New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol
Acrylic acid (AA) is an important component for the production of acrylate polymer. In a typical acrylic manufacturing unit, waste water contains AA in a range of 4–15wt.% contributes to the high values of chemical oxygen demand. Due to the toxicity of AA to the aquatic organism, this wastewater sho...
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| Format: | Article |
| Language: | English |
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Elsevier
2014
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| Online Access: | http://umpir.ump.edu.my/id/eprint/8114/1/fkksa-2014-chin-New_Method_For_Acrylic.pdf |
| _version_ | 1796990389077409792 |
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| author | Chin, S. Y. Mohd Amirul Asyraf, Ahmad Muhammad Ridzuan, Kamaruzaman |
| author_facet | Chin, S. Y. Mohd Amirul Asyraf, Ahmad Muhammad Ridzuan, Kamaruzaman |
| author_sort | Chin, S. Y. |
| collection | UMP |
| description | Acrylic acid (AA) is an important component for the production of acrylate polymer. In a typical acrylic manufacturing unit, waste water contains AA in a range of 4–15wt.% contributes to the high values of chemical oxygen demand. Due to the toxicity of AA to the aquatic organism, this wastewater should be treated before it is discharged to the environment. The waste water could be evaporated before sending to the incineration which was neither economic feasible nor environmental friendly. Esterification of wastewater containing carboxylic acid with alcohol could be a promising method to recover the acid by converting it to ester while purifying the wastewater. In the present study, recovery of AA via esterification with 2-ethyl hexanol (2EH) was investigated. The model industrial wastewater with various concentration of AA (10–100% w/w) was reacted with 2EH to produce 2-ethyl hexyl acrylate (2EHA) in the setups with total reflux and continuouslywater removal. These Amberlyst-15 (ion exchange resin) catalyzed reactions were carried out under the mass transfer resistance free region. The performance of both systems was compared. The yield for the reactions of the AA solutions with the AA concentrations of 30–80% was enhanced significantly when the reactions were carried out using the second setup. The kinetic data of the esterification of dilute AA was well described by the Eley–Rideal (ER) kinetic model incorporated with a correction factor to consider the catalyst fouling effect and pseudo-homogeneous (PH) kineticmodel for the AA polymerization. The findings have shown the potential of recovering AA from the waste water stream via esterification. The concentrated AA solutions or larger amount of inhibitor should be adopted to prevent the catalyst fouling by the deposition of poly-acrylic acid on the catalyst surface. |
| first_indexed | 2024-03-06T11:50:50Z |
| format | Article |
| id | UMPir8114 |
| institution | Universiti Malaysia Pahang |
| language | English |
| last_indexed | 2024-03-06T11:50:50Z |
| publishDate | 2014 |
| publisher | Elsevier |
| record_format | dspace |
| spelling | UMPir81142018-05-22T03:09:50Z http://umpir.ump.edu.my/id/eprint/8114/ New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol Chin, S. Y. Mohd Amirul Asyraf, Ahmad Muhammad Ridzuan, Kamaruzaman TP Chemical technology Acrylic acid (AA) is an important component for the production of acrylate polymer. In a typical acrylic manufacturing unit, waste water contains AA in a range of 4–15wt.% contributes to the high values of chemical oxygen demand. Due to the toxicity of AA to the aquatic organism, this wastewater should be treated before it is discharged to the environment. The waste water could be evaporated before sending to the incineration which was neither economic feasible nor environmental friendly. Esterification of wastewater containing carboxylic acid with alcohol could be a promising method to recover the acid by converting it to ester while purifying the wastewater. In the present study, recovery of AA via esterification with 2-ethyl hexanol (2EH) was investigated. The model industrial wastewater with various concentration of AA (10–100% w/w) was reacted with 2EH to produce 2-ethyl hexyl acrylate (2EHA) in the setups with total reflux and continuouslywater removal. These Amberlyst-15 (ion exchange resin) catalyzed reactions were carried out under the mass transfer resistance free region. The performance of both systems was compared. The yield for the reactions of the AA solutions with the AA concentrations of 30–80% was enhanced significantly when the reactions were carried out using the second setup. The kinetic data of the esterification of dilute AA was well described by the Eley–Rideal (ER) kinetic model incorporated with a correction factor to consider the catalyst fouling effect and pseudo-homogeneous (PH) kineticmodel for the AA polymerization. The findings have shown the potential of recovering AA from the waste water stream via esterification. The concentrated AA solutions or larger amount of inhibitor should be adopted to prevent the catalyst fouling by the deposition of poly-acrylic acid on the catalyst surface. Elsevier 2014-05-27 Article PeerReviewed application/pdf en http://umpir.ump.edu.my/id/eprint/8114/1/fkksa-2014-chin-New_Method_For_Acrylic.pdf Chin, S. Y. and Mohd Amirul Asyraf, Ahmad and Muhammad Ridzuan, Kamaruzaman (2014) New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol. Process Safety And Environmental Protection, 92 (6). pp. 522-531. ISSN 0957-5820. (Published) http://dx.doi.org/10.1016/j.psep.2014.05.004 DOI: 10.1016/j.psep.2014.05.004 |
| spellingShingle | TP Chemical technology Chin, S. Y. Mohd Amirul Asyraf, Ahmad Muhammad Ridzuan, Kamaruzaman New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol |
| title | New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol |
| title_full | New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol |
| title_fullStr | New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol |
| title_full_unstemmed | New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol |
| title_short | New Method For Acrylic Acid Recovery From Industrial Waste Water Via Esterification With 2-Ethyl Hexanol |
| title_sort | new method for acrylic acid recovery from industrial waste water via esterification with 2 ethyl hexanol |
| topic | TP Chemical technology |
| url | http://umpir.ump.edu.my/id/eprint/8114/1/fkksa-2014-chin-New_Method_For_Acrylic.pdf |
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