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Adsorption of urea,creatinine,and uric acid from three solution types using spherical activated carbon and its recyclability

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Chinese Journal of Chemical Engineering 2020年第12期28卷 2993-3001页

作者： Tomohito Kameda Kazuya Horikoshi Shogo Kumagai Yuko Saito Toshiaki Yoshioka Graduate School of Environmental Studies Tohoku University6-6-07 AobaAramakiAoba-kuSendai 980-8579Japan

In this paper,we propose that the urinary toxins from the wastewater be adsorbed on an adsorbent such as spherical activated carbon and the latter be regenerated by subjecting it to high temperatures to recycle activated carbon and also to recycle the water used in *** studied the adsorption of artificial waste dialysate,which is a mixed solution of urea,creatinine,and uric acid,and the separate solutions for each of these and found that their extents of adsorption onto the spherical activated carbon material were nearly *** amount of adsorption was approximately 1.4 mg·g^−1 for urea,18 mg·g^−1 for creatinine,and 20 mg·g^−1 for uric *** urea,creatinine,and uric acid adsorbed onto the spherical activated carbon decomposed on heat treatment at 500℃,and the adsorption capacity of the spherical activated carbon was *** study successfully demonstrated that the spherical activated carbon can be recycled in the waste dialysate treatment process.

关键词： Adsorption Dialysate spherical activated carbon Recycling

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PREPARATION AND CHARACTERIZATION OF POLYMER-BASED spherical activated carbonS

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Chinese Journal of Polymer Science 2008年第5期26卷 645-651页

作者：李爱民 State Key Laboratory of Pollution Control and Resource Reuse Jiangsu Engineering and Technology Research Center for Organic Toxicant Control and Resource ReuseSchool of the EnvironmentNanjing UniversityNanjing 210093China

A series of spherical activated carbons(SACs)with different pore structures were prepared from chloromethylated polydivinylbenzene by ZnCl_2 *** effects of activation temperature and retention time on the yield and textural properties of the resulting SACs were *** the SACs are generated with high yield of above 65% and exhibit relatively high mesopore fraction(me%)of 35.7%-43.6% compared with conventional activated *** sample zlc28 prepared at 800℃for 2 h has the largest BET surf...

关键词： spherical activated carbon Polymer Chemical activation Pore structure Adsorption.

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