What is manganese dioxide? Manganese dioxide, is a black amorphous powder or black rhombic crystal, which is insoluble in water, weak acid, weak base, nitric acid, cold sulfuric acid, and is dissolved in concentrated hydrochloric acid under heating to produce chlorine gas. It is used for the preparation of manganese salts, and also as an oxidant, rust remover, and catalyst. Manganese dioxide is an amphoteric oxide, There are corresponding perovskite-like salts of BaMnO3 or SrMnO3, and manganese tetrachloride. When it meets the reducing agent, it shows oxidation. Manganese dioxide is heated in the ammonia gas stream to obtain brownish black manganese dioxide. When manganese dioxide is reacted with concentrated hydrochloric acid, manganese chloride.
Preparation of manganese dioxide Ultrasonic cleaning method of manganese dioxide: electrolytic manganese dioxide is the best depolarizing agent material for zinc manganese batteries. With the development of the battery industry, battery manufacturers have higher and higher requirements for electrolytic manganese dioxide materials, of which the discharge performance of electrolytic manganese dioxide is the most important. Therefore, electrolytic manufacturers and many scientific research departments have invested great efforts to find a more reasonable process from the electrolytic process and post-treatment process; electrolytic manganese dioxide with higher quality is produced, especially the water washing process of products. In the past, the industrial production method used hot water, stirring and soaking for a long time, washing repeatedly, and filtering. The disadvantages of this method are high water consumption, long soaking time, long equipment occupation time, low production efficiency, too much power consumption for long time mixing, and poor cleaning effect of impurities; in the article "Electrolytic manganese dioxide production process for mercury-free alkaline manganese dioxide battery" ("Battery" publication, 2003, 33 (2), page 102, written by Xiao Zheng), it is suggested that the high-pressure steam washing method can be used. This method is difficult to achieve for many manganese dioxide processing equipment because of its high pressure and complex process. The purpose of the invention is to provide a method with a good cleaning effect, short production time, and high efficiency; the ultrasonic cleaning method of manganese dioxide can greatly improve the discharge performance of manganese dioxide.
Overview of the dangers of manganese dioxide Health hazard: excessive manganese entering the body can cause poisoning. It mainly damages the central nervous system, especially acute poisoning in the industrial production of the extrapyramidal system is rare. If a large amount of smoke and dust is inhaled for a short time, "metal smoke heat" can occur, and the patient may have headaches, nausea, chills, high fever, and sweating. Chronic poisoning is characterized by neurasthenia syndrome, autonomic nervous dysfunction, and mental symptoms of excitation and inhibition imbalance; toxic psychosis occurs in severe cases. The extrapyramidal system is damaged with increased muscle tension, tremor, speech disorder, abnormal gait, etc.
Price of manganese dioxide Manganese dioxide particle size and purity will affect the product's price, and the purchase volume can also affect the cost of manganese dioxide. A large amount of large amount will be lower. The price of manganese dioxide can be found on our company's official website.
Manganese dioxide supplier Luoyang Tongrun Nano Technology Co. Ltd. (TRUNNANO) Luoyang City, Henan Province, China, is a reliable and high-quality global chemical material supplier and manufacturer. It has more than 12 years of experience providing ultra-high quality chemicals and nanotechnology materials, including manganese dioxide, nitride powder, graphite powder, sulfide powder, and 3D printing powder. If you are looking for high-quality and cost-effective manganese dioxide, you are welcome tocontact usor inquire any time.
