-
公开(公告)号：US4061564A
公开(公告)日：1977-12-06
申请号：US669586
申请日：1976-03-23
CPC分类号： C22B3/0068 , C25C1/12 , Y02P10/234
摘要： A process for treating an aqueous acid solution containing at least one element selected from the group of elements consisting of As, Sb and Bi, said process comprising contacting the aqueous solution with an organic phase comprising an organophosphoric compound having the general formula (RO).sub.3 P = O wherein R represents an unsubstituted or substituted alkyl, aryl or aralkyl group, while maintaining a temperature of between 10.degree. and 60.degree. C and an organic phase/aqueous phase ratio of between 0.1 and 5, whereby the elements of said group and acid are extracted from the aqueous phase to the organic phase, and separating the resultant pregnant organic phase from the aqueous phase.
摘要翻译： 一种处理含有选自由As，Sb和Bi组成的元素组中的至少一种元素的酸性水溶液的方法，所述方法包括使所述水溶液与包含通式（RO）3的有机磷化合物的有机相接触 P = O，其中R表示未取代或取代的烷基，芳基或芳烷基，同时保持温度在10至60℃之间，有机相/水相比为0.1至5，由此所述基团和 将酸从水相萃取到有机相，并将所得的怀孕有机相与水相分离。
-
2.发明授权
公开(公告)号：US4432952A
公开(公告)日：1984-02-21
申请号：US421251
申请日：1982-09-22
CPC分类号： C01G17/003 , C22B3/0039 , Y02P10/234
摘要： A substituted 8-hydroxyquinoline is added to the alphahydroxyoxime extractant, which allows extracting germanium at lower acidity and with a better yield.
摘要翻译： 将取代的8-羟基喹啉加入到α-羟基肟萃取剂中，其可以以较低的酸度和更好的收率提取锗。
-
公开(公告)号：US4419338A
公开(公告)日：1983-12-06
申请号：US335551
申请日：1981-12-29
IPC分类号： B01D11/04
CPC分类号： B01D11/0457
摘要： A multistage liquid-liquid extraction apparatus of the mixer-settler type, which is especially suited for performing liquid-liquid extractions accompanied by the formation of a solid phase, comprises a vessel the side-wall of which defines a cylinder or a regular polygonal body, the vessel being divided by means of radial partitions into sectors, each sector comprising a mixer and a settler, and the mixers and the settlers being located near the side-wall of the vessel.The agitators of the mixers are constituted by pumping turbines; the outlets of the mixers are constituted by weirs located near the side-wall of the vessel; means are provided for making the mixed liquids, discharged at the outlet of the mixers, flow by gravity towards a zone near the axis of the vessel; and the bottom of the vessel is inclined towards the axis of the vessel so as to define a reversed cone or pyramid.
摘要翻译： 特别适合于进行伴随形成固相的液 - 液萃取的混合沉降器类型的多级液 - 液萃取装置包括容器，其侧壁限定圆柱体或正多边形体 ，船舶通过径向隔板分成扇区，每个扇区包括混合器和沉降器，并且混合器和沉降器位于容器的侧壁附近。 混合器的搅拌器由泵送涡轮机构成; 混合器的出口由位于船舶侧壁附近的堰构成; 提供了用于使在混合器出口排出的混合液体通过重力流向靠近容器轴线的区域的装置; 并且容器的底部朝向容器的轴线倾斜，以便限定反转的锥体或金字塔。
-
4.发明授权
公开(公告)号：US4102976A
公开(公告)日：1978-07-25
申请号：US667933
申请日：1976-03-18
IPC分类号： C01G28/00 , C01G30/00 , C22B1/11 , C22B3/00 , C22B3/04 , C22B3/06 , C22B3/36 , C22B3/38 , C22B3/40 , C22B15/00 , C22B30/00 , C22B30/04 , C01B27/00 , C01B29/00
CPC分类号： C01G28/001 , C01G30/001 , C22B1/11 , C22B15/0071 , C22B3/0037 , C22B3/0059 , C22B3/006 , C22B3/0063 , C22B3/0066 , C22B3/0067 , C22B3/0095 , C22B3/06 , C22B30/00 , Y02P10/234 , Y02P10/236
摘要： In a process for treating a metal bearing material containing arsenic and antimony by leaching in an acid solution with an oxygen-containing gas under pressure at a temperature of between 20.degree. and 200.degree. C, the improvement which consists in adding at least one element chosen from the group consisting of arsenic and phosphorus in such an amount to the leach mixture that the molar ratio (As + 4P) : Sb therein shall be at least equal to 8, thus dissolving at least the major part of the arsenic and antimony contained in the starting material.
摘要翻译： 在含有砷和锑的金属承载材料的处理过程中，通过在含氧气体的酸性溶液中在20〜200℃的温度下进行浸出处理，其改进在于添加至少一种选择的元素 从由砷和磷组成的组中，浸出混合物中的摩尔比（As + 4P）：Sb至少等于8，从而将至少大部分砷和锑溶解在 起始材料。
-
公开(公告)号：US4088733A
公开(公告)日：1978-05-09
申请号：US660546
申请日：1976-02-23
CPC分类号： C22B3/0095 , Y02P10/234
摘要： A process for separating cobalt from nickel in an aqueous acid solution containing the above metals, which comprises contacting said solution with an organic phase comprising (a) 65-98% by volume of a concentrated alpha-hydroxyoxime extractant, a 1% by volume solution of which in xylene has per liter a maximum loading capacity of about 0.864 g. of copper, and (b) 2-35% by volume of an organophosphoric acid of the general formula: ##STR1## wherein R.sub.1 represents an alkyl, aryl or aralkyl radical, while maintaining the pH of said solution between 1 and 6, whereby cobalt is extracted from the aqueous phase to the organic phase and separating the resultant cobalt pregnant organic phase from the aqueous phase.
摘要翻译： 一种从含有上述金属的酸性水溶液中分离钴的方法，其包括将所述溶液与有机相接触，所述有机相包含（a）65-98体积％的浓度的α-羟基肟萃取剂，1体积％的溶液 其中二甲苯中每升最大装载量约为0.864克。 的铜，和（b）2-35体积％的通式为的有机磷酸：其中R 1表示烷基，芳基或芳烷基，同时保持所述溶液的pH在1和6之间，由此钴 从水相中萃取到有机相，并将所得的钴怀孕有机相与水相分离。
-
公开(公告)号：US4277445A
公开(公告)日：1981-07-07
申请号：US912989
申请日：1978-06-06
IPC分类号： B01D11/04
CPC分类号： B01D11/0457
摘要： A multistage liquid-liquid extraction apparatus of the mixer-settler type, which is especially suited for performing liquid-liquid extractions accompanied by the formation of a solid phase, comprises a vessel the side-wall of which defines a cylinder or a regular polygonal body, the vessel being divided by means of radial partitions into sectors, each sector comprising a mixer and a settler, and the mixers and the settlers being located near the side-wall of the vessel.The agitators of the mixers are constituted by pumping turbines; the outlets of the mixers are constituted by weirs located near the side-wall of the vessel; means are provided for making the mixed liquids, discharged at the outlet of the mixers, flow by gravity towards a zone near the axis of the vessel; and the bottom of the vessel is inclined towards the axis of the vessel so as to define a reversed cone or pyramid.
摘要翻译： 特别适合于进行伴随形成固相的液 - 液萃取的混合沉降器类型的多级液 - 液萃取装置包括容器，其侧壁限定圆柱体或正多边形体 ，船舶通过径向隔板分成扇区，每个扇区包括混合器和沉降器，并且混合器和沉降器位于容器的侧壁附近。 混合器的搅拌器由泵送涡轮机构成; 混合器的出口由位于船舶侧壁附近的堰构成; 提供了用于使在混合器出口排出的混合液体通过重力流向靠近容器轴线的区域的装置; 并且容器的底部朝向容器的轴线倾斜，以便限定反转的锥体或金字塔。
-
7.再颁专利Liquid-liquid extraction of germanium from aqueous solution using hydroxy-oximes 失效使用羟基肟从水溶液中液 - 液萃取锗
公开(公告)号：USRE33410E
公开(公告)日：1990-10-30
申请号：US485902
申请日：1990-02-26
CPC分类号： C01G17/003 , C22B3/0017 , Y02P10/234
摘要： Process for extraction of germanium from aqueous acid solution by contacting with an organic liquid containing a hydroxy-oxime and recovering the extracted germanium from the organic phase.
-
公开(公告)号：US4432951A
公开(公告)日：1984-02-21
申请号：US421250
申请日：1982-09-22
CPC分类号： C22B3/0037 , C01G17/003 , Y02P10/234
摘要： Germanium is separated from an aqueous solution by means of a substituted 8-hydroxyquinoline extractant.Re-extraction of germanium from the extractant is carried out above 40.degree. C. and with an organic phase: aqueous phase volume ratio less than 1, whereby obtaining a high re-extraction yield.
摘要翻译： 通过取代的8-羟基喹啉萃取剂将锗与水溶液分离。 从萃取剂中重新萃取锗在40℃以上进行，有机相：水相体积比小于1，从而获得高的提取率。
-
公开(公告)号：US4490338A
公开(公告)日：1984-12-25
申请号：US169518
申请日：1980-07-21
CPC分类号： C22B3/0063 , C22B3/0056 , C22B3/0095 , Y02P10/234 , Y10S423/04
摘要： A process for separating trivalent iron from an aqueous chloride solution comprising contacting the aqueous solution with an organic phase containing an organophosphoric compound as an extracting agent for trivalent iron and at least 40 percent in volume of a long chain aliphatic alcohol, separating the iron-loaded organic phase from the aqueous solution, and re-extractng the iron from the iron-loaded organic phase by contacting the latter with water or acidulated water so as to produce an aqueous iron chloride solution.Owing to the high alcohol content of the organic phase, iron can be re-extracted with a small amount of water.
摘要翻译： 一种从氯化水溶液中分离三价铁的方法，包括使水溶液与含有有机磷化合物的有机相作为三价铁的萃取剂和至少40％的长链脂族醇的分离，将铁载体 有机相，并通过使铁与水或酸化水接触，从铁负载的有机相中再提取铁，以产生氯化铁水溶液。 由于有机相的高酒精含量，铁可以用少量的水再提取。
-
10.发明授权Process for treating an organic phase containing iron chloride, molybdenum chloride and HCl 失效用于处理含有氯化铁，氯化钼和HCl的有机相的方法
公开(公告)号：US4332684A
公开(公告)日：1982-06-01
申请号：US169517
申请日：1980-07-21
CPC分类号： C01G39/003 , C01G49/0009 , C22B3/0056 , C22B3/0063 , Y02P10/234
摘要： A process for re-extracting trivalent iron and hexavalent molybdenum from an organic phase containing an organophosphoric compound.In a first step the organic phase is contacted with such a quantity of water that most of the iron and only a minor part of the molybdenum are re-extracted.In a second step the partially unloaded organic phase is contacted with such a quantity of water that most of the molybdenum contained therein is re-extracted.This two-step re-extraction process permits obtaining a high reextraction yield for both molybdenum and iron, while ensuring the production of a concentrated eluate.
摘要翻译： 从含有机磷化合物的有机相中重新提取三价铁和六价钼的方法。 在第一步中，有机相与这样的水接触，大部分铁和仅少部分钼被再次提取。 在第二步中，将部分未加载的有机相与其中重新萃取的大部分钼接触。 这种两步再提取方法允许获得钼和铁两者的高再提取产率，同时确保浓缩洗脱液的生产。
-
-
-
-
-
-
-
-
-
搜索结果
10 条记录 (耗时 0.015 秒)
