Sanitary landfill design and siting criteria (original) (raw)

DESIGN CONSIDERATIONS FOR AN ENGINEERED LANDFILL

An engineered landfill presents an opportunity for proper waste management that allows resource recovery from waste. However, for this to be achieved several technical parameters must be considered when designing a sanitary landfill. These technical parameters include proper site selection with minimal environmental and hydrological negative impacts, selection of a liner network that will not allow the leachate to infiltrate into the ground. Furthermore, there is need to have an integrated network for monitoring the movement of the waste as well as quality of the leachate. The surface drainage at a landfill site must also be well understood as well as daily covering measures to avoid pests and pathogens coming outside the designated landfill site. Although, landfills present a potential for proper municipal waste management, the human capital aspect is also critical and must be considered.

Modified landfill design for sustainable waste management

International Journal of Global Energy Issues, 2005

Waste management, being one of the most important aspects of urban development, is gaining importance among developing nations. Landfills, which were initiated for hazardous waste management and subsequently transformed into sanitary landfills, have been the most widely adapted practice for municipal solid waste management worldwide. However, the conventional design of landfills not only fails to fulfil the needs of waste

Sanitary Landfilling – A Key Component of Waste Management

Jurnal Rekayasa Kimia & Lingkungan, 2013

In many affluent countries waste management is experiencing a fast transition from landfilling to sophisticated recycling and waste to energy plants. Thus, landfilling of waste becomes less important in these countries. The present paper discusses whether a similar development will take place in transition economies, or waste management systems will mainly rely on landfilling in the near future. For this purpose, the current waste management practices and associated environmental impacts as well as the economic situation of different countries in economic transition are analyzed. Based on the status quo, scenarios for improving waste management are developed and evaluated. Criteria for evaluation are economic parameters, and indicators pointing out if the goals of waste management (protection of human health and the environment, the conservation of resources), are reached. Based on the results of selected case studies, it is shown that for regions that can afford less than 20 €/capi...

Design and Operation of Effective Landfills with Minimal Effects on the Environment and Human Health

Journal of Environmental and Public Health

Totaling at 7.4 billion people, the world’s population is rapidly growing, bringing along with it an increase in waste generation. The impact of this exponential increase in waste generation has resulted in the increased formation and utilization of landfills. In the present day, landfills are utilized to dispose of chemical, hazardous, municipal, and electronic wastes. However, despite their convenience, most landfills are improperly managed and face constant changes from the surrounding environment that interfere with their internal landfill processes. The objectives of this mixed review are to highlight the negative impacts landfills have on the environment and public health as well as outline the need for proper management practices to mitigate these effects. Inadequate management of landfills leads to issues concerning leachate collection and landfill gas (LFG) generation, which give rise to groundwater contamination and air pollution. This paper recognizes the disadvantages of...

Design and Development of a Sanitary Landfill for Low Income Countries for Optimal Waste Management

Proper waste management in developing countries is increasingly becoming popular, especially the use of engineered sanitary landfills. In this study, the classification, design, and operation of sanitary landfills are stated and suggestions made. The landfills were classified in accordance to waste type and population size. Leachate control mechanisms were put in place in a bid to avoid surface and underground water pollution. Several liner materials such as clay and geotextile material are recommended to avoid leachate perforating into the ground. Waste management is encouraged to be done through the cell system which must be compacted and covered on a daily basis. Resource recovery of biogas for power generation is recommended to recovery value from the waste as well as to lower landfill operation costs. Post-closure monitoring of the landfill must be done and recreation centers can be developed on the landfill as a rehabilitation strategy. Land filling is essential for proper waste management and is also governed by local acts.