2021-07-29
[knowledge] coagulation? Flocculation? Coagulation aid? Silly can't tell? A text to take you to understand Pure water equipment, ultrapure water equipment
混凝?絮凝?助凝?
在水处理药剂中,应用最广泛的是当属混凝与絮凝、聚合氯化铝与聚丙烯酰胺了。那么两者在使用过程中具体有哪些注意事项?让我们一来一探究竟。
凝聚:投加混凝剂后水中的胶体失去稳定性,胶体颗粒互相凝聚,结果形成众多的“小矾花”。
絮凝:凝聚过程中形成的“小矾花”通过吸附、卷带、架桥等作用,形成颗粒较大絮凝体的过程。
混凝:是凝聚、絮凝两个过程的总称。是水中胶体粒子及微小悬浮物的聚集过程。
也就是说,“混凝”包含了从原水投药到水混合、药反应(脱稳、絮凝)再到形成大颗粒的絮凝物的整个过程。
而絮凝是指胶体...
2021-07-28
Summary of ultrafiltration membrane knowledge, purified water equipment, ultrapure water equipment
1、 What is ultrafiltration membrane
Ultrafiltration membrane is one of the earliest developed polymer membranes, and it is a microporous filter membrane with a rated pore size range of 0.001-0.02 μ M. The solvent in the solution and some of the solutes with low molecular weight penetrate the oth...
2021-07-28
Summary of ultrafiltration membrane knowledge, purified water equipment, ultrapure water equipment
1、 What is ultrafiltration membrane
Ultrafiltration membrane is one of the earliest developed polymer membranes, and it is a microporous filter membrane with a rated pore size range of 0.001-0.02 μ M. The solvent in the solution and some of the solutes with low molecular weight penetrate the oth...
2021-07-22
[essence] the classic questions and answers of sewage treatment will not be baffled by customers. Pure water equipment manufacturer of ultra pure water equipment
1. Why do COD and BOD are often used in wastewater analysis?
There are many organic substances in the wastewater, including more than ten, dozens, and even hundreds of organic substances, which can be often encountered. If the qualitative and quantitative analysis of organic substances in the waste...
2021-07-21
24 common problems and solutions of reverse osmosis membrane Pure water equipment ultra pure water equipment manufacturer
How often should the RO system be cleaned
Generally, when the standardized flux decreases by 10-15%, or the desalination rate of the system decreases by 10-15%, or the operating pressure and the pressure difference between sections increase by 10-15%, RO system should be cleaned. The cleaning frequ...
2021-07-13
About MBR process control process detailed explanation! Pure water equipment ultra pure water equipment
Membrane bioreactor (MBR) has been widely used in wastewater treatment and resource engineering due to its high efficiency, energy saving, no phase change, no secondary pollution, good water quality, less land occupation and high degree of automation. Membrane bioreactor is used to treat municipal w...
2021-07-10
The most comprehensive wastewater treatment chemicals in history Shenzhen Hongjie Water Technology Co., Ltd
01. What kinds of chemicals are commonly used in wastewater treatment?
In order to meet the discharge standard or reuse after wastewater treatment, a variety of chemicals need to be used in the treatment process. According to different uses, these chemicals can be divided into the following categor...
2021-07-09
Principle and operation method of industrial EDI ultra pure water equipment
Ultra pure water equipment adopts advanced reverse osmosis membrane water treatment technology and mature ion exchange water treatment technology, which is an irreplaceable means in the current process of producing high purity water. Ultra pure water production equipment has the advantages of high w...