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1. 发明申请

WO2006045718A8 METHOD FOR CRYSTALLIZING SOLUBLE SALTS OF DIVALENT ANIONS FROM BRINE 审中-公开
标题翻译：用于结晶来自铜的多个阴离子的可溶性盐的方法
公开(公告)号：WO2006045718A8
公开(公告)日：2006-08-17
申请号：PCT/EP2005055340
申请日：2005-10-18
申请人： AKZO NOBEL NV , BARGEMAN GERRALD , DEMMER RENE LODEWIJK MARIA , KUZMANOVIC BORIS , VAN LARE CORNELIS ELIZABETH JO , MAYER MATEO JOZEF JACQUES , SCHUTYSER MAARTEN ANDRE IRENE , WESTERINK JAN BAREND
发明人： BARGEMAN GERRALD , DEMMER RENE LODEWIJK MARIA , KUZMANOVIC BORIS , VAN LARE CORNELIS ELIZABETH JO , MAYER MATEO JOZEF JACQUES , SCHUTYSER MAARTEN ANDRE IRENE , WESTERINK JAN BAREND
IPC分类号： C01D3/14 , C01D3/16 , C01D5/00 , C01D7/00
CPC分类号： C01D3/14 , C01D3/16 , C01D5/00 , C01D7/00 , C02F1/44 , C02F1/442 , C02F1/52 , C02F1/66 , C02F9/00 , C02F2001/5218 , C02F2101/10 , C02F2101/16 , C02F2103/08 , Y02A20/131
摘要： The invention pertains to removing soluble alkali metal or ammonium salt of a divalent anion from brine comprising following steps: obtaining brine with NaCl-concentration between 150g/L and saturation in the presence or absence of a crystal growth inhibitor for NaCl (CGI-NaCl), or with NaCl concentration above saturation in the presence of a CGI-NaCl, said brine optionally comprising a crystal growth inhibitor for the alkali metal or ammonium salt of the divalent anion (CGI-DA) ; if necessary, acidifying the solution to pH
摘要翻译：本发明涉及从盐水中除去二价阴离子的可溶性碱金属盐或铵盐，包括以下步骤：在NaCl（CGI-NaCl）存在或不存在晶体生长抑制剂的情况下，获得NaCl浓度在150g / L之间的饱和盐水，或者在CGI-NaCl存在下NaCl浓度高于饱和，所述盐水任选地包含用于二价阴离子（CGI-DA）的碱金属或铵盐的晶体生长抑制剂; 如果需要，将溶液酸化至pH <11.5; 如果CGI-DA的浓度小于20mg / L，则加入CGI-DA获得至少20mg的CGI-DA / L; 对溶液进行膜过滤; 如果分离浓缩物中CGI-DA的浓度小于20mg / L，则加入CGI-DA获得至少20mg CGI-DA / L; 使浓缩物结晶; 除去二价阴离子的结晶的碱金属盐或铵盐。

2. 发明申请

WO2005121411A2 PROCESS FOR PREVENTING MEMBRANE DEGENERATION USING COMPLEXING AGENTS 审中-公开
标题翻译：使用复合剂防止膜变性的方法
公开(公告)号：WO2005121411A2
公开(公告)日：2005-12-22
申请号：PCT/EP2005/052541
申请日：2005-06-02
申请人： AKZO NOBEL N.V. , BARGEMAN, Gerrald , DEMMER, René Lodewijk Maria , GEERTMAN, Robert Michael , GIATTI, Anna , MAYER, Mateo Jozef Jacques , BERGEVOET, Roberto Aloysius Gerardus Maria
发明人： BARGEMAN, Gerrald , DEMMER, René Lodewijk Maria , GEERTMAN, Robert Michael , GIATTI, Anna , MAYER, Mateo Jozef Jacques , BERGEVOET, Roberto Aloysius Gerardus Maria
IPC分类号： C25B13/00
CPC分类号： C25B1/46 , C01D3/145 , C02F1/46104 , C02F1/683 , C02F5/10 , C02F2201/46115 , C02F2201/46185 , C25B1/34 , C25B13/00 , C25B15/08
摘要： Membrane cell electrolysis process to prepare chlorine from an aqueous salt solution comprising the steps of dissolving a sodium chloride source in water to form an aqueous salt solution comprising sodium chloride, and dosing one or more degeneration reducing agents selected from the group consisting of monosaccharides, oligosaccharides, polysaccharides, polycarboxylic acids, polyacrylates, polymaleic acids, and derivatives thereof to said aqueous salt solution in a total amount of, on average, between 0.1 mg and 1,000 mg per litre of aqueous salt solution at a stage of the electrolysis process where the amount of active chlorine dissolved in said aqueous salt solution is less than 1.5 g per litre of aqueous salt solution and/or to the membrane cells, in order to reduce fouling and/or clogging of the membrane in said membrane cell.
摘要翻译：一种从盐水溶液中制备氯的膜电解电解方法，包括以下步骤：将氯化钠源溶于水中以形成含氯化钠的盐水溶液，并给予一种或多种选自单糖，寡糖的降解剂，多糖，多元羧酸，聚丙烯酸酯，聚马来酸及其衍生物，在电解过程中，平均每升盐水溶液的平均浓度为0.1mg至1,000mg之间，其量为溶解在所述盐水溶液中的活性氯的含量小于1.5g / l盐水溶液和/或膜细胞，以便减少所述膜池中的膜的结垢和/或堵塞。

3. 发明申请

WO2012175229A1 PROCESS FOR SEPARATING MONOCHLOROACETIC ACID AND DICHLOROACETIC ACID VIA EXTRACTIVE DISTILLATION 审中-公开
标题翻译：通过萃取蒸馏分离单氯酸和二氯酸的方法
公开(公告)号：WO2012175229A1
公开(公告)日：2012-12-27
申请号：PCT/EP2012/054310
申请日：2012-03-13
申请人： AKZO NOBEL CHEMICALS INTERNATIONAL B.V. , JONGMANS, Mark Theodorus Gerardus , PRAGT, Johannes Josef , BARGEMAN, Gerrald , SCHUUR, Boelo , AALDERING, Jacobus Theodorus Josef , DE HAAN, André Banier , NIEUWHOF, Melle Rinze , VERWER, Paul , KISS, Anton Alexandru , TEN KATE, Antoon Jacob Berend , VAN STRIEN, Cornelis Johannes Govardus
发明人： JONGMANS, Mark Theodorus Gerardus , PRAGT, Johannes Josef , BARGEMAN, Gerrald , SCHUUR, Boelo , AALDERING, Jacobus Theodorus Josef , DE HAAN, André Banier , NIEUWHOF, Melle Rinze , VERWER, Paul , KISS, Anton Alexandru , TEN KATE, Antoon Jacob Berend , VAN STRIEN, Cornelis Johannes Govardus
IPC分类号： C07C51/44 , C07C51/46 , C07C51/48 , C07C53/16
CPC分类号： C07C51/50 , C07C51/44 , C07C51/46 , C07C51/48 , C07C51/62 , C07C53/16
摘要： The present invention pertains to a process for separating monochloroacetic acid and dichloroacetic acid from one another via extractive distillation, comprising the steps of (i) contacting a mixture comprising monochloroacetic acid and dichloroacetic acid with an extractive agent which is chemically stable and which hasa BF 3 affinity of between 65 kJ/mole and 110 kJ/mole, (ii) distilling the mixture to obtain a monochloroacetic acid stream and a stream comprising dichloroacetic acid and the extractive agent, and (iii) regenerating the extractive agent.
摘要翻译：本发明涉及通过萃取蒸馏将一氯乙酸和二氯乙酸彼此分离的方法，其包括以下步骤：（i）使包含一氯乙酸和二氯乙酸的混合物与化学稳定并具有BF 3亲和力的萃取剂（ii）蒸馏混合物以获得一氯乙酸流和包含二氯乙酸和萃取剂的料流，和（iii）再生萃取剂。

4. 发明申请

WO2011092270A2 PROCESS FOR PREPARING EPICHLOROHYDRIN FROM DICHLOROHYDRIN 审中-公开
标题翻译：从二氯乙锭制备二氢氯仿的方法
公开(公告)号：WO2011092270A2
公开(公告)日：2011-08-04
申请号：PCT/EP2011/051182
申请日：2011-01-28
申请人： AKZO NOBEL CHEMICALS INTERNATIONAL B.V. , TEN KATE, Antoon, Jacob, Berend , BARGEMAN, Gerrald , KOOLAARD, André, Michiel , BAKS, Tim
发明人： TEN KATE, Antoon, Jacob, Berend , BARGEMAN, Gerrald , KOOLAARD, André, Michiel , BAKS, Tim
IPC分类号： B01D61/02
CPC分类号： C07D301/26 , B01D61/027 , B01D61/145 , B01D2311/04 , B01D2311/06 , B01D2311/25 , B01D2313/90 , C07D301/32 , B01D2311/263
摘要： The present invention relates to a process for preparing a product rich in epichlorohydrin comprising the steps of (a) reacting a mixture of dichlorohydrins and a base at a temperature in the range from 0-65°C and during a period of time in the range from 1 second to 180 minutes to obtain an epichlorohydrin-containing reaction mixture comprising two liquid phases,and (b) subjecting at least part of said reaction mixture as obtained in step a) to a membrane separation process driven by a pressure gradient wherein the mixture is separated into a first stream which is rich in epichlorohydrin and a second stream which is lean in epichlorohydrin.
摘要翻译：本发明涉及一种制备富含表氯醇的产物的方法，包括以下步骤：（a）在0-65℃的温度范围内和二氯代醇与碱的混合物在一定范围内 1秒至180分钟以获得包含两个液相的含表氯醇的反应混合物，和（b）将由步骤a）获得的至少部分所述反应混合物进行由压力梯度驱动的膜分离过程，其中混合物被分离成富含表氯醇的第一料流和稀的表氯醇中的第二料流。

5. 发明申请

WO2006045795A3 PROCESSES INVOLVING THE USE OF ANTISOLVENT CRYSTALLIZATION 审中-公开
标题翻译：涉及使用抗结晶的方法
公开(公告)号：WO2006045795A3
公开(公告)日：2006-11-09
申请号：PCT/EP2005055527
申请日：2005-10-25
申请人： AKZO NOBEL NV , BARGEMAN GERRALD , DEMMER RENE LODEWIJK MARIA , TEN KATE ANTOON , KUZMANOVIC BORIS , VAN LARE CORNELIS ELIZABETH JO , MAYER MATEO JOZEF JACQUES , SCHUTYSER MAARTEN ANDRE IRENE , VAN STRIEN CORNELIS JOHANNES G
发明人： BARGEMAN GERRALD , DEMMER RENE LODEWIJK MARIA , TEN KATE ANTOON , KUZMANOVIC BORIS , VAN LARE CORNELIS ELIZABETH JO , MAYER MATEO JOZEF JACQUES , SCHUTYSER MAARTEN ANDRE IRENE , VAN STRIEN CORNELIS JOHANNES G
IPC分类号： C01D3/16 , C01D3/06
CPC分类号： C01D3/16 , C01D3/06
摘要： The present invention pertains to a process involving the use of an antisolvent comprising the steps of - feeding water to a salt source to form an aqueous solution comprising said salt if the salt source is not yet in the form of an aqueous salt solution, - feeding said aqueous solution to a crystallizer/settler, - contacting said aqueous solution with one or more antisolvents which force the salt to at least partly crystallize, with one or more crystal growth inhibitors being present in the antisolvents and/or in the aqueous solution, and/or one or more scaling inhibitors being present in the antisolvents and/or in the aqueous solution, - subjecting an overflow of the crystallizer/settler comprising one or more antisolvents and an aqueous salt solution to a separation step wherein one or more antisolvents are separated from the aqueous salt solution by one or more techniques selected from the group consisting of adsorption, ion-exchange, a temperature change induced phase split, a pH change induced phase split, a complexation induced phase split, a pressure induced phase split, evaporation, and extraction, optionally in combination with a nanofiltration step, - removing the crystallized salt from the crystallizer/settler in an aqueous slurry, - optionally, recycling the one or more antisolvents to the crystallizer/settler, and - optionally, recycling mother liquor from the slurry to the first dissolution step and/or to the crystallizer/settler. Preferably, the process is a closed loop process and the salt is sodium chloride. Preferably, the process further comprises a reverse osmosis step before the overflow of the crystallizer/settler is subjected to the separation step.
摘要翻译：本发明涉及一种涉及使用抗溶剂的方法，包括以下步骤：如果盐源不是盐水溶液的形式，则将水送入盐源以形成包含所述盐的水溶液， - 进料将所述水溶液与所述结晶器/沉淀器接触， - 使所述水溶液与一种或多种使溶液至少部分结晶的抗溶剂接触，一种或多种晶体生长抑制剂存在于反溶剂和/或水溶液中，以及 /或一种或多种防垢剂存在于抗溶剂和/或水溶液中; - 将包含一种或多种抗溶剂和盐水溶液的结晶器/沉降器的溢流物经受分离步骤，其中分离出一种或多种抗溶剂通过一种或多种选自吸附，离子交换，温度变化诱导相分裂，pH值任选地与纳滤方法组合， - 以水性浆液从结晶器/沉降器中除去结晶的盐， - 任选地，循环使用向结晶器/沉降器中提供一种或多种抗溶剂，以及 - 任选地将母液从浆料再循环到第一溶解步骤和/或将结晶器/沉降器循环。优选地，该方法是闭环方法，盐是氯化钠。优选地，该方法还包括在结晶器/沉降器的溢流进行分离步骤之前的反渗透步骤。

6. 发明申请

WO2004096405A1 ANTISOLVENT SOLIDIFICATION PROCESS 审中-公开
标题翻译：抗菌固化工艺
公开(公告)号：WO2004096405A1
公开(公告)日：2004-11-11
申请号：PCT/EP2004/004506
申请日：2004-04-28
申请人： AKZO NOBEL N.V. , BAKKER, Wridzer, Jan, Willem , GEERTMAN, Robert, Michael , REEDIJK, Marianne, Frederika , BALTUSSEN, Jozef, Johannes, Maria , BARGEMAN, Gerrald , VAN LARE, Cornelis, Elizabeth, Johannus
发明人： BAKKER, Wridzer, Jan, Willem , GEERTMAN, Robert, Michael , REEDIJK, Marianne, Frederika , BALTUSSEN, Jozef, Johannes, Maria , BARGEMAN, Gerrald , VAN LARE, Cornelis, Elizabeth, Johannus
IPC分类号： B01D9/00
CPC分类号： B01D9/0063 , A61K9/14 , A61K9/1688 , A61K31/57 , B01D9/005 , C01D3/24 , C07J1/00 , C07J7/0005 , C07J7/0045
摘要： The present invention relates to a antisolvent solidification process wherein a liquid medium comprising at least one organic or inorganic compound which is to be solidified is forced through a membrane into one or more antisolvents, or wherein one or more antisolvents are forced through a membrane into a liquid medium comprising at least one organic or inorganic compound which is to be solidified, yielding a composition comprising solid particles comprising said organic and/or inorganic compound(s).
摘要翻译：本发明涉及一种抗溶剂固化方法，其中包含至少一种待固化的有机或无机化合物的液体介质被迫通过膜进入一种或多种抗溶剂，或其中一种或多种抗溶剂被迫通过膜进入包含至少一种待固化的有机或无机化合物的液体介质，产生包含所述有机和/或无机化合物的固体颗粒的组合物。

7. 发明申请

WO2011092270A3 PROCESS FOR PREPARING EPICHLOROHYDRIN FROM DICHLOROHYDRIN 审中-公开
标题翻译：从二氯乙锭制备二氢氯仿的方法
公开(公告)号：WO2011092270A3
公开(公告)日：2012-03-01
申请号：PCT/EP2011051182
申请日：2011-01-28
申请人： AKZO NOBEL CHEMICALS INT BV , TEN KATE ANTOON JACOB BEREND , BARGEMAN GERRALD , KOOLAARD ANDRE MICHIEL , BAKS TIM
发明人： TEN KATE ANTOON JACOB BEREND , BARGEMAN GERRALD , KOOLAARD ANDRE MICHIEL , BAKS TIM
IPC分类号： B01D61/02 , B01D61/14 , C07D301/26 , C07D301/32
CPC分类号： C07D301/26 , B01D61/027 , B01D61/145 , B01D2311/04 , B01D2311/06 , B01D2311/25 , B01D2313/90 , C07D301/32 , B01D2311/263
摘要： The present invention relates to a process for preparing a product rich in epichlorohydrin comprising the steps of (a) reacting a mixture of dichlorohydrins and a base at a temperature in the range from 0-65°C and during a period of time in the range from 1 second to 180 minutes to obtain an epichlorohydrin-containing reaction mixture comprising two liquid phases,and (b) subjecting at least part of said reaction mixture as obtained in step a) to a membrane separation process driven by a pressure gradient wherein the mixture is separated into a first stream which is rich in epichlorohydrin and a second stream which is lean in epichlorohydrin.
摘要翻译：本发明涉及一种制备富含表氯醇的产物的方法，包括以下步骤：（a）在0-65℃的温度范围内和二氯代醇与碱的混合物在一定范围内 1秒至180分钟以获得包含两个液相的含表氯醇的反应混合物，和（b）将由步骤a）获得的至少部分所述反应混合物进行由压力梯度驱动的膜分离过程，其中混合物被分离成富含表氯醇的第一料流和稀的表氯醇中的第二料流。

8. 发明申请

WO2005121411A3 PROCESS FOR PREVENTING MEMBRANE DEGENERATION USING COMPLEXING AGENTS 审中-公开
标题翻译：使用复合剂防止膜变性的方法
公开(公告)号：WO2005121411A3
公开(公告)日：2006-06-08
申请号：PCT/EP2005052541
申请日：2005-06-02
申请人： AKZO NOBEL NV , BARGEMAN GERRALD , DEMMER RENE LODEWIJK MARIA , GEERTMAN ROBERT MICHAEL , GIATTI ANNA , MAYER MATEO JOZEF JACQUES , BERGEVOET ROBERTO ALOYSIUS GER
发明人： BARGEMAN GERRALD , DEMMER RENE LODEWIJK MARIA , GEERTMAN ROBERT MICHAEL , GIATTI ANNA , MAYER MATEO JOZEF JACQUES , BERGEVOET ROBERTO ALOYSIUS GER
IPC分类号： C25B13/00 , B01D61/52 , C01D3/14 , C02F1/461 , C02F1/68 , C02F5/10 , C25B1/34 , C25B15/00 , C25B15/08
CPC分类号： C25B1/46 , C01D3/145 , C02F1/46104 , C02F1/683 , C02F5/10 , C02F2201/46115 , C02F2201/46185 , C25B1/34 , C25B13/00 , C25B15/08
摘要： Membrane cell electrolysis process to prepare chlorine from an aqueous salt solution comprising the steps of dissolving a sodium chloride source in water to form an aqueous salt solution comprising sodium chloride, and dosing one or more degeneration reducing agents selected from the group consisting of monosaccharides, oligosaccharides, polysaccharides, polycarboxylic acids, polyacrylates, polymaleic acids, and derivatives thereof to said aqueous salt solution in a total amount of, on average, between 0.1 mg and 1,000 mg per litre of aqueous salt solution at a stage of the electrolysis process where the amount of active chlorine dissolved in said aqueous salt solution is less than 1.5 g per litre of aqueous salt solution and/or to the membrane cells, in order to reduce fouling and/or clogging of the membrane in said membrane cell.
摘要翻译：一种从盐水溶液中制备氯的膜电解电解方法，包括以下步骤：将氯化钠源溶于水中以形成含氯化钠的盐水溶液，并给予一种或多种选自单糖，寡糖的降解剂，多糖，多元羧酸，聚丙烯酸酯，聚马来酸及其衍生物，在电解过程中，平均每升盐水溶液的平均浓度为0.1mg至1,000mg之间，其量为溶解在所述盐水溶液中的活性氯的含量小于1.5g / l盐水溶液和/或膜细胞，以便减少所述膜池中的膜的结垢和/或堵塞。

9. 发明申请

WO2006045795A2 PROCESSES INVOLVING THE USE OF ANTISOLVENT CRYSTALLIZATION 审中-公开
标题翻译：涉及使用抗溶剂结晶的过程
公开(公告)号：WO2006045795A2
公开(公告)日：2006-05-04
申请号：PCT/EP2005/055527
申请日：2005-10-25
申请人： AKZO NOBEL N.V. , BARGEMAN, Gerrald , DEMMER, René, Lodewijk, Maria , TEN KATE, Antoon , KUZMANOVIC, Boris , VAN LARE, Cornelis, Elizabeth, Johannus , MAYER, Mateo, Jozef, Jacques , SCHUTYSER, Maarten, André, Irène , VAN STRIEN, Cornelis, Johannes, Govardus
发明人： BARGEMAN, Gerrald , DEMMER, René, Lodewijk, Maria , TEN KATE, Antoon , KUZMANOVIC, Boris , VAN LARE, Cornelis, Elizabeth, Johannus , MAYER, Mateo, Jozef, Jacques , SCHUTYSER, Maarten, André, Irène , VAN STRIEN, Cornelis, Johannes, Govardus
CPC分类号： C01D3/16 , C01D3/06
摘要： The present invention pertains to a process involving the use of an antisolvent comprising the steps of - feeding water to a salt source to form an aqueous solution comprising said salt if the salt source is not yet in the form of an aqueous salt solution, - feeding said aqueous solution to a crystallizer/settler, - contacting said aqueous solution with one or more antisolvents which force the salt to at least partly crystallize, with one or more crystal growth inhibitors being present in the antisolvents and/or in the aqueous solution, and/or one or more scaling inhibitors being present in the antisolvents and/or in the aqueous solution, - subjecting an overflow of the crystallizer/settler comprising one or more antisolvents and an aqueous salt solution to a separation step wherein one or more antisolvents are separated from the aqueous salt solution by one or more techniques selected from the group consisting of adsorption, ion-exchange, a temperature change induced phase split, a pH change induced phase split, a complexation induced phase split, a pressure induced phase split, evaporation, and extraction, optionally in combination with a nanofiltration step, - removing the crystallized salt from the crystallizer/settler in an aqueous slurry, - optionally, recycling the one or more antisolvents to the crystallizer/settler, and - optionally, recycling mother liquor from the slurry to the first dissolution step and/or to the crystallizer/settler. Preferably, the process is a closed loop process and the salt is sodium chloride. Preferably, the process further comprises a reverse osmosis step before the overflow of the crystallizer/settler is subjected to the separation step.
摘要翻译：本发明涉及涉及使用抗溶剂的方法，所述方法包括以下步骤： - 如果盐源尚未处于形式，则将水供给至盐源以形成包含所述盐的水溶液 - 将所述水溶液加入结晶器/沉降器中， - 将所述水溶液与一种或多种抗溶剂接触，所述抗溶剂迫使盐至少部分结晶，其中一种或多种晶体生长抑制剂存在于抗溶剂中，和 /或在水溶液中，和/或一种或多种结垢抑制剂存在于抗溶剂和/或水溶液中， - 使包含一种或多种抗溶剂和盐水溶液的结晶器/沉降器的溢流经受分离其中通过选自以下的一种或多种技术从盐水溶液中分离出一种或多种抗溶剂：吸附，离子交换，温度变化诱导的相分离，pH变化诱导相分离，络合诱导相分离，压力诱导相分离，蒸发和萃取，任选地与纳米过滤步骤组合， - 在含水浆液中从结晶器/沉降器中除去结晶盐， - 任选地，将所述一种或多种反溶剂再循环至结晶器/沉降器，以及 - 任选地将母液从淤浆循环至第一溶解步骤和/或结晶器/沉降器。优选地，该过程是闭环过程并且盐是氯化钠。优选地，该方法还包括在结晶器/沉降器溢流进行分离步骤之前的反渗透步骤。

10. 发明申请

WO2006045718A1 METHOD FOR CRYSTALLIZING SOLUBLE SALTS OF DIVALENT ANIONS FROM BRINE 审中-公开
标题翻译：用于结晶来自铜的多个阴离子的可溶性盐的方法
公开(公告)号：WO2006045718A1
公开(公告)日：2006-05-04
申请号：PCT/EP2005/055340
申请日：2005-10-18
申请人： Akzo Nobel N.V. , BARGEMAN, Gerrald , DEMMER, René Lodewijk Maria , KUZMANOVIC, Boris , VAN LARE, Cornelis Elizabeth Johannus , MAYER, Mateo Jozef Jacques , SCHUTYSER, Maarten André Irène , WESTERINK, Jan Barend
发明人： BARGEMAN, Gerrald , DEMMER, René Lodewijk Maria , KUZMANOVIC, Boris , VAN LARE, Cornelis Elizabeth Johannus , MAYER, Mateo Jozef Jacques , SCHUTYSER, Maarten André Irène , WESTERINK, Jan Barend
IPC分类号： C01D3/14 , C01D3/16 , C01D5/00 , C01D7/00
CPC分类号： C01D3/14 , C01D3/16 , C01D5/00 , C01D7/00 , C02F1/44 , C02F1/442 , C02F1/52 , C02F1/66 , C02F9/00 , C02F2001/5218 , C02F2101/10 , C02F2101/16 , C02F2103/08 , Y02A20/131
摘要： The invention pertains to removing alkai metal or ammonium salt of a divalent anion from brine comprising following steps: -obtaining brine with NaCI-concentration between 150g/L and saturation in the precence or absence of a crystal growth inhibitor for NaCI (CGI-NaCI) , or with NaCI concentration above saturation in the presence of a CGI-NaCI, said brine optionally comprising a crystal growth inhibitor for the alkali metal or ammonium salt of the divalent anion (CGI-DA) ; -acidifying the solution to pH
摘要翻译：本发明涉及从盐水中除去二价阴离子的烷基金属盐或铵盐，其包括以下步骤： - 将钠盐浓度在150g / L之间的盐水和NaCI（CGI-NaCl）的晶体生长抑制剂的固化或不存在下饱和，或者在CGI-NaCl存在下NaCl浓度高于饱和，所述盐水任选地包含用于二价阴离子（CGI-DA）的碱金属或铵盐的晶体生长抑制剂; - 将溶液酸化至pH <11.5; - 如果CGI-DA的浓度小于20mg / L，则加入CGI-DA以获得至少20mg CGI-DA / L - 将该溶液灌注到膜过滤中; - 如果分离浓缩物中CGI-DA的浓度小于20mg / L，则加入CGI-DA获得至少20mg CGI-DA / L; 使浓缩物结晶; - 去除二价阴离子的结晶的碱金属盐或铵盐。

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