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¡Á¡Â??: Weiqiang Wang, Jian Lv, Jianming Yang, Suning Mei, Yani Li, Hong Wan & Qinwei Yu ????: Application of extraction and adsorption to the alkylpyrazine removal from wastewater ??????: Desalination and Water Treatment ?????¨º¡¤?: 2015 ?¨ª(??),????????: Volume 54, Issue 1, 2015 147-155 ????????: https://www.tandfonline.com/doi/pdf/10.1080/19443994.2013.879839 |
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Application of extraction and adsorption to the alkylpyrazine removal from wastewater ×÷Õß:Wang, WQ (Wang, Weiqiang)[ 1 ] ; Lv, J (Lv, Jian)[ 1 ] ; Yang, JM (Yang, Jianming)[ 1 ] ; Mei, SN (Mei, Suning)[ 1 ] ; Li, YN (Li, Yani)[ 1 ] ; Wan, H (Wan, Hong)[ 1 ] ; Yu, QW (Yu, Qinwei)[ 1 ] DESALINATION AND WATER TREATMENT ¾í: 54 ÆÚ: 1 Ò³: 147-155 DOI: 10.1080/19443994.2013.879839 ³ö°æÄê: APR 3 2015 ²é¿´ÆÚ¿¯ÐÅÏ¢ ÕªÒª Application of extraction and adsorption process to the alkylpyrazine removal from wastewater was investigated. The detailed extraction process was studied. It was found that the alkylpyrazine content in the water phase after extraction was decreased to 0.3% or less from about 3.0% (wt.). Extractant was recovered by concentrating the water phase and then the wastewater generated from concentration process was disposed by adsorption treatment in order to further lower the level of alkylpyrazine in wastewater. Adsorption of simulated wastewater containing 2,3-dimethylpyrazine on the different resins was also investigated. Among the resins of various grades used, the XDA-200 had the best properties in decontamination of aqueous 2,3-dimethylpyrazine solutions. The chemical oxygen demand (COD) of authentic wastewater generated from extraction process after adsorption treatment with XDA-200 was less than 1,000 mg/L and its removal percentage was above 90%. It was shown that regeneration of the adsorbent bed could be effectively performed with ethanol. Based on the extraction and adsorption experimental results, more than 98% of COD in the wastewater was removed. ¹Ø¼ü´Ê ×÷Õ߹ؼü´Ê:Extraction; Adsorption; Wastewater treatment; Alkylpyrazine KeyWords Plus:ORGANIC POLLUTANTS; AQUEOUS-SOLUTION; ETHANOLAMINE; DERIVATIVES; OXIDATION; PYRAZINE; ETHYLENEDIAMINE; TECHNOLOGIES; MORDENITE; AMINATION ×÷ÕßÐÅÏ¢ ͨѶ×÷ÕßµØÖ·: Wang, WQ (ͨѶ×÷Õß) ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ Xian Modern Chem Res Inst, 168 Zhangba Rd East, Xian 710065, Peoples R China. µØÖ·: ÏÔʾÔöÇ¿×éÖ¯ÐÅÏ¢µÄÃû³Æ [ 1 ] Xian Modern Chem Res Inst, Xian 710065, Peoples R China µç×ÓÓʼþµØÖ·:wqwang204@gmail.com »ù½ð×ÊÖúÖÂл »ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ National Ministry of Science and Technology ²é¿´»ù½ð×ÊÖúÐÅÏ¢ ³ö°æÉÌ TAYLOR & FRANCIS INC, 530 WALNUT STREET, STE 850, PHILADELPHIA, PA 19106 USA Àà±ð / ·ÖÀà Ñо¿·½Ïò:Engineering; Water Resources Web of Science Àà±ð:Engineering, Chemical; Water Resources ÎÄÏ×ÐÅÏ¢ ÎÄÏ×ÀàÐÍ:Article ÓïÖÖ:English Èë²ØºÅ: WOS:000350678100001 ISSN: 1944-3994 eISSN: 1944-3986 ÆÚ¿¯ÐÅÏ¢ Impact Factor (Ó°ÏìÒò×Ó): Journal Citation Reports® ÆäËûÐÅÏ¢ IDS ºÅ: CC9HC Web of Science ºËÐĺϼ¯ÖÐµÄ "ÒýÓõIJο¼ÎÄÏ×": 26 Web of Science ºËÐĺϼ¯ÖÐµÄ "±»ÒýƵ´Î": 0 |

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