Production of biomethane, bio-syngas and light bio-olefins from agro-forestry biomass through biological and thermochemical routes

通过生物和热化学途径从农林生物质生产生物甲烷、生物合成气和轻质生物烯烃

• 批准号: 576655-2022
• 负责人: Dalai, AjayAK
• 金额: $ 24.44万
• 依托单位: University of Saskatchewan
• 依托单位国家: 加拿大
• 项目类别: Alliance Grants
• 财政年份: 2022
• 资助国家: 加拿大
• 起止时间: 2022-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=746722
• 关键词: Production; biomethane; bio; syngas; light

Currently, in North America, the demand for natural gas (methane) is expected to rise due to huge consumption in heating buildings, refrigeration, and cooling equipment and as a fuel in combined heat and power systems. However, there is a significant need for an alternate source of natural gas as fossil resources are depleting and are concerned with environmental pollution. Therefore, biomethane is regarded as a feasible alternative to natural gas due to its renewability. In this work, bio-methane and bio-syngas will be produced via thermochemical (gasification) and biological (anaerobic digestion) routes using agro-forestry biomass and food wastes. Thermochemical processes such as gasification use heat and chemical energy to decompose biomass into syngas, tar, and ash. On the contrary, the biochemical routes use microorganisms or enzymes to convert biomass into biomethane. A combination of biological and thermochemical technologies could provide an innovative approach for producing a wide range of biofuel products with industrial applications. Further, the integration of gasification and FT synthesis to anaerobic digestion is an effective biorefinery concept that can provide improved management of digestate solid waste and the production of different value-added products such as biochar, bio-syngas, and liquid bio-hydrocarbons. Therefore, using syngas generated from the gasification of a wide variety of agricultural and forestry biomass as a direct fuel for combustion or as a feedstock for FT catalysis to generate green liquid and gaseous fuels can bring many environmental and economical benefits to Canada's energy and chemical industries. Thus, the current proposal will investigate both biological and thermochemical routes involving several agro-forestry residues. The two production routes will be compared in terms of their economic viability and environmental impacts through the lifecycle and techno-economic analysis. The production route involving the integrated biological and thermochemical technologies will be scaled-up with a demonstration plant by Tidewater Renewables for continuous processing. This project's findings will benefit the Canadian energy sector by producing cost-effective biofuels.

目前，在北美，由于供暖建筑物，制冷设备和冷却设备的大量消费以及联合热量和电力系统的燃料，对天然气（甲烷）的需求预计将增加。但是，由于化石资源正在耗尽，并且与环境污染有关，因此非常需要替代天然气来源。因此，由于其可更新性，生物甲烷被认为是天然气的可行替代品。在这项工作中，将使用Agro-Forestry生物量和食品浪费来生产生物 - 甲烷和生物合成的途径。热化学过程（例如气化）使用热和化学能将生物量分解为合成气，焦油和灰分。相反，生化途径使用微生物或酶将生物量转化为生物甲烷。生物学技术和热化学技术的结合可以提供一种创新的方法，用于生产具有工业应用的各种生物燃料产品。此外，将气化和FT合成与厌氧消化的整合是有效的生物填充概念，可以改善消化固体废物的管理以及生物炭，生物辅助，生物辅助和液体生物杂料 - 液体生物混合碳等不同增值产品的产生。因此，使用从多种农业和林业生物质的气化产生的合成气作为燃烧的直接燃料，或作为FT催化产生绿色液体和气态燃料的原料，可以为加拿大能源和化学工业带来许多环境和经济利益。因此，当前的建议将研究涉及多个农业污染残基的生物学和热化学途径。通过生命周期和技术经济分析，将根据其经济可行性和环境影响进行比较这两种生产途径。涉及综合生物学和热化学技术的生产路线将通过潮湿的可再生能源进行示范植物来扩展，以进行连续处理。该项目的发现将通过生产具有成本效益的生物燃料来使加拿大能源部门受益。