Sep 12, 2014
China's membrane technology research started in the mid-1960s and has been lingering in the laboratory and pilot scale for a long time. Starting from the "Seventh Five-Year Plan", the Na...
Sep 12, 2014
In a strongly acidic solution, potassium dichromate is used to oxidize reducing substances in the water sample. Excess potassium dichromate is used as an indicator, and the solution is back-titrated w...
Sep 12, 2014
Currently, membrane bioreactors can be divided into three categories: membrane separation bioreactors, membrane aeration bioreactors, and extractive membrane bioreactors. Membrane separation bioreacto...
Sep 12, 2014
History of Ion Exchange Resin DevelopmentIon exchangers are substances capable of ion exchange, classified into inorganic ion exchangers (such as zeolites) and organic ion exchangers. Organic ion exch...
Sep 12, 2014
Broad-spectrum disinfection:According to the 1991 edition of the Ministry of Health's "Disinfection Technical Specifications," section 4.12.2, "Bactericidal Action," ozone is a...
Sep 12, 2014
Constant current coulometric titration is an analytical method based on electrolysis. Its principle involves adding an appropriate substance to the test solution and electrolyzing it with a constant c...
Sep 12, 2014
The working principle of the iron and manganese removal device: It utilizes oxidation to convert low-valent iron and manganese ions in water into high-valent iron and manganese ions, which are then re...
Sep 12, 2014
my country has abundant groundwater resources, but in many areas, the groundwater contains excessive amounts of minerals such as iron and manganese. These minerals exist at low valence, making the wat...
Sep 12, 2014
The chemical oxygen demand (COD) measured using potassium permanganate solution as an oxidant was previously known as the manganese method COD. In my country's new environmental water quality stan...
Sep 12, 2014
Color: BlackCarbon Content: 95%Specific Gravity: 1.65 ± 0.05Alkali Water Solubility: 0.7 ± 0.3Acid Water Solubility: 0.7 ± 0.3Water Acid Solubility: <.2%Hardness: Mohs Hardness 3.0-3.5Density: 5...
