Removal of motor oil by continuous multistage froth flotation: Effect of operational parameters

被引：4
|
作者：
Kanokkarn, P. [1 ]
Shiina, T. [2 ,3 ]
Suttikul, T. [4 ]
Chavadej, S. [1 ,5 ]
机构：
[1] Chulalongkorn Univ, Petr & Petrochem Coll, Bangkok, Thailand
[2] Chiba Univ, Grad Sch Hort, Fac Hort, Chiba, Japan
[3] Natl Agr & Food Res Org, Natl Food Res Inst, Ibaraki, Japan
[4] King Mongkuts Univ Technol North Bangkok, Fac Engn & Technol, Div Chem Proc Engn Technol, Rayong Campus, Rayong, Thailand
[5] Chulalongkorn Univ, Ctr Excellence Petrochem & Mat Technol, Bangkok, Thailand
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2016年 / 51卷 / 11期
关键词：
Multistage froth flotation; motor oil removal; extended surfactant; WASTE-WATER TREATMENT; LOW INTERFACIAL-TENSION; PHASE MICROEMULSION FORMATION; DYNAMIC SURFACE-TENSION; SODIUM DODECYL-SULFATE; AIR-FLOW RATE; FOAM FRACTIONATION; ETHYLBENZENE REMOVAL; EQUILIBRATION TIME; PART I;
D O I：
10.1080/01496395.2016.1187171
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A continuous multistage froth flotation column was employed to remove motor oil from water at a low concentration (500 mg/L) using an extended surfactant - branched alcohol propoxylate sulphate sodium salt (C14-15-8PO-SO4-Na) - as a frother. The highest separation efficiency (97% motor oil removal with the enrichment ratio of 16 for motor oil) was obtained at a foam height of 60 cm, an air flow rate of 40 L/min, a feed flow rate of 60 mL/min, a surfactant concentration of 0.3% (w/v), and an NaCl concentration of 1.5% (w/v). The process performance increased with increasing tray number but beyond 4 trays, the system could only offer lower concentrations of motor oil and surfactant in the effluent.
引用
收藏
页码：1847 / 1861
页数：15
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