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    • 7. 发明申请
    • UTILIZATION OF LIGNIN-RICH BIOMASS
    • 木质素生物质的利用
    • US20130312472A1
    • 2013-11-28
    • US13989315
    • 2011-11-22
    • Benjamin BrehmerJens Busse
    • Benjamin BrehmerJens Busse
    • B01J20/20C05F11/00
    • B01J20/20C05F11/00C09K17/02C10B53/02C10B57/02Y02C10/08Y02E50/14Y02W30/47
    • The invention relates to a method for utilizing biomass, in which the biomass is pyrolyzed during a heat treatment process to obtain driven-out gas and remaining carbon-rich solids. It is an object of the invention to specify a method for utilizing biomass, which is based on comparatively expensive feedstocks, but in return gives products of value with unusually good properties, the proceeds of which make the process economically viable. This object is achieved firstly by using a biomass having a lignin content of 10 to 30% by weight and a water content of 5 to 25% by weight, and by virtue of a heat treatment process comprising three residence times each on a respective level of temperature, wherein the first residence time lasts between 10 and 40 minutes, particularly of 30 minutes at a temperature level between 130 and 280° C., particularly of 250° C.; the second residence time lasts between 5 and 30 minutes, particularly of 10 minutes at a temperature level between 300 and 500° C., particularly of 400° C.; the third residence time lasts between 10 and 60 minutes, particularly of 20 minutes at a temperature level between 650 and 900° C., preferred between 700 and 900° C., particularly of 750° C.
    • 本发明涉及一种利用生物质的方法,其中生物质在热处理过程中被热解以获得驱出气体和剩余的富含碳的固体。 本发明的一个目的是确定一种利用生物质的方法,该方法基于比较昂贵的原料,但作为回报,给出了具有非常好的性质的价值产物,其收益使得该方法在经济上是可行的。 该目的首先通过使用木质素含量为10〜30重量%,水含量为5〜25重量%的生物质,并且通过热处理工序,其中,每次在 温度,其中第一停留时间在130至280℃,特别是250℃的温度水平下持续10至40分钟,特别是30分钟。 第二停留时间在300至500℃,特别是400℃的温度水平下持续5至30分钟,特别是10分钟。 第三停留时间持续10至60分钟,特别是在650至900℃之间的温度水平下20分钟,优选700至900℃,特别是750℃。