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    Argentina Will Eliminate Waste Tannery With High Cyanide Concentration

    2011/8/5 10:11:00 44

    Elimination Of Effluent Concentration In Argentina

    Argentina leather industry chemist and technology personnel The Association (AAQTIC) has published a new report on cyanide in industrial wastewater. This report is the main content of the round table talks held at the third national technical seminar on leather industry in Buenos Aires.


    It will be carried out in a group of tanneries. test The results showed that the cyanide concentration was higher than the permitted 1 mg / L or 0.1 mg / L cyanide hazardous substances produced by chlorination. Therefore, these tanneries will be forced to close their operations.


    The members of the panel have agreed to continue the research on the topic of the talks, especially for the use of TCMTB fungicides. The ingredients are 2- (cyanothiomethyl) benzothiazole, a cyanide compound.


    It also proves that the industrial waste water contained in the tanning process contains limited COD of 700 mg / L and BOD of 200 mg / L and sodium hypochlorite. The usual way of removing cyanide from industrial wastewater by cyanide salt has resulted in the concentration of harmful substances in cyanide after chlorination. increase 。

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