TO ALL THE PROFESSIONALS DEALING WITH CYANIDES REMOVAL!Wastewater contaminated with cyanides can come from metallurgical production,chemical pro...

TO ALL THE PROFESSIONALS DEALING WITH CYANIDES REMOVAL!Wastewater contaminated with cyanides can come from metallurgical production,chemical pro...TO ALL THE PROFESSIONALS DEALING WITH CYANIDES REMOVAL!

Wastewater contaminated with cyanides can come from metallurgical production,chemical production and ore processing plants.The most toxic wastewaters are those containing both simple cyanides and complex.

Implementation of the AVS Vortex Layer Device in cyanides removal process:
1.We use reagent treatment method.
2.The reaction occurs in two stages: oxidation of cyanides to cyanates at pH=10÷11.5, followed by cyanate hydrolysis to nitrogen and carbon dioxide at pH=7÷7.5.
3.Using the AVS allows to oxidize cyanides and decompose them into carbonates and ammonia in one stage in alkaline environment at pH=9÷10.
4.The water follows into averaging tank and is pumped into the vortex layer device. At the same time, alkaline agent and oxidizer are supplied to the active zone of the device. pH and cyanide content are monitored by a pH meter and cyan signaler. The water from the device follows to a collector and are mixed with neutralized water.
5.A 5 – 10% solution of lime or soda is used as alkaline agent, the oxidizer is calcium hypochlorite, chlorine or hypochlorite lime. Oxidizer consumption is 110% of stoichiometric calculation.

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