Author: Kevin

Although coal-based activated carbon has a good effect of filtering impurities in water. However, in the actual use of coal-based activated carbon, the filtering effect of coal-based activated carbon will be affected in many ways. For example, the particle size of the filter material, the acidity and alkalinity of the water quality, and the water temperature and…
Read more

Causes of foam Formation in Fermentation Broth Filtration  In the process of aerobic fermentation, the formation of foam has certain rules. The amount of foam is not only related to the amount of ventilation and the intensity of agitation, but also related to the nature of raw materials used in the culture medium. The protein raw…
Read more

Precision filter element is the heart of the filter. The main principle of the filter element is also the main principle of the filter. It is to purify the original ecological resources and reuse them.  The required purification equipment and filter element are generally used in oil filtration, water filtration, air filtration and other filtration…
Read more

Fault analysis of pure water equipment Troubleshooting of purified water equipment The resistivity of water produced by purified water equipment is low. Cause: power: the power is very low, the voltage setting is too high or too low, one or more electrode connectors are loose, and the polarity of the electrode is opposite. Water flow:…
Read more

Abstract Filtration products produced by filtration technology are also widely welcomed in the market. Including antibiotics, culture media and other products that we are used to. This paper briefly discusses the application of deep filtration technology in biopharmaceutical process.People’s living standards have also improved rapidly with the rapid development of the times. People began to…
Read more

At present, there are many filters used to filter lithium battery slurry on the market. In view of the slurry performance, we have specially developed a filter for filtering the lithium battery slurry.  The filtration accuracy can be 1 um. It can remove solid particles, impurities, and pollutants from lithium battery slurry. The interior of…
Read more

Introduction: Even under worst-case climate change scenarios, increased salinity from seawater desalination is nearly as high as changes in salinity from natural evaporation, new research finds.  Slight Changes In Salinity  New research finds that even under the worst-case scenario of climate change, the increase in salinity from desalination is well within the range of changes…
Read more

The massive increase and stockpiling of municipal solid waste has become a severe challenge for urban sustainable development. At present, the main methods to solve the garbage problem are landfill, composting and incineration. Landfill has the advantages of mature technology, low cost of treatment and management, and convenient transportation. In the process of landfill and stacking,…
Read more

Due to the openness and sustainability of the epidemic, domestic sewage will carry a large number of COVID-19 into the sewage treatment plant. The personnel of the sewage treatment plant will be exposed to an environment with high concentrations of COVID-19 for a long time, so it is particularly important to prevent secondary infection! Operation…
Read more

The working principle of fiber ball filter, capsule extrusion fiber filter, pressure plate fiber filter and self-pressing fiber filter. The structural characteristics and existing problems are deeply analyzed from theory to practice. It is confirmed that the fiber filter has the advantages of high operating flow rate, strong sewage interception ability and good effluent quality.…
Read more

Summary: The working principles and characteristics of several commonly used filters for micro-irrigation are introduced. The history of the research and development of filters for micro-irrigation is briefly described. Aiming at the needs and trends of micro-irrigation development. The development trend of filters is discussed. Points out the topics that need further research in the future.…
Read more

In the manufacturing process of lithium-ion batteries, in order to ensure continuous and effective coating work. It is necessary to filter the positive and negative slurry to intercept particles. The currently used filter element is generally a long cylindrical stainless steel mesh filter element. It has a three-layer structure, from the inside to the outside…
Read more

In the process of water purification, when water treatment is carried out with resin. Such as soft water bed, mixed bed, shade bed, and sun bed treatment. The resin particles in the soft water bed, mixed bed, in bed, and cation bed will be slightly broken due to insufficient strength or large water pressure disturbance…
Read more

The preparation of demineralized water by ion exchange has been widely used in electric power, metallurgy, pharmaceutical, and other industries. For equipment that uses ion exchange to prepare desalted water, install an ion exchanger. Under the situation that its positive bed uses a drainage cap because individual drainage cap is damaged, it is difficult to…
Read more

The softening process of water quality in the continuous casting water treatment system is raw water pump-pipeline-softener-pipeline-soft water tank. The softener is an important piece of equipment for water treatment. Resin is the only medium for softening water in the softener. Once the resin is lost, it will not only cause waste of raw materials…
Read more

Condensed water in thermal power plants is formed by the condensation of steam after finishing work in the steam turbine. Condensate is usually contaminated to some extent.  Out of consideration for the safety and economy of the unit. Drum furnaces and once-through furnace units with subcritical pressure and above parameters in thermal power plants are…
Read more

The resin trap is a device used to trap resin particles that are carried out of the ion exchanger with water.  When using resins for online water treatment. When the quality of the resin is poor, the water pressure is turbulent, and the wall of the resin cylinder is damaged, the resin will enter the…
Read more

Resin traps are often used in ion exchange systems. During the operation of the ion exchange system, there will often be resin in the exchange water.  Once these resins enter the ion exchanger, they will cause the malfunction of the ion exchanger. At this time, the resin trap is needed to capture the resin and…
Read more

Resin traps play a vital role in the subsequent water treatment of ion exchangers. It plays the role of intercepting resin, and the filter element is easily damaged and needs to be replaced frequently.  Because the upper cylinder body and the filter element of the existing resin catcher are integrated. To replace the filter element,…
Read more

The drainage of regeneration waste liquid from the positive regeneration tower of the second-stage fine treatment of condensate in the power plant is directly discharged into the ditch after being filtered by the resin trap and then discharged into the waste water pool through the ditch. Resin traps are used when resins are used for…
Read more

Aiming at the shortcomings of the old-fashioned resin traps, a new type of resin trap has been developed. It has the advantages of not being easy to block the filter screen, small running resistance, and time-saving and labor-saving maintenance.   This equipment has certain practical significance for further improving the reliability of the water treatment system.…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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,…
Read more

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…
Read more

Why process electroplating wastewater? 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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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.…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more

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…
Read more