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| HOME > Product Profile > Water Treatment Division > Water Treatment System | |
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| The process of removing turbidity,
sediment and Slurry circulation and
harmful matters is termed at clarification.
There are Slurry Circulation and Solid Contact type.Normally, this constitutes the first stop in pretreatment system. It is a system with 3kinds of processes namely Mixing, Coagulation and Sedimentation within a single basin. |
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| There are "Valveless Type(VT)" and "Mono valve Type(MT)" of gravity filter.
The VT uses No valve while the MT is operating with a single control valves. Both types are designed to operate automatically using the basic principle of pressure loss across the filter media. The main system consists of backwash water storage tank, filtering chamber and filtered water collection chamber and filtered water collection compartment. Raw water flow down through one or more layers of the filter media. Solids and particles adhere to the media, clear water collects at the bottom. |
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| It is horizontal type and vertical type, A vertical type is single layer type and multi layer type, a horizontal type is single chamber type and multi chamber type and other categories. A vertical type is used to process small capacity, medium capacity. For the operation modes is automatic type and passive type. The empress is filled with single filter media or composite filter media as occasion demands, when reproduction uses air sculling device as pollution degree. |
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| The activated carbon used in this filter is granular activated carbon which enjoy an established reputation in the world activated carbon filtration is a water treatment system which is receiving keen attention today. It covers a wide range of application from its use as a pre-treatment method in advanced water treatment to its employment as a final treatment of wastewater. |
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| Water Softener employing as cation exchange resin is water treatment apparatus for removing hardness components such as calcium and magnesium contained in the raw water is produce soft water and it's wide from industrial to household use. It utilizes the principle of ion exchange, the most advanced water treatment technique today, which is fundamentally different from ordinary filtration. |
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| The ion exchanger is various in the use from use from the manufacturing of softened water for low pressure boiler or the pure water for super-critical pressure boiler or the ultrapure water for electronics industries, and the system is enlarging and more precise. |
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| The ion of raw water is exchanged with the mobile ion of ion exchange resin and at last the exchange capacity will be exhausted. Then, in the regeneration by chemicals, it's called the counter-current regeneration, the method being performed in the opposite directions of service water and chemical injection, and the co-current regeneration, the method being performed in the same directions. |
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| The steam generated in boiler is condensed through the place using the steam, supplied with the feed water to the boiler again. This water is called the conden sed water(or condensate). It is contaminated by intermixing of impurities produced in the process during the circulation of condensate, or of erosive products from structural materials, and by the cooling water leakage of condensate loopsystem etc.. therefore, if the condensate is supplied to boiler, the treatment of condensate is necessary, and so this is called the Condensating Polishing Demineralization system. |
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| This method is different from the internal regeneration which is demineralizing the water and regenerating the ion exchange resin in the same ion exchange resin tower like the general single tower polisher. This method is demineralizing in the demineralization tower and regenerating in the separate regeneration vessel. Because the regeneration and the demineralization are operated in the different towers, their efficiencies are better and the requirements of ion exchange resin are more economical. Also there is no danger to flow the chemicals in the condensate system for regenerating in the separated vessels. |
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| An understanding of this process can
be illustrated from the below diagrams,
"Osmosis" take place when
water passes from a less concentrated solution to amore concentrated solution through a semipermeable membrane. There is a certain amount of potential energy of the water called "Osmotic Pressure" exists between the two solutions. Water will flow because of this energy difference, less concentrated solution to the more concentrated solution until the system is in equilibrium. "Reverse Osmosis" is defined as the separation of one component of a solution from another component by means of pressure exerted on a semipermeable membrane. |
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| As the new technique field, the use
of reverse osmosis membrane system is
various, it is optimum in the predemineralization of pure water treatment using the salt water of high concentration as the raw water or in the pretreatment of ultra-pure water system. |
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| The water only with H2O not contained
impurities at all is called the theoretical
pure water. There is the resistivity as an index of the water purity, the resistivity of city water is about 0.005MΩ·cm (25°C) and that of theoretical pure water is 18.25MΩ·cm(25°C). That of ultra-pure water using in the micro chip manufacture is 17MΩ·cm or more, and it is almost such the water as the theoretical pure water not contained the particles or bacteria. |
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| The ultrapure water treatment system
consists of the pretreatment system,
primary pure water system and subsystem,
Hereby adds the usepoint pipe system,
waste-water system, and moreover the
perfect system is made with the addition
of the excellent water treatment technique. |
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| Ultra filtration is a low pressure-driven
mechanical process for separating and
concentrating suspended solids, colloids and high molecular weight materials in solution. Ultrafilration is based on porous membranes Particles larger than the pore size of membranes are rejected. In particles even smaller particles are rejected because of the selectivity of the filter cake (gel layer) on the membrane surface. Therefore ultrafiltration membranes form an absolute barrier for bacteria and viruses including colloids and macromolecules. |
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| - Domestic Wastewater Treatment Sewage is a housing, public institutions, commercial establishments and sewage discharged from the groundwater, surface water, such as a mixture of excellent handling of the following Done in a single process or a complex process. - Industrial Wastewater Treatment Industrial wastewater treatment plant satisfies disposal standards concerning not only BOD,COD and suspended solids contents but also a umber of inorganic compounds. The choice of a treatment system will be base on) |
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