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Industrial wastewater treatment
In the rare earth industry wastewater treatment as an example, this device makes tiny solid particles in the wastewater and high concentration of ions and the membrane surface always maintain a certain distance, greatly reduce the harmful substances and the membrane surface contact, in order to avoid surface pollution, improve the flow of water through the quantity; the process will not only high concentration ammonium chloride separation the wastewater produced in the process of rare earth extraction and enrichment, the rare earth industry wastewater after the recycling, recycling and by electrolysis process and solar reactor of hydrochloric acid and ammonia, and reduction of rare earth industry production of raw materials to recycle, but also through the use of fuel cells will be added to 1 energy recovery; tons of waste water for the cost of 40 yuan, daily processing capacity of 1600 tons to calculate, containing 100g/L ammonium chloride, after the process of the formation of hydrochloric acid and ammonia can be realized Profit 110 thousand yuan. This is not only to achieve the waste water treatment and disposal of reduction, stabilization and harmless to our targets; strict control of heavy metals in the rare earth wastewater and toxic and harmful substances content; the safe, environmentally friendly and economical, the recovery and utilization of waste water and waste gas in energy and resources, processing and implementation comprehensive utilization of waste water, waste gas, to achieve energy-saving emission reduction and development of circular economy to.
(short for DEP) technology, is the world's leading edge technology, Japan, the United States and China have been successfully carried out in the biomedical industry, micro application. The principle is: the lateral movement of the uncharged neutral particles in an inhomogeneous electric field due to the effect of the dielectric electrophoretic force. Because the particles of any material have certain dielectric properties, even neutral particle itself is not charged in the external electric field, will be subject to different degrees of "push" and "pull", therefore, these particles will be moved to a stronger or weaker electric field intensity and direction. If the spatial distribution of the applied electric field is not uniform, the neutral particles will have different degrees of drift motion. The characteristics of dielectric electrophoresis has highly selective and controllable, and now is compared using a separation technique, not only has high selectivity of fine recognition and separation ability of different particles and ions, but also has the different particles, ion capture, enrichment and build function.
Based on dielectrophoresis these characteristics, from Germany to Dr. Du Fei returned to lead his team in Hohhot Overseas Students Pioneer Park of independent intellectual property rights of the medium application industry practice amplifier electrophoresis, dielectrophoresis is applied to the field of membrane separation, development of Caigang watts equipment components, suitable for separation and filtration treatment on existing technology it is difficult to deal with industrial wastewater and other liquids. The traditional wastewater treatment membrane separation component is now using this technology, stable membrane flux increased more than 2 times, the separation efficiency is improved by more than 3 times, saving 100 times, can be directly used for the separation of high concentration, multiple components, high viscosity liquid, eliminating the aeration device in the treatment of industrial wastewater and repeated washing process, avoid the traditional device in the operation process of membrane fouling and wastewater pretreatment for high malpractice. The technology has completed the trial test and 20 tons of industrial equipment, has won 4 national invention patents, not only can be used in the field of rare earth industry, chemical industry, water treatment, can also be used in many new technical field of medical treatment, medicine, new materials, biology, life science etc..
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