It is the best process that aminosulphonic arid was manufaitured from Uuea. gas Sulphur trioxide and 98 % Sulphruicl arid.

• 生产氨基磺酸的最佳工艺路线是以尿素、气体三氧化硫和98%25的浓硫酸为原料的气液相法。