Indexed by:
Abstract:
The pharmaceutical industry is a significant emission source of water-soluble volatile organic compounds (VOCs). However, these VOCs are primarily treated through adsorption on activated carbon or combustion methods, leading to high the generation of hazardous solid waste or energy consumption. This study proposed an innovative approach to address these issues by integrating spray absorption with biological treatment in sequencing batch reactors (SBRs). The results indicated that after spray absorption, more than 90 % of ethanol could be removed in SBRs, while 1-6 % of ethanol was emitted into the atmosphere, depending on aeration intensity and ethanol concentration. Although the intermittent emissions of ethanol gas resulted in a high variation in loading into the activated sludge system, stable and efficient treatment of ethanol was achieved. Amaricoccus was predominated as the primary bacterium responsible for ethanol degradation, indicating a robust microbial community capable of adapting to fluctuating ethanol levels. This study provides an environment-friendly and efficient solution to treating water-soluble VOCs. The proposed method utilizes existing infrastructure such as spray towers and biological treatment facilities commonly found in pharmaceutical enterprises, making it a cost-effective and easily implementable technology. This study contributes to the advancement of understanding in the field of VOCs treatment.
Keyword:
Reprint Author's Address:
Email:
Source :
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
ISSN: 2213-2929
Year: 2024
Issue: 6
Volume: 12
7 . 7 0 0
JCR@2022
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 9
Affiliated Colleges: