求翻译：美国Elcor公司正在试行一套先将磷石膏还原为硫化钙再生成硫化氢，并用Claus装置转化为可年产3.6万t硫磺的硫回收装置。是什么意思？

The United States elcor is piloting a phosphogypsum first restore the generated hydrogen sulfide, calcium sulfide and then claus device translate into an annual output of 36,000 tons of sulfur sulfur recovery unit.

The company is currently testing a Elcor first set will be phosphate gypsum restore calcium sulphide for hydrogen sulfide, and regenerated into Claus unit annual production capacity of 36,000 T sulfur sulfur recovery unit.

American Elcor Corporation is trying out a set to return to original state first the phosphorus gypsum for the calcium sulfide regenerates the hydrogen sulfide, and transforms with the Claus equipment for may yearly produce 36,000 t sulfur the sulfur recycling installment.

United States Elcor company is piloting a first restores the phosphogypsum as calcium sulfide and hydrogen sulfide generated and Claus is converted sulfur sulfur recovery unit will produce 36,000 t.

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