Waste water system

Waste water treatment system


Waste water treatment system needed in plating machine industry:

In electro plating processes, there will be waste water generated and discharged. Therefore, to protect environment, and to ensure the harmonious development of construction projects and environmental protection, need to set up Waste water treatment system.

Waste water treatment system Design principle:

A, Based on customers’ waste water quality parameters, and discharge standards which meet local standard to design waste water treatment system.
B, Strive to save investment, equipment structure reasonable, low energy consumption, convenient operation and management, low operating cost.
C, Using scientific processing technology, to make the whole system run automatically under the control of microcomputer.
D, Adapt to the changeable feature of water quality and quantity, which can withstand impact load, and has the flexibility on operation.
Design requirements:
The water is clear and clean, no smell.

Waste water treatment system main structure and main devices:(Can be different according to requirements).

Waste water treatment system main structure:
Reaction pool:
Inclined plate precipitation pool;
Rapid filter;
Waste water lifting pump ( anti corrosion self-priming pump);
Reaction pool air agitation system;
Dissolve, dosing device;
Instrument  (PH monitor);
Electrical and control design.


Around the waste water treatment facilities should also conduct greening work according to the needs, outside the structures exposed part to using the latex paint, for the purpose of the whole factory beautiful and uniform.

Environmental protection:

In order to prevent smell, piling of waste water must be cleared up;
In order to prevent the physical and mental health effects of noise environment, our design selection of low noise equipment, in order to meet the standards of environmental protection.


Constant current electrochemical reactivation in electroplating of gold

Constant current electrochemical reactivation in electroplating of gold:

In 1950 The United States Bureau of Mines, Zadra and other developed carbon-in-pulp process, which is put granular activated carbon directly into mixed slurry ore powder and cyanide pulp, to gernerate cyanide gold adsorb by activated carbon, through multiple reverse adsorption, concentration enrichment, then followed by desorption, to get gold, in this process, granular activated carbon can be repeated application of regeneration. 1973 US Homestake Mining Company built its first production CIP plant in extract gold. Then, South Africa has built a number of similar mines plant.

Gold electrochemical reactivation apparatus
Rectifier-Granular activated carbon electrochemical reactivation apparatus:

Rectifier is a apparatus to provide a consists of power supply of electrochemical reactivation in electroplating of gold from granular activated carbon. The electrical power was supplied by a potentiostatic controller and an accessory power supply. This unit was used as a transformer–rectifier to provide constant current.