Heavy metal wastewater treatment technology, processing method thereof, and medicine production formula

Abstract

The invention relates to a heavy metal wastewater treatment technology, a processing method thereof, and a medicine production formula. A certain proportion of an aqueous solution of a mixed acid is added to wastewater containing heavy metals and radioactive heavy metals, a special medicine for the heavy metal wastewater treatment is added, the obtained mixed solution undergoes a mixing and stirring reaction for precipitation, and the pH value of discharged water is controlled in a range of 6-9 through the quantity of the medicine addition amount in order to realize the copolymerization coagulation precipitation of reacted heavy metal compounds. The content of each of Pb, Cd, Hg, As, and radioactive elements comprising Co-60, Tl, Sr-90, Pu, Th and U235 is not greater than 0.0001-0.00001mg / l, and the CODcr is not greater than 20-50mg / l, so discharged water can be discharged to urban domestic sewage treatment plants or rivers, lakes and seas. Waste residues containing a non-overload amount of the radioactive elements can be processed to form non-fired termiticide bricks added with a color sign, the treatment cost is low, and the treatment problem of the worldwide heavy metal pollution and the radioactive heavy metal pollution of water is solved.

Description

technical field [0001] The invention relates to the field of heavy metal waste water treatment, the field of comprehensive utilization of heavy metal waste residue treatment, the technical process of heavy metal waste water treatment and the production process of treatment chemicals (the applicant is compiled as: Y3-8013 special medicine for heavy metal waste water treatment). Lead, cadmium, mercury, chromium, nickel, copper, manganese, tin, silver, gold, thallium, uranium, thorium, cobalt-60, strontium-90, plutonium non-metallic arsenic and other industrial wastewater containing dozens of heavy metal pollution, treatment Heavy metal pollution in rivers, lakes and oceans. Background technique [0002] For a long time, in developing countries and even developed countries, urban waste, lead-acid battery manufacturing, heavy metal mining, radioactive heavy metal mining and processing, nuclear pollution wastewater discharge, heavy metal smelting, thermal power generation, electr...

AI Technical Summary

Problems solved by technology

[0004] The present invention aims at the above-mentioned heavy metal wastewater pollution treatment problem, and provides a heavy metal wastewater treatment method and a production process of heavy metal wastewater treatment agent Y3-8013. After the heavy metal-containing wastewater is treated with Y3-8013, the heavy metal content in the effluent is not more than 0.0001mg / l- 0.00001mg / l, cadmium≤0.0001mg / l-0.00001mg / l, mercury≤0.001mg / l-0.00001mg / l, arsenic≤0.0001mg / l-0.00001mg / l, nickel≤0.0001mg / l-0.00001mg / l, copper≤0.0001mg / l-0.00001mg / l, silver≤0.0001mg / l-0.00001mg / l, gold≤0.0001mg / l-0.00001mg / l, cobalt 60≤0.0001mg / l-0.00001mg / l l, thallium≤0.0001mg / l-0.00001mg / l, uranium≤0.0001mg / l-0.00001mg / l, plutonium≤0.0001mg / l-0.00001mg / l, manganese≤0.0001mg / l-0.00001mg / l, Chromium≤0.01mg / l-0.001mg / l, CODcr≤30mg / l-50mg / l, pH=6-9, NH3-N≤1.0mg / l, TP≤0.1mg / l, meet the "urban domestic sewage treatment The Class A discharge standard in the Factory Pollutant Discharge Standard (GB18918-2002) can be directly discharged to rivers, lakes, oceans or reused by enterprises