Transport Behavior of Paranitroaniline through a Flat-Sheet Supported Liquid Membrane Using Tributylphosphate as a Carrier

被引:1
|
作者
Algreiby, Azizah [1 ]
Alharbi, Lama [1 ]
Kouki, Noura [1 ]
Tar, Haja [1 ]
Alnafisah, Abrar [1 ]
Beji, Lotfi [2 ]
机构
[1] Qassim Univ, Coll Sci, Dept Chem, Buraydah 52571, Saudi Arabia
[2] Qassim Univ, Coll Sci, Dept Phys, Buraydah 52571, Saudi Arabia
关键词
4-Nitroaniline (PNA); supported liquid membrane (SLM); polypropylene Celgard 2500 (PP-Celg); tributyl phosphate (TBP); separation; P-NITROANILINE; TRIBUTYL-PHOSPHATE; METHYLENE-BLUE; WASTE-WATER; SESAME OIL; NANOPARTICLES; 4-NITROANILINE; EXTRACTION; STABILITY; OXIDATION;
D O I
10.3390/colloids8050049
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
4-Nitroaniline (PNA) is a toxic organic compound commonly found in wastewater, posing significant environmental concerns due to its toxicity and potential carcinogenicity. In this study, the recovery of PNA from aqueous solutions was investigated using a supported liquid membrane (SLM). The membrane, which consists of polypropylene Celgard 2500 (PP-Celg), was embedded with the extractant tributyl phosphate (TBP). Various factors influencing the efficiency of PNA transportation were studied, including the concentration of PNA in the source phase, pH of the source phase, NaOH concentration in the receiving phase, and choice of stripping agents. Optimal conditions for the experiment were determined to be a source phase PNA concentration of 20 ppm at pH 7, distilled water as the receiving phase, TBP as the carrier in the organic phase, and a transport time of 8 h. The extraction process was conducted under ambient temperature and pressure conditions, yielding results indicative of a first-order linearized reaction. Additionally, membrane stability and liquid membrane loss were evaluated.
引用
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页数:13
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