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美国矿业局对国内的9个弗拉施硫生产企业进行了可行性评价。9个这类企业的总储量约为6400万吨。4个在路易斯安那州,5个在得克萨斯州。4个在继续生产,而另5个在减产。世界硫的资源量约为50～320亿吨。1986年世界硫的产量为5420万吨,其中自然
The United States Department of Mines conducted a feasibility assessment of 9 domestic Frachtsulfur production enterprises. The total reserves of nine such enterprises are about 64 million tons. Four in Louisiana and five in Texas. Four are continuing production while the other five are under production. The world’s sulfur resources amount to about 50 ~ 320 million tons. World sulfur production in 1986 was 54.2 million tons, of which naturally