Spatio-temporal variation of landfill gas in pilot-scale semi-aerobic and anaerobic landfills over 5 years

Wu, Xiaohui; Ye, Bo; Huang, Qifei; Wang, Qi; Ye, Lin; Zhang, Wei; Yan, Zhuoyi

doi:10.1016/j.jes.2016.09.015

Cited by 18 publications

(3 citation statements)

References 15 publications

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“…• Produce inert waste residues incapable of the negative impact on the environ- • Produce gaseous fuel in the quantity up to 1.0-1.4 m 3 /kg of waste with the calorific value up to 11 MJ/m 3 [4].…”

Section: Gas Superheated Steammentioning

confidence: 99%

Energy Efficient Technology of Solid Domestic Waste Recycling in Shaft Furnaces of Cupola Type

Matyukhin¹,

Yaroshenko²,

Matyukhin³

et al. 2017

Kms

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The technology of high-temperature pyrolysis (over 850 • Completely neutralize domestic waste of all types;∘• Reduce the waste volume in 10-20 times and the waste mass in 3-4 times;• Produce inert waste residues incapable of the negative impact on the environment, i.e. secondary resources which are environmentally safe and can be stored at the site for further use in different industries for production of commercial products, i.e. construction materials, etc.;How to cite this article: V. I. Matyukhin, Yu. G. Yaroshenko, O.

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Section: Gas Superheated Steammentioning

confidence: 99%

Energy Efficient Technology of Solid Domestic Waste Recycling in Shaft Furnaces of Cupola Type

Matyukhin¹,

Yaroshenko²,

Matyukhin³

et al. 2017

Kms

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“…A decomposição biológica do resíduo no interior do aterro sanitário gera grande quantidade de chorume, sendo este caracterizado pela alta Demanda Bioquímica de Oxigênio (DBO5), alto valor de Demanda Química de Oxigênio (DQO) e diversos compostos potencialmente tóxicos (Wu et al, 2017). Por possuir alto potencial de contaminação, a legislação vigente adota parâmetros a serem seguidos, necessitando de tratamentos eficientes para que o chorume possa ser lançado aos corpos hídricos ou para ser utilizado em condições não potáveis (Castilhos junior et al, 2010, Leite et al, 2021.…”

Section: Introductionunclassified

Pré-tratamento para redução dos parâmetros físico-químicos do lixiviado gerado em aterros sanitários

Silva

Brum

Velasquez

et al. 2021

RSD

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O objetivo deste trabalho foi avaliar o processo de filtragem em escala piloto no pré-tratamento do lixiviado de aterro sanitário através de análises físico-químicas. Foram avaliados quatro tipos de filtros; nos quais os materiais filtrantes utilizados foram areia fina, média e grossa, carvão ativado, argila, brita n°0 e brita n°1. A análise estatística foi realizada por análise de variância (ANOVA) seguida pelo teste de Tukey, quando aplicável. Os dados foram expressos como média ± desvio padrão e os valores P<0,05 foram considerados estatisticamente significativos. O pH não obteve redução ou aumento significativo das análises dos filtros quando comparado com o lixiviado bruto, a condutividade elétrica obteve redução significativas no filtro 1 (p<0,001), 2 e 4 com p<0,05 quando comparado com o lixiviado bruto. No oxigênio dissolvido ocorreram aumentos significativos no filtro 1 e 2 (p<0,001) e no filtro 4 (p<0,01). Conforme a redução dos parâmetros, pode-se observar que o filtro 1 reduziu aproximadamente 50% da condutividade elétrica e obteve aumento de 377,75% no oxigênio dissolvido, sendo esses os maiores valores de redução e aumento dos parâmetros. A vazão dos filtros foram todas diferentes, na qual o filtro 4 obteve maior vazão e o filtro 3 com a menor vazão. Conforme a análise dos resultados, o filtro considerado o mais viável em relação a vazão e com a análise dos parâmetros foi o filtro 1.

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“…Although numerous studies have focused on the semi-aerobic landfill concept (Ahmadifar et al, 2016;Cossu et al, 2016;Grossule and Lavagnolo, 2017;Hanashima et al, 1981;Hirata et al, 2012;Huang et al, 2008;Matsuto et al, 2015;Morello et al, 2017;Ritzkowski et al, 2006;Shimaoka et al, 2000;Theng et al, 2005;Wu et al, 2017;Yang et al, 2012), most of them were conducted using a lysimeter either in a laboratory or at pilot scale. Those demonstrated significant achievements of the semi-aerobic landfill concept, including (1) accelerating the biodegradation of organic matter, (2) improving leachate quality, (3) reducing methane (CH 4 ) gas emission, and (4) entailing lower construction and maintenance costs (Ishigaki et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

The Elevated Temperature and Gas Component Within an Operating Semi-Aerobic Landfill

2020

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The semi-aerobic landfill concept, which is based on passive aeration, is the compulsory standard for planning new landfill projects in Japan. The semi-aerobic landfill concept is also applied in several other countries because of its low construction and operating costs. The landfill gas (LFG) component and the LFG temperature are the main indicators of the aerobization of semi-aerobic landfills. Analysis of LFG, its concentration, and its temperature can be easily carried out on-site to evaluate the passive aeration of an operating semi-aerobic landfill. Therefore, this study observed LFG temperatures and LFG components to assess the partial aerobization within an operating semi-aerobic landfill. The observational data revealed that the methane (CH4) gas concentration of most of the main LFG venting pipes (VPs) was below 15%. The aerobic condition happened effectively surrounding the main LFGVP M2 because over the observation period, the ratio of CH4 to CO2 was less than 1.0. The highest gas temperature was above 60°C within the main LFGVP M2, and there was a trend of high temperatures above 40°C for more than 5 years before the temperature declined to 20°C in the most recent observation. The high LFG temperatures were recorded in the winter months due to the buoyancy effect. High temperature and the CH4/CO2 ratio less than 1.0 potentially representing good indicators showed that aerobic decomposition is becoming dominant. The study showed clearly that the aerobic biodegradation performance in this semi-aerobic landfill is extremely good.

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Spatio-temporal variation of landfill gas in pilot-scale semi-aerobic and anaerobic landfills over 5 years

Cited by 18 publications

References 15 publications

Energy Efficient Technology of Solid Domestic Waste Recycling in Shaft Furnaces of Cupola Type

Energy Efficient Technology of Solid Domestic Waste Recycling in Shaft Furnaces of Cupola Type

Pré-tratamento para redução dos parâmetros físico-químicos do lixiviado gerado em aterros sanitários

The Elevated Temperature and Gas Component Within an Operating Semi-Aerobic Landfill

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