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Modeling and simulation of landfill gas production from pretreated MSW landfill simulator

Rasool Bux MAHAR,Abdul Razaque SAHITO,Dongbei YUE,Kamranullah KHAN

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 1,   Pages 159-167 doi: 10.1007/s11783-014-0685-6

Abstract: The cumulative landfill gas (LFG) production and its rate were simulated for pretreated municipal solid, single component combined growth and decay model and Gaussian function.Considering the behavior of the pretreated MSW landfill, a new multi component model was based on biochemicalThe model was developed on the basis of single component combined growth and decay model using an anaerobicThe results show that the multi components LFG production model is more suitable in comparison to the

Keywords： combine growth and decay model     pretreated municipal solid waste (MSW)     multi component landfill gas (LFG) model    

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Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 3,   Pages 313-319 doi: 10.1007/s11783-009-0025-4

Abstract: This investigation was carried out to establish a new domestic landfill gas (LFG) generation rate modelThe first-order kinetics and two-stage reaction (FKTSR) model of the LFG generation rate includes mechanismsThe model calibration was then calculated by using the experimental data.The main parameters of the modified FKTSR model, including the LFG production potential (), the reactionThe new model is better able to explain the mechanisms involved in LFG generation.

Keywords： landfill gas (LFG)     generation rate model     first-order kinetics     two-stage reaction     outflow function    

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Bioenergy recovery from landfill gas: A case study in China

Wei WANG, Yuxiang LUO, Zhou DENG

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 20-31 doi: 10.1007/s11783-009-0012-9

Abstract: Landfill gas (LFG) utilization which means a synergy between environmental protection and bioenergy recoveryPressure swing adsorption technology was used in LFG purification, and laboratory experiment, pilot-scaleThe product gas was of high quality compared with the National Standard of Compressed Natural Gas asVehicle Fuel (GB18047-2000), when the air concentration in feed gas was under 10.96%.alternative fuel in passenger car, truck, and bulldozer – were tested, showing the feasibility technology for LFG

Keywords： landfill gas (LFG)     compressed purified landfill gas (CPLG)     pressure swing adsorption (PSA)     alternative    

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Study on Landfill Biogas Generation Model

Huang Wenxiong,Peng Xuya,Yan Li

Strategic Study of CAE 2006, Volume 8, Issue 9,   Pages 74-79

Abstract:

Recovery and utilization of landfill biogas can not only reduce greenhouse effect but recover energyThis article presents the principle and process of landfill biogas generation, and classifies reported

Keywords： landfill gas     model     generation rate     gas production     methane    

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Treatment of landfill waste, leachate and landfill gas: A review

Hecham OMAR, Sohrab ROHANI

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 1,   Pages 15-32 doi: 10.1007/s11705-015-1501-y

Abstract: This review aims at the treatment of the entire landfill, including the waste mass and the harmful emissions: leachate and landfill gas.Different landfill treatments (aerobic, anaerobic and semi-aerobic bioreactor landfills, dry-tomb landfillsgas treatments (flaring, adsorption, absorption, permeation and cryogenic treatments) are reviewed.Another area to explore is the treatment of landfill gas, a very large field to which not much effort

Keywords： landfill     aerobic     anaerobic     leachate     landfill gases     municipal solid waste    

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Indicating landfill stabilization state by using leachate property from Laogang Refuse Landfill

LOU Ziyang,CHAI Xiaoli,ZHAO Youcai,SONG Yu,ZHU Nanwen,JIA Jinping

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 3,   Pages 405-410 doi: 10.1007/s11783-013-0565-5

Abstract: Variation and evolution process of leachate can be applied as a reference for landfill stabilizationIn this work, leachates with different ages were collected from Laogang Refuse Landfill, and characterizedSimultaneously, principal component analysis (PCA) was applied to develop a synthetic parameter-F basedon these 14 parameters, and a logarithm equation was simulated for the landfill stabilization processof leachate from a working landfill.

Keywords： landfill stabilization     leachate evolution     principal component analysis    

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Molecular level simulations on multi-component systems —a morphology prediction method

C. SCHMIDT, J. ULRICH

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 49-54 doi: 10.1007/s11705-013-1307-8

Abstract: morphology prediction because the investigation on the face growth rates in a complex growth environment (as multi-component

Keywords： crystallization     morphology     molecular dynamics     solution    

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Interaction and independence on methane oxidation of landfill cover soil among three impact factors:

Pinjing HE, Na YANG, Wenjuan FANG, Fan Lü, Liming SHAO

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 175-185 doi: 10.1007/s11783-011-0320-8

Abstract: soil water content, oxygen concentration, and ammonium addition, on methane oxidation, the soils from landfill

Keywords： quantitative polymerase chain reaction (PCR)     denaturing gradient gel electrophoresis (DGGE)     principal component    

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Development of a multi-component drug from turmeric using central composite design

Xiaohang ZHANG,Shengnan HAN,Yan LI,Jianlan JIANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 3,   Pages 362-368 doi: 10.1007/s11705-014-1439-5

Abstract: A methodology to develop multi-component drugs based on traditional Chinese medicines has been developedSeveral active components from the traditional Chinese medicine turmeric were chosen for use in a multi-componentdetermine the quantitative composition-activity relationships in order to optimize the amount of each componentof the optimum combination was 92.85% in the MTT assay and superior to the activities of each single componentthat response surface methodology based on a central composite design is suitable for the design of multi-component

Keywords： multi-component drug development     central composite design     turmeric     curcuminoids    

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A multi-scale model for CO

G. X. WANG, X. R. WEI, V. RUDOLPH, C. T. WEI, Y. QIN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 1,   Pages 20-25 doi: 10.1007/s11705-009-0138-0

Abstract: This paper presents a multi-scale model to simulate the multicomponent gas diffusion and flow in bulkThe model is developed based on a bi-dispersed structure model by assuming that coal consists of microporousIn the model, the counter diffusion process is numerically coupled with the flow of the mixture gasesmacro-pores or fractures in coal so as to account for the interaction between diffusion and flow in gasThe results reveal that the gas diffusivities, in particular the micro-pore diffusivities are strongly

Keywords： multi-scale model     gas transport     coal     coalbed methane     CO2 sequestration    

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Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Frontiers in Energy 2023, Volume 17, Issue 2,   Pages 251-265 doi: 10.1007/s11708-022-0857-1

Abstract: Advances in natural gas-fired technologies have deepened the coupling between electricity and gas networksThis paper proposes a day-ahead active-reactive power scheduling model for the IEGN with multi-microgridscoupling relationship between the subsystems of the IEGN, the potentialities of the IEGN with MMGs toward multi-energyImportant component models are elaborated in the PDN, GDN, and coupled MMGs.(SOC) relaxation technology is utilized to transform the proposed active-reactive power scheduling model

Keywords： combined cooling     heating     and power (CCHP)     integrated energy systems (IES)     natural gas     power distributionsystem     gas distribution system    

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Multi-objective optimization of cutting parameters in high-speed milling based on grey relational analysiscoupled with principal component analysis

Tao FU, Jibin ZHAO, Weijun LIU

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 4,   Pages 445-452 doi: 10.1007/s11465-012-0338-z

Abstract: Moreover, the principal component analysis is applied to evaluate the weights so that their relativeThe results of experiments show that grey relational analysis coupled with principal component analysis

Keywords： high-speed milling     grey relational analysis     principal component analysis     parameters optimization    

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Characterization of humic substances in bio-treated municipal solid waste landfill leachate

Guangxia QI, Dongbei YUE, Yongfeng NIE

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 711-716 doi: 10.1007/s11783-012-0421-z

Abstract: Considerable organic matter remains in municipal solid waste landfill leachate after biological treatmentsHumic substances (HSs) dominate the organic matter in bio-treated landfill leachate.In this study, the HSs from landfill leachate treated by membrane bioreactor (MBR-HSs) were analyzed

Keywords： bio-treated landfill leachate     humic substances     elemental analysis     spectroscopic characteristics    

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A decision-making method about the design quality of component-based active load section entity model

Yuan Hui,Wang Fengshan,Xu Jiheng,Fu Chengqun

Strategic Study of CAE 2013, Volume 15, Issue 5,   Pages 106-112

Abstract: space object, and effectively support various topology operation and military damage applications, a component-basedAccording to the design variety and validity confirmation in component-based protective engineering entitywas established for the component-based entity model design projects, which further gained the sequenceCase showed that model effectively solved the decision-making problem about entity model design operations, which provided one theory and method for scientific decision-making practice in entity model design

Keywords： protective engineering     component     design quality     entity model     intuitionistic fuzzy sets     superiority    

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Modular architecture model of CSCD system

Hongxue XU, Hong ZHENG, Xiuying GUO

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 470-475 doi: 10.1007/s11465-010-0119-5

Abstract: A modular architecture model of a computer-supported collaborative design (CSCD) system is proposed onthe hierarchical structure characteristics of a distributed collaborative design system and advanced componentThe model mainly regards the module as the core organizing and managing design objects and uses the commonThe browser/server computing model deals with the remote heterogeneous collaborative design problem.The modular CSCD system (MCSCDS) model and its implementation are achieved in the modular CSCD, a prototype

Keywords： computer-supported cooperative work (CSCW)     computer-supported collaborative design (CSCD)     distributed system     componentobject technology     modular architecture model    

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Title Author Date Type Operation

Modeling and simulation of landfill gas production from pretreated MSW landfill simulator

Rasool Bux MAHAR,Abdul Razaque SAHITO,Dongbei YUE,Kamranullah KHAN

Journal Article

Modified landfill gas generation rate model of first-order kinetics and two-stage reaction

Jiajun CHEN , Hao WANG , Na ZHANG ,

Journal Article

Bioenergy recovery from landfill gas: A case study in China

Wei WANG, Yuxiang LUO, Zhou DENG

Journal Article

Study on Landfill Biogas Generation Model

Huang Wenxiong,Peng Xuya,Yan Li

Journal Article

Treatment of landfill waste, leachate and landfill gas: A review

Hecham OMAR, Sohrab ROHANI

Journal Article

Indicating landfill stabilization state by using leachate property from Laogang Refuse Landfill

LOU Ziyang,CHAI Xiaoli,ZHAO Youcai,SONG Yu,ZHU Nanwen,JIA Jinping

Journal Article

Molecular level simulations on multi-component systems —a morphology prediction method

C. SCHMIDT, J. ULRICH

Journal Article

Interaction and independence on methane oxidation of landfill cover soil among three impact factors:

Pinjing HE, Na YANG, Wenjuan FANG, Fan Lü, Liming SHAO

Journal Article

Development of a multi-component drug from turmeric using central composite design

Xiaohang ZHANG,Shengnan HAN,Yan LI,Jianlan JIANG

Journal Article

A multi-scale model for CO

G. X. WANG, X. R. WEI, V. RUDOLPH, C. T. WEI, Y. QIN

Journal Article

Active-reactive power scheduling of integrated electricity-gas network with multi-microgrids

Journal Article

Multi-objective optimization of cutting parameters in high-speed milling based on grey relational analysiscoupled with principal component analysis

Tao FU, Jibin ZHAO, Weijun LIU

Journal Article

Characterization of humic substances in bio-treated municipal solid waste landfill leachate

Guangxia QI, Dongbei YUE, Yongfeng NIE

Journal Article

A decision-making method about the design quality of component-based active load section entity model

Yuan Hui,Wang Fengshan,Xu Jiheng,Fu Chengqun

Journal Article

Modular architecture model of CSCD system

Hongxue XU, Hong ZHENG, Xiuying GUO

Journal Article