Which word is pH abbreviated? After middle school and entering the health care mode in advance, we must be familiar with the concept of pH. In addition to the pH of the solution, the human body also has pH, which is judged according to the pH of body fluid (body fluid or body fluid). PH value 7 i...

1. What is water self purification? Self purification of water body: the polluted river reduces or transforms the concentration of pollutants through physical, chemical and biological effects, and the water body returns to its original state, or reduces from exceeding the water quality standard to ...

1、 Introduction to water treatment resin Water treatment resin is divided into cationic resin and anionic resin. Cationic resin is subdivided into sodium type and hydrogen type. Sodium type resin exchanges calcium and magnesium ions in water into sodium ions to soften water. Hydrogen resin is to ex...

1、 Noun interpretation (this paper summarizes from eight aspects) 1. Raw water Raw water: refers to the natural water without any treatment or the tap water of the city, etc. is also called raw water 2. Clear water clear water: water that removes suspended impurities from raw water. 3. Desalted w...

Wastewater treatment process 1. Technological process of sewage treatment plant picture 2. Wastewater treatment process of diversion biological aerated filter picture 3. Traditional activated sludge process for nitrogen removal picture 4. Two stage biological nitrogen removal process picture...

01 Introduction of application requirements of FRP membrane shell FRP membrane shell, also known as membrane pressure vessel, is a supporting product of reverse osmosis, sodium filtration, ultrafiltration and other devices. It is made of computer program-controlled winding unit and high-performanc...

Among them, there are three core subsystems 1、 Centralized water supply system in hospital The hospital centralized water supply system mainly includes medical pure water centralized supply system and acid oxidation potential water centralized supply system, which basically covers all kinds of med...

Water treatment professional terms, involving chemical water treatment, circulating water treatment, sewage treatment and other fields of water treatment, the author through many years of water treatment work experience summary, edited 180 water treatment professional name analysis, some names for t...