Study on co-feed and co-production system based on coal and natural gas for producing DME and electricity

Zhou, Li; Hu, Shanying; Li, Yourun; Zhou, Quan

doi:10.1016/j.cej.2007.03.025

Cited by 62 publications

(30 citation statements)

References 8 publications

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“…Biomass is highly beneficial, because it is a renewable energy source that can absorb atmospheric CO 2 during photosynthesis . Examples of hybrid systems are coal and natural gas to liquids, biomass and natural gas to liquids (BGTL), and coal, biomass, and natural gas to liquids (CBGTL) …”

Section: Introductionmentioning

confidence: 99%

Novel Natural Gas to Liquids Processes: Process Synthesis and Global Optimization Strategies

2013

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An optimization‐based process synthesis framework is proposed for the conversion of natural gas to liquid transportation fuels. Natural gas conversion technologies including steam reforming, autothermal reforming, partial oxidation to methanol, and oxidative coupling to olefins are compared to determine the most economic processing pathway. Hydrocarbons are produced from Fischer–Tropsch (FT) conversion of syngas, ZSM‐5 catalytic conversion of methanol, or direct natural gas conversion. Multiple FT units with different temperatures, catalyst types, and hydrocarbon effluent compositions are investigated. Gasoline, diesel, and kerosene are generated through upgrading units involving carbon‐number fractionation or ZSM‐5 catalytic conversion. A powerful deterministic global optimization method is introduced to solve the mixed‐integer nonlinear optimization model that includes simultaneous heat, power, and water integration. Twenty‐four case studies are analyzed to determine the effect of refinery capacity, liquid fuel composition, and natural gas conversion technology on the overall system cost, the process material/energy balances, and the life cycle greenhouse gas emissions. © 2013 American Institute of Chemical Engineers AIChE J, 59: 505–531, 2013

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Section: Introductionmentioning

confidence: 99%

Novel Natural Gas to Liquids Processes: Process Synthesis and Global Optimization Strategies

2013

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“…In order to achieve an overall evaluation result, the results of various indicators (Zhou et al 2008) need to be combined together. As the units and magnitude of selected indicators are different, they need to be normalized first.…”

Section: Optimization Model Of the Coal‐chemical Eco‐industrial Systemmentioning

confidence: 99%

Modeling and Optimization of a Coal‐Chemical Eco‐industrial System in China

Zhou

Hu²,

et al. 2012

J of Industrial Ecology

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Summary China is coal dependent, and this situation will persist for a long time. Because more and more attention has been paid to energy security, the coal‐chemical industry has become a hot topic and has developed quickly. To improve efficiency and reduce emissions, industrial symbiosis (IS) can be introduced when establishing a coal‐chemical eco‐industrial system to achieve harmonious development between nature, industry, and society. In order to learn the influence of IS on the current industrial system, a model of coal‐chemical eco‐industrial systems was built. Using scenario optimization and linear programming, the behaviors and optimal industrial structures of the system under different scenario settings were compared, and industrial ecological analysis was performed. By comparative analysis, results showed that the greatest proportional decrease in the use of coal for coking was 15% compared with actual data for 2005. The resource‐productivity and eco‐productivity were 828 yuan/ton and 2.51, which are much higher than the values of 548 yuan/ton and 1.23 in 2005. The symbiosis index and the link density were found to be 0.675 and 1.67, compared with 0.588 and 0.94 in 2005. Research results showed that the coal‐chemical eco‐industrial system achieved a high value‐added utilization of coal and an updated product profile. Such systems will constitute the main direction and the inevitable trend of China's coal utilization in the future, which will reduce the harm to the environment from increased coal use and benefit the energy industry, the economy, and society.

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“…For gasification-based processes where at least one of the target products was liquid fuels, there are three conceptual configurations to convert natural gas and biomass (or coal) to syngas: parallel, sequential, and co-feed. In all scenarios there is remarkable improvement on carbon conversion and liquid fuel yield compared to conventional gasification processes [22][23][24][25][26].…”

Section: Introductionmentioning

confidence: 95%

High temperature thermochemical processing of biomass and methane for high conversion and selectivity to H2-enriched syngas

2015

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Study on co-feed and co-production system based on coal and natural gas for producing DME and electricity

Cited by 62 publications

References 8 publications

Novel Natural Gas to Liquids Processes: Process Synthesis and Global Optimization Strategies

Novel Natural Gas to Liquids Processes: Process Synthesis and Global Optimization Strategies

Modeling and Optimization of a Coal‐Chemical Eco‐industrial System in China

High temperature thermochemical processing of biomass and methane for high conversion and selectivity to H2-enriched syngas

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