{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,6]],"date-time":"2026-06-06T05:18:31Z","timestamp":1780723111089,"version":"3.54.1"},"reference-count":36,"publisher":"IWA Publishing","issue":"12","content-domain":{"domain":["iwaponline.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2016,6,22]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>The transport of cyanide from wastewater through a bulk liquid membrane (BLM) containing tricaprylamine (TOA) as a carrier was studied. The effect of cyanide concentration in the feed solution, TOA concentration in the organic phase, the stirring speed, NaOH concentration in the stripping solution and temperature on cyanide transport was determined through BLM. Mass transfer of cyanide through BLM was analyzed by following the kinetic laws of two consecutive irreversible first-order reactions, and the kinetic parameters (k1, k2, Rmmax, tmax, Jamax, Jdmax) were also calculated. Apparently, increase in membrane entrance (k1) and exit rate (k2) constants was accompanied by a rise in temperature. The values of activation energies were obtained as 35.6 kJ\/mol and 18.2 kJ\/mol for removal and recovery, respectively. These values showed that both removal and recovery steps in cyanide transport is controlled by the rate of the chemical complexation reaction. The optimal reaction conditions were determined by BLM using trioctylamine as the carrier: feed phase: pH 4, carrier TOA possession ratio in organic phase: 2% (V\/V), stripping phase concentration of NaOH: 1% (W\/V), reaction time: 60 min, stirring speed: 250 r\/min. Under the above conditions, the removal rate was up to 92.96%. The experiments demonstrated that TOA was a good carrier for cyanide transport through BLM in this study.<\/jats:p>","DOI":"10.2166\/wst.2016.136","type":"journal-article","created":{"date-parts":[[2016,3,16]],"date-time":"2016-03-16T02:19:18Z","timestamp":1458094758000},"page":"2888-2895","update-policy":"https:\/\/doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":8,"title":["Treatment of cyanide wastewater by bulk liquid membrane using tricaprylamine as a carrier"],"prefix":"10.2166","volume":"73","author":[{"given":"Guoping","family":"Li","sequence":"first","affiliation":[{"name":"College of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juanqin","family":"Xue","sequence":"first","affiliation":[{"name":"College of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nina","family":"Liu","sequence":"first","affiliation":[{"name":"College of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lihua","family":"Yu","sequence":"first","affiliation":[{"name":"College of Metallurgical Engineering, Xi'an University of Architecture and Technology, Xi'an, Shaanxi 710055, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"945","published-online":{"date-parts":[[2016,3,15]]},"reference":[{"key":"2020032805560066200_WST-EM151795R1C1","first-page":"24","article-title":"Calix[4]arene derivative bearing imidazole groups as carrier for the transport of palladium by using bulk liquid membrane","volume":"224","year":"2012","journal-title":"J. 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