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Wuhan KeNaiTe Photoelectric Technology Co., Ltd. is located in the beautiful and intelligence-intensive state-level hi-tech industrial development zone ��� East Lake Hi-tech Development Zone, only Optoelectronic
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On December 26th, the 8th China International Mining Development Summit 2020, sponsored by Beijing Sunshine Creative Language Translation Co., Ltd. and Shandong Xinhai Mining EPC (abbreviated as Xinhai Mining), was successfully held in Beijing
This summit aimed to find the required projects, resources, funds, and talents from various links in the chain of exploration, development, processing and smelting, mineral processing, trade, investment, and third-party services, and to understand the cutting-edge international mining trends
Mr. Zhang Yunlong, Chairman of Xinhai Mining Equipment, was invited to attend the summit and delivered a keynote speech on “Experience Sharing of EPC Services Helping Overseas Mining Development”. He was strongly recognized by the guests and won the honorary title of “Excellent Speaker” and then gave unique insights in the “High-end Dialogue on Overseas Mining Project Operation Strategy”
In the exhibition area of Xinhai Mining, Xinhai Mining's innovative“Turn-key Solution for Mineral Processing Plant (EPC+M+O)” model attracted many participants to consult and visit. High-tech VR processing plant experience and naked-eye 3D had also received a lot of attention.
In his speech, Mr. Zhang Yunlong mentioned that there were three common problems in the development of domestic and foreign mining projects: the processing plant exceeded the investment budget, the production failed to meet the standards and production on schedule, and the date of production was the time of technological transformation. The root causes of these three problems were: the first was most of the preliminary technical solutions were determined by simply copying the program or making decisions according to experience; the second was that the design, research, equipment and installation and commissioning were completed by multiple units and personnel, which were difficult to coordinate and responsibilities. For this reason, Mr. Zhang suggested that domestic and foreign projects should adopt EPC, with a high concentration of responsibilities and coordination, and meeting the standards and production on schedule according to the contract limit!
Xinhai Mining attaches great importance to technological innovation and always believes that there is no same mine in the world, and every mine should choose its own technology, tailor-made ideal technology and equipment, and create ideal benefits! Thus, Xinhai Mining has 28 innovative processes in gold processing, and has made technical innovations in gravity separation of gold oxidation primary mixed raw ore + flash flotation separation process, gold particles or heavy minerals, gold ore bag processing and flash flotation of easy-to-elect gold ore
About 15% of a pair of earrings is silver - in the form of ear hooks and wire. And this is the thing I've been most worried about in terms of environmental impact. Over the past couple years I've been very involved trying to fight a mining proposal in Alaska: Pebble Mine. This has led me to learn all sorts of frightening things about the mining industry's track record and impact on the environment
This is a pretty rough calculation, involving a whole lot of metric/english unit conversions (courtesy of google). Searching for the ounces per ton of silver at different mines, and looking in the book "Golden Dreams, Poisoned Streams", I found that 25 oz/ton seemed about right (number is on the high end to try and take into account that the ton of ore contains other metals as well). Then I headed over to Canada to get the "energy intensity" of their mining industry (source link no longer available), expressed in Gigajoules per metric tonne of ore. I'll just assume Canada is representative. Then I multiplied that by how many ounces of silver you get in a ton of ore, and how many ounces are in a thousand pairs of our simplest Sundrop earrings. I don't have CO2 numbers directly, but am assuming the carbon emissions per energy unit are similar to glass and paper. The answer is pretty rough, but shows that silver is several times more wasteful than paper or glass in straight energy terms. This is despite the fact that we use more glass and paper than we do silver. And it's not even accounting for most of mining's impacts described above - just the energy. I don't have a great solution to this. But it seems like what all users of silver need to do is start putting pressure on our suppliers - perhaps we can get a source of recycled silver
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