landfill leachate treatment Articles

7 Disadvantages of Implementing an Activated Sludge Process For Your Municipality or Company

Biological treatment processes are an important component in many wastewater treatment systems. They are one of the most efficient and effective ways of reducing organic material in wastewater. There are quite a few of them that have been researched and used over several decades. However, one of the most widely used conventional biological treatment process is the activated sludge process (ASP). ...

Jun. 13, 2019

By Genesis Water Technologies, Inc.

CBRN Water Monitors

WANTED: CBRN (Chemical, Biological, Radiological, Nuclear) Water Monitors ...

Jun. 17, 2019

By US Nuclear Corporation

Landfill Diebesstieg/Disposal Centre, Salzgitter-Diebesstieg, Germany: Landfill Leachate Ozone Treatment Plant

Since June 1994, the Salzgitter-Diebesstieg landfill has been operated by the 'Disposal Centre Salzgitter GmbH' as a municipal waste landfill for the urban area of Salzgitter. The permit for this landfill stipulated that a plant be constructed for treating the accumulating leachate. Based on the water qual- ity requirements for direct discharge into a waterway, from Appendix 51 of the ...

Feb. 14, 2008

By Degremont Technologies - a subsidiary of Suez Environnement

Advanced Oxidation Processes (AOPs) for reduction of organic pollutants in landfill leachate: a review

Uncontrolled municipal landfill leachate during landfilling can seriously pollute groundwater, surface water and soil. Over the past decades, a variety of Advanced Oxidation Processes (AOPs), primarily utilising hydroxyl radicals to effect water purification, have been frequently investigated for treatment of landfill leachate. This paper first summarises the typical characteristics of organic ...

Jul. 23, 2009

By Inderscience Publishers

KLa Slot Injector™ Aeration System Expands the Capacity of an SBR at a Landfill Leachate Treatment Facility

The Challenge A landfill had an existing single basin SBR plant to process the leachate which is notable for its high nitrogen load. The original system was installed with a fine pore diffuser aeration system and due to the chemical/biological composition of the mixed liquor it was prone to diffuser fouling and premature membrane failure Over time this was detrimental to the biological process ...

Mar. 24, 2013

By KLa Systems, Inc.

Preparation and Performance of Inorganic Coagulant for Landfill Leachate Pretreatment

Landfill leachates are often defined as hazardous and heavy polluted wastewaters. It may contain large amount of organic matter, ammonia-nitrogen, heavy metals, chlorinated organics and inorganic salts (Wang et al. 2002). Proper treatment of leachate has therefore been a challenging problem confroting the local authorities. Anaerobic digestion or/and aerobic activated sludge methods are the most ...

Nov. 6, 2005

By Springer

Influence of magnetic treatment on the improvement of landfill leachate treatment

Magnetic treatment is an alternative simple approach by which landfill leachate treatment could be improved. The purpose of landfill leachate treatment is to remove the Suspended Solids, Chemical Oxygen Demand (COD) and Biochemical Oxygen Demand (BOD). Based on experiment by using circulation flowing system with a magnetic strength of 0.55 T, it was shown that the leachate quality could be ...

Jul. 23, 2009

By Inderscience Publishers

Landfill leachate treatment and energy generation using microbial fuel cell

The objective of this study is to investigate the feasibility of the usage of microbial fuel cell (MFC) technology for landfill leachate decomposition and power generation. Landfill leachate collected from landfills located in Northwest Florida was tested in a laboratory scale MFC to provide evidence that landfill leachate can be decomposed and electrons released from leachate decomposition in ...

Dec. 3, 2012

By Inderscience Publishers

Physico-chemical characteristics of leachate from a common hazardous waste disposal facility in South India

Variations in the characteristics of leachate from the landfill of a Common Hazardous Waste Treatment Storage Disposal Facility (CHWTSDF) in South India was analysed in terms of pH, Total Dissolved Solids (TDS), Electrical Conductivity (EC), COD, calcium, magnesium, sodium, potassium, total alkalinity, chlorides, sulphates and selected heavy metals (Pb, Cd, ...

Jan. 9, 2011

By Inderscience Publishers

Municipal landfill leachate treatment by SBBGR technology

The paper reports the results of a laboratory-scale investigation aimed at evaluating the performance of a periodic biofilter with granular biomass (SBBGR) for treating leachate coming from a mature municipal landfill. The results show that the SBBGR was able to remove roughly 80% of COD in leachate. The remaining 20% of COD were, therefore, presumably owing to the presence in the leachate of ...

Jul. 23, 2009

By Inderscience Publishers

Use of dairy reject and fermented Aleo sp. Leaf Gel mixture in the biological Pre-treatment of landfill leachate

In this study the biotreatability of Jebel Chakir landfill leachate (Tunisia) using a mixture of dairy industry reject (bactofugate) and Aloe sp. leaf gel was evaluated. The effect of Aloe gel fermentation using Saccharomyces cerevisiae yeast strain was investigated against some selected bacterial and fungal strains. The inoculation size effect of the ...

Dec. 31, 2017

By IWA Publishing

Physico-chemical treatment of anaerobic landfill leachate using activated carbon and zeolite: batch and column studies

Leachate generated from one of the old landfills in Malaysia contains high concentrations of colour, COD, iron and ammoniacal. The ability of activated carbon-zeolite mixtures as an adsorbent was investigated in this research. Results of the batch experiments indicated that more than 522.2 mg/g of colour, 52.63 mg/g of iron, 232.6 mg/g of COD and 21.01 mg/g of ammoniacal nitrogen were removed by ...

Mar. 4, 2010

By Inderscience Publishers

Evaluation of a sequential aerobic?anaerobic treatment of municipal solid waste in a bioreactor landfill

A sequential aerobic-anaerobic bioreactor landfill was operated and monitored over a period of 184 days. The bioreactor was filled with 120 kg of organic fraction of Municipal Solid Waste. Leachate recirculation was applied. The results showed rapid degradation of organic matter with rapid settlement during the aerobic period. The initial COD and BOD5 were ...

Jul. 20, 2011

By Inderscience Publishers

Kinetic study of toxic pollutants decomposition by ozone in landfill leachate using a numerical adaptive method

This study describes a new method to perform the kinetic study of toxic pollutants decomposition by ozone in landfill leachate using a novel numerical adaptive method based on the classical least square method. The leachate was obtained from the Mexico City waste sanitary landfill (Bordo Poniente) and was treated by ozonation after a coagulation treatment with ...

Jul. 20, 2011

By Inderscience Publishers

Treatment of landfill leachate by effective microorganisms

Five dominant strains, capable of treating leachate effectively, were isolated. The results showed that the removal efficiency of COD by using the mixed strains was higher than the pure strain, reaching 46.8%. The optimal inoculum concentration and the treatment time were 10.0% and 120 h respectively. The removal rate of COD reached the maximum at the temperature of 35°C and pH of 7.0. The ...

Jun. 22, 2009

By Inderscience Publishers

Performance of Biological Powder Activated Carbon-Membrane Bioreactor (BPAC-MBR) for old-landfill leachate treatment

This research aims to investigate the performance of the combined BPAC-MBR system for old-landfill leachate treatment. The system was operated at two different intermittent aeration modes (aeration or non-aeration) of 120-120 min and 150-150 min. It was found that the BPAC-MBR system operating at 150-150 min could give higher removal efficiencies for all parameters; COD at 83%, colour at 85%, TKN ...

Jul. 23, 2009

By Inderscience Publishers

Simulation of landfill leachate treatment using electro-Fenton technique

The operating parameters in the electro-Fenton process were simulated using computational fluid dynamics (CFD). The effects of H2O2/Fe2+ molar ratio, current density, pH and reaction time were numerically investigated. The results were compared with the experimental data. The simulated data showed that maximum chemical oxygen demand (COD) removal was around ...

Jan. 28, 2014

By IWA Publishing

Characterisation and treatment of leachates from the municipal sanitary landfill of Thessaloniki, Greece

The optimum treatment technologies of leachates produced from a municipal landfill were studied in this work. Leachates composition ranged from high-strength acidic down to low-strength stabilised leachates, affecting the applicable treatment process. Efficient treatment of fresh leachates was achieved by biological methods, such as the SBR, or the moving bed processes, resulting in increased ...

Jul. 23, 2009

By Inderscience Publishers

Removal of ammoniacal nitrogen and COD from semi-aerobic landfill leachate using low-cost activated carbon?zeolite composite adsorbent

A carbon-zeolite composite adsorbent has been studied for COD and ammoniacal nitrogen removal in semi-aerobic landfill leachate. The optimum conditions for adsorption in the batch study occurred at pH 7, shaking speed of 200 rpm, and contact time of 105 min. The Langmuir isotherms corresponded slightly better than Freundlich isotherm for both ammoniacal nitrogen and COD removals. The Langmuir ...

Jul. 23, 2009

By Inderscience Publishers

Sequential treatment of an old-landfill leachate

This work investigates the performance of combined techniques applied to the treatment of an old-landfill leachate, which presents high salinity, low biodegradability (BOD5/COD around 0.05) and high ammonia concentration. Three sequences of processes were employed, including coagulation/flocculation, chemical oxidation, biological treatment and ammonia stripping. The association of ...

Jul. 23, 2009

By Inderscience Publishers

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