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Article

MF–NF Treatment Train for Pig Manure: Nutrient Recovery and Reuse of Product Water

1
DVGW-Research Center, Water Chemistry and Water Technology, Engler-Bunte-Ring 9a, 76131 Karlsruhe, Germany
2
Engler-Bunte-Institut, Water Chemistry and Water Technology, Karlsruhe Institute of Technology, Engler-Bunte-Ring 9a, 76131 Karlsruhe, Germany
*
Author to whom correspondence should be addressed.
Academic Editors: Frank Lipnizki and Morten Lykkegaard Christensen
Membranes 2022, 12(2), 165; https://doi.org/10.3390/membranes12020165
Received: 6 January 2022 / Revised: 24 January 2022 / Accepted: 25 January 2022 / Published: 30 January 2022
(This article belongs to the Special Issue Selected Papers from Euromembrane 2021)
The livestock industry negatively impacts the environment by producing high organic and mineral loaded manure and wastewater. On the contrary, manure is also considered as the major focal point of resource recovery. The microfiltration (MF) process in manure treatment is well known for being the least complex and highly energy efficient. However, the major fraction of the dissolve nutrients easily bypasses the MF membranes. In this research work, we reported the efficiency of using MF–nanofiltration (NF) treatment train in a dead-end filtration system for the treatment of raw manure. The objectives were to produce nutrient rich separate streams in reduced volumes and a particle and pathogen-free product water. MF removed TSS above 98% and the COD and phosphorus (P) retention were noticed above 60 and 80%, respectively, within a reduced MF concentrate volume, which accounted for 40% of the initial feed volume. The NF of MF permeate by NF270 showed most promising results by concentrating overall 50 and 70% of the total nitrogen (TN) and potassium (K) within a reduced NF concentrate volume, which accounted for 30% of the initial MF feed volume. Finally, the MF–NF treatment train of raw pig manure could produce a particle-free product water that can be reused in farms to wash barns, to irrigate nearby cultures, or can be applied to specific fields based on the demand. View Full-Text
Keywords: pig manure; MF–NF train; resource recovery; volume reduction; water reuse pig manure; MF–NF train; resource recovery; volume reduction; water reuse
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MDPI and ACS Style

Samanta, P.; Schönettin, H.M.; Horn, H.; Saravia, F. MF–NF Treatment Train for Pig Manure: Nutrient Recovery and Reuse of Product Water. Membranes 2022, 12, 165. https://doi.org/10.3390/membranes12020165

AMA Style

Samanta P, Schönettin HM, Horn H, Saravia F. MF–NF Treatment Train for Pig Manure: Nutrient Recovery and Reuse of Product Water. Membranes. 2022; 12(2):165. https://doi.org/10.3390/membranes12020165

Chicago/Turabian Style

Samanta, Prantik, Hannah M. Schönettin, Harald Horn, and Florencia Saravia. 2022. "MF–NF Treatment Train for Pig Manure: Nutrient Recovery and Reuse of Product Water" Membranes 12, no. 2: 165. https://doi.org/10.3390/membranes12020165

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