Magnesium carbonate precipitate strengthened aerobic granules

Bioresource Technology
Duu-Jong Lee, Yu-You Chen

Abstract

Aerobic granules were precipitated internally with magnesium carbonate to enhance their structural stability under shear. The strengthened granules were tested in continuous-flow reactors for 220 days at organic loadings of 6-39 kg/m(3)/day, hydraulic retention times of 0.44-19 h, and temperatures of 10 or 28°C. The carbonate salt had markedly improved the granule strength without significant changes in granule morphology or microbial communities (with persistent strains Streptomyces sp., Rhizobium sp., Brevundimonas sp., and Nitratireductor sp.), or sacrifice in biological activity for organic degradation. MgCO3 precipitated granules could be used in continuous-flow reactor for wastewater treatment at low cost and with easy processing efforts.

References

Jun 25, 2008·Biotechnology Advances·Sunil S AdavJoo-Hwa Tay
Jun 23, 2009·Bioresource Technology·Sunil S AdavJuin-Yih Lai
May 28, 2011·Water Research·Mañas AngelaSpérandio Mathieu
Oct 16, 2012·Applied Microbiology and Biotechnology·M-K H WinklerM C M van Loosdrecht
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Jul 27, 2014·Bioresource Technology·Yi LvJoo-Hwa Tay

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Citations

Feb 14, 2016·Bioresource Technology·Quanguo ZhangDuu-Jong Lee
Jul 29, 2015·Bioresource Technology·E SujaV P Venugopalan
Jul 6, 2016·Bioresource Technology·Yu-You ChenDuu-Jong Lee
Jul 11, 2016·Bioresource Technology·Yu-You ChenDuu-Jong Lee
Apr 11, 2020·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·Iván Moreno-AndradeAntonio López-Rodríguez

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