精制棉(Refined cotton)是均匀疏松、无木屑、竹屑、泥沙、油污、金属物等杂质的白色絮状物。其原料为棉短绒，主要化学成分是纤维素、木质素和半纤维素。它是由碳、氢、氧3种元素组成。
针对在生产精制棉中产生的碱性黑液，采用吸附-厌氧-好氧-混凝处理工艺。
The process of adsorption-anaerobic-aerobic-coagulation was used for treatment of refined cotton wastewater.
钟祥市金汉江纤维素有限公司是我国精制棉最大的专业公司和国家高新技术企业。
Zhongxiang Jinhanjiang Cellulose Co. , Ltd is the biggest professional company in cotton linters pulp industry in China, national high-tech enterprise.
德州利贞纺织品有限公司主营各种规格优质精制棉、棉短绒、硝化棉等相关产品。
Dezhou Lizhen Textile co,. Ltd. Main specifications of high quality refined cotton, cotton linter, nitrocellulose and other related products.
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