Isolation and characterisation of L-quebrachitol from rubber factory wastewater (Record no. 61724)
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| 000 -LEADER | |
|---|---|
| fixed length control field | 01866nam a2200205Ia 4500 |
| 100 ## - MAIN ENTRY--AUTHOR NAME | |
| Personal name | Jiang Shi-Kuan |
| 245 #0 - TITLE STATEMENT | |
| Title | Isolation and characterisation of L-quebrachitol from rubber factory wastewater |
| 260 ## - PUBLICATION, DISTRIBUTION, ETC. (IMPRINT) | |
| Name of publisher | Journal of Rubber Research |
| Year of publication | 2014 |
| 300 ## - PHYSICAL DESCRIPTION | |
| Number of Pages | 23-33 |
| 520 ## - SUMMARY, ETC. | |
| Summary, etc | In the production process of natural rubber(NR), large quantities of wastewater containing substantial amounts of L-quebrachitol are discharged. To date, published methods of extracting L-quebrachitol from wastewater are still at the laboratory stage. In this study membrane separation technology was applied to the extraction of L-querbrachitol from wastewater and the experimental parameters were studied in order to determine optimal experimental conditions. Results show that the optimum source material for L-querbrachitol extraction was the serum collected by sequeezing the latex coagulum. When this serum was passed through a microfilteration (MF) membrane and two ultrafilteration (UF) membranes, majority of the organic impurities were removed. The resulting ultrafiltrate was concentrated by a nanofilteration(NF) membrane and washed twice. Finally, a new and convenient approch for large scale extraction of L-quebrachitol is proposed combining membrane separation and crystallisation. The output achieved with this approach would be 10 Kg per year under laboratory conditions with 99.20;purity. The structure of L-quebrachitol was confirmed by elementary analysis, infrared (IR) spectroscopy, nuclear magnetic resonance (NMR) spectroscopy, mass spectroscopy (MS) and single-crystal X-ray diffraction. |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | L-quebrachitol |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Membrane separation technology |
| 650 ## - SUBJECT ADDED ENTRY--TOPICAL TERM | |
| Topical Term | Wastewater |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Meng Zi-Hui |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Xue Min |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Ying Wu |
| 700 ## - ADDED ENTRY--PERSONAL NAME | |
| Personal name | Zhang Gui-Mei |
| 942 ## - ADDED ENTRY ELEMENTS (KOHA) | |
| Koha item type | Journals |
| Withdrawn status | Lost status | Damaged status | Not for loan | Home library | Current library | Shelving location | Date acquired | Serial Enumeration / chronology | Koha item type |
|---|---|---|---|---|---|---|---|---|---|
| Journals | RRII Library | RRII Library | Rubber technology | 10/07/2014 | Volume 17, Issue 1 | Journals |