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You searched for: Publication year rev 7985-2015 Remove constraint Publication year rev: 7985-2015 Subject term biogas Remove constraint Subject term: biogas
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1. A Comprehensive Evaluation of Parameters Affecting Treating High-Strength Compost Leachate in Anaerobic Baffled Reactor Followed by Electrocoagulation-Flotation Process

Author:
Sh. Elyasi; T. Amani; W. Dastyar
Source:
Water, air, and soil pollution 2015 v.226 no.4 pp. 2279
ISSN:
0049-6979
Subject:
biogas; chemical oxygen demand; composts; nitrogen; response surface methodology
Abstract:
... In this study, high-load compost leachate was successfully treated in a hybrid anaerobic baffled reactor (ABR)/electrocoagulation-flotation (ECF) system. The interaction effects of operational factors in ABR, i.e., influent chemical oxygen demand (COD), hydraulic retention time (HRT), and COD/nitrogen (N) ratio on the efficiency of COD removal and biogas production rate (BPR) were analyzed and cor ...
DOI:
10.1007/s11270-014-2279-0

2. A Feasible Way to Remove the Heat during Adsorptive Methane Storage

Author:
Gütlein Stefan; Burkard Christoph; Zeilinger Johannes; Niedermaier Matthias; Klumpp Michael; Kolb Veronika; Jess Andreas; Etzold Bastian J. M.
Source:
Environmental Science & Technology 2015 v.49 no.1 pp. 672-678
ISSN:
1520-5851
Subject:
adsorbents; adsorption; biogas; cooling; energy; finite element analysis; gasoline; heat; methane; natural gas; storage technology; tanks; temperature
Abstract:
... Methane originating from biogas or natural gas is an attractive and environmentally friendly alternative to gasoline. Adsorption is seen as promising storage technology, but the heat released limits fast filling of these systems. Here a lab scale adsorptive methane storage tank, capable to study the temperature increase during fast filling, was realized. A variation of the filling time from 1 h to ...
DOI:
10.1021/es504141t

3. A Mower-Conditioner to Improve Fiber Sorghum Plant Drying

Author:
Luigi Pari; Alberto Assirelli; Andrea Acampora; Alessandro Suardi; Enrico Santangelo
Source:
Applied engineering in agriculture 2015 v.31 no.5 pp. 733-740
ISSN:
0883-8542
Subject:
Sorghum bicolor; biogas; biomass; climatic factors; drying; energy crops; ethanol production; harvesting; summer; Italy
Abstract:
... Fiber sorghum [( L. (Moench.)] is recognized as having potential as an energy crop to allocate towards biogas or bioethanol production. However, due to the considerable amount of biomass produced, the harvesting presents some drawbacks. In Italy the cultivation of fiber sorghum is concentrated in the North where the harvesting occurs at the end of summer, on plants having, on average, 70% of moist ...
DOI:
10.13031/aea.31.11030

4. A compact on-site UASB–EGSB system for organic and suspended solid digestion and biogas recovery from department store wastewater

Author:
Chavalit Ratanatamskul; Thassana Siritiewsri
Source:
International Biodeterioration & Biodegradation 2015 v.102 pp. 24-30
ISSN:
0964-8305
Subject:
biochemical oxygen demand; biogas; chemical oxygen demand; energy conservation; methane production; sludge; upflow anaerobic sludge blanket reactor; wastewater
Abstract:
... This research aims to develop a compact on-site anaerobic treatment of department store wastewater and biogas recovery by a two-step UASB–EGSB (Upflow Anaerobic Sludge Blanket – Expanded Granular Sludge Blanket) as an energy-saving system. The wastewater came from a department store in Bangkok city having COD in the range of 450–700 mg/L and high suspended solids content in the range of 230–300 mg ...
DOI:
10.1016/j.ibiod.2015.04.002

5. A comparative study of leachate quality and biogas generation in simulated anaerobic and hybrid bioreactors

Author:
Qiyong Xu; Ying Tian; Shen Wang; Jae Hac Ko
Source:
Waste management 2015 v.41 pp. 94-100
ISSN:
0956-053X
Subject:
aeration; air; ammonium nitrogen; biogas; bioreactors; chemical oxygen demand; food waste; landfills; methane; methane production; methanogens; municipal solid waste; pH; volatile fatty acids
Abstract:
... Research has been conducted to compare leachate characterization and biogas generation in simulated anaerobic and hybrid bioreactor landfills with typical Chinese municipal solid waste (MSW). Three laboratory-scale reactors, an anaerobic (A1) and two hybrid bioreactors (C1 and C2), were constructed and operated for about 10months. The hybrid bioreactors were operated in an aerobic–anaerobic mode w ...
DOI:
10.1016/j.wasman.2015.03.023

6. A comparison of energy use, water use and carbon footprint of cassava starch production in Thailand, Vietnam and Colombia

Author:
Thierry Tran; Guillaume Da; Martín Alonso Moreno-Santander; Gustavo Adolfo Vélez-Hernández; Andrès Giraldo-Toro; Kuakoon Piyachomkwan; Klanarong Sriroth; Dominique Dufour
Source:
Resources, Conservation & Recycling 2015 v.100 pp. 31-40
ISSN:
0921-3449
Subject:
biogas; carbon footprint; cassava; cassava starch; drying; electricity; energy efficiency; environmental performance; fuel oils; greenhouse gas emissions; greenhouse gases; methane; roots; solar energy; starch; wastewater; water reuse; Colombia; Thailand; Vietnam
Abstract:
... Energy use, water use and greenhouse gas (GHG) emissions were assessed for the transformation of cassava roots into starch by two small-scale (ST1, ST2: 1–2t starch per day) and one large-scale (VLT: 100–200t starch per day) technologies. The goal of the study was to identify hotspots of energy use and GHG emissions, as well as sustainable practices, with a view to uncover opportunities to improve ...
DOI:
10.1016/j.resconrec.2015.04.007

7. A comparison of wet and dry anaerobic digestion processes for the treatment of municipal solid waste and food waste

Author:
Eleni Angelonidi; Stephen R. Smith
Source:
Water and environment journal 2015 v.29 no.4 pp. 549-557
ISSN:
1747-6585
Subject:
anaerobic digestion; biodegradability; biogas; capital; economic performance; energy balance; feedstocks; food waste; income; marketing; methane; municipal solid waste; total solids; water utilization
Abstract:
... A main distinction between anaerobic digestion (AD) technologies for treatment of municipal and industrial biodegradable wastes is the operating process solids content. Wet AD systems operate at low total solids (<10–20% TS) and dry systems have high operating solids (20–>40% TS). The performance of wet and dry AD systems was quantified in relation to: technical operation (footprint, capacity, fee ...
DOI:
10.1111/wej.12130

8. A correction in the CDM methodological tool for estimating methane emissions from solid waste disposal sites

Author:
M.M.O. Santos; A.G.P. van Elk; C. Romanel
Source:
Journal of environmental management 2015 v.164 pp. 151-160
ISSN:
0301-4797
Subject:
biogas; biomass; burning; carbon markets; climate change; developed countries; developing countries; equations; greenhouse gas emissions; greenhouse gases; guidelines; landfills; methane; models; municipal solid waste; sustainable development; Brazil; China
Abstract:
... Solid waste disposal sites (SWDS) – especially landfills – are a significant source of methane, a greenhouse gas. Although having the potential to be captured and used as a fuel, most of the methane formed in SWDS is emitted to the atmosphere, mainly in developing countries. Methane emissions have to be estimated in national inventories. To help this task the Intergovernmental Panel on Climate Cha ...
DOI:
10.1016/j.jenvman.2015.08.048

9. A dynamic model for calculating methane emissions from digestate based on co-digestion of animal manure and biogas crops in full scale German biogas plants

Author:
Ivo Muha; Bernd Linke; Gabriel Wittum
Source:
Bioresource technology 2015 v.178 pp. 350-358
ISSN:
0960-8524
Subject:
anaerobic digestion; biogas; cattle manure; crops; dynamic models; emissions; methane; storage conditions; tanks; temperature; Germany
Abstract:
... The focus of this work is the development of a model for the estimation of methane emissions for storage tanks of biogas plants. Those can be estimated depending on (i) hydraulic retention time in the digester, (ii) an arbitrary removal rate of the digestate from the storage tank and (iii) arbitrary temperature conditions in the storage tank. Furthermore, the model is capable of considering an arb ...
DOI:
10.1016/j.biortech.2014.08.060

10. A facile solvent-free synthesis route for the assembly of a highly CO₂ selective and H₂S tolerant NiSIFSIX metal–organic framework

Author:
Osama Shekhah; Youssef Belmabkhout; Karim Adil; Prashant M. Bhatt; Amy J. Cairns; Mohamed Eddaoudi
Source:
Chemical communications 2015 v.51 no.71 pp. 13595-13598
ISSN:
1364-548X
Subject:
biogas; carbon dioxide; chemical reactions; coordination polymers; hydrogen sulfide; natural gas
Abstract:
... The development of materials for CO₂ capture with high selectivity and high tolerance to H₂S is of prime importance for various industrially relevant gas streams (e.g. natural gas and biogas upgrading as well as pre-combustion capture). Here, we report the successful fabrication of a MOF with combined exceptional CO₂ capture properties and H₂S tolerance, namely the NiSIFSIX-based MOF using both so ...
DOI:
10.1039/c5cc04487a

11. A feasibility study on the bioconversion of CO2 and H2 to biomethane by gas sparging through polymeric membranes

Author:
I. Díaz; C. Pérez; N. Alfaro; F. Fdz-Polanco
Source:
Bioresource technology 2015 v.185 pp. 246-253
ISSN:
0960-8524
Subject:
biogas; bioreactors; biotransformation; carbon dioxide; mass transfer; methane
Abstract:
... In this study, the potential of a pilot hollow-fiber membrane bioreactor for the conversion of H2 and CO2 to CH4 was evaluated. The system transformed 95% of H2 and CO2 fed at a maximum loading rate of 40.2mH23/mR3d and produced 0.22m3 of CH4 per m3 of H2 fed at thermophilic conditions. H2 mass transfer to the liquid phase was identified as the limiting step for the conversion, and kLa values of 4 ...
DOI:
10.1016/j.biortech.2015.02.114

12. A fuzzy approach to a multiple criteria and Geographical Information System for decision support on suitable locations for biogas plants

Author:
Camilo Franco; Mikkel Bojesen; Jens Leth Hougaard; Kurt Nielsen
Source:
Applied energy 2015 v.140 pp. 304-315
ISSN:
0306-2619
Subject:
biogas; decision making; geographic information systems; models; politics
Abstract:
... The purpose of this paper is to model the multi-criteria decision problem of identifying the most suitable facility locations for biogas plants under an integrated decision support methodology. Here the Geographical Information System (GIS) is used for measuring the attributes of the alternatives according to a given set of criteria. Measurements are taken in interval form, expressing the natural ...
DOI:
10.1016/j.apenergy.2014.11.060

13. A high efficiency biological system for treatment of coal gasification wastewater – a key in-depth technological research

Author:
Qinhong Ji; Salma Tabassum; Guangxin Yu; Chunfeng Chu; Zhenjia Zhang
Source:
RSC advances 2015 v.5 no.50 pp. 40402-40413
ISSN:
2046-2069
Subject:
acidification; acids; ammonium nitrogen; biogas; chemical oxygen demand; coal; color; decolorization; energy; energy use and consumption; fluidized beds; gas chromatography-mass spectrometry; gasification; hydrolysis; oxidation; phenol; pollutants; sewage sludge; wastewater; wastewater treatment; China
Abstract:
... Coal is the main energy resource in China, hence pollution caused by coal gasification wastewater has been severe for decades. A three stage system was adopted to treat coal gasification wastewater; anaerobic hydrolysis acidification (333 days), aerobic oxidation (300 days), and ozonation–aerobic fluidized bed process (220 days) with the lowest HRT of 45 h. After more than a year of trials, high e ...
DOI:
10.1039/c5ra04215a

14. A model-based analysis of biomethane production in the Netherlands and the effectiveness of the subsidization policy under uncertainty

Author:
Sibel Eker; Els van Daalen
Source:
Energy Policy 2015 v.82 pp. 178-196
ISSN:
0301-4215
Subject:
biogas; biomass; dynamic models; electricity; energy; issues and policy; natural gas; prices; profitability; uncertainty; Netherlands
Abstract:
... Biomethane is a renewable alternative to natural gas. It has the potential to increase the sustainability of the energy system and to help deal with supply problems. However, several factors make the future of biomethane production complex and uncertain, such as resource availability, demand, capacity installation, profitability and the competition between the biomethane and electricity sectors fo ...
DOI:
10.1016/j.enpol.2015.03.019

15. A new concept for enhancing energy recovery from agricultural residues by coupling anaerobic digestion and pyrolysis process

Author:
F. Monlau; C. Sambusiti; N. Antoniou; A. Barakat; A. Zabaniotou
Source:
Applied energy 2015 v.148 pp. 32-38
ISSN:
0306-2619
Subject:
anaerobic digestion; biogas; drying; electricity; energy recovery; heat; oils; pyrolysis; symbiosis; synthesis gas
Abstract:
... In a full-scale anaerobic digestion plant, agricultural residues are generally converted into biogas and digestate, the latter usually produced in large amount. Generally, biogas is converted into heat, often lost, and electricity, which is completely valorized or it is sold to the public grid. In this context, the aim of this study was to investigate the feasibility to combine anaerobic digestion ...
DOI:
10.1016/j.apenergy.2015.03.024

16. A new multiple-stage electrocoagulation process on anaerobic digestion effluent to simultaneously reclaim water and clean up biogas

Author:
Zhiguo Liu; David Stromberg; Xuming Liu; Wei Liao; Yan Liu
Source:
Journal of hazardous materials 2015 v.285 pp. 483-490
ISSN:
0304-3894
Subject:
anaerobic digestion; biogas; chemical oxygen demand; hydrogen sulfide; neutralization; nitrogen content; pH; phosphorus; total solids; turbidity; water reuse
Abstract:
... A new multiple-stage treatment process was developed via integrating electrocoagulation with biogas pumping to simultaneously reclaim anaerobic digestion effluent and clean up biogas. The 1st stage of electrocoagulation treatment under the preferred reaction condition led to removal efficiencies of 30%, 81%, 37% and >99.9% for total solids, chemical oxygen demand, total nitrogen and total phosphor ...
DOI:
10.1016/j.jhazmat.2014.10.009

17. A new process concept for highly efficient conversion of sewage sludge by combined fermentation and gasification and power generation in a hybrid system consisting of a SOFC and a gas turbine

Author:
M. Speidel; G. Kraaij; A. Wörner
Source:
Energy conversion and management 2015 v.98 pp. 259-267
ISSN:
0196-8904
Subject:
biogas; biomass; combustion; drying; electricity; electrodes; fermentation; gasification; heat; methane; power generation; sewage sludge; steam
Abstract:
... Sewage sludge can be disposed of by fermentation, incineration or gasification. Conversion of the resulting biogas, combustion heat or gasification gas into electricity is often employed. Since sewage sludge cannot be fermented completely and due to the significant heat requirements for drying it in the incineration plant or before the gasifier, the electrical output in all cases is very low. Cons ...
DOI:
10.1016/j.enconman.2015.03.101

18. A novel bifunctional GH51 exo-α-L-arabinofuranosidase/endo-xylanase from Alicyclobacillus sp. A4 with significant biomass-degrading capacity

Author:
Wenxia Yang; Yingguo Bai; Peilong Yang; Huiying Luo; Huoqing Huang; Kun Meng; Pengjun Shi; Yaru Wang; Bin Yao
Source:
Biotechnology for biofuels 2015 v.8 no.1 pp. 197
ISSN:
1754-6834
Subject:
ammonia; ammonium acetate; anaerobic digestion; biogas; denaturing gradient gel electrophoresis; food waste; microbial communities; sequence analysis; volatile fatty acids
Abstract:
... BACKGROUND: Improving the hydrolytic performance of xylanolytic enzymes on arabinoxylan is of importance in the ethanol fermentation industry. Supplementation of debranching (arabinofuranosidase) and depolymerizing (xylanase) enzymes is a way to address the problem. In the present study, we identified a bifunctional α-L-arabinofuranosidase/endo-xylanase (Ac-Abf51A) of glycoside hydrolase family 51 ...
DOI:
10.1186/s13068-015-0197-z
PubMed:
25705255
PubMed Central:
PMC4336496

19. A novel configuration for an anaerobic submerged membrane bioreactor (AnSMBR). Long-term treatment of municipal wastewater under psychrophilic conditions

Author:
J. Gouveia; F. Plaza; G. Garralon; F. Fdz-Polanco; M. Peña
Source:
Bioresource technology 2015 v.198 pp. 510-519
ISSN:
0960-8524
Subject:
acclimation; biogas; bioreactors; cleaning; inoculum; methane; municipal wastewater; ultrafiltration
Abstract:
... A novel design for a pilot scale anaerobic submerged membrane bioreactor (AnSMBR) equipped with an ultrafiltration unit, treating municipal wastewater at 18±2°C, and inoculated with a mesophilic inoculum without acclimation, was implemented and evaluated over 3years of stable operation. The AnSMBR operated with a volumetric loading rate between 1.6 to 2.0kgCOD/m3UASBd, 12.8 to 14.2h hydraulic rete ...
DOI:
10.1016/j.biortech.2015.09.039

20. A novel one-stage cultivation/fermentation strategy for improved biogas production with microalgal biomass

Author:
Viktor Klassen; Olga Blifernez-Klassen; Yoep Hoekzema; Jan H. Mussgnug; Olaf Kruse
Source:
Journal of biotechnology 2015 v.215 pp. 44-51
ISSN:
0168-1656
Subject:
Chlamydomonas reinhardtii; Parachlorella kessleri; Scenedesmus obliquus; ammonia; biogas; biomass; carbon nitrogen ratio; fermentation; fermenters; methane production; microalgae; nitrogen; nitrogen fertilizers; risk; starvation
Abstract:
... The use of alga biomass for biogas generation has been studied for over fifty years but until today, several distinct features, like inefficient degradation and low C/N ratios, limit the applicability of algal biomass for biogas production in larger scale. In this work we investigated a novel, one-stage combined cultivation/fermentation strategy including inherently progressing nitrogen starvation ...
DOI:
10.1016/j.jbiotec.2015.05.008