Adsorption mechanism of sodium dodecyl benzene sulfonate on carbon blacks by adsorption isotherm and zeta potential determinations

Surfactant solutions were propounded to remove fine and hydrophobic carbon black particles from coal-fired flue gas. The adsorption mechanisms between sodium dodecyl benzene sulfonate (SDBS, an anionic surfactant) and carbon black particles in suspension were investigated. The influence of inorganic...

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Veröffentlicht in:Environmental technology. - 1998. - 34(2013), 1-4 vom: 19. Jan., Seite 201-7
1. Verfasser: Zhao, Yapei (VerfasserIn)
Weitere Verfasser: Lu, Pei, Li, Caiting, Fan, Xiaopeng, Wen, Qingbo, Zhan, Qi, Shu, Xin, Xu, Tieliang, Zeng, Guangming
Format: Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Air Pollutants Benzenesulfonates Soot Surface-Active Agents Sodium Chloride 451W47IQ8X dodecylbenzenesulfonic acid 60NSK897G9 mehr... Carbon 7440-44-0
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245 1 0 |a Adsorption mechanism of sodium dodecyl benzene sulfonate on carbon blacks by adsorption isotherm and zeta potential determinations 
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500 |a Date Revised 19.11.2015 
500 |a published: Print 
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520 |a Surfactant solutions were propounded to remove fine and hydrophobic carbon black particles from coal-fired flue gas. The adsorption mechanisms between sodium dodecyl benzene sulfonate (SDBS, an anionic surfactant) and carbon black particles in suspension were investigated. The influence of inorganic salt (NaCl) was also considered. As results showed, hydrophobic interactions contributed to the strong adsorption between SDBS and carbon black particles in the absence of NaCl, and adding NaCl affected the adsorption process. The adsorption amount of SDBS significantly increased when NaCl was added into the SDBS solution; however, when SDBS was in low concentration, the amount of adsorbed SDBS, which was responsible for the shift of zeta potentials, varied little under different concentrations of NaCl. This indicated that the adsorption of SDBS was mainly caused by hydrophobic interaction and Na+ could not change the adsorption of SDBS on adsorption site when SDBS was in low concentration. Moreover, the adsorbed SDBS and Na+ were retained in the Stern layer 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 7 |a Air Pollutants  |2 NLM 
650 7 |a Benzenesulfonates  |2 NLM 
650 7 |a Soot  |2 NLM 
650 7 |a Surface-Active Agents  |2 NLM 
650 7 |a Sodium Chloride  |2 NLM 
650 7 |a 451W47IQ8X  |2 NLM 
650 7 |a dodecylbenzenesulfonic acid  |2 NLM 
650 7 |a 60NSK897G9  |2 NLM 
650 7 |a Carbon  |2 NLM 
650 7 |a 7440-44-0  |2 NLM 
700 1 |a Lu, Pei  |e verfasserin  |4 aut 
700 1 |a Li, Caiting  |e verfasserin  |4 aut 
700 1 |a Fan, Xiaopeng  |e verfasserin  |4 aut 
700 1 |a Wen, Qingbo  |e verfasserin  |4 aut 
700 1 |a Zhan, Qi  |e verfasserin  |4 aut 
700 1 |a Shu, Xin  |e verfasserin  |4 aut 
700 1 |a Xu, Tieliang  |e verfasserin  |4 aut 
700 1 |a Zeng, Guangming  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1998  |g 34(2013), 1-4 vom: 19. Jan., Seite 201-7  |w (DE-627)NLM098202545  |x 0959-3330  |7 nnns 
773 1 8 |g volume:34  |g year:2013  |g number:1-4  |g day:19  |g month:01  |g pages:201-7 
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