Research for Start-Up Experiment about IC Reactor to Treat Straw-Washing Wastewater in Straw Based Pulping and Papermaking

Abstract:

In this paper, an IC reactor whose effective volume was 6m³ was used in the experiment to determine the best condition when decontaminating the straw-washing water produced in the straw-based pulping and papermaking industry. The best condition of IC reactor to treat straw-washing wastewater through experiment was: the pH should be controlled in the neutral range, not less than 6.6; the temperature should be maintained at about 31°C, not more than 35°C; the fluctuation range of volume loading should better not be over 15%; To meet the alkalinity of the reactor over 1000mg/L, the dosage of sodium bicarbonate was 12kg / d. In the processing of reactor treating straw-washing wastewater, COD removal rate was lower, and effluent VFA stayed at a high level continuously. So the hydrolysis-acidification process was more appropriate than anaerobic treatment when decontaminating the straw-washing water.

• Periodical: Applied Mechanics and Materials (Volumes 361-363)
• Pages: 691-696
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.361-363.691
• Online since: August 2013
• Authors: Hong Chao Zhang, Yan Ping Cui*, Ke Zeng, Xu Dong Wan
• Keywords: IC Reactor, Straw-Washing Wastewater, Volume Loading

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