Schematic diagram of installation of a leachate collection pump in sideslope riser pipe. Jha3 scientist c, pushpa gujral science city, kapurthala144601, punjab, india1 director, guru nanak dev engineering college, ludhiana141006, punjab, india 2. Leachate from a landfill varies widely in composition depending on the age of the landfill and the type of waste that it contains. This book is composed of seven chapters that also discuss the theory and practice of landfill technology. High organic matter in the landfill leachate is generated due to the penetration of precipitation through the waste that leads to the biodegradation 5. Selectedparameterswere analyzed and compare to the result with landfill leachate composition, domestic. Treatment of per and polyfluoroalkyl substances in landfill leachate. This book chapter discussed different methods guaranteeing. This proposed new subpart, subpart xxx, applies to new landfills. 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. To highlight the impact of the leachate on the receiving environments, some sampling campaigns of leachate, groundwater and surface waters were conducted from june 20 to january 2014. Landfill leachate treatment is not an easy task, specifically because of its.
The most important emissions of a well operated landfill are leachate and landfill gas, and even a closed and recultivated landfill will cause leachate and landfill gas for a period of time. Municipal solid waste landfills water quality issues. The purpose of this paper is to study the influence of waste age on quality of leachate leaching out from sanitary that yield various pollutants that pose environmental. Assessment of groundwater contamination by leachate near a. This overview is based on published reports that represent landfills that are on the order of 40 years old and. The municipal akouedo landfill of the city of abidjan cote divoire is composed of more than 60% of household waste.
The burial of municipal solid waste in landfills is the most common disposal alternative in most countries. The metal charge, however, poses an enormous risk to groundwater because there is direct contact of the leachate with the underlying aquifer in the landfill area. This chapter illustrates the municipal solid waste landfills characteristics and discharge. The municipal landfill of qaemshahr city is an old landfill with more than twenty years old. Introduction the large increase in solid waste generation makes its management a growing global issue. Geotechnical aspects of landfill design and construction.
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. Municipal solid waste in indonesia is commonly disposed in a landfill with leachate. Leachate characterization and assessment of water pollution. The generation of leachate is caused principally by precipitation percolating through waste deposited in a landfill. Leachate varies widely in composition depending on many interacting factors such as the composition and depth of waste, availability of moisture and oxygen, landfill design, operation and age reinhart and grosh, 1998. Treatment of landfill leachate using asbr combined with. A leachate is generally characterized by a strong odor and a. Organics and heavy metals content in river receiving the effluent. Journals az books and reference advertising media kit. Motor lead flat quick disconnect level sensor submersible pump flexible pipe or hose level sensor lead vent. Therefore, an improvement and an enlargement of the solid waste management options are necessary. Options for the treatment and management of municipal. Containment and collection of leachate leakage of contaminated liquid containing soluble waste decomposition products leachate from the landfill is controlled using a lowpermeability engineered liner beneath the wastes, and by collecting and treating leachate. Landfill leachate composition the following table 2 illustrates typical composition of landfill leachate from swedish plants.
Applied technologies in municipal solid waste landfill. Leachate composition is discussed in terms of types of waste disposed and the processes occurring within landfill. Composition and characterization of municipal solid waste. Since the knowledge of leachate composition is essential to evaluate the leachate pollution potential of a landfill site, the aim of the study was to monitor leachate characteristics of both the active and closed. Disposal of municipal solid waste to landfill is the majority methode in indonesia. Leachate characterization and identification of dominant. Onsite leachate treatment is an alternative to the increasing costs associated with hauling leachate to a local wastewater treatment plant. Landfill leachate is generated by excess rainwater percolating through the waste layers in a landfill. 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. What is leachate the liquid formed when rain water filters through wastes placed in a landfill. Treatment of municipal landfill leachate by oxidants.
Assessment and impact of leachate generated by the landfill. Leachate composition is primarily a function of the. Municipal solid waste leachate is a complex and highly concentrated wastewater. After briefly dealing with the composition of municipal and industrial wastes, this book goes on examining the hydrological aspect and site selection planning of a landfill site, including the economic and environmental impact assessments. Its quality is the result of biological, chemical and physical processes in landfills combined with the specific waste composition and the landfill water regime. This indicates that hamadan landfill leachate was fresh. Municipal solid waste landfill leachate treatment by fenton. Unesco eolss sample chapters water and wastewater treatment technologies applied technologies in municipal solid waste landfill leachate treatment huuhao ngo, wenshan guo, wen xing encyclopedia of life support systemseolss 2004. Assessment of municipal solid waste landfill leachate treatment efficiency by leachate pollution index barjinder bhalla1, m. Leachate components result from the types of waste disposed and the processes occurring within the landfill. In this study, preconsumer organic fruit wastes like orange and lemon peels was collected from the nearby fruit market and stored at 5 c to resist further decomposition. The characterisation of leachate was done as per standard methods14.
Landfill leachate, chemical analyses, waste composition. Indiscriminate dumping of msw without proper solid waste management practices should be stopped or some remedial measures were required to be adopted to prevent contamination. How to select a method for landfill leachate treatment which will be in line with relevant regulations and with reasonable cost and operation complexity. Acres of open landfill leachate generated per open landfill area 447 acres of open, active landfill and 28 acres of open, closed landfill. When this liquid comes in contact with buried wastes, it leaches, or draws out, chemicals or constituents from those wastes. Leachate requires pretreatment onsite to meet standards to discharge to. Sanitary landfill leachate is a highly and complex polluted wastewater. The designs of landfill leachate treatment and landfill closure requirement is one of the major engineering challenge for environmental compliance.
It involves the elements of a water balance in which precipitation either runs off from the landfill or infiltrates. Keywords bioreactor landfill, solid waste, waste management, leachate collection, refuse composition, municipal solid waste, msw, landfill gas, morton a. In essence, the measurements indicated that leachate soil has very high pollutant levels 0. Landfill leachate was collected from 3 different urban municipal landfill sites of delhi, india i.
Leachate is a liquid which is drained or leached from landfill. Leachate and landfill gas generation cannot be avoided, but the environment can be protected against pollution by liner systems, collection and treatment. Also there is reporting that leachate from young landfill will be high in bod and cod and decline subsequently to level off after 10 years akyurek, 1995. Leachate characterization and assessment of groundwater.
Consequently, as long as there is significant rainfall, a landfill will continue to produce contaminated leachate, and this process could last for 3040 years. Control and treatment of landfill leachate for sanitary waste disposal. Therefore, the purpose of this study was to search for the effects of a landfill on the characterization of major components in leachate from a czech msw land fill. A dry tomb landfill, as implemented by the us epa, is illustrated in figure 1. 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. In addition, work was conducted to evaluate the impact of a hypothetical release of landfill leachate on surface water. The leachate characterization was carried out for two types of leachate with six number of sample. Pdf municipal landfill leachate treatment techniques. Pdf production of raw leachate from landfills regards as shortcoming for. 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. Treatment challenges of leachate for lined landfills. These results indicate the potential for longterm persistence and transport of some emerging contaminants in ground water.
Landfill, leachate, treatment, municipal solid waste, pollutants, removal. An experimental investigation of landfill leachate impact on. Study on treatment of municipal solid waste landfill. A leachate is any liquid that, in the course of passing through matter, extracts soluble or. Organics and heavy metals content in river receiving the effluent of municipal landfill leachate treatment. The general trend between leachate composition and landfill age was demonstrated that leachate toxicity decreased somewhat with time 6. Control and treatment of landfill leachate for sanitary waste. Field observations of clogging in a landfill leachate. The impact of landfill are gas and leachate generation which happen dynamically both quantity and quality. According to recent federal regulations us epa, 1991, the minimal municipal solid waste msw landfill requirements include a composite liner of compacted soil and plastic membrane, a leachate collection and removal system lcrs designed in concept to remove leachate generated in the landfill, and a lowpermeability cover to be placed on the. 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.
Study on treatment of municipal solid waste landfill leachate. Leachate production deals with the creation of contaminated liquid at the base of a landfill. 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. These treatment facilities are designed to fulfill the specific needs of individual landfill sites and allow discharge to a sanitary sewer or water body without any hauling or disposal costs. It lacks a leachate collecting and treatment device. The clear stone drainage blanket was constructed from uniform, coarse gravel with a nominal 50 mm particle size obtained by crushing dolomitic limestone. Landfills, incineration plants, and transfer stations. Okhla, bhalswa and ghazipur landfill site, and was stored at 4 c in dark.
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. Appropriate design and operation of sanitary landfills. The table includes both a large landfill in the western part of sweden called trestad, operated by traab and new and old landfills. Landfill leachate composition the leachate expert website. Landfill leachate is generated by excess rainwater. In a landfill that receives a mixture of municipal, commercial, and mixed. With increasing leachate effluent quality standards the efforts for leachate treatment also increase. Pattern of characteristics of leachate generation from. Precipitation and leachate generation rate at a municipal solid waste landfill in active condition precip itation date l each tg nr o r adapted from. Theaimofthisworkistodefinethecharacteristicoflandfillleachateandsummarize thepresentknowledgeinmanagementoflandfillleachate. Treatment of municipal landfill leachate with organically.
Assessing the variability in leachate composition and leachate migration from old landfills needs. In the physical treatment technologies used for landfill leachate treatment, air. Influence of waste age on landfill leachate quality. Treatment of urban municipal landfill leachate utilizing. The characteristics of leachate vary over time as the waste degrades. Jha3 1 scientist c, pushpa gujral science city, kapurthala144601, punjab, india.
Assessment and impact of leachate generated by the. Leachate is captured by a leachate collection system required for modern landfills. The average municipal solid waste leachate composition and its variation along with time are shown in table 3 and 4. In this eia, the epa presents a profile of the municipal solid waste industry in the united states and an analysis of the costs and emissions reductions associated with. The concentrations of trace elements obtained in the leachate from the akouedo landfill might be due to the composition of the waste, the basic character and the age of the landfill. Toxicity assessment of municipal solid waste landfill. Leachate from a landfill varies widely in composition depending on the age of the landfill and. Municipal solid waste msw landfill, leachate quality, emission limit values elv, reverse osmosis ro concentrate recirculation. In 1993 the ministry of environment released the first edition of the landfill criteria for municipal solid waste criteria. The study in hamadan landfill showed that cod and bod of the leachate were 75000 and 2500 mgl, respectively. Pollution control technology for leachate from municipal solid. C,2002, present and longterm composition of msw landfill leachate.
Landfill leachate eref municipal solid waste etextbook. Msw combustor ash landfill 8 types of permitted landfills in mn 4. It usually contains both dissolved and suspended material. A combination of physical, chemical, and microbial processes in the waste transfer pollutants from the waste. Landfill leachate, generation, composition, and some findings. The book introduces the integrated and pretreatment leachate treatment. Management of municipal solid waste msw is one of the main. Municipal solid waste landfill leachate treatment by. Leachate generation is a major problem for municipal solid waste msw landfills and causes significant threat to surface water and groundwater.
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. Leachate contamination potential of unlined municipal solid waste landfill sites by leachate pollution index barjinder bhalla1, m. Final report closing the gaps in the regulation of. 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. A limited testing program has been developed and completed to measure compressibility and strength properties of msw while taking into account mechanistic and biological contributions. Landfill effluents leachate need to be treated on site to meet the standards for its discharge into the server or its direct disposal into surface water 3. This study presents the removal of the leachate components such as chemical oxygen demand cod, biochemical oxygen demand bod, total suspended solid. Applied technologies in municipal solid waste landfill leachate. A leachate is generally characterized by a strong odor and a dark color as well as retaining a large number of. The major problem in landfill leachate treatment is the extremely high concentrations of ammonia and organic nitrogen bulc, 2006. Control and treatment of landfill leachate for sanitary waste disposal, edition. Barlaz dept of civil engineering, nc state university identifies and illustrates monitoring philosophy and key parameters in managing bioreactor landfill sites. Pdf management of municipal solid waste landfill leachate.
Suitable treatment technologies depend mainly on leachate cod, bodcod ratio, and landfill age. Landfill leachate is one of the most difficult effluents with which to deal from an environmental perspective because of its concentration and complex composition, including refractory and toxic components such as heavy metals or xenobiotic organic compounds. After exposure to municipal landfill leachate for 14 years, the drainage stone was found to contain a considerable mass and volume of clog and slime materials. Solid waste is an important environmental problem in both developing and developed countries. Landfill leachate, generation, composition, and some. Leachate and groundwater samples were collected from gazipur landfillsite and its adjacent area to study the possible impact of leachate percolation on groundwater quality.
Present and longterm composition of msw landfill leachate. Landfill leachate is generally known as highstrength wastewater that is highly difficult to handle and contains extracted dissolved matter and suspended matter. It relies on a liner and cap to keep the wastes dry, leachate collection and removal systems to keep the wastes from polluting groundwater, and gas collection and removal systems. The effect of landfill age on municipal leachate composition. Leachate is the liquid that passes through the landfilled waste and strips.
Landfills and water quality management landfill impacts on. This was a guidance document that outlined how landfills were to be constructed, operated and monitored to ensure that the environment would be protected. Treatment of leachate from municipal solid waste landfill. Lecture 18 leachate and gas production in landfills. The objective of this article is to give an overview of the composition of leachate from landfills receiving municipal solid waste. The main objective of this study was to explore the knowledge on various factors that affect the composition of municipal solid waste landfill leachate. Landfill leachate an overview sciencedirect topics. This paper aims to explore information from the literature for emphasizing the state.