Anaerobic biodegradability of 3, 4, 5-trimethoxybenzaldehyde manufacturing wastewater and anaerobic treatment using UASB reactor

Xiliang Miao, Jiang Wu, Yo Ryu, Jialing Ni, Weikang Qi, Weicheng Li, Gyokuyu Ri, Yingxin Gao

研究成果: Article査読

抄録

In this study, with the aim of finding an economic and effective option for treating 3, 4, 5-trimethoxybenzaldehyde manufacturing wastewater from a chemical industries, Ltd., the anaerobic biodegradability of the wastewater was evaluated by a series of batch experiments. Based on the experimental data, the anaerobic treatment of the wastewater was investigated, using a single UASB, with activated sludge as seeding sludge. The influence of the organic loading rate(OLR) on the performance of the reactor was evaluated, from an initial 1.0 g·(L·d)-1 to a maximum of 10.0 g ·(L·d)-1, by step-increasing the influent COD with unaltered HRT. During 140 days of continuous operation, it was observed that the optimal OLR was 6.0 g·(L·d)-1 when the influent COD was approximately 6 000 mg·L-1, corresponding to a 60.3% COD removal rate. The respective values of pH and VFA in the effluent were approximately 7.4 and 500 mg·L-1. The experimental data during the long-term experimental run indicated the feasibility of UASB for treating of 3, 4, 5-trimethoxybenzaldehyde manufacturing wastewater.

本文言語English
ページ(範囲)3457-3461
ページ数5
ジャーナルChinese Journal of Environmental Engineering
10
7
DOI
出版ステータスPublished - 2016 7 5

ASJC Scopus subject areas

  • 環境工学
  • 環境化学
  • 水の科学と技術
  • 廃棄物管理と処理
  • 汚染

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