Volatile fatty acid adsorption on anion exchange resins: kinetics and selective recovery of acetic acid

被引：35
|
作者：
Eregowda, Tejaswini [1 ,2 ]
Rene, Eldon R. [1 ]
Rintala, Jukka [2 ]
Lens, Piet N. L. [1 ,2 ]
机构：
[1] UNESCO IHE, Inst Water Educ, POB 3015, NL-2601 DA Delft, Netherlands
[2] Tampere Univ Technol, Dept Chem & Bioengn, Tampere, Finland
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2020年 / 55卷 / 08期
基金：
欧盟地平线“2020”;
关键词：
Volatile fatty acids; selective recovery; anion-exchange resins; Brunauer-Emmett-Teller model; GRAPE POMACE; WASTE-WATER; FOOD WASTE; FERMENTATION; ELECTRODIALYSIS; EQUILIBRIUM; PERFORMANCE; ADSORBENTS; EXTRACTION; DIGESTION;
D O I：
10.1080/01496395.2019.1600553
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The removal of volatile fatty acids was examined through adsorption on anion exchange resins in batch systems. During the initial screening step, granular activated carbon and 11 anion exchange resins were tested and the resins Amberlite IRA-67 and Dowex optipore L-493 were chosen for further investigation. The adsorption kinetics and diffusion mechanism and adsorption isotherms of the two resins for VFA were evaluated. Based on the selective adsorption capacity of the resins, a sequential batch process was tested to achieve separation of acetic acid from the VFA mixture and selective recoveries > 85% acetic acid and 75% propionic acid was achieved.
引用
收藏
页码：1449 / 1461
页数：13
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