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Degradation of Ibuprofen Sodium Salt in a Hybrid Photolysis – Membrane Distillation System Utilizing Germicidal UVC Lamp
-
Sylwia Mozia
,
Tomoki Tsumura
Published/Copyright:
November 30, 2016
Abstract
The present paper describes photodegradation of non-steroidal anti-inflammatory drug ibuprofen sodium salt (C13H17O2Na) in a new hybrid system coupling photolysis and direct contact membrane distillation (DCMD). Photodegradation was conducted using UV254 germicidal lamp. The initial concentration of C13H17O2Na was c0= 0.05, 0.1, 0.2 or 0.4 mmol/dm3. After 5 h of the process the mass of C13H17O2Na in the feed decreased for 99.8-96.7% for c0 of 0.05-0.4 mmol/dm3, respectively. The amount of total organic carbon (TOC) in the feed was lowered by ca. 75%, regardless of initial C13H17O2Na concentration. Among the volatile compounds which passed through the membrane low amounts of C13H18O2 (0.04-0.16 μmol) and some other organic compounds measured as TOC (1.2-3.7 mg) were present. The conductivity of distillate did not exceed the value of 2.6 μS/cm and pH was about 5.7. The total effectiveness of organics removal was 99.97-99.99% for C13H18O2 and 94.8- 98.0% for TOC, dependent on initial concentration of ibuprofen sodium salt.
Received: 2010-9-6
Revised: 2010-11-4
Accepted: 2010-11-6
Published Online: 2016-11-30
Published in Print: 2011-1-1
© 2016 by Walter de Gruyter Berlin/Boston
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Keywords for this article
hybrid process;
photolysis;
direct contact membrane distillation;
ibuprofen sodium salt
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- Significance of TiO2 Photocatalysis for Green Chemistry
- Electrochemical Treatment of Segregated Effluents from the D-Stage in ECF Kraft Cellulose Bleaching
- A Study on the Removal of Natural Organic Matter and Disinfection Byproducts Formation Potential from Groundwater Using Fenton’s Process
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