序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
1 一种氯化镍溶液的除锌方法 CN201611189163.4 2016-12-21 CN106587178A 2017-04-26 张国勇; 姜海燕; 赵德; 孙正德; 钱晓琼; 时金秋; 黄淑芳
发明涉及氯化镍溶液除锌的方法,将氯化镍溶液通过树脂柱,利用树脂对溶液中的锌离子进行吸附;其中,所述氯化镍溶液中锌含量≤1g/l,氯化镍溶液pH值为1.0~4.0,吸附温度为20~60℃,氯化镍溶液流速为每小时树脂体积的3~4倍。本发明采用树脂交换除去氯化镍溶液中的锌离子,使溶液中的锌离子含量可以稳定地控制在0.001g/l以下,本方法工艺简单,生产过程容易控制,节约生产成本。
2 一种用于浓缩和分离含有氯化(III)的盐酸溶液中的金属氯化物的方法 CN201280069914.2 2012-12-12 CN104114493B 2017-03-15 赫伯特·魏森贝克; 迪特尔·福格尔
描述了用于浓缩含有氯化(III)的盐酸溶液中的金属氯化物并从所述含有氯化铁(III)的盐酸溶液中分离所述金属氯化物的方法,其中,铁从所述溶液中沉淀为化铁,优选沉淀为赤铁矿,并在过滤装置中过滤出来,并且此时被进一步浓缩的非解性金属氯化物从盐酸滤液的至少一部分移除。
3 一种以废旧印花镍网为原料生产氯化镍产品的方法 CN201610738616.8 2016-08-29 CN106395921A 2017-02-15 赵德; 任伟; 陈胜维; 明键伟; 张国勇; 陈士强; 孙正德
发明涉及一种湿法冶金以废旧印花镍网为原料生产氯化镍产品的方法。其特征在于使废旧镍网循环利用,并找到了一种生产氯化镍产品的原料。本发明是将废旧镍网用脱膜剂脱除镍网表面感光胶后经工业盐酸进行浸出处理,浸出液再经P507萃取剂萃取除杂,萃余液杂质含量能够满足生产氯化镍产品的要求,萃余液经蒸发、结晶、离心、干燥产出合格的氯化镍产品,其发明使废旧镍网得以循环利用,并拓宽了生产氯化镍产品的原料种类。
4 一种氯化镍中去除钴杂质的方法 CN201610775845.7 2016-08-30 CN106854000A 2017-06-16 苏学松
发明提供了一种氯化镍中去除钴杂质的方法,具体步骤为:(1)将试剂氯化镍溶于形成溶液,加入试剂级氢化钠和次氯酸钠溶液,生成三价氢氧化镍沉淀,将三价氢氧化镍沉淀洗涤后备用;(2)向工业氯化镍溶液中加入水和过氧化氢过滤除去杂质后,加入步骤(1)中制得的三价氢氧化镍沉淀,加热搅拌30分钟,使溶液中的Co2+氧化为Co3+,并以Co(OH)3的形式析出沉淀;(3)分离沉淀物后将溶液浓缩结晶,即可制得符合试剂级指标的氯化镍成品;所述方法操作方便,具有广泛的应用前景。
5 一种从金属氯化物溶液中回收盐酸和金属化物的方法 CN201610152532.6 2016-03-17 CN105776140A 2016-07-20 朱富龙; 盛祖贵
发明公开了一种从金属氯化物溶液中回收盐酸和金属化物的方法。目前从金属氯化物溶液中回收盐酸和金属氧化物的方法,大多能耗高。本发明的特征在于:选择金属氯化物溶液和母液,所述的金属氯化物溶液含FeCl2、FeCl3、CuCl2、CoCl2、NiCl2、AlCl3、MgCl2中的一种以上,所述的母液含ZnCl2溶液;将金属氯化物溶液和母液在130?160℃温度下进行混合,并通入含氧的气体,将FeCl2氧化生成三氯化和Fe2O3产品;然后分别进行三氯化铁、三氯化和二氯化镁的解反应。本发明在低温下从金属氯化物溶液中再生盐酸和产生高纯的氧化物,能耗低。
6 一种含硝酸的化学镍废液的处理方法及对应的处理系统 CN201410608941.3 2014-11-03 CN104291498A 2015-01-21 薛克艳; 庄永; 金梁云; 赵中华; 刘彦超
发明公开了一种含硝酸的化学镍废液的处理方法,其是一种环境友好的处理方法,具有可观的综合环境和经济效益。该方法包括以下步骤:(1)将含镍废液过滤,去除机械杂质;(2)将含镍废液通过扩散渗析膜分离出硝酸;(3)对过膜后的含镍废液进行pH调节,调节pH至3.5~4.0,然后过滤;(4)将含镍废液过螯合树脂回收镍,然后用盐酸洗吸附在树脂上的镍制备氯化镍;(5)向过树脂后的废液中加入化剂,高温氧化除磷,然后过滤,过滤掉磷酸盐形成的沉淀,回收磷酸钙;(6)向滤液中加入重金属离子捕集剂、反应30min~40min;(7)向滤液中加入絮凝剂PAC、PAM进行絮凝沉降,之后上清液达标排放。
7 用于回收金属和盐酸的方法 CN201180009770.7 2011-02-04 CN102892907A 2013-01-23 布林·哈利斯; 卡尔·怀特
在此描述了一种用于从氯化物液体中回收盐酸和金属化物的方法。该方法包括:提供一种包括该金属的氯化物液体并且将该液体与一种基质溶液混合以产生一种反应混合物,其中该基质溶液辅助该金属的氧化/解以及HCl的产生。在一个优选的实施方案中,该基质溶液包含处于不同的水合阶段的氯化锌并且将一种含氧气体加入到该混合物中。因此,本发明披露了一种方法,其中改进为将一种液体与一种基质溶液混合,其中该溶液辅助该金属的水解以及HCl的产生。在一个优选的实施方案中,该反应器为一个柱式反应器。还披露了该基质溶液的用途以及一种用于回收盐酸并且用于使金属氧化/水解的反应器。
8 一种同时制备化亚和氯化镍的方法 CN201710470780.X 2017-06-20 CN107162037A 2017-09-15 陆寅; 陆明森; 袁双龙; 张小琴; 严晖
发明公开了一种同时制备化亚和氯化镍的方法,其特征在于以铜粉为还原剂在可溶于酸的镍的化合物存在下与氯化亚铜盐酸溶液反应得到氧化亚铜和氯化镍。本发明的制备方法操作简单,易于控制,产品纯度高,并且大大降低了液相还原法制备氧化亚铜的成本以及解决了氯化物排放的难题。
9 一种用于浓缩和分离含有氯化(III)的盐酸溶液中的金属氯化物的方法 CN201280069914.2 2012-12-12 CN104114493A 2014-10-22 赫伯特·魏森贝克; 迪特尔·福格尔
描述了用于浓缩含有氯化(III)的盐酸溶液中的金属氯化物并从所述含有氯化铁(III)的盐酸溶液中分离所述金属氯化物的方法,其中,铁从所述溶液中沉淀为化铁,优选沉淀为赤铁矿,并在过滤装置中过滤出来,并且此时被进一步浓缩的非解性金属氯化物从盐酸滤液的至少一部分移除。
10 制备镍盐溶液的方法 CN200680050323.5 2006-11-01 CN101542781A 2009-09-23 M·A·费琴科; C·费罗; A·扎伦; T·希克斯
一种将镍转化成镍盐溶液的方法。按以下化学方程式中所示,将镍溶解并在富集的酸性溶液中反应制备镍盐溶液,其中X是代表性酸H2X的共轭:Ni+H2X+YzO2→NiX+H2O。
11 Method of carbon dioxide-free hydrogen production from hydrocarbon decomposition over metal salts US15050318 2016-02-22 US09776860B2 2017-10-03 Jonah Erlebacher; Bernard Gaskey
A process to decompose methane into carbon (graphitic powder) and hydrogen (H2 gas) without secondary production of carbon dioxide, employing a cycle in which a secondary chemical is recycled and reused, is disclosed.
12 PROCESS FOR THE RECOVERY OF METALS AND HYDROCHLORIC ACID US13579864 2011-02-04 US20130052104A1 2013-02-28 Bryn Harris; Carl White
A method for recovering hydrochloric acid and metal oxides from a chloride liquor is described. The method uses a chloride liquor including the metal and mixing the liquor and a matrix solution to produce a reaction mixture, wherein the matrix solution assists oxidation/hydrolysis of the metal with HCl production. In a preferred embodiment the matrix solution includes zinc chloride in various stages of hydration and an oxygen containing gas is added to the mix. A method where the improvement is the mixing of a liquor and a matrix solution where the solution assists hydrolysis of the metal with HCl production is also disclosed. The reactor is a column reactor in a preferred embodiment. Further disclosed is the method of using the matrix solution and a reactor for recovering hydrochloric acid and for oxidizing/hydrolysis of a metal.
13 Hollow nanocrystals and method of making US10599252 2004-10-12 US07972437B2 2011-07-05 A. Paul Alivisatos; Yadong Yin; Can Kerem Erdonmez
Described herein are hollow nanocrystals having various shapes that can be produced by a simple chemical process. The hollow nanocrystals described herein may have a shell as thin as 0.5 nm and outside diameters that can be controlled by the process of making.
14 Nickel recovery process US851087 1977-11-14 US4131641A 1978-12-26 Milton S. Brown; Richard M. Burch; Guy M. Warth
Disclosed is a process for the recovery of nickel from nickel-containing wastes, which comprises the steps of slurrying the waste with a nickel brine solution; reacting the slurry by addition of an oxidizing agent solution, followed by anhydrous hydrogen chloride to obtain a nickel chloride containing reaction mixture; and, filtering the reaction mix to obtain the nickel chloride solution.
15 Process for the production of high-purity metals from nickeliferous mattes US41953373 1973-11-28 US3871978A 1975-03-18 GANDON LOUIS; LEMARINEL ROBERT
In a method for producing high-purity nickel from impure nickel matte containing cobalt and other impurities including communiting and roasting the impure matte; dissolving the resulting impure nickel oxide in concentrated hydrochloric acid; oxidizing the iron in the resulting solution to the ferric state, removing the impurities from the solution by means of ionexchange resin to produce a purified nickel chloride solution and selectively eluting the impurities to recover a cobalt chloride solution; and subjecting the purified nickel chloride solution to an electrolysis to recover high-purity nickel, the improvement in which the ion-exchange resin containing the impurities is eluted by means of approximately decinormal hydrochloric acid, the eluate is concentrated and then placed in contact consecutively with a first organic solvent to extract iron and a second organic solvent to extract cobalt, the first organic solvent is washed, decanted and then subjected to iron re-extraction, and the second organic extraction is washed, decanted and then subjected to cobalt re-extraction.
16 Method for producing high-purity nickel from sulfidized concentrates US25629072 1972-05-24 US3840446A 1974-10-08 GANDON L; BOZEC C; LENOBLE P
1. A METHOD FOR THE PRODUCTION OF HIGH-PURITY NICKEL FROM A SULPHIDE CONCENTRATE COMPRISING THE FOLLOWING SUCCESSIVE STEPS: (A) DRYING SAID SULPHIDE CONCENTRATE AND ROASTING IT AT A TEMPERATURE OF ABOUT 900*C., THEREBY PRODUCING SULFUROUS GAS, (b) DISSOLVING THE ROASTED PRODUCT IN HYDROCHLORIC ACID, (C) OXIDIZING THE IRON CONTAINED IN THE IMPURE NICKEL CHLORIDE SOLUTION RESULTING FROM STEP (B), (D) ELIMINATING THE IMPURITIES FROM THE NICKEL CHLORIDE SOLUTION ON A STRONGLY BASIC ANION-EXCHANGE RESIN OF THE QUATERNARY AMMONIUM TYPE, (E) NEUTRALIZING ANY EXCESS HYDROCHLORIC ACID, AND (F) ELECTROLYZING THE NICKEL CHLORIDE SOLUTION PURIFIED IN THE PRECEDING STEPS THEREBY PRODUCING GASEOUS CHLORINE AND HIGH-PURITY NICKEL, SAID PURIFICATION STEP (D) BEING CARRIED OUT USING TWO MAIN SETS OF RESIN COLUMNS MOUNTED IN SERIES, SAID MAIN SETS OF RESIN COLUMNS BEING SUBJECTED IN A CYCLIC MANNER TO REGENERATION BY RINSING THEM WITH HYDROCHLORIC ACID, BY ELUTING THEM WITH WATER, AND BY RESTORING THEM TO THEIR FORMER STATE USING A SOLUTION OF PURE NICKEL CHLORIDE, AND IN WHICH THE ELUTION SOLUTION OF THE FIRST OF SAID SECOND OF SAID SETS, THEN ADMIXED WITH ELUTION OF THE SECOND OF SAID SETS, THEN ADMIXED WITH HYDROCHLORIC ACID, PURIFIED ON AN AUXILLARY SET OF COLUMNS CONTAINING ANION-EXCHANGE RESIN AND THEN USED SUCCESSIVELY FOR RINSING THE SECOND ONE AND THEN THE FIRST ONE OF SAID MAIN SETS OF RESIN COLUMNS.
17 Method for producing high-purity nickel from nickel matte US25645672 1972-05-24 US3839168A 1974-10-01 GANDON L; BOZEC C; LENOBLE P
A method for producing high purity nickel from nickel matte comprising successively the following steps: comminuting and roasting said matte at a temperature near 900*C to obtain nickel oxide; dissolving this impure nickel oxide in concentrated hydrochloric acid; oxidating to the ferric state the iron which is contained in the impure solution resulting from the preceding step removing the impurities from this solution by means of ion exchange resin and eluting said impurities to recover cobalt; and subjecting said purified solution to an electrolysis to recover high-purity nickel.
18 Method of removing iron and cobalt from a partially refined nickel matte US3660026D 1969-05-09 US3660026A 1972-05-02 MICHEL FRANCIS; GANDON LOUIS; JEAN ROGER; FER PIERRE
A partially refined fused nickel matte is energetically and thoroughly washed with a chloridizing substance such as nickel chloride. The use of a chloridizing substance, which is preferred to an oxidizing agent as in the case of the usual treatment in a Bessemer converter, leads to a considerably improved selectivity in the refining of nickel mattes.
19 Process for the separation of impurities from nickel chloride solutions US3660020D 1970-08-07 US3660020A 1972-05-02 GANDON LOUIS; BOZEC CHRISTIAN; LENOBLE PHILIPPE
A process for the separation of metallic impurities, from aqueous nickel chloride solutions by selective liquid/liquid extraction between said aqueous phase containing the said metallic impurities in chloride form and an organic phase containing a trialkyl sulfonium chloride in the form of a solution in an organic diluent substantially immiscible with water, such that at least one of the said metallic valuables is selectively transferred from the aqueous phase to the organic phase, characterized by the fact that the said aqueous phase is substantially neutral and that it presents a total concentration in chloride ions equal at least to 7 gram equivalents/liter.
20 Preparation of anhydrous inorganic metal halides and organic complexes thereof US3471250D 1967-04-18 US3471250A 1969-10-07 LANGER HORST G
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