Gold welding process

Gold and gold alloys have good weldability and brazeability. For pure gold, oxidation during soldering, brazing, and brazing is not a serious problem. However, some of its alloys must be protected from oxidation during the welding process. Gold and most of.......

Mechanism of action of anti-fouling agent in heap leaching

The mechanism of action of anti-fouling agents is not yet fully understood, and the arguments are not completely consistent. Most of the antifouling agents are considered to function as a crystal nucleating dispersant, a crystal form change agent, and a medium stabi.......

Recovery of gold from gold-containing waste liquid

According to the chemical composition, it can be divided into the waste effluent containing gold cyanide, chloride waste, various gold washing waste liquid and aqua regia. Among them, gold-plated waste liquid (general acid gold plating liquid .......

China's diaphragm pump technology breakthrough breakthrough

Developed by Shenyang Metallurgical Machinery Co., Ltd. SGMB140-7 diaphragm pump, the use of Shanghai Meishan Mining Company production of pipeline equipment for long-distance solid-liquid two-phase pipeline transport technology, recently passed in Nanjing, China Nonferrous Meta.......