This study consisted in characterizing the leachate from the landfill of akouedo in the district of abidjan cote divoire despite the completion of filling operations in 2019. Present and longterm composition of msw landfill leachate. The composition of leachate produced from a municipal landfill is highly variable, depending on factors such as refuse composition, refuse processing, landfill age, the rate of infiltration, landfill depth, and landfill temperature. Such a capping system for a municipal waste landfill in rastorf northern germany was developed and tested for its sealing capability on the basis of observed and simulated water balance components for the period. Jha3 scientist c, pushpa gujral science city, kapurthala144601, punjab, india1 director, guru nanak dev engineering college, ludhiana141006, punjab, india 2. Characterization of the leachate from the municipal. What is leachate the liquid formed when rain water filters through wastes placed in a landfill. Final report closing the gaps in the regulation of.
Perspectives on biological treatment of sanitary landfill leachate. Mineral temporary capping systems of landfills are required to accomplish the longterm coverage prerequisites or to use them as a basis layer prior to later permanent sealing. The composition of leachate is related to some factors, including properties of waste, location, seasons. A municipal solid waste landfill mswlf is a discrete area of land or excavation that receives household waste. Control and treatment of landfill leachate for sanitary waste disposal. Assessment of municipal solid waste landfill leachate treatment efficiency by leachate pollution index barjinder bhalla1, m. Study on treatment of municipal solid waste landfill leachate by fenton process bhavani s1, m. Depending on the composition and extent of decomposition of the refuse and.
Solid waste is an important environmental problem in both developing and developed countries. Landfills and water quality management landfill impacts on. The study evaluates the human health and ecological risks posed by elevated tritium levels in municipal solid waste leachate and landfill gas and the implications to their safe management. A study of tritium in municipal solid waste leachate and. Jan 16, 2011 leachate on landfill surface the leachate expert website. Landfilling of waste has increased dramatically over recent years and there have been many examples of landfills which are unacceptable on environmental. Landfill wastewater is regulated by most federal and state environmental agencies. Sustainable treatment of landfill leachate springerlink. Landfills, incineration plants, and transfer stations. Oct 20, 2012 landfill leachate composition for united kingdom landfills was first published in the waste management papers published by the uk department of environment. Landfill leachate composition for united kingdom landfills was first published in the waste management papers published by the uk department of environment. Treatment of municipal landfill leachate by oxidants shabiimam m. Landfill leachate an overview sciencedirect topics.
Municipal solid waste msw landfill, leachate quality, emission limit values elv, reverse osmosis ro concentrate recirculation. Pollution control technology for leachate from municipal. Further to experience gained in the field of sewage treatment and the focus on high organic pollution, the biological treatment of leachate was initially implemented in many countries. Pollution control technology for leachate from municipal solid. Bhalla b, saini m, jha m 2014 assessment of municipal solid waste landfill leachate treatment efficiency by leachate pollution index. Pollution control technology for leachate from municipal solid waste. The generation of leachate is caused principally by precipitation percolating through waste deposited in a landfill. The levels of metals detected in both samples of leachate were low. Landfill leachate composition the leachate expert website. Landfill leachate, generation, composition, and some findings. Barlaz dept of civil engineering, nc state university identifies and illustrates monitoring philosophy and key parameters in managing bioreactor landfill sites. The major components of leachate include dissolved organic matter, inorganic ions such as ammonia, phosphate, and sulfate, and heavy metals. Detection of multiple contaminants occurred in the four sites located within the leachate plume, with a minimum of four and a maximum of 17 detected.
The major problem in landfill leachate treatment is the extremely high concentrations of ammonia and organic nitrogen bulc, 2006. This overview is based on published reports that represent landfills that are on the order of 40 years old and. Control and treatment of landfill leachate for sanitary waste. Leachate and groundwater samples were collected from gazipur landfill site and its adjacent area to study the possible impact of leachate percolation on groundwater quality. Further, the high oxygen demand of municipal landfill leachate can cause depletion of dissolved oxygen from the groundwater contaminated by it. A study of tritium in municipal solid waste leachate and gas. Chapter 2 provides a general overview of municipal solid waste. The burial of municipal solid waste in landfills is the most common disposal alternative in most countries. Evaluation of phytotoxicity of municipal landfill leachate before and. Management of municipal solid waste msw is one of the main. Leachate formed when rain water filters through wastes placed in a landfill.
This chapter illustrates the municipal solid waste landfills characteristics and. Introduction the large increase in solid waste generation makes its management a growing global issue. Zhao youcai pollution control technology for leachate from municipal solid waste explores the physical, chemical and biological factors that produce leachate and technological solutions for its control. Physical chemical treatment of leachate from landfill. The exact chemical composition of landfill leachate depends on waste composition, climatic conditions, and the age and degradation rate of the solid waste bulc, 2006.
Focused the evaluation using a simplified set of characteristic parameters. The physicochemical composition of raw leachate suggested a stabilized landfill, with alkaline ph i. Chemical composition of leachate from municipal solid waste elfadel et al. Study on treatment of municipal solid waste landfill. Leachate characterization and assessment of groundwater. Landfill leachate composition the following table 2 illustrates typical composition of landfill leachate from swedish plants. With increased use and public awareness of this method of disposal, there is much concern with respect to the pollution potential of the landfill leachate.
Development of a synthetic municipal landfill leachate. The table includes both a large landfill in the western part of sweden called trestad, operated by traab and new and old landfills. We also assess the potential risks posed to solid waste management facility workers exposed to tritiumcontaining waste materials in transfer stations and. A comprehensive book about landfill design, landfilling and environmental. Natural attenuation at plume boundaries revealed large fluctuations with time related in part to. Landfill technology covers the selection, design, operation, and final reinstatement of landfill sites. The disposal of municipal solid waste msw in landfills generates leachate, a highly polluting liquid to the aquatic environment. Concentration of various physicochemical parameters including heavy metal cd, cr, cu, fe, ni, pb and zn and microbiological parameters total coliform tc and faecal coliform fc were determined in groundwater and.
Looked for evidence of decompositional phases seen in typical landfill leachates. Seven municipal solid waste msw specimens with variable initial waste compositions were biodegraded in large d 300 mm, h 600 mm laboratory landfill simulators under leachaterecirculation. The objective of this article is to give an overview of the composition of leachate from landfills receiving municipal solid waste. Generation, control and treatment crc press book from the prefacesanitary landfills are the most widely utilized method of solid waste disposal around the world. Theaimofthisworkistodefinethecharacteristicoflandfillleachateandsummarize thepresentknowledgeinmanagementoflandfillleachate.
Jha3 1 scientist c, pushpa gujral science city, kapurthala144601, punjab, india. Selectedparameterswere analyzed and compare to the result with landfill leachate composition, domestic. Leachate pollution potential in municipal solid waste landfills is largely originated by a series of organic and inorganic compounds. The exponential generation of municipal solid waste msw over the years has. Perspectives on biological treatment of sanitary landfill. Lms is dedicated to finding the most effective and innovative solutions for landfill leachate and industrial wastewater management. This overview is based on published reports that represent landfills that are on the order of 40 years old and younger. A second objective is to evaluate the expected longterm composition of leachate once the refuse is completely degraded. These agencies have deemed landfill leachate a threat to local tributaries as well as municipal water supplies and groundwater located in proximity to these landfills. Leachate from a landfill varies widely in composition depending on the age of the landfill and the type of waste that it contains. While not shown in table 1, conventional municipal landfill leachate also contains greatly elevated concentrations of manganese and hydrogen sulfide. When this liquid comes in contact with buried wastes, it leaches, or draws out, chemicals or constituents from those wastes. Landfill leachate treatment is necessary to remove various organics and contaminants that can have an environmental impact on groundwater and surface water, and in turn have a negative impact on human health.
The authors recently conducted a study of landfills in new york and new jersey and found that the mean concentration of tritium. The quality of leachate can be controlled to a large degree. The generation of leachate is caused principally by precipitation percolating through waste deposited in a. Landfill leachate treatment calgon carbon corporation. Keywords bioreactor landfill, solid waste, waste management, leachate collection, refuse composition, municipal solid waste, msw, landfill gas, morton a. Do natural processes mitigate contamination from landfill leachate.
The composition and characteristics of landfill leachate are presented from the. After briefly dealing with the composition of municipal and industrial wastes, this book goes on examining the hydrological aspect and. Evolution of leachate composition in a calgary landfill. Landfill leachate, generation, composition, and some.
Development of a synthetic municipal landfill leachate robert stanforth, robert ham, marc anderson university of wisconsin, madison rainer stegmann university of braunschweig, germany codisposal of industrial wastes in municipal landfills is a common disposal technique. Landfill leachate composition and characteristics varied considerably during 8 months experiment cod concentrations of 48,55262,150 mgl. Then, detailed techniques to determine the organic content, in terms of refractability, composition, sources and biodegradability in. Seven municipal solid waste msw specimens with variable initial waste compositions were biodegraded in large d 300 mm, h 600 mm laboratory landfill simulators under leachate recirculation. Pdf municipal landfill leachate treatment techniques. Use features like bookmarks, note taking and highlighting while reading sanitary landfill leachate. Leachate is inherently variable due to the heterogeneity of waste composition, water infiltration rate and amount, residual refuse moisture content plus factors relating to the landfill. Do natural processes mitigate contamination from landfill. Depending on the composition and extent of decomposition of the refuse and hydrological factors, the leachate may become highly contaminated. The composition of municipal landfill leachate exhibits noticeable temporal. Landfill leachate is a complex liquid that contains excessive concentrations of. The treatability of the leachate depends on its composition and characteristics, which are influenced by the type of waste and the age of the landfill 5 6. Treatment of municipal landfill leachate by oxidants.
This article focuses on the types of waste composition coming to landfills of different ages and waste feeding amount and leachate characteristics bod5, codcr of those landfill sites. Assessment of leachate production from a municipal solid. Because the landfill was established in the 1920s and closed in 1985, many compounds detected in the leachate plume were likely disposed of decades ago. Waste management paper 26 contains the most recent table of landfill leachate composition before the wmp series was superseded by later documents, notably the does leachate report of 1995. Leachate composition become a challenge to choose the best treatment process. Ipr eduction and management of leachate from municipal landfills.
Landfill leachate is generated by excess rainwater. The authors implemented a novel sequencing batch internal. Browse the amazon editors picks for the best books of 2019, featuring our. The book introduces the integrated and pretreatment leachate treatment. Generation, control and treatment kindle edition by qasim, syed r download it once and read it on your kindle device, pc, phones or tablets. From the preface sanitary landfills are the most widely utilized method of solid waste disposal around the world. A twostage laboratoryscale anaerobic digester under mesophilic conditions and an activated sludge unit were used. The future perspectives of biological treatment are also discussed. Jha3 1 scientist c, pushpa gujral science city, kapurthala144601, punjab, india 2director, guru nanak dev engineering college, ludhiana 141006, punjab, india 3professor, department of chemical engineering, dr. Production and management of leachate from municipal. The chemical composition and content of landfill leachate can vary greatly between landfill sites.
Leachate components result from the types of waste disposed and the processes occurring within the landfill. Evaluated variations in leachate composition at a selected crosssection of waste cells at a landfill in calgary. It has become increasingly clear in the last few years that the vast majority of municipal solid waste landfills produce leachate that contains elevated levels of tritium. Department of commerce national technical information service niis. Therefore, an improvement and an enlargement of the solid waste management options are necessary. Concentration of various physicochemical parameters including heavy metal cd, cr, cu, fe, ni, pb and zn and microbiological parameters total coliform tc and faecal coliform fc were determined in. However, some wastes may release toxic ma terials when contacted with the. A highstrength leachate from shiraz municipal landfill site was treated using this system. It usually contains both dissolved and suspended material. Its composition may vary depending on the phase of biodegradation, which also is affected partially by landfill age as mentioned table 3. Applied technologies in municipal solid waste landfill leachate. There have been a number of reports on leachate composition in the past, so a majority of the work on leachate composition was to assimilate and analyze existing data. We provide top quality consulting and engineering services for our clients at each stage of a project, including site assessment, permitting, design, system fabrication and installation, operation, and maintenance. Leachate contamination potential of unlined municipal solid waste landfill sites by leachate pollution index barjinder bhalla1, m.