands. These findings provide a valuable foundation for further research on MP exposure in different consumer groups, highlighting the need to investigate potential health risks and inform policy decisions regarding MP contamination in table salt in Bangladesh.

Data in Brief, 2024

This study presents a valuable dataset on air quality in the densely populated Dhaka Export Proce... more This study presents a valuable dataset on air quality in the densely populated Dhaka Export Processing Zone (DEPZ) of Bangladesh. It included a dataset of Particulate Matter (PM2.5, PM10) and CO concentrations with Air Quality Index (AQI) values. PM data was collected 24h, and CO data was collected 8h monthly from 2019 to 2023 using respirable dust sampler APS-113NL for PM2.5, APS-113BL for PM10, and LUTRON AQ9901SD Air Quality Monitor Data Logger used to measure CO concentration data. Data sampling locations are selected based on population density, and employment data for DEPZ is also included, highlighting a potential rise in population density. This article also forecasted pollutant concentrations, AQI values, and health hazards associated with air pollutants using the Auto Regressive Moving Average (ARIMA) model. The performance of the ARIMA model was also measured using root mean squared error (RMSE) and mean absolute error (MAE). However, this can be used to raise awareness among the public about the health hazards associated with air pollution and encourage them to take measures to reduce their exposure to air pollutants. In addition, this data can be instrumental for researchers and policymakers to assess air pollution risks, develop control strategies, and improve air quality in the DEPZ.

Bangladesh Journal of Environmental Research., 2020

Healthcare waste (HCW) has become a critical concern in developing countries like Bangladesh. Sin... more Healthcare waste (HCW) has become a critical concern in developing countries like Bangladesh. Since establishing a proper HCW management strategy requires practical information on current conditions, this study surveyed 72 hospitals and 37 diagnostic centers in the Noakhali district, Bangladesh, to identify the current HCW management status. Data were collected via questionnaires, on-site observations, and direct waste weighing. The study approach involved the estimation of the quantity of HCW generated, evaluation of processes, i.e., segregation, storage, packaging treatment, final disposal, and determination of the knowledge of healthcare workers regarding HCW management. The rate of HCW generation was 1730.53 and 76.5 kg per day for hospitals and diagnostic centers, respectively. Hazardous waste covered 31% of the total waste generated. Most of the facilities had no adequate and appropriate HCW segregation and storage facilities. Only three hospitals and one diagnostic center are used to manage their HCWs according to the World Health Organization guidelines. About 80.73% of healthcare facilities used to dispose of HCW, along with general municipal waste, without any treatment. Only 9% of the respondents received specific training in the management of HCW. Existing HCW management systems in the Noakhali district require adequately formulated waste minimization strategies, guidelines, implementation of legislation, and budgets. A mix of all is required to protect the healthcare workers, community people, and the environment from the adverse impact.

The electrical and electronics industry is one of the world's fastest-growing manufacturing secto... more The electrical and electronics industry is one of the world's fastest-growing manufacturing sectors. As a result of this rise in production, as well as the increasing rate of product consumption, e-waste from electrical and electronic equipment (EEE), has become the fastest-growing waste stream in the world. This study helps to quantify the existing generation rate, health, and environmental impacts of e-waste. A structured questionnaire has been processed in Gazipur and existing literature was reviewed. A total of 1200 households were interviewed using structured questionnaires. The results revealed that several income families used different types of electronics products. Eproduct consumption depends on an individual's income and e-waste generation depends on warranty policy and product life cycle. The health consequences of both direct exposures during recycling and indirect exposures through environmental contamination are potentially severe but poorly studied. E-waste concepts are relatively new in Gazipur as a result this study revealed, 840 households were aware of health and environmental impacts. E-waste minimization, reuse, or recycling is necessary but it should be conducted in a safe and standardized system. Recycling stations should be established with maintaining safety measures for workers and to conserve the environment from being contaminated. The government should involve in waste management by establishing rules and regulations specific to health safety and environmental issue relating to e-waste.

Healthcare waste (HCW) has become one of the critical concerns in developing countries like Bangl... more Healthcare waste (HCW) has become one of the critical concerns in developing countries like Bangladesh. Since establishing a proper HCW management strategy requires practical information on current conditions, this study surveyed 72 hospitals and 37 diagnostic centres in Noakhali district, Bangladesh to identify the current HCW management status. Data were collected via questionnaire surveys, on-site observations and direct weighing of waste. The study approach involved the estimation of the quantity of HCW generated, evaluation of processes i.e. segregation, storage, packaging treatment, final disposal and determination of the knowledge of healthcare workers regarding HCW management. The rate of HCW generation was 1730.53 and 76.5 kg per day for hospitals and diagnostic centres, respectively. Hazardous waste covered 31% of the total waste generated. There was no adequate and appropriate HCW segregation, storage facilities in the majority of the facilities. Only three hospitals and one diagnostic centre used to manage their HCW according to the guideline provided by the World Health Organization. About 80.73% of healthcare facilities used to dispose of HCW, along with the general municipal waste without any treatment. Only 9% of the respondents received specific training in the management of HCW. Existing HCW management systems in Noakhali district require adequately formulated waste minimisation strategies, guidelines, implementation of legislation, and budgets. A mix of all required to protect the healthcare workers, community people and the environment from the adverse impact.

Thesis Chapters by Mustafizur Rahman

lambert publishing, 2019

A carefully designed survey of Healthcare waste management was undertaken in Noakhali Municipali... more A carefully designed survey of Healthcare waste management was undertaken in Noakhali
Municipality area, One of the District in Bangladesh. A range of sampling strategies and
data gathering techniques were used. The data gathering techniques included observation,
formal structured interview and informal dialogue. The shortcomings in the management
practices of hospital solid waste in Noakhali were studied by looking at 23 Hospitals and
21 Diagnostic centers as Survey study. Apart from field surveys, the generated hospital
waste was weighed to compute the generation rates and was followed through various
management practices to the final disposal. The findings revealed a major policy
implementation gap between the national government and the hospitals. While modern
practices such as landfill and incineration are not used widely, their daily operations were
not carried according to minimum standards. Healthcare waste is openly dumped and
wastes are burned on landfills instead of being covered with soil. The incinerators used
(One Hospital) are also not environmentally friendly as they store wastes over a month to
incinerate. The findings further revealed that there is no proper separation of wastes
according to their classification as demanded by the national government. The mean
percentage of Healthcare segregate waste for handling was found in the following: solid
and liquid (61%), hazardous and Non-Hazardous (32%), and toxic and non-toxic (7%), and
total waste generation was 609.24kg/day. This study proposed the establishment of a waste disposal
site under proper authorization and surveillance with a public-private partnership that opens
an opportunity for employment and Environmental safety

Applied Environmental Research, 2024

Data in Brief, 2024

Bangladesh Journal of Environmental Research., 2020

lambert publishing, 2019