First, chlorination Chlorine is a very effective oxidant for cyanide. Commonly used chlorine reagents are chlorine gas, sodium hypochlorite and calcium hypochlorite. Alkaline liquid chlorination is the most common method of destroying cyanide in solution. The liquid discharged from the heap can be
Read moreInner Mongolia and more comprehensive recycling non-ferrous metal mining factors and Solutions Liu Yongmao Liu Jianmin Su Lina Abstract: Through the comprehensive research and analysis of the typical non-ferrous polymetallic ore and beneficiation process in Inner Mongolia, the main factors affect
Read moreZirconium metal is an important raw material of modern industry. Zirconium (including niobium ) has good plasticity; the corrosion resistance exceeds that of titanium , and it can resist the corrosion of various concentrations of hydrochloric acid, nitric acid and sulfuric acid below 50% below 100
Read moreFrom 钧多立, to Vision Optoelectronics, one LED company fell, which also cast a shadow over the development of LED enterprises. However, the confidence of domestic companies in the future of the industry has not diminished. Government subsidies, venture capital and other funds have p
Read moreThe LED industry was once known as one of the four major mischievous businesses in the Taiwanese market, but in 2014 there was a chance to get rid of the name of the miserable industry. This is because with the reduction or suspension of subsidies to the LED industry in mainland China, and the begi
Read moreAccording to the statistics of the US Mines Bureau (the following table): the world's rare earth resources totaled 45 million tons of rare earth oxides, of which China accounted for 80%; the United States accounted for 11%; India accounted for 5%; the Soviet Union accounted for 1%; the above fo
Read moreReference table for comprehensive evaluation of associated components of tin deposits Magnetic Assemblies Magnetic Assembly: 1. Precast concrete magnet 2.Magnetic Name Badge Name Tag/Magnetic Name Tag 3.Permanent Magnetic Lifter 4.Neocube Neo Ball 5.Car Mount Holdi
Read moreWhen the furnace is designed, the highest temperature range of the furnace is the actual combustion temperature, and the temperature of the preheating section and the soaking section are lower than the actual combustion temperature. Carbon dioxide and water vapor are thermally decomposed at high t
Read moreThe LED industry chain includes epitaxial growth and chip fabrication, packaging and applications. According to the needs of the LED component structure, the upstream LED chip manufacturer first performs metal evaporation, then etches and heats the reticle on the epitaxial wafer to fabricate the me
Read moreWeichai showed the latest monthly report result of "V" shape reversal: Following the production and sales of more than 40,000 engines in January, it ushered in the New Year's "good starter". Weichai continued to lead the industry in February, with more than 50,000 units of
Read moreContinue to soar! Do not be happy, not that you have the stock on hand, saying that the recent tire prices. Not only limited to some brands, not just a few tens of dollars. The entire tire industry is continuously setting off a frenzy of rising prices in recent years. In fact, from the end
Read morePrecession vortex flowmeter is small in size, good performance, corrosion resistance, strong anti-vibration and anti-interference ability, so it has been widely used in the field of measurement. The following technology Xiaobian flowmeter manufacturers to explain in detail for everyone Let's t
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