The active cooking chemicals in the sulfite process are sulfur dioxide, sulfurous acid, and calcium bisulfite.
亚硫酸盐法制浆过程中活性化学物质是二氧化硫、硫酸以及酸性亚硫酸钙。
The sulfite oxidation process under acid condition to treat concentrated H 2SO 4 bearing wastewater from pharmaceutical production is described.
讨论了利用亚硫酸盐做氧化剂，在酸性条件下氧化处理制药厂的高浓度含硫废水。
The process is carried out by using Soxhlet set, as experiment unit, with methyl sulfonic acid as a catalyst and magnesium sulfite as dehydrating agent, giving 97.
报道了合成乳酸丁酯的新方法 ，以乳酸和正丁醇为原料 ，在甲基磺酸催化下以亚硫酸镁为脱水剂 ，用索氏提取器进行回流合成。
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