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Novel low energy plasma/catalytic gas cleaning process to deliver high quality syngas from the gasification of waste biomass

新型低能等离子体/催化气体净化工艺，通过废弃生物质气化产生高质量合成气

基本信息

批准号：
EP/M013162/1
负责人：
Paul Williams
金额：
$ 116.15万
依托单位：
University of Leeds
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2015
资助国家：
英国
起止时间：
2015 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=EP%2FM013162%2F1
关键词：
Novel low energy plasma catalytic

项目摘要

The gasification of biomass wastes represents a major thermochemical route to produce a high energy value syngas from a source which is renewable and CO2-neutral. However, one of the major issues in the gasification process is contamination of the product syngas with tar. Tar is the key problem for biomass gasification and is a complex mixture of condensable hydrocarbons. The formation of tar causes major process and syngas end-use problems, including tar blockages, plugging and corrosion in downstream fuel lines, filters, engine nozzles and turbines. This proposal seeks to develop a novel gas cleaning process based on low temperature plasma/catalytic technology to produce a clean, high quality syngas from the gasification of waste biomass. Gasification of the biomass will be investigated in an existing small-pilot scale fluidised bed gasifier, modified to include a downstream plasma/catalytic syngas cleaning process. Experimental and detailed analytical work developing the coupled biomass gasification-gas cleaning process will enable a mechanistic understanding of the tar reduction process and will be extended by CFD modelling of model tar compounds. Process modelling and simulation of the combined biomass gasification-plasma/catalytic gas clean-up sytem will build a foundation for process analysis, optimal design and operation to facilitate exploitation of this innovative technology development.

生物质废物的气化代表了从可再生和CO2中性的来源生产高能量值合成气的主要热化学路线。然而，气化过程中的主要问题之一是产物合成气被焦油污染。焦油是生物质气化的关键问题，是一种复杂的可冷凝碳氢化合物混合物。焦油的形成导致主要的工艺和合成气最终使用问题，包括焦油堵塞、下游燃料管线、过滤器、发动机喷嘴和涡轮机中的堵塞和腐蚀。该提案旨在开发一种基于低温等离子体/催化技术的新型气体清洁工艺，以从废弃生物质的气化中产生清洁的高质量合成气。生物质的气化将在现有的小型中试规模的流化床气化炉，修改，包括下游等离子体/催化合成气清洁工艺进行研究。实验和详细的分析工作开发耦合生物质气化气体清洁过程将使焦油减少过程的机械理解，并将扩展模型焦油化合物的CFD建模。生物质气化-等离子体/催化气体净化组合系统的过程建模和模拟将为过程分析、优化设计和操作奠定基础，以促进这一创新技术的开发利用。