1. When planning the construction of an all-steel experimental bench, as different waste liquids are often accompanied by heat generation, harmful gases and explosion hazards during the process, it is necessary to understand the nature of the waste liquid and then add a small amount of drugs as needed. Also, observed while operating.
2. For such substances containing complex ion chelation and waste liquid, appropriate actions must be taken to prevent direct discharge of harmful substances without treatment.
3. Add sodium hypochlorite to decompose cyano groups to produce free chlorine. The treated wastewater is very harmful due to the sulfide precipitation treatment waste liquid and water-soluble sulfide.
4. Touch with harmful substances such as filter paper, wrapping paper, tissue paper, waste activated carbon and plastic containers, and do not throw them into the garbage box.
5. When treating waste liquid, in order to save the drugs used in treatment, waste chromic acid mixture can be used to decompose organic matter, and waste acid and waste alkali neutralize each other. Active consideration should be given to utilizing liquid waste.
6. Methanol, ethanol, acetone and benzene are used as solvents in principle amounts, recover it, and the residue will be processed.
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