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公开(公告)号：US08343337B2
公开(公告)日：2013-01-01
申请号：US12608048
申请日：2009-10-29
IPC分类号： C10G1/04
CPC分类号： C09D1/00 , C04B28/24 , C10G1/045 , C10G1/047 , C10G2300/4006 , C10G2300/44 , Y02W30/91 , Y02W30/93 , C04B18/125 , C04B18/049
摘要： A process for the extraction and recovery of bitumen from oil sands and a process for the treatment of tailings are disclosed. Bitumen is recovered in a process comprising contacting a polysilicate microgel with an ore sand oil to produce a froth comprising bitumen and a tailings stream comprising water, sand and clay fines. Preferably the tailings stream is dewatered and recovered water may be recycled to the extraction process. Polysilicate microgel may be carried through to a dewatering step and enhances flocculation in dewatering said tailings.
摘要翻译： 公开了一种从油砂中提取和回收沥青的方法以及尾矿处理方法。 在包括使聚硅酸盐微凝胶与矿砂油接触以产生包含沥青和包含水，砂和粘土细粉的尾矿料的泡沫的方法中回收沥青。 尾矿流优选脱水，并且回收的水可循环至萃取过程。 可以将聚硅酸盐微凝胶进入脱水步骤，并且增强所述尾矿脱水中的絮凝。
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公开(公告)号：US08388832B2
公开(公告)日：2013-03-05
申请号：US12608142
申请日：2009-10-29
CPC分类号： C09D1/00 , C04B28/24 , C10G1/045 , C10G1/047 , C10G2300/4006 , C10G2300/44 , Y02W30/91 , Y02W30/93 , C04B18/125 , C04B18/049
摘要： A process for the treatment of a tailings stream is provided. The tailings stream comprises water, sand and clay fines and is produced from bitumen extraction process of an oil sands ore. The process for treating the tailings stream comprises contacting a polysilicate microgel, a polyacrylamide and one or both of a multivalent metal compound and a low molecular weight cationic organic polymer with a tailings stream to flocculate sand and clay fines.
摘要翻译： 提供了一种处理尾矿物流的方法。 尾矿流包括水，砂和粘土粉，由油砂矿石的沥青提取工艺生产。 用于处理尾矿物流的方法包括使聚硅酸盐微凝胶，聚丙烯酰胺和多价金属化合物和低分子量阳离子有机聚合物中的一种或两者与尾矿物流接触以絮凝砂和粘土细粉。
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公开(公告)号：US20100101981A1
公开(公告)日：2010-04-29
申请号：US12608048
申请日：2009-10-29
IPC分类号： C10G1/04
CPC分类号： C09D1/00 , C04B28/24 , C10G1/045 , C10G1/047 , C10G2300/4006 , C10G2300/44 , Y02W30/91 , Y02W30/93 , C04B18/125 , C04B18/049
摘要： A process for the extraction and recovery of bitumen from oil sands and a process for the treatment of tailings are disclosed. Bitumen is recovered in a process comprising contacting a polysilicate microgel with an ore sand oil to produce a froth comprising bitumen and a tailings stream comprising water, sand and clay fines. Preferably the tailings stream is dewatered and recovered water may be recycled to the extraction process. Polysilicate microgel may be carried through to a dewatering step and enhances flocculation in dewatering said tailings.
摘要翻译： 公开了一种从油砂中提取和回收沥青的方法以及尾矿处理方法。 在包括使聚硅酸盐微凝胶与矿砂油接触以产生包含沥青和包含水，砂和粘土细粉的尾矿料的泡沫的方法中回收沥青。 尾矿流优选脱水，并且回收的水可循环至萃取过程。 可以将聚硅酸盐微凝胶进入脱水步骤，并且增强所述尾矿脱水中的絮凝。
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公开(公告)号：US08815004B2
公开(公告)日：2014-08-26
申请号：US13329375
申请日：2011-12-19
IPC分类号： C08L91/00 , C08L91/06 , C08J3/02 , C08L95/00 , C09D4/00 , C09D101/00 , C09D201/00 , C04B26/00 , C04B26/20 , C04B26/24 , C04B26/16 , C04B26/06 , C04B26/18 , C04B26/02 , C04B28/24 , C04B26/10 , C04B26/30 , C04B26/14 , C04B111/00
CPC分类号： C04B22/147 , C04B22/064 , C04B24/28 , C04B26/003 , C04B26/02 , C04B26/06 , C04B26/105 , C04B26/14 , C04B26/16 , C04B26/18 , C04B26/20 , C04B26/24 , C04B26/30 , C04B28/24 , C04B2111/0075 , Y02W30/91 , Y02W30/93 , C04B14/022 , C04B14/06 , C04B14/38 , C04B16/06 , C04B18/12 , C04B18/125 , C04B20/0048 , C04B22/02 , C04B2103/10 , C04B18/0418
摘要： A process for treating a tailings stream comprises (a) contacting (1) a gelling agent and (2) an activator with said tailings stream to produce a gel; (b) entrapping solids including sand and clay, and other solid particles with the gel; and (c) allowing the gel to strengthen and solidify to produce a trafficable deposit; wherein the tailings stream comprises water and solids, which solids comprise sand, clay and other solids particles, and wherein 5% by volume to 100% by volume of the solids have a particle size less than 0.05 mm, based on the total volume of the solids. The process may further comprises spreading the gel produced in step (a) or the trafficable deposit produced in step (c) over a surface. The present invention is particularly useful to treat tailings streams produced in processes to extract bitumen from oil sands ores.
摘要翻译： 用于处理尾矿物流的方法包括（a）使（1）胶凝剂和（2）活化剂与所述尾矿物流接触以产生凝胶; （b）将包括砂和粘土的固体以及其它具有凝胶的固体颗粒夹带; 和（c）允许凝胶加强固化以产生可交通存款; 其中所述尾矿物流包含水和固体，所述固体包含沙子，粘土和其它固体颗粒，并且其中5体积％至100体积％的固体具有小于0.05毫米的粒度，基于 固体。 该方法可以进一步包括将在步骤（a）中生产的凝胶或步骤（c）中产生的可流通沉积物铺展在表面上。 本发明特别可用于处理在油砂矿石中提取沥青的方法中产生的尾矿料流。
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公开(公告)号：US20100126910A1
公开(公告)日：2010-05-27
申请号：US12608142
申请日：2009-10-29
IPC分类号： C10G1/04
CPC分类号： C09D1/00 , C04B28/24 , C10G1/045 , C10G1/047 , C10G2300/4006 , C10G2300/44 , Y02W30/91 , Y02W30/93 , C04B18/125 , C04B18/049
摘要： A process for the treatment of a tailings stream is provided. The tailings stream comprises water, sand and clay fines and is produced from bitumen extraction process of an oil sands ore. The process for treating the tailings stream comprises contacting a polysilicate microgel, a polyacrylamide and one or both of a multivalent metal compound and a low molecular weight cationic organic polymer with a tailings stream to flocculate sand and clay fines.
摘要翻译： 提供了一种处理尾矿物流的方法。 尾矿流包括水，砂和粘土粉，由油砂矿石的沥青提取工艺生产。 用于处理尾矿物流的方法包括使聚硅酸盐微凝胶，聚丙烯酰胺和多价金属化合物和低分子量阳离子有机聚合物中的一种或两者与尾矿物流接触以絮凝砂和粘土细粉。
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公开(公告)号：US20100040747A1
公开(公告)日：2010-02-18
申请号：US12189892
申请日：2008-08-12
IPC分类号： C12H1/12
CPC分类号： C12H1/0408 , C01B33/154
摘要： The present invention provides a method of reducing chill haze in a protein containing liquid (especially beverages resulting from fermentation such as beer and wine) by contacting the liquid with silica microgels having an average microgel diameter of at least 18 nm, more preferably at least 45 nm, and most preferably at least 70 nm. It has now been discovered that microgels having an average microgel diameter of less than about 18 nm do not adequately reduce chill haze of a protein containing liquid. In particular, while microgels having an average microgel diameter of less than about 18 nm cause the coagulation of haze-forming components, these components remain suspended in liquid and continue to cause haze despite allowing the liquid to settle for long periods of time. Conversely, it has now been discovered that microgels having an average microgel diameter of at least about 18 nm cause the coagulation and precipitation of haze-forming components and the rapid settling thereof without the use of an organic polymer which acts as a flocculating agent.
摘要翻译： 本发明提供了一种通过使液体与平均微凝胶直径为至少18nm，更优选至少为45nm的二氧化硅微凝胶相接触来降低含蛋白质液体（特别是啤酒和葡萄酒发酵产生的饮料）中的冷却雾度的方法 nm，最优选至少70nm。 现在已经发现，平均微凝胶直径小于约18nm的微凝胶不能充分降低含蛋白质液体的冷却雾度。 具体地说，虽然平均微凝胶直径小于约18nm的微凝胶导致雾化形成组分的凝结，但是这些组分保持悬浮在液体中并且继续引起雾度，尽管允许液体长时间沉降。 相反，现在已经发现，平均微粒凝胶直径至少约为18nm的微凝胶导致雾化形成组分的凝结和沉淀及其快速沉降，而不使用充当絮凝剂的有机聚合物。
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公开(公告)号：US06780330B2
公开(公告)日：2004-08-24
申请号：US09802712
申请日：2001-03-09
IPC分类号： C02F156
CPC分类号： C02F1/56 , C02F1/66 , C02F2103/22 , Y10S210/905
摘要： A process is provided which can be used to treat aqueous streams comprising soluble biomaterials, especially proteins, wherein the concentration of soluble biomaterials is substantially reduced. The process comprises adjusting the pH of a substantially aqueous to less than or equal to pH 3 to produce a first pH-adjusted stream, which is in turn adjusted to greater than pH 3 to produce a second pH-adjusted stream followed by addition of a flocculant to produce a flocculated material.
摘要翻译： 提供了可用于处理包含可溶性生物材料，特别是蛋白质的含水流的方法，其中可溶性生物材料的浓度显着降低。 该方法包括将基本上含水的pH调节至小于或等于pH 3，以产生第一pH调节的流，其又被调节至大于pH 3以产生第二pH调节的流，然后加入 絮凝剂产生絮凝物。
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公开(公告)号：US06274112B1
公开(公告)日：2001-08-14
申请号：US09456367
申请日：1999-12-08
IPC分类号： C01B3312
CPC分类号： C01B33/143
摘要： A continuous process is provided for preparing silica microgels using carbon dioxide as a gel initiator at a pressure of at least about 172 kPa (about 25 psig). Consistent performance of microgel can be produced with varying production rates.
摘要翻译： 提供了一种连续方法，用于在至少约172kPa（约25psig）的压力下使用二氧化碳作为凝胶引发剂制备二氧化硅微凝胶。 可以以不同的生产率生产微凝胶的一致的性能。
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9.发明授权Modified starch composition for removing particles from aqueous dispersions 有权用于从水性分散体中除去颗粒的改性淀粉组合物
公开(公告)号：US6048929A
公开(公告)日：2000-04-11
申请号：US176002
申请日：1998-10-21
IPC分类号： C08B31/00 , C08L3/08 , D21H17/29 , D21H17/37 , D21H17/42 , D21H17/66 , D21H21/10 , C08G63/48 , C08F16/06 , C08G63/91
摘要： Modified starches prepared by cooking an amphoteric or cationic starch and an anionic, amphoteric, or cationic polyacrylamide have utility as a retention aid in the manufacture of paper.
摘要翻译： 通过蒸煮两性或阳离子淀粉和阴离子，两性或阳离子聚丙烯酰胺制备的改性淀粉具有用于制造纸的助留剂。
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10.发明授权
公开(公告)号：US5980836A
公开(公告)日：1999-11-09
申请号：US874140
申请日：1997-06-13
IPC分类号： C01B33/143 , C01B33/26 , B01J14/00
CPC分类号： C01B33/143 , C01B33/26
摘要： An improved method and apparatus for preparing low-concentration polyaluminosilicate microgels from a water soluble silicate and a strong acid in which the silicate and acid are mixed at a rate to produce a Reynolds number of at least 4000, the mixture is aged and then diluted to a silica concentration of not more than 1.0 wt. %. The method achieves reduced silica deposition during the preparation of the microgels.
摘要翻译： 一种用于从水溶性硅酸盐和强酸制备低浓度聚硅铝酸盐微凝胶的改进方法和装置，其中硅酸盐和酸以产生雷诺数至少为4000的速率混合，将混合物老化然后稀释至 二氧化硅浓度不大于1.0wt。 ％。 该方法在制备微凝胶期间实现了二氧化硅沉积的减少。
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