Sewage Filtration

Electroplating sludge reduction method

In the process of treating electroplating wastewater, electroplating sludge will be generated, and electroplating sludge contains heavy metals and other harmful substances, which are hazardous wastes. There are more than 6,000 electroplating enterprises in Guangdong Province alone. The amount of electroplating sludge is very huge, not only the sludge disposal cost is high, but also …

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Measures to prevent secondary pollution of reinjected sewage

The water quality index after filtration represents the effect of sewage treatment, which is the most fundamental guarantee for the water quality of the subsequent process to meet the standard, and the water quality after filtration continues to be stable and qualified. There will be no secondary pollution to the water injection trunk line, filter …

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Seawater Drilling Fluid Waste Liquid Treatment Technology

With the rapid development of the petroleum industry, the types of drilling fluids and additives are increasing, making their composition extremely complex. Some of these ingredients are toxic to humans and the environment. The drilling fluid waste generated on site must be transported to land by ship for treatment. The transportation cost of a large …

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Iron oxide red plant wastewater treatment process

The wet mixed acid process produces iron oxide red, and the raw materials are mainly iron sheet, nitric acid, ferrous sulfate, steam and air, so the production wastewater contains more ferrous ions, NH3, COD, TN and other pollutants. If the production wastewater is directly discharged into the natural water body without treatment, it will cause …

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Polyvinyl chloride production wastewater treatment technology

As a common chemical raw material, polyvinyl chloride is an important material in organic synthesis. In recent years, with the rapid development of the construction industry, the market demand for PVC has expanded. According to the statistics of relevant research institutions: my country currently has more than 200 PVC production enterprises, with an annual production …

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Recycling and Utilization Process of Deacidification Wastewater

In the flue gas treatment of waste incineration plants, the “scrubber + deacidification tower” secondary absorption device process is usually used to remove pollutants such as soot, acid gas, heavy metals, dioxins and other pollutants in the flue gas. This absorption process will produce two kinds of Wastewater, namely washing wastewater and deacidification wastewater. Biological …

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Real stone paint wastewater treatment process

Real stone paint is a kind of paint that resembles marble and granite. The paint has the characteristics of waterproof, fireproof, non-toxic, acid and alkali resistance, and strong anti-oxidation ability. It has been fully used in modern exterior wall decoration, and gradually replaces marble and granite. and other traditional stone. In recent years, with the …

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High-salt wastewater treatment and fluorine corrosion problems

Industrial wastewater contains a large amount of salt (such as F-, Cl-, SO42- plasma), which belongs to high-salt wastewater. Although there are different definitions for high-salt wastewater in current industrial production, for example, high-salt wastewater refers to saline wastewater with a salt content of more than 1%; another more general statement is that high-salt wastewater …

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Catalytic wet oxidation treatment of aspartame wastewater

The wastewater produced in the aspartame production process has high concentration and complex components, and is a typical high-concentration refractory organic wastewater. At present, the methods for aspartame production wastewater treatment mainly include: One is to directly enter the biochemical system after a large amount of dilution. The disadvantage is that the processing volume cannot …

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Alkaline Uranium-Containing Wastewater Treatment Technology

Uranium mining and metallurgical wastewater mainly comes from two parts: ore mining and uranium ore processing, including pit water, adsorption tailings, resin washing water, and precipitation mother liquor. According to the difference of leaching medium, it can be divided into acidic and alkaline wastewater. In addition to radionuclides such as uranium, thorium and radium, acidic …

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