Processing method of electroplating sludge resource comprehensive utilization

Abstract

The invention provides a processing method of electroplating sludge resource comprehensive utilization. The method comprises the following steps: S1, carrying out mechanical slitting on electroplating sludge; S2, feeding the electroplating sludge slice to an air energy heat pump to dry at a low temperature through a conveyer belt and obtaining a dried electroplating sludge slice; S3, after mixing the dried electroplating sludge with a fluxing medium, a reducing agent and a cosolvent, pouring into a machine mixer, uniformly stirring and obtaining a uniformly mixed electroplating sludge slice mixture; and S4, feeding the uniformly mixed electroplating sludge slice mixture to a smelting furnace to smelt through the conveyer belt, and obtaining metal solution and a furnace slag. The energy consumption needed for drying the electroplating sludge is reduced by adopting the heat pump to dry at low temperature, the metal solution and the furnace slag can be obtained by adopting the smelting furnace with the melting technology, metal recovery rate can be well increased, and the smelted furnace slag can be used for brickmaking recycling and reusing. The processing method effectively reduces the processing cost, is safe and hygienic, energy-saving and environmental friendly, and with wider adaptability.

Description

technical field [0001] The invention relates to the technical field of a pollutant treatment method, in particular to a treatment method for the comprehensive utilization of electroplating sludge resources. Background technique [0002] With the development of science and technology and the progress of technology, the issue of environmental protection has been paid more and more attention by governments and people of various countries. For the treatment of industrial pollutants, the governments of various countries have invested a lot of manpower, material resources and financial resources, and researched and developed some advanced industrial pollutant treatment systems. [0003] In industrial production, electroplating technology is commonly used, but the use of electroplating technology brings pollution from electroplating industrial sludge. The electroplating industrial sludge is a sediment in the process of treating electroplating sewage, and its main components are ch...

AI Technical Summary

Problems solved by technology

Although relevant personnel have carried out a lot of research in this field and achieved certain results, there are still many problems that need to be solved urgently. For example, the traditional cement solidification technology will occupy a large amount of land, and the hydrometallurgy can recover valuable metals. , but it will cause the risk of secondary pollution. The acid liquid and sludge produced by this method must be treated twice, and the treatment cost is high and the adaptability is poor.

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