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Title: Impact of trace element additives on anaerobic digestion of sewage sludge with in-situ carbon dioxide sequestration

Abstract

Anaerobic digestion (AD) of sludge at wastewater treatment plants can benefit from addition of essential trace metals such as iron, nickel and cobalt to increase biogas production for utilization in combined heat and power systems, fed into natural gas pipelines or as a vehicle fuel. This study evaluated the impact and benefits of Ni/Co and olivine addition to the digester at mesophilic temperatures. These additions supplement previously reported research in which iron-rich olivine (MgSiO4) was added to sequester CO2 in-situ during batch AD of sludge. Trace element addition has been shown to stimulate and stabilize biogas production and have a synergistic effect on the mineral carbonation process. AD with 5% w/v olivine and 1.5 mg/L Ni/Co addition had a 17.3% increase in methane volume, a 6% increase in initial exponential methane production rate and a 56% increase in methane yield (mL CH4/g CODdegraded) compared to the control due to synergistic trace element and olivine addition while maintaining 17.7% CO2 sequestration from olivine addition. Both first-order kinetic modeling and response surface methodology modeling confirmed the combined benefit of the trace elements and olivine addition. These results were significantly higher than previously reported results with olivine addition alone [1].

Authors:
; ; ; ; ORCiD logo;
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
Sacramento Municipal Utilities
OSTI Identifier:
1390923
DOE Contract Number:
AC02-06CH11357
Resource Type:
Journal Article
Resource Relation:
Journal Name: Process Biochemistry; Journal Volume: 51; Journal Issue: 9
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; olivine; anaerobic digestion; carbon dioxide sequestration; renewable methane production; trace elements

Citation Formats

Linville, Jessica L., Shen, Yanwen, Schoene, Robin P., Nguyen, Maximilian, Urgun-Demirtas, Meltem, and Snyder, Seth W.. Impact of trace element additives on anaerobic digestion of sewage sludge with in-situ carbon dioxide sequestration. United States: N. p., 2016. Web. doi:10.1016/j.procbio.2016.06.003.
Linville, Jessica L., Shen, Yanwen, Schoene, Robin P., Nguyen, Maximilian, Urgun-Demirtas, Meltem, & Snyder, Seth W.. Impact of trace element additives on anaerobic digestion of sewage sludge with in-situ carbon dioxide sequestration. United States. doi:10.1016/j.procbio.2016.06.003.
Linville, Jessica L., Shen, Yanwen, Schoene, Robin P., Nguyen, Maximilian, Urgun-Demirtas, Meltem, and Snyder, Seth W.. Thu . "Impact of trace element additives on anaerobic digestion of sewage sludge with in-situ carbon dioxide sequestration". United States. doi:10.1016/j.procbio.2016.06.003.
@article{osti_1390923,
title = {Impact of trace element additives on anaerobic digestion of sewage sludge with in-situ carbon dioxide sequestration},
author = {Linville, Jessica L. and Shen, Yanwen and Schoene, Robin P. and Nguyen, Maximilian and Urgun-Demirtas, Meltem and Snyder, Seth W.},
abstractNote = {Anaerobic digestion (AD) of sludge at wastewater treatment plants can benefit from addition of essential trace metals such as iron, nickel and cobalt to increase biogas production for utilization in combined heat and power systems, fed into natural gas pipelines or as a vehicle fuel. This study evaluated the impact and benefits of Ni/Co and olivine addition to the digester at mesophilic temperatures. These additions supplement previously reported research in which iron-rich olivine (MgSiO4) was added to sequester CO2 in-situ during batch AD of sludge. Trace element addition has been shown to stimulate and stabilize biogas production and have a synergistic effect on the mineral carbonation process. AD with 5% w/v olivine and 1.5 mg/L Ni/Co addition had a 17.3% increase in methane volume, a 6% increase in initial exponential methane production rate and a 56% increase in methane yield (mL CH4/g CODdegraded) compared to the control due to synergistic trace element and olivine addition while maintaining 17.7% CO2 sequestration from olivine addition. Both first-order kinetic modeling and response surface methodology modeling confirmed the combined benefit of the trace elements and olivine addition. These results were significantly higher than previously reported results with olivine addition alone [1].},
doi = {10.1016/j.procbio.2016.06.003},
journal = {Process Biochemistry},
number = 9,
volume = 51,
place = {United States},
year = {Thu Sep 01 00:00:00 EDT 2016},
month = {Thu Sep 01 00:00:00 EDT 2016}
}