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- W2059492060 abstract "As for its high selectivity of NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> , large specific surface, simple and inexpensive desorption, zeolite has unique advantage in dealing with low concentration of ammonia-nitrogen wastewater. In experiment, the simulative column set, filled with zeolite as sorbent, was applied to investigate the character of zeolite adsorbing NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> through the simulative and actual NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> wastewater. The results showed that when the penetrating point C/C <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>0</sub> =0.3, inlet velocity 2.78 BV, the capacity of zeolite column reached 126 BV and 63 BV, respectively, aiming at initial 50 mg·L <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>-1</sup> of simulative wastewater and 86 mg·L <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>-1</sup> of industrial wastewater. Furthermore, the capacity of modified zeolite column can get 157 BV and 78 BV respectively. The capacity of zeolite column may increased with the hydraulic loading of zeolite column rising. Moreover, it has been found that saturated zeolite adsorbing NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> was regenerated by 8% NaCl solution. Using lagergren rate equation to match the corresponding relation between different reaction time the capacity of zeolite column adsorbing NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> , NH <sub xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>4</sub> <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>+</sup> adsorption rate of zeolite column has more than 98% after 0.5 h." @default.
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- W2059492060 date "2011-06-01" @default.
- W2059492060 modified "2023-10-16" @default.
- W2059492060 title "Experimental study on adsorption of NH<inf>4</inf><sup>+</sup> with zeolite's column" @default.
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- W2059492060 doi "https://doi.org/10.1109/rsete.2011.5964284" @default.
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