Dalian Jinlida editor will introduce konjak polysaccharide, also known as konjak glucomannan, which has various uses. In addition to medicine, konjac polysaccharides are widely used in textile, printing and dyeing, cosmetics, ceramics, fire protection, environmental protection, military industry, oil exploitation and other aspects. In addition, 30% - 40% of the flying powder is produced in the processing of konjak refined powder. Because the flying powder also contains a certain amount of glucomannan, the flying powder is also a natural high molecular compound with polyhydroxy compounds as the main body. Therefore, like starch, it can be made into xanthate and applied to precipitate soluble heavy metal ions in wastewater.