Pharmaceutical water for sterile workshop
Pharmaceutical water for sterile pharmaceutical cleanroom
Aseptic workshop pharmaceutical companies use ion exchange, electrodialysis and reverse osmosis to prepare pure water, and then distillation to prepare water for injection; the ion exchange method is characterized by high salt removal rate, but it needs A large amount of waste acid and waste alkali are produced; reverse osmosis is a membrane separation technology, which is ...
Text label: sterile workshop design and installation, sterile workshop water, sterile workshop decoration company
Pharmaceutical water for sterile pharmaceutical cleanroom
Aseptic workshop pharmaceutical companies use ion exchange, electrodialysis and reverse osmosis to prepare pure water, and then distillation to prepare water for injection; the ion exchange method is characterized by high salt removal rate, but it needs A large amount of waste acid and waste alkali are produced; reverse osmosis is a membrane separation technology, and the removal rate of bacteria, pyrogens and organic matter in water can reach 100%, but its desalination rate is only 90%, so the salt content of raw water has a significant impact. High requirements; electrodialysis passes the raw water through a DC electric field, and removes the anions and cations dissociated from the electrolyte in the raw water under the action of anion and cation exchange membranes and static electricity to obtain purified water. This method consumes a lot of electricity and has a low salt removal rate. Therefore, it is often used in the primary desalination process of purified water production; electrodeionization technology is a combination of electrodialysis technology and ion exchange technology. Under the action of the electric field, the directional migration of ions in the water is realized, so as to achieve the deep purification and desalination of the water, and the filling resin is continuously regenerated through the hydrogen ions and hydroxide ions generated by the water electrolysis. Therefore, the EDI water production process High-quality ultra-pure water can be continuously produced without acid and alkali regeneration, and the effluent quality has the best stability.
Primary filtration usually uses a bag filter to remove large-sized substances such as sand separation and suspended solids in the raw water. It is characterized by large dirt holding capacity and large flux. The filter should be replaced when the micropores are blocked during use. . The mechanical filter is generally composed of glass fiber reinforced plastic shell, refined quartz sand and other filter materials. Its main function is to remove suspended particles, impurities, colloids, flocs and other substances in the water body and reduce the turbidity of the water. To select the thickness of the filter layer of the filter, quartz sand can be placed in several layers, usually six layers according to the size of the sand particles, to prevent quartz sand of different diameters from top to bottom; during the operation of the multi-media filter, the impurities in the raw water are gradually removed. It is trapped on the top of the filter material, which gradually increases the filtration resistance. Therefore, it needs to be cleaned regularly. The backwash cycle is generally 2-15 days according to the water quality of the raw water. In order to improve the filtration efficiency, multi-media filters are often used in the production of pure water. The upper filter material is anthracite with a diameter of 0.8-1.5mm, and the lower layer is quartz sand of various sizes, which has better filtering effect. The activated carbon filter consists of a stainless steel shell and a nut shell activated carbon grade pipeline valve. The bottom is supported by multiple layers of quartz sand of different sizes, and the upper part is filled with activated carbon, which is one of the substances with the strongest adsorption capacity, due to the large number of pores in activated carbon. , has a large specific surface area, both organic and inorganic substances can be adsorbed by activated carbon; due to the adsorption effect, the concentration of the adsorbed substances on the surface increases, so it can also play a catalytic role. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for sterile workshops and clean workshops.
The amount of ion exchange resin is less, which is only 1/20 of the ordinary ion exchange method; the ion exchange resin does not need chemical regeneration, which saves the process of acid-base and wastewater treatment; It is stable; the quality of the produced water is high, and its conductivity is close to the pure water index; because the resin strengthens the ion migration, the current efficiency is improved, and the cost of water production is reduced; the system is compact and easy to install.
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