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2023-02-24

Purpose of reverse osmosis membrane pretreatment

The reverse osmosis system includes three parts: raw water pretreatment, reverse osmosis device and post-treatment. RO system has its specific requirements for raw water pretreatment. Due to the wide variety of raw water and its very complex composition, according to the requirements of the raw wate...
2023-02-23

What is the difference between pure water, purified water and ultrapure water?

What is the difference between pure water, purified water and ultrapure water? 1. The difficulty of manufacturing is different. At present, the pure water used in the market is basically prepared by reverse osmosis, distillation and other methods. Purified water is pharmaceutical water prepared by...
2023-02-22

Deep analysis of advantages and disadvantages of water treatment membrane technology (ultrafiltration, nanofiltration, reverse osmosis)

Comparison of nanofiltration membrane, reverse osmosis membrane and ultrafiltration membrane Nanofiltration membrane: capable of intercepting substances of nanometer scale (0.001 μ m). The operating range of nanofiltration membrane is between ultrafiltration and reverse osmosis. Its molecular we...
2023-05-06

Technical dry goods: misunderstanding and explanation about membrane

In view of the many misunderstandings that many people have about the membrane at present, these misunderstandings are particularly explained here (technical dry goods, every point is the truth) 1.1 misunderstanding 1: membrane water treatment equipment is a highly difficult operating system The a...
2022-05-28

Summary of knowledge of demineralized water treatment and demineralized water treatment equipment

Let's first understand what is softened water In daily life, we often see that the inner wall of the kettle will generate scale after long use. What is the reason? It turns out that the water we take contains many inorganic salts, such as calcium and magnesium salts. These salts cannot be found...
2022-05-27

What kinds of raw water pretreatment processes do you know?

Algae removal process route 1. Air flotation The air flotation method for algae removal is to supply dissolved air water by the dissolved air system, adhere the algae in the water through the bubbles in the water, make them float on the pool surface, and scrape them with a slag scraper. Air flotat...
2022-05-26

Ten faults and maintenance methods of RO reverse osmosis purified water equipment

Ten faults and maintenance methods of RO reverse osmosis purified water equipment 1、 The switch is on, but the device does not start: 1. Electrical circuit failure, such as broken fuse and wire falling off 2. The thermal protection element is not reset after protection resolvent: 1. The waterwa...
2022-05-24

200 basic knowledge of water treatment

This paper summarizes 200 basic knowledge of water treatment equipment. Although these knowledge are short, they are very practical, which will help you better write, study and work, and better understand the water treatment industry. one point zero zero one × Type 7 resin is (strong acid cat...
2022-05-23

Heavy pollution and off-line cleaning of reverse osmosis membrane components

Due to its advanced technical and economic characteristics, reverse osmosis system has formed a huge user group in various industries in China. According to incomplete statistics, there are more than thousands of domestic reverse osmosis water treatment users. As a deep filtration means, the surfac...
2022-05-21

Do you know how to choose a set of satisfactory purified water equipment?

Purified water equipment is simply the equipment for producing purified water. Widely used in: domestic drinking, chemical industry, medical treatment, breeding, planting, food, beverage, etc. So how can we choose a set of satisfactory equipment? The following Xiaobian has sorted out several suggest...
2022-05-20

Reasons for the decline of performance factors of reverse osmosis membrane elements

After the reverse osmosis membrane system operates for a period of time, sometimes the treatment capacity decreases significantly and cannot reach the design capacity. The reasons for this phenomenon are mainly related to the working environment of membrane system, type selection and design, install...
2022-05-17

[dry goods] from front to back, 31 pure water process problems were summarized, which benefited a lot!

1. What pretreatment equipment do you know? A: pretreatment equipment includes: mechanical filter, high efficiency fiber filter, activated carbon filter, precision filter, ultrafiltration, microfiltration, sodium ion softener, iron and manganese removal filter, dosing device, raw water tank and aer...
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