为了进一步降低生产成本，本课题继而研究了常压条件下硫氢化钠法合成巯基乙酸钠的工艺过程。
In order to reduce raw material costs, this topic then studied at the condition of atmospheric pressure taking hydrosulfide sodium as materials to synthesis sodium thioglycolate kettle-style process.
新的操作方法进一步降低了生产成本。
在进一步优化工艺参数后，可以成为有效的脱硫手段，降低品种钢在冶炼过程的生产成本。
As an effective measure of desulphurization this process can reduce the production cost of high grade steel by way of further optimization of the process parameters.
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