摘要
对兴安落叶松(LarixgmeliniiRupr.)树皮栲胶废渣进行了分析及磺化处理,结果表明:在碱质量用量13%(NaOH计)、亚硫酸化度60%～70%、反应温度140～150℃、时间为2h的条件下,可以获得性能优良的木质素磺酸盐产品。该产品可用于混凝土添加剂和油田驱油剂的复配剂,为树皮废渣的高效利用提供了依据。
Sulfonation of Dahurian larch(Larix gmelinii Rupr.) bark residue after tannin extraction was studied in this paper.Results show:suitable conditions of sulfonation were as follows:alkali dosage 13%(NaOH),sodium sulfite 60%-70%(based on alkali dosage),temperature 140-150 ℃,time 2 h.Lignosulfonate with good property as additive in concrete and as surfactant in oil field can be obtained.This study provided scientific basis for efficient use of bark residue.
出处
《林产化学与工业》
EI
CAS
CSCD
2002年第4期23-26,共4页
Chemistry and Industry of Forest Products
