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    • 6. 发明申请
    • PROCESS FOR TREATING BLACK LIQUOR
    • 黑液处理工艺
    • WO2015137861A1
    • 2015-09-17
    • PCT/SE2015/050212
    • 2015-02-26
    • REN FUEL K2B AB
    • SAMEC, JosephCARRICK, Christopher
    • C07G1/00C08H7/00D21C11/00B01D61/14C08H8/00C10L1/02
    • C07G1/00B01D61/027B01D61/142B01D61/145B01D61/58B01D2311/25B01D2311/2642B01D2315/12B01D2315/16B01D2317/022B01D2317/025B01D2317/08C08H6/00C08L97/005D21C11/0007D21C11/0042
    • The present invention relates to a method of membrane-filtrating a lignin containing composition in order to obtain a lignin fraction more suitable for further treatments.In particular it relates to treating a liquid lignin composition to obtain a lignin fraction having a desired molecular weight distribution by a membrane filtration. It comprises subjecting the liquid lignin composition to a first membrane filtration with a first filter cut-off adapted to remove species having a first molecular weight thereby providing a permeate with a molecular weight distribution defined by said cut-off. Then, the permeate from the first membrane filtration is; subjected to at least one further filtration step with a second filter cut-off, different from said first filter cut-off to provide a retentate (concentrate) with a molecular weight distribution defined by both the cut-off in the first filter the cut- off in said second filter. A dilution is performed on a desired lignin containing fraction at some point downstream of the first filtration unit. A lignin containing retentate (concentrate) is collected from the further ultrafiltration for further processing.
    • 本发明涉及一种膜过滤含木质素的组合物的方法,以获得更适于进一步处理的木质素级分。特别涉及处理液态木质素组合物以获得具有所需分子量分布的木质素级分,通过 膜过滤。 它包括使液体木质素组合物进行第一膜过滤,其中第一过滤器截止物适于除去具有第一分子量的物质,从​​而提供具有由所述截止物限定的分子量分布的渗透物。 然后,来自第一膜过滤的渗透物为 用与第一过滤器截止点不同的第二过滤器截止件进行至少一个另外的过滤步骤,以提供具有由第一过滤器中的截止部分限定的分子量分布的截留物(浓缩物) 在所述第二过滤器中关闭。 在第一过滤单元下游的某个点对所需的含木质素馏分进行稀释。 从进一步的超滤中收集含有滞留物(浓缩物)的木质素用于进一步处理。
    • 9. 发明申请
    • MICRO FLOW FILTRATION SYSTEM AND FLOW FILTRATION METHOD
    • 微流量过滤系统和流量过滤方法
    • WO2013144091A1
    • 2013-10-03
    • PCT/EP2013/056298
    • 2013-03-25
    • ROCHE DIAGNOSTICS GMBHF. HOFFMANN-LA ROCHE AGOranth, NorbertLOSLEBEN, NadineLUTZ, SaschaGROSSMANN, Adelbert
    • Oranth, NorbertLOSLEBEN, NadineLUTZ, SaschaGROSSMANN, Adelbert
    • B01D61/18B01D61/20
    • B01D61/22B01D61/147B01D61/18B01D61/20B01D2311/14B01D2313/10B01D2313/14B01D2313/243B01D2313/28B01D2313/50B01D2315/10B01D2315/12
    • A micro flow filtration system comprises a fluid circuitry (3) and a first reservoir (1) outside the circuitry (3) suitable for containing a fluid. The fluid circuitry (3) comprises a tangential flow filtration module (10) capable of separating the fluid sample into a retentate stream and a permeate stream upon passage of the fluid sample into the tangential flow filtration module (10) through an inlet feed (18). The fluid circuitry (3) further comprises a second reservoir (2) integrated in the fluid circuitry (3), a pump (5) for creating and driving a fluid flow, optionally at least one pressure sensor (6, 7 or 8) for acquiring and detecting data about the fluid sample, optionally a pressure regulator (9) for regulating the flow in the fluid circuitry (3) and a plurality of conduits (22) forming the fluid circuitry (3) together with the second reservoir (2), the TFF-module (10), the pump (5), the pressure sensor (6, 7 or 8) (if present) and the pressure regulator (9) (if present). The volume of the first reservoir (1) outside the circuitry (3) is significantly larger than the volume of the second reservoir (2). The first reservoir (1) outside the fluid circuitry (3) is connected to the circuitry (3) via a connection conduit (31) such that the fluid flows unidirectionally into the circuitry (3) until the first reservoir (1) is empty so that a continuous fluid flow from the first reservoir (1) to the circuitry (3) is established.
    • 微流过滤系统包括流体回路(3)和适于容纳流体的电路(3)外部的第一储存器(1)。 流体回路(3)包括切向流过滤模块(10),该切向流过滤模块(10)能够通过入口进料(18)将流体样品分离成切向流过滤模块(10),该流动过滤模块能够将流体样品分离成滞留物流和渗透物流 )。 流体回路(3)还包括集成在流体回路(3)中的第二贮存器(2),用于创建和驱动流体流的泵(5),可选地至少一个压力传感器(6,7或8) 获取和检测关于流体样本的数据,可选地用于调节流体回路(3)中的流动的压力调节器(9)和与第二储存器(2)一起形成流体回路(3)的多个导管(22) ,TFF模块(10),泵(5),压力传感器(6,7或8)(如果存在)和压力调节器(9)(如果存在)。 电路(3)外部的第一储存器(1)的体积显着大于第二储存器(2)的体积。 流体回路(3)外部的第一储存器(1)经由连接导管(31)连接到电路(3),使得流体单向流入电路(3),直到第一储存器(1)为空 建立从第一储存器(1)到电路(3)的连续流体流动。