Industrial Production Technology Of Nano Nickel Powder In China

In the international market, the main methods in mass production of nano-nickel powder

are chemical vapor deposition, nickel carbonyl decomposition and evaporation condensation method. These productions need complex production equipments, high cost, resulting in price of nano-nickel powder on the international market price reaches 1200 dollars per kilogram. The total cost of nanosized nickel powder in laboratory preparation is about $ 2,000 per kilogram, and the particle size is difficult to control. It is also difficult to reform scale production.

A variety of methods of mass production of nano-nickel powder nickel salt reduction, the nickel carbonyl thermal decomposition method. These methods are more or less, there are some drawbacks. It is difficult to control, such as the size of the nickel salt reduction, and produce large amounts of by-products, and high cost. Nickel carbonyl thermal decomposition will produce large amounts of toxic gases, the environmental damage, high production costs. Evaporation condensation method, equipment requirements, investment, and production of different products in the same device will have a mutual contamination.

Low pine than low power consumption of the electrochemical production of nano nickel powder, nickel plate or waste nickel mesh, nickel plate, supplemented by two special additives (neither participate in the reaction), using a special chemical methods and subsequent heat treatment method to produce nanoscale nickel metal powder. The technology of production equipment localization process is simple, adjustable production, the end of low production costs and strong market competitiveness, and environmental pollution in the production process and no waste discharge.

The electrochemical production of nano-nickel powder patented technology has gained the national invention patent. The ordinary nickel powder only the nickel content in the catalyst industry is 5000 tons. Existing nickel powder production enterprises in China is only 7 or 8 (including the carbonyl nickel powder, powder of electrolytic nickel and reduced nickel powder).The production capacity is approximately 1000 tons. The production capacity is far from being able to meet market demand, so China needs to import large quantities of the powder.

Market prospects in China, the construction industry with the diamond drill bit, cutting discs, oil and gas mining of diamond drill bits, carbide drill matrix bonding material mostly nickel powder; metal powder material processing, automobiles, motorcycles mechanical polishing processing with the tools they use diamond abrasives, the matrix material most of the ordinary nickel powder. With the rapid development of the diamond tool industry, electrical alloy industry, powder metallurgy, machinery parts and other industries, the demand for nickel powder showing a momentum of rapid development.

Due to its special small size effect, Nanosized nickel powder has much higher catalytic efficiency than ordinary nickel powder. Adding the right amount of nanosized nickel powder in the diamond tool can greatly enhance the sintering temperature and sintered density of the tools. It can also improve the quality of the tools. The latest research results show that the nano-nickel powder in the fuel cell can replace the precious metals platinum. It greatly reduces cost of the fuel cell and creates the conditions for fuel cell to enter into the civilian vehicle market.Source:http://www.mhcmp.com

by: anelwew

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