The aromatic hydrocarbon compound is a volatile hydrocarbon produced when coal, petroleum, wood, tobacco, organic polymer compounds and other organic substances are not completely burned, and is inhaled into the human body and is carcinogenic. The ad

Many vanadium compounds are highly toxic compounds, and pentavalent vanadium is the most toxic. However, vanadium and its compounds have many excellent properties, and the production and application of vanadium is rapidly expanding.

Industrial waste water such as non-ferrous electroplating, chemical, printing and dyeing industries often contain copper in wastewater. 

exists in the form of organic and inorganicin its natural state. Especially in urban river drainage and industrial wastewater. In the chemical, biochemical, metal surface and other industries also exist in large numbers. key substance that causes eut

Slow wire is a kind of CNC machining that uses continuous moving thin metal wire (called wire electrode, generally copper wire) as electrode, pulse spark discharge on workpiece, produces high temperature above 6000 degrees, etches metal and cuts into

Iron is a very complex chemical element that forms inorganic oxidation and hydroxide precipitation on the influent side as well as cationic nuclides and organometallic complexes, causing iron contamination. Traditional electrolysis way will make equi

Radium is a highly radioactive element, which is the by-product of uranium production. When uranium is leached from uranium ore with sulfuric&nbs

metalloid element, and its compound trioxide is a highly toxic substance. In recent years, with the rapid development of industries such as mining, metallurgy, ceramics, and pesticides, the pollution the groundwater environment has become increasingl

Lead is a widely distributed element in nature and one of the elements commonly used in industry. Lead and soluble lead salts are toxic, and lead-containing wastewater is a serious hazard to human health and animal and plant growth. According to repo

Formaldehyde is a harmful gas that can cause chronic poisoning in human body, causing decreased immunity, leading to headache, insomnia, hair loss, etc., which can cause throat cancer. Formaldehyde is common in paints, adhesives, lacquers and cleaner