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公开(公告)号：US4290866A
公开(公告)日：1981-09-22
申请号：US86877
申请日：1979-10-22
摘要： A process for removing manganese ions from aqueous acidic sulphate solutions containing zinc and manganese ions, without removing a substantial amount of zinc ions from solution, includes treating the solution with ozone to oxidize manganese ions to manganese dioxide, and removing the manganese dioxide from the solution.
摘要翻译： 从含有锌离子和锰离子的酸性硫酸盐水溶液中除去锰离子而不从溶液中除去大量锌离子的方法包括用臭氧处理溶液以将锰离子氧化成二氧化锰，并从溶液中除去二氧化锰 。
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2.发明授权
公开(公告)号：US4379037A
公开(公告)日：1983-04-05
申请号：US271723
申请日：1981-06-08
摘要： A process for removing manganese and chloride ions from an aqueous acidic sulphate solution containing zinc, manganese and chloride ions without removing a substantial amount of zinc ions from the solution includes adjusting the free acidity of the solution if necessary to at least about 0.1 molar. The solution is then treated with ozone to oxidize manganese ions to manganese dioxide, and the ozone treatment is continued after the manganese concentration has fallen to a low level to oxidize chloride ions to chlorine gas. The precipitated manganese dioxide is removed from the solution.
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公开(公告)号：US4071421A
公开(公告)日：1978-01-31
申请号：US724423
申请日：1976-09-17
CPC分类号： C25B1/21 , C25C1/16 , Y02P10/236
摘要： A process for recovering zinc and manganese dioxide from material containing zinc and manganese compounds, includes leaching the material to provide an aqueous solution containing manganese and zinc ions, electrolyzing the solution in one electrolytic cell with conditions inhibiting the formation of manganese dioxide and favoring the deposition of zinc, and electrolyzing the solution in another electrolytic cell with conditions favoring the formation of manganese dioxide. Zinc is removed from the one electrolytic cell and manganese dioxide is removed from the other electrolytic cell.
摘要翻译： 从含有锌和锰化合物的材料中回收锌和二氧化锰的方法包括浸出该材料以提供含有锰和锌离子的水溶液，在一个电解池中电解溶液，其条件是抑制二氧化锰的形成和有利于沉积 的锌，并且在有利于形成二氧化锰的条件下将另一电解槽中的溶液电解。 锌从一个电解池中取出，二氧化锰从另一个电解池中除去。
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公开(公告)号：US4272490A
公开(公告)日：1981-06-09
申请号：US920027
申请日：1978-06-28
申请人： Verner B. Sefton , Ian M. Masters
发明人： Verner B. Sefton , Ian M. Masters
CPC分类号： C22B60/0234 , C22B23/043 , C22B23/0461 , Y02P10/212
摘要： A process for the recovery of uranium values from uranium-bearing material by sulphuric acid leaching when the material also contains siliceous matter which is at least partly soluble in sulphuric acid. The process comprises leaching the material with sulphuric acid in an aqueous slurry under oxidizing conditions at a temperature within the range of from about 65.degree. C. to about 200.degree. C. and at elevated pressure, with sulphuric acid being present in a quantity only slightly in excess of the amount required to dissolve the uranium and any other element whose dissolution is desired, to produce an insoluble residue containing siliceous matter and a leach solution containing dissolved values of uranium and any other desired element.
摘要翻译： 当材料还含有至少部分溶于硫酸的硅质物质时，通过硫酸浸出从含铀材料中回收铀值的方法。 该方法包括在氧化条件下在约65℃至约200℃的温度和高压下用硫酸在含水浆料中浸出材料，硫酸的存在量仅为略 超过溶解铀和任何其他需要溶解的其它元素所需的量，以产生含有硅质物质的不溶性残余物和含有溶解的铀和任何其它所需元素的浸出溶液。
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5.发明授权
公开(公告)号：US4861565A
公开(公告)日：1989-08-29
申请号：US7199
申请日：1987-01-27
申请人： Verner B. Sefton , Robert Fox , William P. Lorenz
发明人： Verner B. Sefton , Robert Fox , William P. Lorenz
IPC分类号： C01G31/00 , C01G39/00 , C01G41/00 , C22B7/00 , C22B21/00 , C22B34/22 , C22B34/34 , C22B34/36
CPC分类号： C22B34/225 , C22B21/003 , C22B23/0423 , C22B34/345 , C22B34/365 , C22B7/009 , Y02P10/214 , Y02P10/23 , Y02P10/234
摘要： Metal values including those of cobalt, vanadium, aluminum, molybdenum and tungsten are recovered from spent petroleum refining catalyst by acid leaching the metal values except those of molybdenum or tungsten, separating the resulting solution from the leach residue and selectively recovering the cobalt, vanadium and aluminum values from the solution and recovering the molybdenum and tungsten values from the leach residue.
摘要翻译： 从废石油精炼催化剂中回收包括钴，钒，铝，钼和钨的金属值，除了钼或钨之外的金属值，将所得溶液与浸出残渣分离，并选择性地回收钴，钒和 来自溶液的铝值并从浸出残渣中回收钼和钨的值。
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6.发明授权
公开(公告)号：US4123260A
公开(公告)日：1978-10-31
申请号：US796495
申请日：1977-05-12
IPC分类号： C01G3/00 , C01G9/00 , C01G51/00 , C01G53/00 , C01G53/10 , C22B15/00 , C22B23/00 , C22B15/08 , C22B19/22
CPC分类号： C01G53/003 , C01G3/003 , C01G9/003 , C22B23/04 , C22B3/42 , Y02P10/234
摘要： A process for separately recovering nickel and cobalt from solution includes adjusting the pH of the solution to a value between about 3 and about 6, and then contacting the solution with a chelating ion exchange resin having aminocarboxylic acid functional groups to selectively load nickel onto the resin to produce a nickel loaded resin and a nickel depleted cobalt containing solution. The process is also applicable to the separate recovery of copper and zinc from solution.
摘要翻译： 从溶液中单独回收镍和钴的方法包括将溶液的pH调节至约3至约6之间的值，然后使溶液与具有氨基羧酸官能团的螯合离子交换树脂接触以选择性地将镍加载到树脂上 以生产负载镍的树脂和含镍的含钴溶液。 该方法也适用于从溶液中分离回收铜和锌。
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公开(公告)号：US4193970A
公开(公告)日：1980-03-18
申请号：US933215
申请日：1978-08-14
CPC分类号： C22B3/44 , C01G49/009 , C01P2006/80 , Y02P10/234
摘要： A process for precipitation of iron as a jarosite compound from sulfate solution in which said solution fed sequentially through a plurality of reaction zones for oxidation and hydrolysis of ferrous sulfate in the presence of alkali-metal or ammonium ions for jarosite precipitation and simultaneous generation of sulfuric acid is subjected to a "reverse temperature profile", i.e., higher temperature in the last reaction zone than in the first reaction zone, by injection of steam to the last reaction zone.
摘要翻译： 一种从硫酸盐溶液中析出铁作为黄钾铁矾合成物的方法，其中所述溶液依次通过多个反应区，在碱金属或铵离子存在下进行氧化和水解硫酸亚铁，用于黄钾铁矾沉淀和同时产生硫酸 通过将蒸汽注入到最后的反应区，使酸经受“反向温度分布”，即在最后反应区比在第一反应区高的温度。
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公开(公告)号：US4070182A
公开(公告)日：1978-01-24
申请号：US714060
申请日：1976-08-13
CPC分类号： C22B11/04 , C22B15/0078 , Y02P10/236
摘要： Gold, as well as copper, is recovered from copper bearing sulphidic material containing gold. The copper bearing sulphidic material is subjected to a main leach to provide a copper containing main leach liquor and a main residue. A secondary leach with ammonium thiosulphate solution is carried out on the copper bearing sulphidic material before the main leach, or on the residue from the main leach, to provide a gold containing secondary leach liquor and a secondary residue. Copper and gold are recovered from the respective leach liquors. Silver may also be recovered in addition to the gold.
摘要翻译： 金，以及铜，从含有金的含铜硫化物质中回收。 对含铜硫化物材料进行主浸出以提供含铜主浸出液和主要残渣。 在主浸出之前或在主浸出物的残渣上，在含铜硫化物材料上进行硫代硫酸铵溶液的次级浸出，以提供含金的次级浸出液和次级残渣。 从相应的浸出液中回收铜和金。 除了黄金之外，还可以回收银。
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