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On the commissioning of papermaking wastewater treatment process XX Paper Factory in Xi'an, Shaanxi Province uses waste paper to make paper. The sewage discharged by the factory has high SS content, low BOD5/COD ratio and is not easy to be biochemical. Shallow air flotation/contact oxidation was used to treat waste paper papermaking wastewater (treatment scale: 4000m3/d). After one and a half months of microbial cultivation, acclimation, contact film formation, the commissioning effluent quality reached GB3544- -
Progress in treatment of printing and dyeing wastewater The daily discharge of printing and dyeing wastewater in China is (300~400) × 104t, which is one of the largest polluters in various industries. Printing and dyeing wastewater is mainly composed of desizing wastewater, scouring wastewater, bleaching wastewater, mercerizing wastewater, dyeing wastewater and printing wastewater. It has the following characteristics: large amount of water, high content of organic pollutants, large changes in alkalinity and pH value, and large changes in water quality; Biochemical performance -
Process design of brewery wastewater treatment The design of beer wastewater treatment process adopts UASB+CASS process, with a daily treatment flow of 3000 tons -
Process Design of Coconut Wastewater Treatment According to the processing and production characteristics of the enterprise, the pollutants in the wastewater are mainly high organic matter, high chroma and suspended solids, -
Treatment process of cassava starch wastewater The most advanced technologies, such as oxygen two-phase anaerobic (internal circulation) - internal circulation aerobic biological fluidization, were introduced to treat cassava starch wastewater with CODcr up to 12500 mg/L. The project investment was saved by 2.2 times - 6.6 times. -
Brewery wastewater treatment process and analysis China is a large beer producing country, and beer wastewater has become a major source of high organic pollution. Therefore, it is very important to treat beer wastewater and discharge it after reaching the standard. This paper introduces five more mature beer wastewater treatment process (flow) schemes, briefly describes their characteristics, advantages and disadvantages, and preliminarily analyzes five process schemes. -
Commissioning of brewery wastewater treatment process The sewage treatment project of a beer industry company in Henan Province was commissioned in March 2004. After three months of commissioning and trial operation, the effluent quality of the existing wastewater treated by the WWTP meets the secondary standard in Table 4 of the Integrated Wastewater Discharge Standard (GB8978-1996) and the requirements of local total amount control. During commissioning, the operator shall be responsible for -
Summary of paint wastewater treatment process Summary of various treatment processes for paint wastewater -
Description of coking wastewater treatment process Coking wastewater mainly comes from the following sources: water entrained by coal, reaction generated water, steam and fresh water added for distillation and washing of coking products, wastewater condensed or separated after contacting with gas and product water, including residual ammonia water composed of gas collector spray separation liquid and primary cooling liquid; Ammonia rich water for ammonia washing in ammonia water process. These two parts of wastewater are discharged after ammonia evaporation (recovery). In sulfur ammonia process -
Treatment process of automobile coating wastewater In view of the fact that the automobile coating wastewater contains resin, surfactant, heavy metal ions, oil, pigments and other pollutants, especially the complex composition, high concentration and poor biodegradability of the electrophoresis wastewater and paint spraying wastewater, the coating wastewater is treated by mass separation, coagulation sedimentation, coagulation flotation, sand filtration and other processes, and good results are achieved: CODCr removal -
Discussion on leather wastewater treatment process The production process, quantity and quality characteristics of waste water in wet and dry operation of leather were introduced; According to the different characteristics of wastewater in leather production, the pretreatment process of wastewater in domestic leather factories was discussed; The advantages and disadvantages of various biochemical processes used in comprehensive wastewater treatment are listed and discussed; In view of the characteristics of leather wastewater that is difficult to treat, the understanding is proposed -
Introduction to slaughterhouse wastewater treatment process Slaughter wastewater has the characteristics of high concentration of organic matter, good biodegradability, generally reddish brown, foul smell, high concentration of suspended solids in influent, and large changes in water quality and quantity. Therefore, anaerobic+aerobic biochemical treatment process is the most economical and effective method for slaughter wastewater. -
Treatment process and mechanism of high concentration emulsion wastewater Based on the actual wastewater treatment project, the treatment process and mechanism of a variety of high concentration emulsion wastewater collected centrally with an average COD of 32424 mg/L and a turbidity of 3500 NTU were studied in depth By determining the appropriate combination of demulsifiers, high efficiency demulsification by coagulation can be achieved, and the turbidity removal rate can reach more than 90%; At the same time, for the broken -
Research on the Present Situation of High Concentration Organic Wastewater Treatment Process The treatment methods of high concentration organic wastewater mainly include physicochemical treatment and biological treatment. Physicochemical treatment is a method that uses physical and chemical principles to transform the pollutant components in the wastewater into harmless substances, so that the wastewater can be purified, such as photochemical coagulation, oxidation adsorption, incineration, extraction, wet catalytic oxidation, electrochemical method and membrane separation method, but only physical and chemical methods are used -
Treatment process of high concentration ammonia nitrogen industrial wastewater Biochemical removal of nitrogen-containing substances in industrial sewage is also very important, because high nitrogen content is one of the important reasons for eutrophication of water bodies, and ammonia is highly toxic to fish, in addition, nitroso is a carcinogen. Biochemical treatment of nitrogen containing substances through nitrification and denitrification, but the cultivation of nitrifying bacteria and denitrifying bacteria is extremely difficult, because -
Petrochemical wastewater treatment process At present, the development trend of petrochemical wastewater treatment technology can be summarized in three sentences: strengthening pretreatment, improving secondary treatment, and supporting post-treatment. Give corresponding understanding. At the same time, the source and composition of high concentration alkaline sludge sewage in petrochemical industry, the selection of high concentration alkaline sludge sewage treatment process scheme and process flow are described, and the engineering design examples and design modification are emphatically introduced -
Process design of indigo dyeing wastewater treatment Indigo dyeing process usually adopts the stable dyeing method of caustic soda sodium hydrosulfite reduction for multiple dyeing. It is usually produced by a sizing and dyeing machine. Each sizing and dyeing machine discharges about 100m3 of wastewater every day. The main components of wastewater are not only inorganic raw materials (such as caustic soda and sodium hydrosulfite), but also a large amount of organic dyes, sizing water, penetrants, softeners, etc. The water quality is characterized by high pH value and COD -
Electroplating wastewater treatment process Electroplating wastewater treatment process flow chart, various processes have been used. Including hydrolysis acidification, BAF, ozone, ion exchange, ultrafiltration reverse osmosis, etc. -
Discussion on PCB wastewater treatment process Discussion on PCB wastewater treatment process -
Typical automobile coating wastewater treatment process In view of the fact that the automobile coating wastewater contains resin, surfactant, heavy metal ions, oil, pigments and other pollutants, especially the complex composition, high concentration and poor biodegradability of the electrophoresis wastewater and paint spraying wastewater, the coating wastewater is treated by mass separation, coagulation sedimentation, coagulation flotation, sand filtration and other processes, and good results are achieved: CODCr removal -
Modification of coking wastewater treatment process Abstract: Through the transformation and improvement of the wastewater treatment process, the phenol, cyanide, oil, (CD) in the external drainage have all reached the national first-class discharge standard, and achieved good social benefits. In the future, the wastewater will be recycled and comprehensively utilized, and the goal of zero discharge of phenol and cyanide wastewater will be achieved. -
Slaughtering wastewater treatment process Slaughtering sewage contains a large amount of pig manure sewage, visceral waste and animal fat, so the concentration of organic matter, nitrogen and phosphorus in sewage is quite high, and there are also many suspended solids. The treatment system used in this project is a combination of anaerobic, anoxic and aerobic biological processes, which can simultaneously remove COD, BOD, N and P. And equipped with pre-treatment device (solid-liquid separation -
Introduction of oily wastewater treatment process in water With the development of society, oil gradually invades into the water body, forming oily wastewater. Oily wastewater comes from a wide range of sources, mainly from industrial production and human life. The amount of industrial oily wastewater is large and its composition is complex. Oily wastewater treatment is an urgent problem to be solved today, which is of great significance for human survival and sustainable development. -
Study on Treatment Technology of High Salinity Fur Wastewater This document is a study on the treatment process of high salinity fur wastewater, and its contents are only for reference. -
Wastewater Treatment Process of Guangdong Electroplating Factory Although the amount of electroplating industry wastewater accounts for a small proportion in the whole industrial system wastewater, electroplating wastewater contains cyanide, acid, alkali, hexavalent chromium, copper, nickel, zinc, cadmium and other metal pollutants, which have serious harm to the environment. Therefore, research and application of treatment methods have been actively carried out for this type of wastewater at home and abroad. -
62 wastewater treatment processes The introduction of different industrial sewage uses different process treatment methods, a total of 62. -
Treatment process of Changchun alkali production wastewater Changchun alkali production wastewater treatment process: anaerobic micro electrolysis aerobic secondary sedimentation discharge -
Process Design of Chlorpyrifos Pesticide Wastewater Treatment Abstract: Chlorpyrifos is widely used in agricultural production because of its low toxicity, high efficiency and broad-spectrum bactericidal properties. However, in the production process, a large amount of wastewater will be produced, which contains high concentration of organic substances. The pesticide intermediates contained in the wastewater have stable chemical properties, poor biodegradability, difficult decomposition, strong toxicity, high chroma and pungent odor. these ones here -
Improvement of treatment process of electroplating fluoride containing wastewater Improvement of treatment process of electroplating fluoride containing wastewater -
Technical improvement of fluoride wastewater treatment process Technical improvement of fluoride wastewater treatment process -
Development trend of dairy wastewater treatment process This paper reviews the commonly used methods for dairy wastewater treatment, such as batch activated sludge process coagulation sedimentation process, anaerobic (UASB) aerobic (TF) process, hydrolytic acidification SBR process, and makes a comparative analysis. -
Treatment process and scheme of electroplating nickel containing wastewater Common nickel containing wastewater includes electroplating nickel wastewater, chemical nickel plating wastewater, circuit board nickel wastewater, stainless steel pickling nickel wastewater, etc. These types of wastewater can be divided into two types according to the different forms of nickel ions in the water, one is a relatively simple ionic state, the other is a more complex complex state, and the treatment methods are different under different forms. -
Process flow of coating electrophoresis wastewater treatment The process flow of coating electrophoresis wastewater treatment can be referred to. We hope that other oily wastewater such as phosphating, degreasing waste liquid water electrophoresis/passivation will be helpful. -
Detailed explanation of industrial nickel wastewater treatment process Detailed explanation of industrial nickel wastewater treatment process This article introduces the relevant treatment process of nickel containing industrial wastewater in detail -
Technological process of cattle and sheep slaughtering wastewater treatment Cattle and sheep slaughtering is usually carried out simultaneously with meat processing. At the same time, slaughtering wastewater and meat processing wastewater are generated, including equipment cleaning wastewater, ground cleaning wastewater, visceral cleaning wastewater and ketone body cleaning wastewater during slaughtering, as well as defrosting, cleaning and cooking wastewater during meat processing. The effluent can only be discharged into the pipe network after being treated by the sewage treatment system. -
Brief Introduction to Treatment Process of Pharmaceutical Wastewater Treatment Equipment Pharmaceutical sewage can be divided into flushing sewage, extraction sewage and other sewage. The washing sewage and extraction sewage contain unused organic components and bacteria, as well as certain acid-base organic solvents, which need to be treated before discharge, while other sewage is mainly discharged as cooling water. Generally, the concentration of pollutants is not high and can be reused. -
Introduction to textile printing and dyeing wastewater treatment process The main characteristics of textile printing and dyeing wastewater include high concentration of organic matter, high chroma, low PH value, and a large amount of suspended solids and grease. These characteristics make wastewater treatment more complex and require targeted treatment schemes. -
Introduction to vegetable cleaning wastewater treatment process and equipment The complete equipment process of vegetable processing and cleaning sewage treatment includes grid+regulating tank+flocculation sedimentation tank+hydrolytic acidification+good contact oxidation tank+secondary sedimentation tank to meet the discharge requirements. The advantages of the product include strong shock load resistance, nitrogen and phosphorus removal capacity, most of the fillers are combined soft fillers, strong biofilm adhesion, stable effluent quality, low sludge output and easy treatment. The equipment can be -
Improvement of treatment process of viscose cotton pulp wastewater The treatment process of viscose cotton pulp wastewater in Xinjiang Taichang Industry Co., Ltd. was discussed. Making full use of local natural conditions, the original wastewater treatment process was improved, and good economic and environmental benefits were achieved.
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one Smelting wastewater treatment process -
two Western medicine wastewater treatment process -
three Gasification wastewater treatment process -
four Ginger wastewater treatment process -
five Weaving wastewater treatment process -
six Underground wastewater treatment process -
seven High chlorine wastewater treatment process -
eight Water based wastewater treatment process