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Corn Fermentation Alcohol Wastewater Treatment Technology

With the increasing scarcity of oil resources, the price of oil has risen sharply. At the same time, the promotion of environmentally friendly and clean new energy – fuel ethanol is deeply favored by scientists. In the future, fuel ethanol will replace some gasoline. energy breakthrough. At this stage, the raw material used for ethanol…
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Renovation of Wastewater Reduction Process for Ammonia Nitrogen Concentration

The AAO activated sludge method mainly converts the complex organic matter in the wastewater into simple substances through the catabolism of various microorganisms. The advanced treatment adopts the Fenton catalytic oxidation method. The process flow is shown in Figure 1. Problems in biochemical treatment The designed ammonia nitrogen concentration of the phenol cyanide wastewater from…
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High-salt wastewater treatment technology and three-effect evaporator application

There are physicochemical treatment technology, biological treatment technology and steam treatment technology for high-salt wastewater treatment methods. According to the different nature of wastewater and different effluent uses and water quality requirements, the treatment methods are different. Generally, the treatment of high-salt wastewater is to reduce the COD and salt content of wastewater, so as…
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Anaerobic-Aerobic Process for Pharmaceutical Wastewater Treatment

Study the main components in pharmaceutical wastewater, analyze the structure of the reactor, and understand the removal effect of anaerobic particles and flocculent sludge in the anaerobic tank on CODcr. Taking the UASB as an anaerobic reaction device, understand the wastewater treatment process and treatment process, plan the start-up procedure and control procedure, and understand…
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Evaporative crystallization technology with zero discharge of high-salt wastewater

With the leap-forward development of my country’s industrial technology, people’s quality of life has also been greatly improved, and many industries have higher requirements for water quality. At present, various countries are paying more and more attention to the protection of the environment, and the requirements for energy consumption are also higher. As the problem…
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Degradation of organic matter in industrial wastewater by polysilicic acid flocculant

At present, water treatment flocculants are mainly divided into two categories: organic and inorganic, and organic flocculants mainly include organic polymers such as polyacrylamide. Organic flocculants have many advantages, such as low dosage, strong flocculation ability, wide pH range, good precipitation effect, etc. However, the price of this substance is high, and the residual monomers…
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Application of Ion Membrane Electrolysis Technology in Wastewater Treatment

Ion membrane electrolysis technology is a high-efficiency and new type of sewage treatment technology. With the continuous expansion of its application range, it has penetrated into many industries, bringing new changes to my country’s water resources treatment. Overview of ionic membrane electrolysis Ion membrane electrolysis technology, also known as membrane cell electrolysis, is a method…
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Valuable Element Resource Utilization Process of Vanadium and Chromium Wastewater

1 Background Vanadium and chromium wastewater is industrial wastewater produced in the process of vanadium oxide production by vanadium slag through sodium roasting, leaching and filtration, and vanadium precipitation with acid ammonium salt. The content of hexavalent chromium is as high as 500×10-6~1000×10-6, far exceeding the national emission standard. High-priced vanadium and chromium compounds, as…
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Treating Phosphating Wastewater with Desulfurized Ash Modified as Coagulant

Desulfurized ash is a kind of aluminosilicate material, which belongs to the solid waste generated by coal-fired thermal power plants. It is obtained by desulfurization of flue gas generated by thermal power plants. Its main components are alumina and silica. From the perspective of microstructure, the desulfurized ash has a porous honeycomb structure inside, so…
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Membrane distillation treatment technology for high-salt and low-radioactive wastewater

Each process test link of the nuclear fuel cycle will produce low-level radioactive wastewater (referred to as “low-level wastewater”), such as uranium-containing fluorine-containing low-level wastewater from uranium conversion and purification, boric acid-containing low-level wastewater from nuclear power plants, and various types of nuclear fuel reprocessing. Complex low-level wastewater, high-salt low-level wastewater generated from spent fuel…
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MBR Process for Coal Chemical Wastewater Reuse and Treatment

Introduction of MBR sewage advanced treatment process 1.1 Project introduction The water quality of the MBR system of the advanced sewage treatment project varies greatly, including domestic sewage, biochemical effluent of low-concentration oily sewage, and ultrafiltration backwashing drainage in the desalination and reuse section. The biodegradability of the three water sources is poor. The water…
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Polysilicon production industrial wastewater zero discharge technology

In the polysilicon industry, most of the industrial wastewater currently produced has not achieved zero-discharge technology. This paper compares and analyzes the application of zero-discharge technology in various industries, and analyzes the characteristics of sewage in the polysilicon industry. application feasibility. The concept of zero discharge of industrial wastewater Simply put, zero discharge of waste…
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Coalescence treatment technology of wastewater containing emulsified oil in coalbed methane field

With the modification and progress of coalesced fiber materials, coalescence separation method has become a high-efficiency and low-cost oil-water separation technology, and has been widely studied and applied. Since the coalescence technology adopts the physical demulsification method, it has no effect on the subsequent oil recovery and waste oil regeneration, and is widely used in…
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High-salt and high-COD wastewater treatment process

Necessity of sewage classification and standard treatment The company currently has a set of 350t/h (8400t/d) sewage treatment facilities, mainly using microfiltration-ultrafiltration-reverse osmosis-concentrated water secondary reverse osmosis-ion exchange treatment-pure water-recycling device, a small amount of concentrated water It is reused in the production process of polyvinyl chloride and acetylene to achieve nearly zero discharge of…
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Advanced treatment process of smelting flue gas acid-making wastewater

The existing industrial wastewater treatment technologies include chemical method, redox method, extraction method, ion exchange method, adsorption method, membrane separation method, etc. Pollutant Discharge Standard” requirements, but the total hardness of the effluent is 3~5g/L, the mass concentration of chloride ions is 500~7000mg/L, and the TDS is 6~8g/L. Also contains a certain concentration of iron,…
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Dynamic adsorption technology of activated carbon fixed-bed for phenol wastewater

Phenol is the main pollutant in wastewater, especially in plastic production and pesticide use. Phenol is very destructive to organisms. When phenol wastewater is discharged, an activated carbon fixed-bed should be used for dynamic adsorption. After removing phenol substances in wastewater, the wastewater can be safely discharged, reducing the pollution of wastewater to the environment…
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Electroplating wastewater treatment membrane separation technology

The water quality of electroplating wastewater is complex, containing various heavy metal ions such as nickel, zinc, and chromium, as well as organic matter, ammonia nitrogen, acid, and alkali pollutants, and the treatment process is complex, which is the focus of environmental supervision. At present, the electroplating wastewater treatment and discharge standards are strict, and…
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PCB circuit board nickel-containing wastewater treatment process

Chemical precipitation method The wastewater generated in the preparation and treatment of PCB circuit boards contains a large amount of nickel. The chemical precipitation method is used. First of all, the nickel-containing wastewater is treated to balance the water quality and quantity, and then added to the oxidation tank through a pH adjustment tank with…
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Oily Sludge Reduction Treatment Process for Offshore Platforms

The horizontal screw filter press has the characteristics of simple structure, stable operation, low operating cost, and easy maintenance and management. Based on the horizontal screw filter press, a complete set of mechanical equipment for concentration treatment technology with biological treatment process as the core has been developed and initially used on offshore platforms. Sludge…
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Fluorine-containing wastewater treatment technology

Fluorine is one of the indispensable trace elements for the human body to maintain normal physiological activities. An appropriate amount of fluoride can promote the calcification of teeth and bones, and contribute to the conduction of nerve excitation and the metabolism of enzymes in the body, but excessive intake of fluoride by the human body…
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Chemical synthesis pharmaceutical wastewater treatment process

The nature of wastewater The plant area is classified and collected according to the nature of the wastewater, and it is divided into four streams of wastewater: (1) High concentration wastewater. It mainly contains organic substances such as ethanol, DMF (dimethylformamide), toluene, ethyl acetate and dichloromethane. (2) High salinity wastewater. The salt concentration of saline…
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Mine Wastewater Treatment Technology

Background of mine wastewater research The antimony mine in Lengshuijiang has a history of more than 120 years. It is the birthplace of the world’s antimony industry and the largest refining and processing place for antimony in the world. Due to the long time, large output and extensive methods of mining and smelting in the…
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Mixed chemical wastewater treatment process

At present, most of the domestic chemical enterprises are small in scale, and the technology development and application are lagging behind. The main products of the enterprises are pesticides, medicines, fertilizers, etc., with extensive production and low technological level. Production sewage generally has many organic and toxic components, high ammonia nitrogen content, high acidity, deep…
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Heavy metal wastewater treatment technology

The industries mainly involved in heavy metal pollution include mining, chemical industry, printing and dyeing, electroplating and other industries. These industries will discharge a large amount of heavy metal elements such as lead, mercury, nickel, chromium, arsenic, etc. in the process of production. Wastewater containing heavy metals will cause harm to the environment. Serious pollution.…
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Papermaking wastewater treatment bio-enhancement technology

Wastewater treatment has always been a stubborn problem in environmental governance. Bio-augmentation technology refers to adding specific microorganisms to traditional biological treatment technology, thereby increasing the concentration of microorganisms and increasing their decomposition rate, so as to better treat wastewater. deal with. The specific performance of bioaugmentation technology From the analysis of the main manifestations…
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Application of Circulating Water Wastewater as Desulfurization Process Water

The flue gas desulfurization adopts the limestone/gypsum wet desulfurization process, and the annual desulfurization water consumption is about 2.3 million m3. If the circulating water sewage can be used for desulfurization, it can not only save water but also reduce waste water discharge. The power plant personnel successfully solved this problem by using the circulating…
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Method for removing organic sulfur contained in liquefied petroleum gas

With the development of modern petrochemical technology, many high-efficiency catalysts have more and more stringent requirements on the sulfur content in the raw materials. On the other hand, environmental protection standards are getting stricter and stricter requirements are imposed on the total sulfur content of LPG. Sulfur in LPG can be divided into organic sulfur…
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High salt removal rate circulating water sewage treatment

With the development of industrial production, water consumption is getting larger and larger, and the phenomenon of the insufficient water supply has appeared in many areas. Therefore, reasonable and saving water has become an important issue in the development of industrial production. Therefore, enterprises are generally required to treat and reuse part of their sewage by…
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Coal Mine Wastewater Recycling System

At this stage, 90% of the coal yards in my country are opencast coal yards.  The raw coal has uneven particles and loose texture, and the coal yard generally covers a large area and receives more natural precipitation. In the past, the drained water containing impurities such as pulverized coal was generally discharged directly into…
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Chip Liquid Waste Liquid Treatment Device

The cutting fluid waste liquid discharged from the machine tool includes waste oil, waste liquid stock solution and waste water. These three are mixed together. If they are directly discharged without treatment, this will not only cause pollution, but also waste water resources.  If it is directly packaged and transported to the sewage treatment plant,…
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Sludge Deep Dewatering Treatment Device

At present, sludge drying is called sludge dehydration, which refers to the process of removing most of the water content from sludge through percolation or evaporation. The water content of the sludge is further reduced by physical methods, which is convenient for the transportation, accumulation, utilization, or further treatment of the sludge. However, the existing…
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Catering Wastewater Degreasing And Slag Removal Equipment Screen

The utility model relates to a screen for degreasing and slag removal equipment for treating catering wastewater.The meal waste and meal oil in the wastewater can be effectively removed by the residue removal structure and the oil removal structure, and the meal waste and meal oil can be directly discharged.The impact on the sewage pipeline…
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Phosphorus and algae removal water purification equipment

Phosphorus is a common natural element, which plays an extremely important role in maintaining the life activities of animals and plants. However, in industrial production and daily life, more and more industrial wastewater and domestic sewage are directly discharged into rivers, lakes, ponds and reservoirs, resulting in a significant excess of phosphorus content in the…
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Recycling treatment process of waste plastic cleaning wastewater

With the continuous development of plastics industry, plastics, as one of the most widely used basic materials, plays an important role in the development of various industries. In the recycling process of waste plastics, it is necessary to clean the surface impurities of waste plastics. The most common cleaning medium is water. At the same…
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Laboratory Sewage Treatment Equipment

At present, the sewage and wastewater discharged from university laboratories are generally not strictly treated, especially the sewage and wastewater containing various heavy metals such as dust and particles will have a great impact on the ecological environment; The water consumption of university laboratories is huge, but the test water in some links does not…
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Automatic slag discharge sewage treatment device

Sewage refers to certain polluted discharged water from life and production. Water that has lost its original use function is called sewage for short. According to the viewpoint of sewage source, sewage can be defined as waste carrying liquid or water discharged from residential, government, commercial or industrial areas and mixed with groundwater, surface water,…
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River sewage outlet treatment device

With the accelerating process of urbanization and industrialization, the pressure on urban river ecosystem is increasing, and the problem of river wastewater pollution is becoming increasingly prominent. Scholars at home and abroad have done a lot of research on it. The common causes of river wastewater pollution are as follows: Domestic sewage is directly discharged…
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Integrated wastewater treatment unit

With the continuous development of social economy, people pay more and more attention to the quality of the surrounding environment, especially those environmental pollution problems that can damage people’s health. In the field of machining, emulsion wastewater mainly comes from industries such as mechanical cutting, mine machining and cold rolling plant. In the process of…
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Development and application of filter material cleaning agent

Iron, iron oxide, scale and polymer for tertiary oil recovery. The cleaning temperature of filter material is low and difficult. The oil removal rate of previous cleaning agents is low, which is difficult to meet the needs of production site. According to the cleaning of filter material in oilfield sewage filtration system, based on the…
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Wedge wire screen for Urban sewage treatment equipment

Urban sewage, i.e. domestic sewage, industrial wastewater and runoff sewage within the urban area, is generally collected by urban pipes and canals and discharged into the water body after being treated by the urban sewage treatment plant. In addition to containing a large amount of organic matter, bacteria and viruses, due to the high development…
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Application of wedge wire filter element in sewage reflux

In view of the difficulty of sewage treatment, experts introduced the latest popular self-cleaning filter water treatment equipment. The self-cleaning filter overcomes the shortcomings of the traditional water treatment process and can realize sewage reuse. The self-cleaning filter is a kind of precision equipment that uses the wedge wire filter screen to directly intercept the…
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Treatment of mine wastewater with self-cleaning filter

Mine wastewater not only has the characteristics of groundwater, but also is polluted by the production process. It is usually black brown or yellowish brown. If it is directly discharged into rivers, lakes and other water bodies, it will cause serious harm to the aquatic ecosystem. At present, self-cleaning filter is used to treat it…
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Application of self-cleaning filter in chemical wastewater treatment

The operation results show that the discharged sewage meets the national wastewater discharge standard. The water source treated by the automatic filter can be reused. Petrochemical wastewater contains a large number of toxic and harmful substances with high concentration, various types, B / C value of 0.1-0.2 and complex components. There are nearly 40 kinds…
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Automatic filter challenges difficult wastewater treatment

As we all know, difficult wastewater is not only difficult to treat by traditional biological method, but also difficult to achieve ideal effect even by physical and chemical method. The appearance of automatic filter overcomes the traditional water treatment process and plays an important role in difficult wastewater treatment. The full-automatic filter is a precision…
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Automatic filter for medical wastewater treatment

Pharmaceutical industry is one of the fastest growing industries in China. However, with the acceleration of the pharmaceutical industry, the pollution of pharmaceutical wastewater to the environment and water resources is becoming more and more serious. How to effectively treat pharmaceutical wastewater has become the focus of attention. With the advent of automatic filter, its…
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Automatic filter can prevent secondary pollution when treating sewage

It is reported that the traditional water treatment process may cause secondary pollution after the treatment of sewage, so that the sewage resources can not be effectively treated. The appearance of automatic filter overcomes the shortcomings of traditional water treatment process. The water source treated by the automatic filter will not produce secondary pollution. Automatic…
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The effect of treating acrylic fiber wastewater by automatic filter was discussed

Acrylic fiber wastewater was treated by automatic filter. The operation results show that the acrylic fiber wastewater treated by automatic filter has achieved good results. The main pollution components of acrylic fiber wastewater include sulfate, acrylonitrile (an), dimethylformamide (DMF), EDTA, sodium propionate sulfonate, organic amine, oil agent and polyacrylonitrile oligomer produced in the process of…
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Treatment of Citrus wastewater with automatic filter

Experts said that the wastewater discharged from the processing of canned citrus has high organic matter content, high suspended solids concentration and good biodegradability. The use of automatic filter for its treatment not only effectively saves water resources, but also promotes its economic development. The full-automatic filter is a precision equipment that uses the filter…
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Application of self-cleaning filter in reclaimed water project

Experts said that exploring the space for renewable water use is “an inevitable way” for water deficient metropolises. The successful development of self-cleaning filter has effectively promoted the reclaimed water reuse project. Reclaimed water generally flows to three fields: industrial manufacturing, agricultural irrigation and river environment. The self-cleaning filter uses the filter screen to effectively…
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Self cleaning filter to treat cold rolling wastewater

As we all know, there are many kinds of pollutants and complex components in cold rolling wastewater. Without effective treatment, it will pose a serious threat to the water supply environment. The application of self-cleaning filter has effectively alleviated the problem. There are many kinds of wastewater, including waste acid, acid-base wastewater, oily and emulsion…
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