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Polyvinyl alcohol and amine-modified polyvinyl alcohol nanofiltration and reverse osmosis membranes
Thesis (M. Sc.) -- University of Stellenbosch, 1993.
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| Format: | Thesis |
| Language: | en_ZA |
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Stellenbosch : Stellenbosch University
2012
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| _version_ | 1867613826744057858 |
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| access_status_str | Open Access |
| author | Bezuidenhout, Deon |
| author2 | Sanderson, R. D. |
| author_browse | Bezuidenhout, Deon Sanderson, R. D. |
| author_facet | Sanderson, R. D. Bezuidenhout, Deon |
| author_sort | Bezuidenhout, Deon |
| collection | Thesis |
| dc_rights_str_mv | Stellenbosch University |
| description | Thesis (M. Sc.) -- University of Stellenbosch, 1993. |
| format | Thesis |
| id | oai:scholar.sun.ac.za:10019.1/58112 |
| institution | Stellenbosch University (South Africa) |
| language | en_ZA |
| last_indexed | 2026-06-10T12:42:19.474Z |
| license_str | Other — see source repository |
| provenance_str_mv | Harvested via OAI-PMH from SUNScholar — Stellenbosch University Repository |
| publishDate | 2012 |
| publishDateRange | 2012 |
| publishDateSort | 2012 |
| publisher | Stellenbosch : Stellenbosch University |
| publisherStr | Stellenbosch : Stellenbosch University |
| record_format | dspace |
| source_str | SUNScholar — Stellenbosch University Repository |
| spelling | oai:scholar.sun.ac.za:10019.1/58112 Polyvinyl alcohol and amine-modified polyvinyl alcohol nanofiltration and reverse osmosis membranes Bezuidenhout, Deon Sanderson, R. D. Van Reenen, A. J. Stellenbosch University. Faculty of Science. Dept. of Chemistry and Polymer Science. Polyvinyl alcohol Reverse osmosis Polymer science UCTD Thesis (M. Sc.) -- University of Stellenbosch, 1993. ENGLISH ABSTRACT: This study concerns the modification of polyvinyl alcohol (PVAL) by raction with potassium persulphate (K2S2O8) to form tolerant insolubale nanofiltration membranes on tubular polyther sulphone (PES) ultrafiltration substrates. These membranes gave 50 5 retention and 40 lmh flux for a 2000ppm NaCI feed, and 75% retention and 40 lmh flux for feed containing 1000 ppm MgSO4 (2 MPa, 20 degrees Celcius, 1,3 m/s). The effect of the production variables on membrane performance is discussed. The reaction of PVAL with K2S2O8 was characterized by various spectroscopic and other techniques. AFRIKAANSE OPSOMMING: Hierdie studie behels die modifisering van poliviniel alkohol (PVAL) deur reaksle met kalium persulfaat (K2S2O8) om duursame onoplosbare nannofiltrasie membrane op buisvormige poli-eter sulfoon (PES) ultrafiltrasle substrate te produseer Die membrane het 50% soutverwerpmg en 40 lmh viced golewer op 'n 2 000 dpm NaCl voerstroom, en 75% soutverwerpmg en 40 lmh vtoed op·n voersrroom bestaande uit 1 000 dpm MgSO₄ (2MPa, 20 degrees C. 1,3 m/s).Die invloed wat die verskeie vervaardigIngsverandertikes op die membraaneienskappe uitoefen word bespreek Die reaksie van PVAL met K2S2O8 is gekaraklerlseer deur verskeie spectroskopiese en ander tegniek. 2012-08-27T11:38:49Z 2012-08-27T11:38:49Z 1993 Thesis http://hdl.handle.net/10019.1/58112 en_ZA Stellenbosch University 169 pages : illustrations. application/pdf Stellenbosch : Stellenbosch University |
| spellingShingle | Polyvinyl alcohol Reverse osmosis Polymer science UCTD Bezuidenhout, Deon Polyvinyl alcohol and amine-modified polyvinyl alcohol nanofiltration and reverse osmosis membranes |
| title | Polyvinyl alcohol and amine-modified polyvinyl alcohol nanofiltration and reverse osmosis membranes |
| title_full | Polyvinyl alcohol and amine-modified polyvinyl alcohol nanofiltration and reverse osmosis membranes |
| title_fullStr | Polyvinyl alcohol and amine-modified polyvinyl alcohol nanofiltration and reverse osmosis membranes |
| title_full_unstemmed | Polyvinyl alcohol and amine-modified polyvinyl alcohol nanofiltration and reverse osmosis membranes |
| title_short | Polyvinyl alcohol and amine-modified polyvinyl alcohol nanofiltration and reverse osmosis membranes |
| title_sort | polyvinyl alcohol and amine modified polyvinyl alcohol nanofiltration and reverse osmosis membranes |
| topic | Polyvinyl alcohol Reverse osmosis Polymer science UCTD |
| url | http://hdl.handle.net/10019.1/58112 |
| work_keys_str_mv | AT bezuidenhoutdeon polyvinylalcoholandaminemodifiedpolyvinylalcoholnanofiltrationandreverseosmosismembranes |