sewage treatment

Provide the latest new technology of sewage treatment, municipal sewage sludge treatment, industrial sewage treatment, domestic sewage treatment, hospital sewage, technology and other materials

28 2022-07

Chlor-alkali wastewater treatment process selection

Introduction With regard to the chlor-alkali process, in this production link centrifugal mother liquor and other aspects of wastewater  process to deal with a certain degree of difficulty, many chlor-alkali projects are now mainly caustic soda  and polyvinyl chloride (PVC), and in the process of carrying out the design work of the production plant. Production capacity of 100,000t / a ionic membrane caustic soda ...
23 2022-07

Construction of Zero Direct Sewage Discharge Area System

INTRODUCTION With the deepening of the battle against pollution and the development of urbanisation, the contradiction between urban sewage discharge and environmental protection has become more and more prominent. The original sewage treatment system in cities and towns cannot adapt to the needs of social and economic development, and there are difficulties in sewage collection, poor pipeline network conveyance, common rainwater and sewage combined flow, and insufficient treatment capacity...
22 2022-07

Biopharmaceutical wastewater reuse and discharge process

Introduction. Biopharmaceutical companies produce APIs such as vitamin B12, methylcobalamin, vitamin B2, adenosylcobalamin, etc., using soybean oil, corn starch, betaine, corn germ, corn protein powder, soybean meal, cottonseed protein, etc. as raw materials. The production process generates about 3000 m3-d-1 of high salt and high organic matter wastewater, which is biochemically treated...
22 2022-07

Mine filter press water treatment

1 Project Overview Shanxi Coking Coal Group Co., Ltd. Ximing Mine currently has two sets of mine wastewater treatment system, two sets of systems with a total treatment capacity of 5000m3 / d, the treatment process for the "cyclone clarification + filtration", the treated effluent basically reaches the fire sprinkler water quality standards. However, with the current national environmental protection...
19 2022-07

Electrophoresis wastewater treatment filter press treatment

Introduction A construction machinery company mainly produces construction machinery and cockpit. Pre-treatment and electrophoresis are required in the production process, in which the pre-treatment includes hot water washing, degreasing, surface conditioning, phosphating, washing and spraying. The main raw and auxiliary materials used in production are electrophoretic coating, top coating, solvent for dilution, washing...
19 2022-07

Sulphate wastewater filter press treatment process

Introduction An enterprise in the production process of wastewater produced in part discharged into the surrounding water bodies, the local environmental protection department testing the discharged water body found that sulfate exceeded the more serious, has changed the original ecological function of the surrounding water bodies. People drinking around the water body occasional diarrhoea phenomenon, the contaminated water body will also cause the local workshop produced tofu quality under...
19 2022-07

Desulphurisation wastewater filter press treatment process

1 Boiler desulphurisation wastewater generation reasons and the importance of treatment Boiler flue gas wet desulphurisation (limestone/gypsum method) process produces wastewater mainly from gypsum dewatering and cleaning system absorption tower discharge water, is in order to maintain the balance of the desulphurisation device slurry recycling system substances, to prevent the soluble part of the flue gas, i.e., the chlorine concentration of the over...
16 2022-07

Filter press treatment process for non-ferrous metal smelter wastewater

Introduction The sources of polluted wastewater in non-ferrous metal smelters are equipment cooling water, slag flushing water, flue gas purification wastewater and wastewater discharged or leaked from the wet smelting process. Among them, the cooling water is basically uncontaminated, the slag flushing water is only mildly contaminated, while the flue gas purification wastewater and the wastewater discharged from the wet smelting process are more seriously contaminated, and are...
16 2022-07

Problems and solutions of power plant desulphurisation wastewater

Overview The flue gas desulphurisation system of the power plant unit adopts limestone-gypsum wet desulphurisation process, and the desulphurisation wastewater generated by the system is transported by transfer pumps to the first and second phase desulphurisation wastewater treatment station respectively. The designed capacity of the unit phase I FGD wastewater is 67.3t/h, and the designed capacity of the phase II FGD wastewater is 2×36t/h, with one for use and one for backup, and the phase II FGD...
15 2022-07

Industrial wastewater treatment

INTRODUCTION With the continuous improvement of environmental protection standards, driven by the wastewater treatment facilities and treatment capacity to improve, and promote better development of ecological protection. Industrial wastewater is a complex type of wastewater, which is difficult and hazardous to treat, and wastewater treatment faces many challenges. The sources of such wastewater are petrochemical industry and textile industry...

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