SOx混含在空气中，通过水蒸汽造成硫酸。
SOx's combine in the air with water vapor to create sulfuric acid.
针对当前硫酸价格低，提出了把转鼓蒸汽造粒生产复合肥工艺改为氨酸法造粒生产复合肥。
For the fact that the present sulphuric acid price is low, it is proposed to change the production of compound fertilizer from rotary drum steam granulation to ammonia and acid granulation process.
将含三氯乙醛废硫酸加水稀释后，不需预热，直接向废硫酸中通入水蒸汽进行蒸馏的方法处理含三氯乙醛废硫酸。
The waste sulfuric acid containing chloral was treated with new process, including diluted with water and directly steam distillating without pre-heating.
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