Impact of Fe and Ni Addition on the VFAs’ Generation and Process Stability of Anaerobic Fermentation Containing Cd
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Materials
2.2. Anaerobic Fermentation Experiment
2.3. Measurements
2.4. Data Analysis
3. Results and Discussion
3.1. Biogas Properties
3.1.1. Cumulative and Daily Biogas Yields
3.1.2. CH4 Content
3.2. Process Stability
3.2.1. pH Values
3.2.2. Oxidation Reduction Potential (ORP)
3.3. Substrate Biodegradation
3.3.1. NH4+–N Concentration
3.3.2. Responses of VFA
3.4. Microbial Properties
3.4.1. Structure of Bacterial Communities
3.4.2. Methanogens and Their Relationships with Fermentation Parameters
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Zhang, H.; Xu, Y.; Tian, Y.; Zheng, L.; Hao, H.; Huang, H. Impact of Fe and Ni Addition on the VFAs’ Generation and Process Stability of Anaerobic Fermentation Containing Cd. Int. J. Environ. Res. Public Health 2019, 16, 4066. https://doi.org/10.3390/ijerph16214066
Zhang H, Xu Y, Tian Y, Zheng L, Hao H, Huang H. Impact of Fe and Ni Addition on the VFAs’ Generation and Process Stability of Anaerobic Fermentation Containing Cd. International Journal of Environmental Research and Public Health. 2019; 16(21):4066. https://doi.org/10.3390/ijerph16214066
Chicago/Turabian StyleZhang, Huayong, Yanli Xu, Yonglan Tian, Lei Zheng, He Hao, and Hai Huang. 2019. "Impact of Fe and Ni Addition on the VFAs’ Generation and Process Stability of Anaerobic Fermentation Containing Cd" International Journal of Environmental Research and Public Health 16, no. 21: 4066. https://doi.org/10.3390/ijerph16214066