Development of the IGT RENUGAS process

Lau, Francis; Carty, R.H.

doi:10.2514/6.1994-4008

Cited by 10 publications

(7 citation statements)

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“…The producer gas from biomass gasification varies considerably in composition and contains normally between 15%-60% and 20%-25% of hydrogen and carbon monoxide, respectively, when oxygen or steam blown gasification technologies are used [8]. This implies that the amount of hydrogen is not enough even for the general methanation process in Equation (1), which requires a H2:CO ratio of at least 3:1.…”

Section: Introductionmentioning

confidence: 98%

A Medium-Scale 50 MWfuel Biomass Gasification Based Bio-SNG Plant: A Developed Gas Cleaning Process

et al. 2015

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Natural gas is becoming increasingly important as a primary energy source. A suitable replacement for fossil natural gas is bio-SNG, produced by biomass gasification, followed by methanation. A major challenge is efficient gas cleaning processes for removal of sulfur compounds and other impurities. The present study focuses on development of a gas cleaning step for a product gas produced in a 50 MWfuel gasification system. The developed gas cleaning washing process is basically a modification of the Rectisol process. Several different process configurations were evaluated using Aspen plus, including PC-SAFT for the thermodynamic modeling. The developed configuration takes advantage of only one methanol wash column, compared to two columns in a conventional Rectisol process. Results from modeling show the ability of the proposed configuration to remove impurities to a sufficiently low concentrations -almost zero concentration for H2S, CS2, HCl, NH3 and HCN, and approximately 0.01 mg/Nm 3 for COS. These levels are acceptable for further upgrading of the gas in a methanation process. Simultaneously, up to 92% of the original CO2 is preserved in the final cleaned syngas stream. No process integration or economic consideration was performed within the scope of the present study, but will be investigated in future projects to improve the overall process.

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Section: Introductionmentioning

confidence: 98%

A Medium-Scale 50 MWfuel Biomass Gasification Based Bio-SNG Plant: A Developed Gas Cleaning Process

et al. 2015

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“…When oxygen is used as the gasifying agent a syngas low in N 2 content and high in calorific value (10-18 MJ Nm -3 ) suitable for other processes, such as hydrogen production, fuel cell feed, chemical and fuel synthesis, is produced [15]. A typical product gas composition from pressurised fluidised bed gasification using oxygen/steam as gasifying agent with an obtained caloric value of 13.8 MJ Nm -3 (dry) is exemplified in Table 2 [16]. The raw gas contains impurities in form of particulates, tar, and inorganic impurities, such as H 2 S, CS 2 , COS, AsH 3 , PH 3 , HCl, NH 3 , HCN, and alkali salts, which have to be removed before utilising the gas depending on the application of interest.…”

Section: Basics Of Biomass and Waste Gasificationmentioning

confidence: 99%

Upgrading of Raw Gas from Biomass and Waste Gasification: Challenges and Opportunities

et al. 2011

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The depletion of fossil fuel-based resources and concerns for increasing emissions of CO 2 call for new ways of producing environmentally-friendly substitutes for motor fuels and chemicals. Thermo-chemical conversion of biomass and waste using gasification is a strong candidate to meet these challenges. For efficient and cost-effective application of this technique, novel solutions for hot gas cleaning are needed. This review highlights some important areas for improvement of upgrading technologies for pressurised fluidised bed gasification systems using biomass as a fuel.

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“…The RENUGAS process is a pressurized, air-blown fluidized bed gasifier. The development and operation of IGTs 10 ton per day process development unit (PDU) has been described by Want et al, 1993 andLau et al, 1993. The testing program at IGT utilized bagasse and alfalfa feed and was conducted in support of the DOE/NREL Biomass Power Program, and specifically the Biomass Gasification Facility Demonstration in Paia, Hawaii.…”

Section: Swpc Filter Test Experiencementioning

confidence: 99%

Hot Gas Filters for Coal and Biomass Power Systems

Newby

Lippert

Alvin

et al. 1999

Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations

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Several advanced, coal- and biomass-based combustion turbine power generation technologies are currently under development and demonstration. A key technology component in these power generation systems is the hot gas filter. These power generation technologies must utilize highly reliable and efficient hot gas filter systems to protect the turbine and to meet environmental constraints if their full thermal efficiency and cost potential is to be realized. Siemens Westinghouse Power Corporation (SWPC) has developed a hot gas filter system to near-commercial status for large-scale power generation applications. This paper reviews recent progress made by SWPC in hot gas filter test development programs and in major demonstration programs. Two advanced hot gas filter concepts, the “Inverted Candle” and the “Sheet Filter”, having the potential for superior reliability are also described.

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Development of the IGT RENUGAS process

Cited by 10 publications

References 0 publications

A Medium-Scale 50 MWfuel Biomass Gasification Based Bio-SNG Plant: A Developed Gas Cleaning Process

A Medium-Scale 50 MWfuel Biomass Gasification Based Bio-SNG Plant: A Developed Gas Cleaning Process

Upgrading of Raw Gas from Biomass and Waste Gasification: Challenges and Opportunities

Hot Gas Filters for Coal and Biomass Power Systems

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