公开(公告)号：US4545873A

公开(公告)日：1985-10-08

申请号：US456895

申请日：1983-01-10

Applicant: Colin C. Blake ,  Paul A. Bacon

Inventor： Colin C. Blake ,  Paul A. Bacon

IPC: B01J3/03 ,  C23F13/00 ,  C25C7/06 ,  C25C1/20 ,  C25D17/00 ,  C25D21/10

CPC classification number: C23F13/005 ,  C25C7/06

Abstract: The rotating shaft is sealingly mounted in a wall of the vessel by a liquid-tight lip seal. In order to avoid undesired depositions on the seal the latter is made of electroconductive material and connected to the anode of a source of electricity the cathode of which is connected to a counter-electrode within the vessel.

Abstract translation: 旋转轴通过液密唇密封件密封地安装在容器的壁中。 为了避免在密封件上的不期望的沉积，后者由导电材料制成并连接到电源的阳极，阴极的电极连接到容器内的对电极。

公开(公告)号：US4211630A

公开(公告)日：1980-07-08

申请号：US32813

申请日：1979-04-23

Applicant: Colin C. Blake ,  Ivan C. Payne

Inventor： Colin C. Blake ,  Ivan C. Payne

IPC: C25C1/20 ,  C25C7/06 ,  G03C5/38 ,  G05D11/08

CPC classification number: C25C7/06 ,  C25C1/20 ,  Y10T137/2509

Abstract: This invention relates to the recovering of metallic silver from photographical bleach-fix baths. An electric current is passed through a bleach-fix solution containing silver ions and ferric ions, which solution has been brought to a predetermined redox potential by the addition of a reducing agent. The cathode is of the type wherein reduced silver ions can deposit thereon as metallic silver. The redox potential of the electrolyte solution is continuously monitored and a reducing agent is added automatically when the redox potential rises above a predetermined level. When the redox potential drops below a predetermined level the addition of the reducing agent is automatically stopped.

公开(公告)号：US4478714A

公开(公告)日：1984-10-23

申请号：US456871

申请日：1983-01-10

Applicant: Colin C. Blake ,  Charles C. O. Goodall ,  Paul A. Bacon

Inventor： Colin C. Blake ,  Charles C. O. Goodall ,  Paul A. Bacon

IPC: B01D29/27 ,  B01D35/12 ,  B01D29/10

CPC classification number: B01D35/12 ,  B01D29/27 ,  Y10T137/86879

Abstract: There is described a pressurized filtration system for removing suspended solids from a liquid which comprises two enclosed filter vessels each containing either a removable filter bag or cartridge. The vessels are located in parallel in the circulation line of a pump which pumps the liquid from a bulk storage vessel through only one filter vessel at a time, this being controlled by a valve system in the circulation line to the filter vessels. Liquid forced through the filter vessel in use is pumped to a liquid storage vessel via a non-return valve located in the outlet line from each vessel, the outlet from each vessel having a branch connection to a shuttle valve, the outlet from which is connected via a non-return valve to the suction side of the pump, whereby when liquid is being pumped through one vessel the shuttle valve is shut against the flow of liquid therethrough but is open on the other side so that the liquid can be sucked out of the other vessel.

Abstract translation: 描述了一种用于从液体中除去悬浮固体的加压过滤系统，其包括两个封闭的过滤容器，每个包含可移除的过滤袋或筒。 容器位于泵的循环管线中，泵的循环管线将液体从大容量存储容器中一次仅通过一个过滤器的容器，该流体管线由循环管线中的阀门系统控制到过滤器容器。 通过使用中的过滤容器的液体通过位于每个容器的出口管路中的止回阀被泵送到液体存储容器中，每个容器的出口具有与往复阀的分支连接，出口从其连接 通过止回阀到泵的吸入侧，由此当液体被泵送通过一个容器时，梭阀关闭液体流过其中，而在另一侧打开，使得液体可以从 另一艘船。

公开(公告)号：US4406753A

公开(公告)日：1983-09-27

申请号：US456872

申请日：1983-01-10

Applicant: Colin C. Blake ,  Charles C. O. Goodall

Inventor： Colin C. Blake ,  Charles C. O. Goodall

IPC: C25C7/06 ,  C25C7/08 ,  C25D1/20 ,  C25D17/12

CPC classification number: C25C7/06 ,  C25C7/08

Abstract: An electrolytic metal recovery cell is described in which a cylindrical cathode is mounted for rotation in a housing having an inlet and outlet for solution from which metal is to be recovered. The housing contains an anode and a cutter blade is mounted so as to be capable of removing metal deposited over the whole face of the cathode when the cell is in use. In order to control the operation of the cell, electrical means are provided for operating the cutter blade at predetermined intervals of time irrespective of the electrolysis conditions and for operating the cutter blade when a monitored cathode potential deviates a predetermined amount from a desired value.By this means the use of previously proposed scrapers and their attendant disadvantages are avoided and the cell can be easily controlled either under steady state electrolytic conditions or even when there are large variations in the concentration of the metal ions in solution.The cell and its operation are described for use in the recovery of silver from spent photographic fixing solutions but may be used to recover metals other than silver.

Abstract translation: 描述了一种电解金属回收池，其中圆柱形阴极安装在具有用于回收金属的溶液的入口和出口的壳体中旋转。 壳体包含阳极，并且安装切割刀片，以便当电池正在使用时能够去除沉积在阴极整个面上的金属。 为了控制电池的操作，提供了电气装置，用于以预定的时间间隔操作切割刀片，而不管电解条件如何，并且当被监视的阴极电位从预期值偏离预定量时操作切割刀片。 通过这种方式，避免使用先前提出的刮刀及其伴随的缺点，并且可以在稳定的电解条件下或甚至当溶液中的金属离子的浓度变化很大时容易地控制电池。 细胞及其操作被描述用于从废照相定影溶液中回收银，但可用于回收除银以外的金属。

公开(公告)号：US4186067A

公开(公告)日：1980-01-29

申请号：US934302

申请日：1978-08-17

Applicant: Colin C. Blake ,  Ivan C. Payne

Inventor： Colin C. Blake ,  Ivan C. Payne

IPC: C25C1/20 ,  C25C7/06 ,  G03C5/395 ,  C25C7/00 ,  C25C7/02

CPC classification number: C25C1/20 ,  C25C7/06 ,  G03C5/3954

Abstract: This invention relates to the recovering of metallic silver from photographical bleach-fix baths. An electric current is passed through a bleach-fix solution containing silver ions and ferric ions, which solution has been brought to a predetermined redox potential by the addition of a reducing agent. The cathode is of the type wherein reduced silver ions can deposit thereon as metallic silver. The redox potential of the electrolyte solution is continuously monitored and a reducing agent is added automatically when the redox potential rises above a predetermined level. When the redox potential drops below a predetermined level the addition of the reducing agent is automatically stopped.

Abstract translation: 本发明涉及从照相漂白修复浴中回收金属银。 电流通过含有银离子和铁离子的漂白固定溶液，通过加入还原剂使溶液达到预定的氧化还原电位。 阴极是其中还原的银离子可以作为金属银沉积在其上的类型。 连续监测电解质溶液的氧化还原电位，并且当氧化还原电位升高到高于预定水平时，自动添加还原剂。 当氧化还原电位下降到预定水平以下时，还原剂的添加自动停止。