凹凸棒有机改性及其在脱水洋葱加工废水除臭中的应用.pdfVIP

凹凸棒有机改性及其在脱水洋葱加工废水除臭中的应用1 1 2 1 1 赵萍 姚莹 王雅 张轶 1.兰州理工大学生命科学与工程学院 甘肃 兰州730050； 2.重庆科技大学电信工程学院 重庆 401331 E-mail：pingzhao@ 摘要： 凹凸棒石的链层状结构具有特殊的物化性质及工艺性能，经有机改性后的凹凸棒对有机物 的吸附性大大提高。本文着重叙述经常规有机改性和超声波法有机改性后的凹凸棒对脱水洋葱加工 废水中的特征性风味的吸附作用，并用感官方法比较其对有机物的吸附能力，以臭强度等级作为标 准。经比较证明，超声波法有机改性的凹凸棒石对水中含硫化合物的吸附量最大，添加量为2.5g/50g 时，脱水洋葱加工废水的特征性风味可以完全吸附。 关键词：凹凸棒石；脱水洋葱；有机改性; 超声改性 中图分类号：TS209 Organic Modification and Application of Attapulgite in the Waste Water Produced in Dehydrated Onion Process 1 2 1 1 Zhao Ping , Yao Ying , Wang Ya , Zhang Yi (1 School of Life Science and Engineering, Lanzhou Univ. of Tech., Lanzhou 730050, China 2 School of Electronic Information Engineering, Chongqing University of Science and Technology 401331) Abstract The stratified structure of attapulgite has special physical chemistry qualities. Through organic modification, the ability of absorbing organic substances is improved greatly. The paper emphasizes on the effects of characteristic flavor sorption of general organic modified and supersonic treatment attapulgite on the waste water produced in dehydrated onion processes And the grades of smelling intensity was used as standards to compare the sorption abilities to the organic substances with sensory method. The results show that the best one is the supersonic organic modified attapulgite(SOMA) which arrive the top of the sorption of smelling there is no smelling remained as the amount is 2.5g(SOMA)/50g