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Patent
Publication NumberBR 112012008639 B1Filing StatusIssued PatentAvailabilityUnknownFiling Date2010-10-13Publication Date2019-07-30
The disclosure describes a process for the conversion of lignocellulosic biomass to ethanol utilizing a dicarboxylic acid such as maleic acid as an enzyme mimic to hydrolyze the hemicellulose and cellulose of the biomass. Controlling the condition of the maleic acid hydrolysis can selectively hydrolyze the hemicellulose giving as a result a liquid portion rich in xylose and a solid portion rich in glucan. The glucan can be further hydrolyzed to produce a glucose containing material. The sugar…
Patent
Publication NumberUS 10125454Filing StatusIssued PatentAvailabilityUnknownFiling Date2009-06-26Publication Date2018-11-13
Described are methods for pretreating lignocellulosic biomass that comprise thermally conditioning the biomass by flow processing an aqueous slurry of the biomass through an outer passage(s) of one or more heat exchange devices while circulating a heat exchange fluid through an inner passage(s) of the heat exchange device(s). Also described are methods for producing fermentation products, especially ethanol, from the pretreated biomass.
Patent
Publication NumberUS 9777341Filing StatusIssued PatentAvailabilityUnknownFiling Date2009-06-26Publication Date2017-10-03
Described are methods for pretreating lignocellulosic biomass that comprise passing a hot aqueous biomass slurry through a heat exchange passage from an inlet to an outlet and locally regulating pressure in the passage by feed of a pressurized liquid medium to one or more intermediate locations of the passage. Also described are methods for producing ethanol from the pretreated biomass.
Patent
Publication NumberCA 2776717 CFiling StatusIssued PatentAvailabilityUnknownFiling Date2010-10-13Publication Date2017-02-28
The disclosure describes a process for the conversion of lignocellulosic biomass to ethanol utilizing a dicarboxylic acid such as maleic acid as an enzyme mimic to hydrolyze the hemicellulose and cellulose of the biomass. Controlling the condition of the maleic acid hydrolysis can selectively hydrolyze the hemicellulose giving as a result a liquid portion rich in xylose and a solid portion rich in glucan. The glucan can be further hydrolyzed to produce a glucose containing material. The sugar…
Patent
Publication NumberCN 102741418 BFiling StatusIssued PatentAvailabilityUnknownFiling Date2010-10-13Publication Date2016-12-07
本公开描述了种利用二羧酸(例如马来酸)作为仿酶来水解生物质的半纤维素和纤维素,将木质纤维生物质转化为乙醇的方法。控制马来酸水解的条件可选择性水解半纤维素,结果得到富含木糖的液体部分和富含葡聚糖的固体部分。葡聚糖可进步水解,以生产含葡萄糖材料。可将糖材料发酵,以生产乙醇,将乙醇回收。随后在从发酵材料除去乙醇后留下的残余物中回收二羧酸,将回收的二羧酸再循环至方法的开始,以处理另外的木质纤维生物质。
Patent
Publication NumberUS 8790904Filing StatusIssued PatentAvailabilityLicensableFiling Date2012-04-13Publication Date2014-07-29
The disclosure describes a process for the conversion of lignocellulosic biomass to ethanol utilizing a dicarboxylic acid such as maleic acid as an enzyme mimic to hydrolyze the hemicellulose and cellulose of the biomass. Controlling the condition of the maleic acid hydrolysis can selectively hydrolyze the hemicellulose giving as a result a liquid portion rich in xylose and a solid portion rich in glucan. The glucan can be further hydrolyzed to produce a glucose containing material. The sugar…
Patent
Publication NumberWO 2011047039 A1Filing StatusPatent ApplicationAvailabilityUnknownFiling Date2010-10-13Publication Date2011-04-21
The disclosure describes a process for the conversion of lignocellulosic biomass to ethanol utilizing a dicarboxylic acid such as maleic acid as an enzyme mimic to hydrolyze the hemicellulose and cellulose of the biomass. Controlling the condition of the maleic acid hydrolysis can selectively hydrolyze the hemicellulose giving as a result a liquid portion rich in xylose and a solid portion rich in glucan. The glucan can be further hydrolyzed to produce a glucose containing material. The sugar…
Patent
Publication NumberUS 3867234Filing StatusIssued PatentAvailabilityUnknownFiling Date1972-12-27Publication Date1975-02-18
A spray drying system, of the type in which a liquid feed is converted into a dry powder by atomization in a stream of hot air, has a vertically disposed, upwardly opening outlet conduit within the collection area of the drying chamber. The conduit is aligned axially with the drying chamber to incorporate a fully symmetrical relationship between the chamber per se and the means for disengaging the dried product from the gaseous drying media.
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Patents: 8

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