Using wasteliquor of sulfite process as main material and complexing different kind of metal positive ions, the corresponding lignosulfonate (LSS) are prepared.
用亚硫酸盐法以造纸废液为主要原料，通过络合不同的金属阳离子得到相应的木质素磺酸盐(LSS)。
2
Aspen neutral sulfite-anthraquinone pulping wasteliquor (NS-L) and Larch alkaline sulfite-anthraquinone pulping wasteliquor (AS-L) are used as the adhesive for the forming of zinc ore powder.
The nitrogen, which is in ammonium in the ammonia sulfite pulping wasteliquor of rice straw, is converted into organic nitrogen by using oxide-ammonium decomposition method.