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An Electrochemical Strategy for Dece...

Smerigan, Blake,

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An Electrochemical Strategy for Decentralized Treatment and Ammonia Recovery From High-Strength Wastewater /

Record Type:	Electronic resources : Monograph/item
Title/Author:	An Electrochemical Strategy for Decentralized Treatment and Ammonia Recovery From High-Strength Wastewater // Blake Smerigan.
Author:	Smerigan, Blake,
Description:	1 electronic resource (137 pages)
Notes:	Source: Masters Abstracts International, Volume: 86-10.
Contained By:	Masters Abstracts International86-10.
Subject:	Water resources management. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=31936007
ISBN:	9798311900034

An Electrochemical Strategy for Decentralized Treatment and Ammonia Recovery From High-Strength Wastewater /
Smerigan, Blake,

An Electrochemical Strategy for Decentralized Treatment and Ammonia Recovery From High-Strength Wastewater /Blake Smerigan. - 1 electronic resource (137 pages)

Source: Masters Abstracts International, Volume: 86-10.

Water scarcity is a growing global concern, particularly in decentralized and rural areas where novel methods of decentralized high-strength wastewater treatment must be developed. One such technology is a combined electrochemical process of electrocoagulation (EC) and electrodialysis (ED). This study analyzed the viability of this process by performing pilot-scale testing, life cycle assessment (LCA), and techno-economic assessment (TEA) on the treatment of three different high-strength blackwaters: sewage sludge, port-o-john, and latrine. The process was the most viable in the treatment of sewage-sludge blackwater achieving a COD reduction of ~96% (to 75.3 ± 25.8 mg/L) and a NH₃-N reduction of ~97% (to 3.9 ± 1.3 mg/L) with a treatment cost of 39.6 $/m3 treated water. The process was least viable for the port-o-john blackwater as its high pollutant loading and pH causing a COD and NH₃-N reduction of ~90% (to 245 ± 136) and ~65% (to 156 ± 9.54) respectively with a cost of 39.8 $/m3 treated water. The latrine blackwater had a COD and NH₃-N reduction of ~88% (to 201 ± 40.7) and ~70% (to 78.6 ± 7.5) respectively with a cost of 40.4 $/m3 treated water. The decrease in NH₃-N removal for the port-o-john and latrine blackwater is likely due to their high pH. This also had negative impacts on their LCA. Sewage sludge, port-o-john, and latrine blackwater had negative global warming potentials (-2.42, -2.11, and -1.59 metric tons CO₂-eq/year) due to their low energy demand and compatibility with solar powered operation, however; they had high water eutrophication potentials of 5.33, 71.18, and 54.83 kg N eq/year respectively. Overall, the EC-ED process represents a low-carbon, decentralized alternative to conventional wastewater treatment, but nutrient leakage remains a concern especially for highly concentrated wastewaters. Additional studies are needed to further develop it as a circular sanitation process by improving its nutrient recovery to complement its energy and climate advantages.

English

ISBN: 9798311900034Subjects--Topical Terms:

794747
Water resources management.
Subjects--Index Terms:

Ammonia

An Electrochemical Strategy for Decentralized Treatment and Ammonia Recovery From High-Strength Wastewater /
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500 $a Source: Masters Abstracts International, Volume: 86-10.
500 $a Advisors: Liao, Wei Committee members: Liu, Yab; Saffron, Christopher.
502 $b M.S. $c Michigan State University $d 2025.
520 $a Water scarcity is a growing global concern, particularly in decentralized and rural areas where novel methods of decentralized high-strength wastewater treatment must be developed. One such technology is a combined electrochemical process of electrocoagulation (EC) and electrodialysis (ED). This study analyzed the viability of this process by performing pilot-scale testing, life cycle assessment (LCA), and techno-economic assessment (TEA) on the treatment of three different high-strength blackwaters: sewage sludge, port-o-john, and latrine. The process was the most viable in the treatment of sewage-sludge blackwater achieving a COD reduction of ~96% (to 75.3 ± 25.8 mg/L) and a NH₃-N reduction of ~97% (to 3.9 ± 1.3 mg/L) with a treatment cost of 39.6 $/m3 treated water. The process was least viable for the port-o-john blackwater as its high pollutant loading and pH causing a COD and NH₃-N reduction of ~90% (to 245 ± 136) and ~65% (to 156 ± 9.54) respectively with a cost of 39.8 $/m3 treated water. The latrine blackwater had a COD and NH₃-N reduction of ~88% (to 201 ± 40.7) and ~70% (to 78.6 ± 7.5) respectively with a cost of 40.4 $/m3 treated water. The decrease in NH₃-N removal for the port-o-john and latrine blackwater is likely due to their high pH. This also had negative impacts on their LCA. Sewage sludge, port-o-john, and latrine blackwater had negative global warming potentials (-2.42, -2.11, and -1.59 metric tons CO₂-eq/year) due to their low energy demand and compatibility with solar powered operation, however; they had high water eutrophication potentials of 5.33, 71.18, and 54.83 kg N eq/year respectively. Overall, the EC-ED process represents a low-carbon, decentralized alternative to conventional wastewater treatment, but nutrient leakage remains a concern especially for highly concentrated wastewaters. Additional studies are needed to further develop it as a circular sanitation process by improving its nutrient recovery to complement its energy and climate advantages.
546 $a English
590 $a School code: 0128
650 4 $a Water resources management. $3 794747
650 4 $a Environmental engineering. $3 548583
650 4 $a Engineering. $3 586835
650 4 $a Chemical engineering. $3 560457
653 $a Ammonia
653 $a Decentralized
653 $a Electrocoagulation
653 $a Electrodialysis
653 $a Wastewater treatment
653 $a Water scarcity
690 $a 0595
690 $a 0775
690 $a 0537
690 $a 0542
690 $a 0474
710 2 $a Michigan State University. $b Biosystems Engineering - Master of Science. $e degree granting institution. $3 3826010
720 1 $a Liao, Wei $e degree supervisor.
773 0 $t Masters Abstracts International $g 86-10.
790 $a 0128
791 $a M.S.
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