摘要
在聚四氢呋喃废水回收磷的试验中,采用结晶法回收磷,分别考察了反应物体积比、陈化时间、搅拌强度等因素对析出晶体量及晶体结构表征的影响,结果表明,相比(乙醇∶废水)为1.5∶1,搅拌强度200 r/min,静沉时间2 h时,磷酸盐去除率达85%以上,获得的晶体晶形与搅拌强度有关,经X-衍射光谱分析纯度较高。
The experiment on pHospHorus recovery in PTMEG wastewater by crystallization was studied.The influences of molar ratio,precipitation time,stirring speed on the amount of crystals and structure characterization have been studied.The results indicated that under molar ratio 1.5∶1,stirring speed about 200r/min and precipitation time 2h,PO43-removal ratio above 85%,the morpHology of obtained crystals was related to the stirring speed and the X-ray diffraction pattern showed that the crystals had a high purity.
出处
《长春工程学院学报（自然科学版）》
2010年第3期97-99,共3页
Journal of Changchun Institute of Technology：Natural Sciences Edition
基金
吉林省科技发展计划项目(20080412)
教育部新世纪优秀人才支持计划(NCET-08-0689)
关键词
聚四氢呋喃
废水
回收磷
poly tetramethylene ether glycol
wastewater
phosphorus recovery
