Crystallization and phosphorus removal from anaerobic effluent in A/O alternant biofilters

DOI

10.2991/icseee-15.2016.77How to use a DOI?

Keywords

crystallizationï¼›crystallization time; phosphorus removal rateï¼›water quality condition

Abstract

In order to reveal the influence of reaction conditions on the phosphorus crystallization to recover phosphorus from wastewater with low P concentration, an alternate A/O biofiltration system for simulated domestic wastewater treatment was carried out and the effluent from anaerobic filter was considered as the reaction liquid for P crystallization, as well as the influences of phosphorus by beginning phosphorus concentration, pH, Mg/P molar ratio and reaction time on the MAP crystallization and P removal were test systemlly. The results showed that the pH is the main influence factor on the crystallization time, and the higher pH value, the shorter crystallization time. Under the condition of the low P concentration, the key factor of the crystallization phosphorus removal rate is the Mg/P. Improve the Mg/P molar ratio mghit increase the phosphorus removal rate greatly.In addation, when the Mg/P molar ratio is 1:1 and the reaction time is 10 minutes, the lowest crystallization concentration is 18mg/L.

Copyright

© 2016, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

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TY  - CONF
AU  - Hongtao Cheng
AU  - Liping Qiu
AU  - Shoubin Zhang
AU  - Jiabin Wang
AU  - Kang Xie
PY  - 2016/04
DA  - 2016/04
TI  - Crystallization and phosphorus removal from anaerobic effluent in A/O alternant biofilters
BT  - Proceedings of the 2015 4th International Conference on Sustainable Energy and Environmental Engineering
PB  - Atlantis Press
SP  - 478
EP  - 482
SN  - 2352-5401
UR  - https://doi.org/10.2991/icseee-15.2016.77
DO  - 10.2991/icseee-15.2016.77
ID  - Cheng2016/04
ER  -