The other main type of chemical pulping is called the sulfiteprocess.
另外一种重要的化学制浆称亚硫酸盐工艺。
2
The active cooking chemicals in the sulfiteprocess 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。
3
Since about 1890, the sulfiteprocess has been well established pulping process until about 1937, when it was superseded in importance by the sulfate process.