Balancing carbon/nitrogen ratio to improve nutrients removal and algal biomass production in piggery and brewery wastewaters

Hongli Zheng; Mingzhi Liu; Qian Lu; Xiaodan Wu; Yiwei Ma; Yanling Cheng; Min M Addy; Yuhuan Liu; R. R Ruan

doi:10.1016/j.biortech.2017.10.057

Balancing carbon/nitrogen ratio to improve nutrients removal and algal biomass production in piggery and brewery wastewaters

Hongli Zheng, Mingzhi Liu, Qian Lu, Xiaodan Wu, Yiwei Ma, Yanling Cheng, Min M Addy, Yuhuan Liu, R. R Ruan

Bioproducts and Biosystems Engineering

Research output: Contribution to journal › Article › peer-review

86 Scopus citations

Abstract

To improve nutrients removal from wastewaters and enhance algal biomass production, piggery wastewater was mixed with brewery wastewaters. The results showed that it was a promising way to cultivate microalga in piggery and brewery wastewaters by balancing the carbon/nitrogen ratio. The optimal treatment condition for the mixed piggery-brewery wastewater using microalga was piggery wastewater mixed with brewery packaging wastewater by 1:5 at pH 7.0, resulting in carbon/nitrogen ratio of 7.9, with the biomass concentration of 2.85 g L⁻¹, and the removal of 100% ammonia, 96% of total nitrogen, 90% of total phosphorus, and 93% of chemical oxygen demand. The application of the established strategies can enhance nutrient removal efficiency of the wastewaters while reducing microalgal biomass production costs.

Original language	English (US)
Pages (from-to)	479-486
Number of pages	8
Journal	Bioresource Technology
Volume	249
DOIs	https://doi.org/10.1016/j.biortech.2017.10.057
State	Published - Feb 2018

Bibliographical note

Funding Information:
This work was supported in part by grants from the Science and Technology Project of Jiangxi Provincial Department of Science and Technology (Grant Nos. 20142BBF60007 & 20071BBF60024 ), and National Natural Science Foundation of China (Grant No. 21767017 ), Innovation and Entrepreneurship Development Fund of ‘‘Thousand talents program” Talent (Grant No. 1001-02102082), and the Minnesota Environment and Natural Resources Trust Fund as recommended by the Legislative-Citizen Commission on Minnesota Resources (LCCMR), and the University of Minnesota Center for Biorefining.

Publisher Copyright:
© 2017 Elsevier Ltd

Keywords

Brewery wastewater
Carbon/nitrogen ratio
Microalga
Piggery wastewater

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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title = "Balancing carbon/nitrogen ratio to improve nutrients removal and algal biomass production in piggery and brewery wastewaters",

abstract = "To improve nutrients removal from wastewaters and enhance algal biomass production, piggery wastewater was mixed with brewery wastewaters. The results showed that it was a promising way to cultivate microalga in piggery and brewery wastewaters by balancing the carbon/nitrogen ratio. The optimal treatment condition for the mixed piggery-brewery wastewater using microalga was piggery wastewater mixed with brewery packaging wastewater by 1:5 at pH 7.0, resulting in carbon/nitrogen ratio of 7.9, with the biomass concentration of 2.85 g L−1, and the removal of 100% ammonia, 96% of total nitrogen, 90% of total phosphorus, and 93% of chemical oxygen demand. The application of the established strategies can enhance nutrient removal efficiency of the wastewaters while reducing microalgal biomass production costs.",

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AU - Cheng, Yanling

AU - Addy, Min M

AU - Liu, Yuhuan

AU - Ruan, R. R

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Balancing carbon/nitrogen ratio to improve nutrients removal and algal biomass production in piggery and brewery wastewaters

Abstract

Bibliographical note

Keywords

UN SDGs

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