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废旧金属——从目前国内工业重工化的趋势来看,废旧金属回收利用行业在中国至少还有20年的生命力。废旧金属主要是指各种废铜、铝、铅、锌、锡、镍、钛,各种合金、不锈钢及各类有色、黑色、贵重金属等,包括其相关的一切金属灰、渣、沫、屑等。这些金属物质在人们的生活中随处可见,废旧家电是金属再生利用的主要对象。据国外的研究发现,一吨电子板卡可以分离出286磅铜、1磅黄金、44磅锡,仅1磅黄金就价值6000美元;日本企业在回收处理废旧家电时获得的数据显示:如果按照每公斤的含金量
Scrap metal - From the current domestic industrial heavy industry trend, the scrap metal recycling industry in China has at least 20 years of vitality. Scrap metal mainly refers to all kinds of scrap copper, aluminum, lead, zinc, tin, nickel, titanium, various alloys, stainless steel and all kinds of colored, black, precious metals, etc., including all its related metal ash, slag, foam, Chips and so on. These metal substances are widely seen in people’s lives, and waste household appliances are the main targets for metal recycling. According to a foreign study, a ton of electronic boards can separate out 286 pounds of copper, 1 pound of gold, and 44 pounds of tin. The value of only 1 pound of gold is 6,000 US dollars. The data obtained by Japanese companies in recycling waste household appliances shows that: Gold content per kilogram