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    • 43. 发明授权
    • Process to produce biofuels from biomass
    • 从生物质生产生物燃料的过程
    • US09102879B2
    • 2015-08-11
    • US13331065
    • 2011-12-20
    • Joseph Broun PowellJuben Nemchand Chheda
    • Joseph Broun PowellJuben Nemchand Chheda
    • C07C1/00C10G3/00C10L1/04
    • C10G3/00C10G3/42C10G2300/1014C10G2300/202C10G2300/4081C10G2300/44C10L1/04Y02P30/20
    • Biomass is contacted with an aqueous media to form an extracted biomass. An aqueous liquor separated from the extracted biomass is treated with a purification substrate to form a treated carbohydrate stream having less than 35% of the sulfur content and less than 35% of the nitrogen content, based on the untreated aqueous liquor stream, prior to contact with an aqueous phase reforming catalyst to form oxygenated intermediates that can be further processed to form a liquid fuel. An extracted biomass solids stream is also separated from the extracted biomass which is contacted with a first digestive solvent and then a second digestive solvent to form a solubilized pulp. This solublilized pulp may be combined with the aqueous liquor stream or combined to an aqueous reforming reaction system or recycled to the aqueous media to be processed further for an effective process to produce the liquid fuel.
    • 生物质与水性介质接触以形成提取的生物质。 用提取的生物质分离的含水液体用净化底物处理,以在接触之前基于未处理的含水液体流形成具有少于35%的硫含量和小于氮含量的35%的经处理的碳水化合物流 与水相重整催化剂形成氧化中间体,其可进一步加工以形成液体燃料。 提取的生物质固体物流也与提取的生物质分离,其与第一消化溶剂接触,然后与第二消化溶剂接触以形成溶解的纸浆。 这种溶解的纸浆可以与含水液体流合并或与水性重整反应体系结合或再循环到水性介质中以进一步进行处理以产生液体燃料。
    • 50. 发明授权
    • Process for the preparation of an olefin
    • 制备烯烃的方法
    • US08884090B2
    • 2014-11-11
    • US12743276
    • 2008-11-19
    • Jeroen Van WestrenenLeslie Andrew ChewterFerry Winter
    • Jeroen Van WestrenenLeslie Andrew ChewterFerry Winter
    • C07C1/20C07C1/24C07C1/00B01J8/04B01J8/26C07C11/02
    • B01J8/0457B01J8/26C07C1/20C07C11/02C07C2529/40C07C2529/85C07C2529/89Y02P30/42
    • An olefin is prepared from an alkyl alcohol in a process which comprises the steps: a) converting the alkyl alcohol into a dialkylether over a first catalyst, to yield a hot dialkylether product stream containing alkyl alcohol, dialkylether and water; b) cooling the hot dialkylether product stream at least partly by indirect heat exchange with a cold dialkylether product stream to below the dew point of water at the prevailing conditions to obtain a gas-liquid mixture; c) separating the obtained mixture into a liquid water-containing stream and a vaporous dialkylether-rich stream; d) subjecting at least part of the vaporous dialkylether-rich stream, as the cold dialkylether product stream in step b), to heat exchange with the hot dialkylether product stream, to yield a heated dialkylether-rich feed; and e) converting the heated dialkylether-rich feed to an olefin over a second catalyst.
    • 烯烃由烷基醇制备,该方法包括以下步骤:a)通过第一催化剂将烷基醇转化为二烷基醚,得到含有烷基醇,二烷基醚和水的热二烷基醚产物流; b)至少部分地通过与冷二烷基醚产物流的间接热交换在主要条件下将热二烷基醚产物流冷却至低于水的露点以获得气液混合物; c)将得到的混合物分离成含液体的水和富含二烷基醚的富含气体的物流; d)使至少部分富含二烷基醚的蒸汽气流作为步骤b)中的冷二烷基醚产物流与热二烷基醚产物流进行热交换,得到加热的富含二烷基醚的进料; 和e)通过第二催化剂将加热的富含二烷基醚的进料转化成烯烃。