数字化用户
數字化用戶
수자화용호
ShuZiHua YongHu
2014年
14期
99-102
,共4页
渗透汽化%脱水%共沸物%乙腈废液
滲透汽化%脫水%共沸物%乙腈廢液
삼투기화%탈수%공비물%을정폐액
pervaporation%dehydration%azeotrope%acetonitrile waste
采用KOCH复合膜对乙腈废液进行渗透汽化实验研究，考察了操作温度、透过侧绝压及料液浓度对整个脱水过程分离效果的影响。其中对于乙腈-水体系共沸组成浓度为84%左右，料液温度为50~70℃，透过侧绝压为300~900Pa时，渗透汽化膜的渗透通量可达到694~1464g/(h·m2)、分离系数可达到17.3~63.0，基本符合工业化生产需求。
採用KOCH複閤膜對乙腈廢液進行滲透汽化實驗研究，攷察瞭操作溫度、透過側絕壓及料液濃度對整箇脫水過程分離效果的影響。其中對于乙腈-水體繫共沸組成濃度為84%左右，料液溫度為50~70℃，透過側絕壓為300~900Pa時，滲透汽化膜的滲透通量可達到694~1464g/(h·m2)、分離繫數可達到17.3~63.0，基本符閤工業化生產需求。
채용KOCH복합막대을정폐액진행삼투기화실험연구，고찰료조작온도、투과측절압급료액농도대정개탈수과정분리효과적영향。기중대우을정-수체계공비조성농도위84%좌우，료액온도위50~70℃，투과측절압위300~900Pa시，삼투기화막적삼투통량가체도694~1464g/(h·m2)、분리계수가체도17.3~63.0，기본부합공업화생산수구。
This article study the separation process of pervaporation experiment for acetonitrile waste used KOCH composite membrane. The influences of effect of dehydration separation were investigated on the operating temperature, downstream pressure and mass percent. The optimum conditions of the separation were described as follows, when the azeotropic concentration of acetonitrile/ water system was about 84%, the feed temperature was 50~70℃, the downstream pressure was 300~900Pa, the flux of pervaporation membrane can reach 694~1464g/(h·m2), Separation factor(α) can reach 17.3~63.0. These experimental data can meet the basic demand of industrial production.
