超临界流体萃取法提取率高,产品纯度好,流程简单,能耗低,无有机溶剂残留,但对设备要求高,不易形成工业化生产。
Solvent extraction method has simple production process, but it has many weakness such as solvent residual, lower yield, lower purity.
生产中以有机溶剂NMMO取代粘胶生产所用二硫化碳(有毒),无环境污染,因而为绿色环保纤维。
Production to replace the organic solvent NMMO viscose production by carbon disulfide (toxic), no environmental pollution, and thus green fiber.
性质白色粉末,无味无毒、无污染、无迁移、耐光照、耐弱酸、耐弱碱,贮存稳定,不溶于水及其它有机溶剂。
Properties White powders, inodorous, atoxic, non-pollution, non-transference, light resistant, weak acid or alkali resistant, stable storage, insoluble in water and other organic solvents.
同时本文对黄芩苷磷脂复合物溶剂残留量及鼻黏膜刺激性进行了考察,结果表明,无四氢呋喃有机溶剂残留,且药物没明显的刺激性。
At the same time , we did the study of organic solvent residue and irritation to nasal mucosa. The results illustrate that the complex has no residue of tetrahydrofuran and no obvious irritation.
地衣有机溶剂提取液对枯草芽孢杆菌无抑制作用,其水提液无任何抑菌作用。
The organic solvent extract of lichen had no inhibition on bacillus subtilis and their water extract had no antibacterial effect.
与传统的有机溶剂萃取法相比超临界CO2萃取法具有省时、萃取效率高且无有毒废弃物等优点。
Compared with traditional solvent extraction, the method of supercritical CO2 extraction has the advantages of short extraction time, high extraction efficiency and no poisonous waste etc.
与传统的有机溶剂萃取法相比超临界CO2萃取法具有省时、萃取效率高且无有毒废弃物等优点。
Compared with traditional solvent extraction, the method of supercritical CO2 extraction has the advantages of short extraction time, high extraction efficiency and no poisonous waste etc.
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