用于由生物质生产生物油和生物气的方法

文档序号:722857 发布日期:2021-04-16 浏览:44次 >En<

阅读说明:本技术 用于由生物质生产生物油和生物气的方法 (Method for producing bio-oil and biogas from biomass ) 是由 罗伯塔·米格里奥 罗伯托·帕格里诺 克里斯蒂安·托里 艾莉莎·基万 达妮埃莱·法布里 于 2019-07-31 设计创作,主要内容包括:本发明涉及由生物质生产液体燃料和气体燃料的方法。将生物质送至预处理区段以形成能够被移动和/或泵送的均相,其中使惰性部分与生物质分离,并且将生物质切碎和/或研磨以减小其尺寸。然后对获得的均相在240℃至310℃的温度下进行亚临界水热液化以形成液化相。然后对作为液化过程的输出的所述液化相进行分离。分离之后,方法以两种可替代且互斥的模式继续。在第一种模式中,对第一水相进行多阶段厌氧反应以产生生物气;然后将来自分离的油相分离成生物油和固体残留物。在第二种模式中,然后通过不同的密度或动力学对分离的混合相进行分离以形成第一水相、生物油和气相。然后对第一水相进行多阶段厌氧反应,由此产生生物气、泥流和第二水相。(The present invention relates to a method for producing liquid and gaseous fuels from biomass. The biomass is sent to a pretreatment section to form a homogeneous phase that can be moved and/or pumped, wherein the inert fraction is separated from the biomass, and the biomass is chopped and/or ground to reduce its size. The homogeneous phase obtained is then subjected to subcritical hydrothermal liquefaction at a temperature of from 240 ℃ to 310 ℃ to form a liquefied phase. The liquefied phase is then separated as an output of the liquefaction process. After separation, the method continues in two alternative and mutually exclusive modes. In a first mode, a multi-stage anaerobic reaction is performed on the first aqueous phase to produce biogas; the oil phase from the separation is then separated into bio-oil and solid residue. In the second mode, the separated mixed phases are then separated by different densities or kinetics to form a first aqueous phase, a bio-oil, and a gas phase. The first aqueous phase is then subjected to a multi-stage anaerobic reaction, thereby producing biogas, a sludge stream, and a second aqueous phase.)

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