Water Treatment

Degradation of organic pollutants in wastewater by advanced oxidation technology

At present, traditional biological treatment technology is mainly used for organic pollutants in wastewater, but the effect is not ideal for some wastewater containing high concentration and stable chemical structure of organic pollutants, such as pesticides, papermaking, printing and dyeing wastewater, etc. High concentration, high toxicity, complex components, most of them contain stable aromatic structures …

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Application of PAC and PAM flocculants in PTA industrial wastewater treatment

In water treatment, substances that can make colloidal particles in water bind and coalesce with each other are called coagulants. Basic aluminum chloride (PAC) and polyacrylamide (PAM) are two widely used coagulants. PTA wastewater is the wastewater produced in the process of producing PTA from p-xylene (PX). It has the characteristics of complex composition and …

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Steel Plant Wastewater Treatment and Reuse Technology

Only by improving the utilization rate of wastewater in iron and steel production can realize the recycling of wastewater and reduce the cost of water resources, and the recycling mode of purification and reuse of wastewater in iron and steel enterprises is a specific mode to improve the utilization rate of wastewater. Project overview A …

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UASB Treatment Technology of Fine Chemical Wastewater

Fine chemicals are closely related to our lives, affecting our necessities, food, housing and transportation, and are the main source of innovation in today’s chemical industry. However, in the production process of fine chemicals, various chemical raw materials and solvents are used. In addition, the added value of their products is relatively high and the …

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Treatment Technology of Coating Wastewater in Automobile Industry

The coating of automobiles and related parts has always been an important link in automobile production, and it is also a link with a large amount of wastewater discharge. In recent years, with the continuous development of domestic automobile manufacturing technology and level, the production volume of the painting process has continued to increase, which …

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Upgrading process of copper smelting acid-making wastewater treatment system

Copper acid wastewater quality The acid wastewater of the copper system consists of three parts: 530,000 tons of sulfuric acid, 300,000 tons of sulfuric acid and a sodium sulfite system. The water quality of its acid wastewater is shown in Table 1. In vivo concentration process of acidic wastewater 2.1 Process flow The 300,000t acid …

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Transformation of High Ammonia Nitrogen Wastewater Treatment Process in Coal Gasification Plant

A large amount of high ammonia nitrogen wastewater is produced in the process of the coal chemical industry. Although there is a wastewater treatment device, the treatment effect is not ideal due to the complexity of sewage water quality and unreasonable process settings. High concentration of ammonia nitrogen has always been a coal gas. The …

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Titanium dioxide salt-containing wastewater treatment process

This paper studies various processes of wastewater treatment, and compares and analyzes the advantages and disadvantages of various wastewater processes, which provides a theoretical basis and reference for the treatment of salt-containing wastewater in the titanium dioxide production industry. Production process of surface modification of titanium dioxide base material by chloride method The titanium dioxide …

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Classification and reuse technology of polymetallic ore dressing wastewater

In view of the many problems existing in the treatment and reuse of polymetallic ore beneficiation wastewater, this paper mainly designs the reuse plan of polymetallic beneficiation wastewater based on the input nodes of flotation reagents and the composition properties of wastewater in each loop. Introduction of polymetallic ore flotation reagents Flotation reagents are divided …

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Application of Alkaline Pulp Neutralization of Acidic Wastewater Technology

The dust, arsenic, fluorine and other harmful substances contained in the flue gas are removed by contacting the high-temperature flue gas produced by smelting with the circulating acid in countercurrent, and the electric field formed by the electric demister is used to remove the acid mist, and the purified low-temperature flue gas is sent to …

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