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1. 发明授权

US5405507A Electrolytic treatment of an electrolytic solution 失效
标题翻译：电解处理电解液
公开(公告)号：US5405507A
公开(公告)日：1995-04-11
申请号：US67918
申请日：1993-05-27
申请人： Jeries I. Bishara , James R. Brannan , Roland J. Horvath , Anthony R. Sacco , Jean M. Hinden
发明人： Jeries I. Bishara , James R. Brannan , Roland J. Horvath , Anthony R. Sacco , Jean M. Hinden
IPC分类号： C25D21/16 , C25D21/20
CPC分类号： C25D21/16 , C25D21/20 , Y10S204/13
摘要： Methods, and various apparatus therefor, are disclosed for the electrolytic treatment of an acidic solution. Generally the method comprises: (a) providing an electrolytic cell, the cell comprising: (i) an anode chamber and an anode therein; (ii) a cathode chamber and a cathode therein; and (iii) a diaphragm. Usually the diaphragm is of a non-isotropic fibrous mat comprising 5-70 weight percent organic halocarbon polymer fiber in adherent combination with about 30-95 weight percent of finely divided inorganic particulate impacted into said fiber during fiber formation, the diaphragm having a weight per unit of surface area of about 3-12 kilograms per square meter. The method can continue by (b) introducing the acidic solution into the cell; (c) impressing a current on the anode and the cathode causing the migration of ions through the diaphragm; and (d) recovering a product of the electrolytic treatment from the anode chamber, or the cathode chamber, or from both chambers. In one method, the acidic solution is a cell bath circulated to the anode chamber, while rinse solution downstream of the cell bath is circulated to the cathode chamber. The method, and apparatus therefor, are particularly applicable to the recovery of hexavalent chromium from a dilute chromium electroplating rinse solution.
摘要翻译：公开了用于电解处理酸性溶液的方法及其各种设备。通常，该方法包括：（a）提供电解池，所述电池包括：（i）阳极室和阳极; （ii）阴极室和阴极; 和（iii）隔膜。通常，隔膜是非均质纤维垫，其包含5-70重量％的有机卤化碳聚合物纤维，其粘合组合与约30-95重量％的在纤维形成期间冲击到所述纤维中的细碎无机颗粒，隔膜具有重量单位面积约3-12公斤每平方米。该方法可以通过（b）将酸性溶液引入细胞中来继续进行; （c）在阳极和阴极上施加电流，导致离子迁移通过隔膜; 和（d）从阳极室或阴极室或从两个室回收电解处理的产物。在一种方法中，酸性溶液是循环到阳极室的细胞浴，而细胞浴下游的漂洗溶液循环到阴极室。该方法及其装置特别适用于从稀镀铬电镀冲洗溶液中回收六价铬。

2. 发明授权

US5593627A Electrolytic treatment of an electrolytic solution 失效
标题翻译：电解处理电解液
公开(公告)号：US5593627A
公开(公告)日：1997-01-14
申请号：US534683
申请日：1995-09-27
申请人： Jeries I. Bishara , James R. Brannan , Roland J. Horvath , Anthony R. Sacco , Jean M. Hinden
发明人： Jeries I. Bishara , James R. Brannan , Roland J. Horvath , Anthony R. Sacco , Jean M. Hinden
IPC分类号： C25D21/16 , C25D21/20 , B27J5/00
CPC分类号： C25D21/16 , C25D21/20 , Y10S204/13
摘要： Methods, and various apparatus therefor, are disclosed for the electrolytic treatment of an acidic solution. Generally the method comprises: (a) providing an electrolytic cell, the cell comprising: (i) an anode chamber and an anode therein; (ii) a cathode chamber and a cathode therein; and (iii) a diaphragm. Usually the diaphragm is of a non-isotropic fibrous mat comprising 5-70 weight percent organic halocarbon polymer fiber in adherent combination with about 30-95 weight percent of finely divided inorganic particulate impacted into said fiber during fiber formation, the diaphragm having a weight per unit of surface area of about 3-12 kilograms per square meter. The method can continue by (b) introducing the acidic solution into the cell; (c) impressing a current on the anode and the cathode causing the migration of ions through the diaphragm; and (d) recovering a product of the electrolytic treatment from the anode chamber, or the cathode chamber, or from both chambers. In one method, the acidic solution is a cell bath circulated to the anode chamber, while rinse solution downstream of the cell bath is circulated to the cathode chamber. The method, and apparatus therefor, are particularly applicable to the recovery of hexavalent chromium from a dilute chromium electroplating rinse solution.
摘要翻译：公开了用于电解处理酸性溶液的方法及其各种设备。通常，该方法包括：（a）提供电解池，所述电池包括：（i）阳极室和阳极; （ii）阴极室和阴极; 和（iii）隔膜。通常，隔膜是非均质纤维垫，其包含5-70重量％的有机卤化碳聚合物纤维，其粘合组合与约30-95重量％的在纤维形成期间冲击到所述纤维中的细碎无机颗粒，隔膜具有重量单位面积约3-12公斤每平方米。该方法可以通过（b）将酸性溶液引入细胞中来继续进行; （c）在阳极和阴极上施加电流，导致离子迁移通过隔膜; 和（d）从阳极室或阴极室或从两个室回收电解处理的产物。在一种方法中，酸性溶液是循环到阳极室的细胞浴，而细胞浴下游的漂洗溶液循环到阴极室。该方法及其装置特别适用于从稀镀铬电镀冲洗溶液中回收六价铬。

3. 发明授权

US5827411A Apparatus for electrolytic treatment of an electrolytic solution 失效
标题翻译：电解液电解处理装置
公开(公告)号：US5827411A
公开(公告)日：1998-10-27
申请号：US716821
申请日：1996-09-10
申请人： Jeries I. Bishara , Roland J. Horvath , Anthony R. Sacco , Jean M. Hinden
发明人： Jeries I. Bishara , Roland J. Horvath , Anthony R. Sacco , Jean M. Hinden
IPC分类号： C25D21/16 , C25D21/20 , C25B9/00
CPC分类号： C25D21/16 , C25D21/20 , Y10S204/13
摘要： Methods, and various apparatus therefor, are disclosed for the electrolytic treatment of an acidic solution. Generally the method comprises: (a) providing an electrolytic cell, the cell comprising: (i) an anode chamber and an anode therein; (ii) a cathode chamber and a cathode therein; and (iii) a diaphragm. Usually the diaphragm is of a non-isotropic fibrous mat comprising 5-70 weight percent organic halocarbon polymer fiber in adherent combination with about 30-95 weight percent of finely divided inorganic particulate impacted into said fiber during fiber formation, the diaphragm having a weight per unit of surface area of about 3-12 kilograms per square meter. The method can continue by (b) introducing the acidic solution into the cell; (c) impressing a current on the anode and the cathode causing the migration of ions through the diaphragm; and (d) recovering a product of the electrolytic treatment from the anode chamber, or the cathode chamber, or from both chambers. In one method, the acidic solution is a cell bath circulated to the anode chamber, while rinse solution downstream of the cell bath is circulated to the cathode chamber. The method, and apparatus therefor, are particularly applicable to the recovery of hexavalent chromium from a dilute chromium electroplating rinse solution.
摘要翻译：公开了用于电解处理酸性溶液的方法及其各种设备。通常，该方法包括：（a）提供电解池，所述电池包括：（i）阳极室和阳极; （ii）阴极室和阴极; 和（iii）隔膜。通常，隔膜是非均质纤维垫，其包含5-70重量％的有机卤化碳聚合物纤维，其粘合组合与约30-95重量％的在纤维形成期间冲击到所述纤维中的细碎无机颗粒，隔膜具有重量单位面积约3-12公斤每平方米。该方法可以通过（b）将酸性溶液引入细胞中来继续进行; （c）在阳极和阴极上施加电流，导致离子迁移通过隔膜; 和（d）从阳极室或阴极室或从两个室回收电解处理的产物。在一种方法中，酸性溶液是循环到阳极室的细胞浴，而细胞浴下游的漂洗溶液循环到阴极室。该方法及其装置特别适用于从稀镀铬电镀冲洗溶液中回收六价铬。

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