The profitable approach, as demonstrated by Ford, is to remove the sulfur during the coking process and sell it as ammonium sulfate.
最合算的方法，就像福特所说的，就是在制作过程中去掉硫并且把它作为硫酸铵卖掉。
In order to get better products, the evaporation crystallization process of ammonium sulfate solution made by coke oven gas absorption was studied systematically both in experiment and theory.
本文针对硫酸铵产品所存在的问题，对焦炉气吸收制得的硫酸铵溶液的蒸发结晶工艺进行了研究和优化。
The process flow for producing potassium sulfate by ammonium sulfate has been discussed in this paper. The economic profit of industrial production using this process are also analyzed.
本文对用硫酸铵转化法生产硫酸钾的工艺流程进行了研究，并对该方法工业化生产的经济效益进行了初步分析。
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