Through experimental study of technological plan, the result shows that reclamation rate of sulphuric acid is above 90% and ammonium sulfate is above 70%.
并对技术方案进行了试验研究，试验结果硫酸回收率达到90%以上，硫酸铵回收率达到70%以上。
The main varieties include urea, ammonium sulfate, ammonium nitrate, ammonium acid carbonate, ammonium chloride, ammonium lime and ammonia water.
主要品种有尿素和硫酸铵、硝酸铵、碳酸氢铵、氯化铵、石灰氨、氨水等。
The ferrous oxalate with crystal water was prepared with ferrous ammonium sulfate and oxalic acid in acid medium.
采用硫酸亚铁铵和草酸溶液在酸性介质条件下合成含有结晶水的草酸亚铁。
Thermal and thermo-oxidative degradation of chitin with ammonium nitrate, ammonium sulfate and concentrated sulfuric acid were studied.
讨论了硝酸铵、硫酸铵和浓硫酸对自制甲壳素热降解和热氧化降解过程的影响。
Ammonium tristyrylphenol polyoxyethylene ether sulfate was synthesized from tristyrylphenol polyoxyethylene ether and sulfamic acid using urea as catalyst.
以三苯乙烯基苯酚聚氧乙烯醚和氨基磺酸为原料，合成了三苯乙烯基苯酚聚氧乙烯醚硫酸酯铵盐。
After decomposing the sample by dry method, dissolve the residue with sulfuric acid and ammonium sulfate, and test it.
试样以干法分解，以硫酸，硫酸铵溶解残渣后进行测试。
Ammonia in exhaust gas from the production of crude phthalocyanine blue can be absorbed by sulfuric acid to produce ammonium sulfate and dust recovered by precipitator.
粗铜酞菁生产尾气中的氨可用硫酸吸收制硫酸铵，粉尘可用捕集器回收。
The invention provides a novel method for recycling waste sulfuric acid in the oxidation process of hard anode using ammonium sulfate at low temperature.
本发明提供了一种在低温条件下，采用硫酸铵回收硬质阳极氧化过程中废硫酸的新方法。
The invention provides a novel method for recycling waste sulfuric acid in the oxidation process of hard anode using ammonium sulfate at low temperature.
本发明提供了一种在低温条件下，采用硫酸铵回收硬质阳极氧化过程中废硫酸的新方法。
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