Techniques for transformation of biogas to biomethane

Ryckebosch, Eline; Drouillon, Margriet; Vervaeren, Han

doi:10.1016/j.biombioe.2011.02.033

Cited by 1,110 publications

(744 citation statements)

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“…1 The 32 primary biogas production estimated in the European Union in 2012 was 12.0 Mtoe, which 33 corresponded to the generation of 46.3 TWh of electricity. 2 In this context, the cost-effective 34 conversion of biogas to biomethane via CO2 and H2S removal is crucial to boost biogas 35 applications (e.g use as a vehicle biofuel or injection in natural gas grids).…”

Section: Introduction 30mentioning

confidence: 99%

Influence of Biogas Flow Rate on Biomass Composition During the Optimization of Biogas Upgrading in Microalgal-Bacterial Processes

Serejo

Posadas

Boncz

et al. 2015

Environ. Sci. Technol.

153

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16 2 The influence of biogas flow rate (0, 0.3, 0.6 and 1.2 m 3 m -2 h -1 ) on the elemental and 17 macromolecular composition of the algal-bacterial biomass produced from biogas upgrading in a 18 180 L photobioreactor interconnected to a 2.5 L external bubbled absorption column was 19 investigated using diluted anaerobically digested vinasse as cultivation medium. The influence of 20 the external liquid recirculation/biogas ratio (0.5 < L/G < 67) on the removal of CO2 and H2S, 21and on the concentrations of O2 and N2 in the upgraded biogas was also evaluated. A L/G ratio of 22 10 was considered optimum to support CO2 and H2S removals of 80% and 100%, respectively, at 23 all biogas flow rates tested. Biomass productivity increased at increasing biogas flow rate, with a 24 maximum of 12±1 g m -2 d -1 at 1.2 m 3 m -2 h -1 , while the C, N and P biomass content remained 25 constant at 49±2%, 9±0% and 1±0%, respectively, over the 175 days of experimentation.

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Section: Introduction 30mentioning

confidence: 99%

Influence of Biogas Flow Rate on Biomass Composition During the Optimization of Biogas Upgrading in Microalgal-Bacterial Processes

Serejo

Posadas

Boncz

et al. 2015

Environ. Sci. Technol.

153

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“…Two techniques are applied that are removal of H 2 S during digestion and removal of H 2 S after digestion [2]. For the method of removal H 2 S during digestion, there are two types that are widely practiced namely by air-oxygen dosing to the biogas and addition of iron chloride into the digester.…”

Section: Introductionmentioning

confidence: 99%

“…For the method of removal H 2 S during digestion, there are two types that are widely practiced namely by air-oxygen dosing to the biogas and addition of iron chloride into the digester. Air-oxygen dosing to the biogas system is based on the biological aerobic oxidation of H 2 S to elemental sulfur by microorganisms [2]. Sulfide oxidizing microorganisms are autotrophic and use CO 2 from the biogas to cover their carbon need.…”

Section: Introductionmentioning

confidence: 99%

“…For the method of addition of iron chloride into the digester, the iron chloride can be penetrated directly into the digester or through the influent mixing tank. It reacts with the H 2 S that present in the biogas to form particles of FeS [2].…”

Section: Introductionmentioning

confidence: 99%

“…Single pass absorption and regenerative absorption are two types of water absorption processes that commonly used for the upgrading of biogas. The disadvantage is a high consumption of water is needed, there for regeneration process should be promoted [2].…”

Section: Introductionmentioning

confidence: 99%

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Method on Conversion of Gasoline to Biogas Fueled Single Cylinder of Four Stroke Engine of Electric Generator

Nindhia¹,

Surata²,

Atmika³

et al. 2013

IJESD

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Abstract-The Gasoline fueled single cylinder generator engine are well established and available in the market with reasonable price, in the other hand the biogas fueled engine for electric generator is not well established yet in the market. The biogas energy is easy to produce therefore the price for the biogas is very much cheaper than the gasoline. The purpose of this research is to find conversion method from gasoline to biogas fuelled of the single cylinder four stroke engine of electric generator. For this purpose the biogas should be upgraded to the level of zero impurities of hydrogen sulfide H 2 S, water (H 2 O) and reducing up to zero level of CO 2 impurities. The carburetor of the gasoline engine was replaced and only component of the mixer of the fuel and air were used. The intake of the biogas fueled should be completed with valve that can be opened automatically by vacuum of the suction stroke of the engine and compression ration of the engine should be increased until reach 9:1 of compression ratio. With this conversion method, the engine of the electric generator used for this research is run well and possible to reach maximum capacity that can be achieved by using gasoline previously.

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