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Dehydration kinetics of antibiotic fermentation residues by dehydration agents at room temperature
Environmental Progress & Sustainable Energy ( IF 2.8 ) Pub Date : 2021-01-02 , DOI: 10.1002/ep.13596
Chenchen Guo 1 , Chang Zhou 2 , Xiaolin Liu 2 , Qingfen Liu 1
Affiliation  

Harmless disposal of antibiotics fermentation residues (AFRs) is required due to the risk of inducing drug-resistant via the residual antibiotics. AFRs are rich in colloidal water to be hardly removed by mechanical methods, leading to the energy-intensive dewatering. Dehydration agents (DAs) can be used to treat the wet AFRs, in which colloidal water was transferred into the hydrate of DA and formed solid AFRs–DA mixture at room temperature. In this article, the dehydration kinetics of AFRs was investigated systematically. The results show that the dehydration followed the first-order kinetic equation and the main influences were temperature, feed ratio, and the particle size of DA. In addition, the quantitative relationship of kinetic parameters with the feed ratio and temperature were established, providing the basic data for further reducing the energy consumption of AFRs disposal.

中文翻译:

室温下脱水剂对抗生素发酵残留物的脱水动力学

由于存在通过残留抗生素诱发耐药性的风险,因此需要对抗生素发酵残留物 (AFR) 进行无害处理。AFRs 含有大量的胶体水,很难通过机械方法去除,导致脱水需要高能耗。脱水剂 (DAs) 可用于处理湿 AFRs,其中胶体水被转移到 DA 的水合物中,并在室温下形成固体 AFRs-DA 混合物。在本文中,系统地研究了 AFRs 的脱水动力学。结果表明,脱水遵循一级动力学方程,主要影响因素是温度、进料比和DA的粒径。此外,还建立了动力学参数与进料比和温度的定量关系,
更新日期:2021-01-02
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