Stabilisation of municipal solid waste in bioreactor landfills - an overview

2013 ◽  
Vol 51 (1/2) ◽  
pp. 57 ◽  
Author(s):  
Sapna Sethi ◽  
N.C. Kothiyal ◽  
Arvind K. Nema
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Bioreactor Landfills

Effect of Aeration on Fresh and Aged Municipal Solid Waste in a Simulated Landfill Bioreactor

2004 ◽  
Vol 39 (3) ◽  
pp. 223-229 ◽  
Author(s):  
Mostafa A. Warith ◽  
Graham J. Takata
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Ammonia Concentration ◽  
Air Injection ◽  
Bioreactor Landfills ◽  
Time To Stabilization ◽  
High Ammonia ◽  
Simulated Landfill ◽  
Term Monitoring

Abstract Municipal solid waste (MSW) is slow to stabilize under conventional anaerobic landfill conditions, demanding long-term monitoring and pollution control. Provision of aerobic conditions offers several advantages including accelerated leachate stabilization, increased landfill airspace recovery and a reduction in greenhouse gas emissions. Air injection was applied over 130 days to bench-scale bioreactors containing fresh and aged MSW representative of newly constructed and pre-existing landfill conditions. In the fresh MSW simulation bioreactors, aeration reduced the average time to stabilization of leachate pH by 46 days, TSS by 42 days, TDS by 84 days, BOD5 by 46 days and COD by 32 days. In addition, final leachate concentrations were consistently lower in aerated test cells. There was no indication of a gradual decrease in the concentration of ammonia, and it is likely this high ammonia concentration would continue to be problematic in bioreactor landfill applications. This study focussed only on biodegradability of organics in the solid waste. The concentrations of the nonreactive or conservative substances such as chloride and/or heavy metals remain in the bioreactor landfills due to the continuous recirculation of leachate. The results of this study demonstrate the potential for air injection to accelerate stabilization of municipal solid waste, with greatest influence on fresh waste with a high biodegradable organic fraction.

Achieving “Final Storage Quality” of municipal solid waste in pilot scale bioreactor landfills

2009 ◽  
Vol 29 (1) ◽  
pp. 78-85 ◽  
Author(s):  
R. Valencia ◽  
W. van der Zon ◽  
H. Woelders ◽  
H.J. Lubberding ◽  
H.J. Gijzen
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Pilot Scale ◽  
Bioreactor Landfills ◽  
Storage Quality

scholarly journals Effect of aeration on fresh and aged municipal solid waste

2021 ◽  
Author(s):  
Graham Jon Takata
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Pollution Control ◽  
Bioreactor Landfills ◽  
Anaerobic Conditions ◽  
Waste Stabilization ◽  
Time To Stabilization ◽  
Aerobic Bioreactors ◽  
Term Monitoring

Under the anaerobic conditions of conventional sanitary landfill, entombed municipal solid waste (MSW) is slow to stabilize necessitating long-term monitoring and pollution control. Although anaerobic conditions can provide revenue through energy generation, aerobic stabilization may offer several advantages including reduced fugitive greenhouse gas emissions, accelerated landfill stabilization, and increased landfill airspace recovery. Air injection was applied to bench-scale bioreactor landfills in order to determine the potential for active aeration to accelerate municipal solid waste stabilization and settlement in both new and pre-existing landfills. Fresh and aged wastes were used to represent newly constructed and existing landfill matrices over 130 days. In the fresh MSW bioreactors, aeration reduced the time to stabilization of leachate pH by 44%, TSS by 25%, TDS by 54%, BOD5 by 38% and COD by 59%. Ammonia concentrations stabilized after 129 days of aeration, but remained problematic in the anaerobic bioreactors at the study conclusion. Final leachate concentrations were consistently lower in the aerobic bioreactors than in their anaerobic counterparts. Physical settlement also improved, resulting in a 21.5% recovery of landfill airspace in the aerobic fresh waste bioreactors. Aeration had a similar but reduced influence in the aged waste bioreactors since they were near stabilization at the study inception. The results of this study indicate that aeration significantly accelerates stabilization of MSW with greatest influence on fresh waste with a high biodegradable organic fraction.

Effect of Waste Composition and Load Application on the Biodegradation of Municipal Solid Waste in Bioreactor Landfills

2009 ◽  
Vol 13 (3) ◽  
pp. 165-173 ◽  
Author(s):  
Sherien A. Elagroudy ◽  
Mohamed H. Abdel-Razik ◽  
Mahmoud M. Abd El-Azeem ◽  
Fikry H. Ghobrial ◽  
Mostafa A. Warith
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Load Application ◽  
Bioreactor Landfills ◽  
Waste Composition

scholarly journals BIOLEACH: A New Decision Support Model for the Real-Time Management of Municipal Solid Waste Bioreactor Landfills

2020 ◽  
Vol 17 (5) ◽  
pp. 1675 ◽  
Author(s):  
Javier Rodrigo-Ilarri ◽  
María-Elena Rodrigo-Clavero ◽  
Eduardo Cassiraga
Keyword(s):  
Organic Matter ◽  
Decision Support ◽  
Municipal Solid Waste ◽  
Solid Waste ◽  
Real Time ◽  
Time Management ◽  
Biogas Production ◽  
Bioreactor Landfills ◽  
Decision Support Model ◽  
The Real

This paper introduces BIOLEACH, a new decision support model for the real-time management of municipal solid waste bioreactor landfills that allows estimating the leachate and biogas production. Leachate production is estimated using an adaptation of the water balance equation which considers every hydrological component and the water consumed by anaerobic organic matter degradation to create biogas and the leachate recirculation flows pumped from the landfill pond under a bioreactor management scheme. Landfill gas production is estimated considering the leachate formation process as a coupled effect through the production or consumption of water. BIOLEACH uses waste production and climate data at monthly scale and computes leachate production accounting for the actual conditions inside the waste mass. Biogas production is computed simultaneously, considering the available water to adjust the chemical organic matter biodegradation. BIOLEACH is a valuable bioreactor managing tool as it allows calculating the recirculation volume of leachate that ensures optimal moisture conditions inside the waste mass and therefore maximizing biogas production. As an illustrative example of a BIOLEACH application, the model has been applied to a real landfill located in Murcia Region (Spain) showing the economic and environmental benefits derived from leachate superficial recirculation.

Degradation of Municipal Solid Waste in Aerobic Bioreactor Landfills

2007 ◽  
Vol 28 (6) ◽  
pp. 609-620 ◽  
Author(s):  
S. Rendra ◽  
M.A. Warith ◽  
L. Fernandes
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Bioreactor Landfills

scholarly journals Municipal Solid Waste Management Using Bioreactor Landfill in the Treatment of Organic Waste from Jatibarang Landfill, Semarang-Indonesia

2019 ◽  
Vol 125 ◽  
pp. 07002 ◽  
Author(s):  
Wiharyanto Oktiawan ◽  
Irawan Wisnu Wardhana ◽  
Endro Sutrisno ◽  
Domuanri Gorat ◽  
Alfian Rizky Rizaldianto
Keyword(s):  
Municipal Solid Waste ◽  
Solid Waste ◽  
Organic Waste ◽  
Solid Waste Management ◽  
Ph Value ◽  
Municipal Solid Waste Management ◽  
Bioreactor Landfill ◽  
Bioreactor Landfills ◽  
Anaerobic Bioreactors ◽  
Aerobic Bioreactors

Landfilling is one of the easiest methods to be applied in the management of municipal solid waste (MSW). In its development, bioreactor landfill methods that have various advantages over conventional landfill emerge. This experiment aims to study the use of bioreactor landfills for the management of organic waste in Jatibarang Landfill, Semarang-Indonesia. There are 4 bioreactor landfills operated: 2 anaerobic bioreactors with leachate recirculation and addition of water, and 2 aerobic bioreactors. Different results are shown from these two types of bioreactor, where aerobic bioreactors reach peak temperatures (55oC each) faster even though anaerobic bioreactors reach higher temperatures (60oC and 61oC respectively). Anaerobic bioreactors reach a higher final pH value than aerobes while the accumulation of nitrogen content from an aerobic bioreactor is 2 times higher than anaerobes.

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