8 , ultrafine grinding In order to meet the high fineness requirements of kaolin in industries such as paper, plastics and rubber products, it is necessary to increase the fineness of kaolin to improve the quality of the product. It is difficult to achieve this by conventional methods. In recent y
   Holmes & Narver Inc. of the United States has developed a method called “ thin layer heap leaching †, which has been greatly developed in recent years. The whole process includes the following processes [1] : A ore crushing    The ore needs to be broken t
The thermodynamics of polysulfide leaching of gold was reported by Soviet scholar Kakowski in 1962. The treatment target is As-Sb-Au sulfide concentrate (containing As up to 4.5%), and the recovery rate of gold can reach 80%. ~99%. The method has the advantages of high selectivity, no pollution, an
The iron brought in by the ore in the mixture all enters the sinter. Let Fe and Fe' denote the iron content of the self-fluxing sintered ore and the mixed ore; SiO 2 ', CaO' and L respectively represent SiO 2 and CaO and % burnout in the mixed ore; CaO" is the content of effecti
This magnetic separator is mainly produced by the mining industry. In recent years, the North Mine Institute has also started production. Jiang Magnetic also developed and produced an inner cylinder permanent magnet magnetic separator in 1991. 1. CTG dry type permanent magnetic cylinder magnetic s
There are a large number of micro-fine mineral resources in China. Micro-fine minerals are mainly derived from two aspects, one is primary slime, and the other is in the process of crushing, grinding, mixing and transportation, especially in the process of fine-grained mineral resources fine grindi
Dengwang Foshan Lighting recently announced the summary of the 2016 report, saying that the net profit attributable to shareholders of listed companies reached 1.072 billion yuan, a year-on-year increase of 19 times. However, in fact, the net profit after deduction was 351 million yuan, a year-on-ye
Recently, Jiangsu Province released the list of AAA and AA-level enterprises with a quality credit rating of industrial enterprises in 2016. Jiangsu General Technology Co., Ltd. and Shuangqian Group (Jiangsu) Tire Co., Ltd. are on the list. It was learned that this list was jointly issued by the
At present, the strategic direction of China's development of new energy vehicles is becoming more and more clear, and the corresponding market scale is expanding rapidly. The world's major multinational auto companies are “coveted†by China's huge potential market. Due to s
Smart cities refer to the use of Internet of Things, Internet, cloud computing, IT, intelligent analysis and other technical means in the development of cities, in the areas of urban infrastructure, resources and environment, social and people’s livelihoods, economic industries, and municip
Recently, the GGII Motor Vehicle Research Institute (GGII) statistics according to the statistics of motor vehicle manufacturing certificate, the total output of new energy buses in China in February was 303, all of which were plug-in hybrid vehicles, while the output of pure electric buses was ac