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Ultra pure water equipmentIndustrial reverse osmosis deviceNearly complete removal of the conductive medium in the water, and the water does not dissociation of colloidal substances, gases and organic matter are removed to a very low degree of water. The resistivity is greater than 10 ~ *cm 18.3M limit value. Ultra pure water, pure water machines and equipment in general difficult to achieve, usually by pre treatment, reverse osmosis technology, ultra purification treatment and after treatment of four steps, multi-stage filtration, high performance ion exchange (polished), ultrafiltration filter and UV lamp, in addition to the TOC device, such as a variety of treatment methods, the resistivity up to 18.25M Omega column with a.The process of preparing industrial ultra pure water is roughly divided into the following:（1）Traditional water by ion exchange resins in the preparation of ultra pure water treatment, the main process: raw water, sand carbon filter, precision filter, Yang bed, anion bed, mixed bed (double bed), pure water tank, water pump, post precision filter, water .（2）By use of reverse osmosis water treatment equipment and ion exchange equipment combination way and the main process: raw water, sand carbon filter, precision filter, reverse osmosis equipment, pure water tank, the mixed bed (double bed), ultra pure water, ultra pure water pump, post precision filter, water.（3）Preparation technology of reverse osmosis water treatment equipment and electrodeionization (EDI) equipment to match the way, which is a preparation of ultra pure water of the latest technology and environmental protection, economic, development potential huge super ultrapure water and the main process: raw water, sand carbon filter, precision filter, anti penetration equipment, pure water tank, electrodeionization (EDI), ultra pure water, ultra pure water pump, post precision filter, water.Three preparation industry with ultra pure water process is the preparation of electronic industry