重点介绍了代替浓硫酸催化该反应的固体酸催化剂、催化剂的失活与再生、反应器工业化的方法的进展。
The progress in the solid acid catalyst for the replacement of corrosive sulfuric acid, catalyst deactivation and regeneration, and reactor engineering was introduced.
实验结果表明，随着电流密度的增大，再生液的硫迁移比、硫酸浓缩倍率增大，电流效率降低。
It is pointed that with the increase of current density, the sulfur transfer ratio of regeneration liquor and the vitriol concentrating ratio will go up while the current efficiency will fall down.
对浓硫酸催化体系的组成、再生方法也进行了探索。
The composition of the catalysis system containing concentrated sulfuric acid and its regeneration method are also investigated.
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