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Polyethylene Glycol as a Robust, Biocompatible Encapsulant for Two-Stage Treatment of Food and Beverage Wastewater.

Record Type:	Language materials, manuscript : Monograph/item
Title/Author:	Polyethylene Glycol as a Robust, Biocompatible Encapsulant for Two-Stage Treatment of Food and Beverage Wastewater./
Author:	Gutenberger, Gretchen M.
Description:	1 online resource (80 pages)
Notes:	Source: Masters Abstracts International, Volume: 85-01.
Contained By:	Masters Abstracts International85-01.
Subject:	Environmental engineering. -
Online resource:	click for full text (PQDT)
ISBN:	9798379944438

Polyethylene Glycol as a Robust, Biocompatible Encapsulant for Two-Stage Treatment of Food and Beverage Wastewater.
Gutenberger, Gretchen M.

Polyethylene Glycol as a Robust, Biocompatible Encapsulant for Two-Stage Treatment of Food and Beverage Wastewater. - 1 online resource (80 pages)

Source: Masters Abstracts International, Volume: 85-01.

Thesis (M.S.)--University of Minnesota, 2023.

Includes bibliographical references

This research investigates encapsulation of microorganisms for two-stage anaerobic treatment of industrial food and beverage wastewater. Encapsulants were tested in batch reactors to determine the potential for biological inhibition during encapsulation. Flow through reactors were to test the leakage of microorganisms from the encapsulants over time. Five different reactor designs were explored to assess the effects of reactor conditions on encapsulant longevity and activity. It was found that polyethylene glycol (PEG) beads encapsulating biomass grown in suspension did not change in shape, activity, or protein concentration over one month in flow-through reactors. In reactors mixed by stir bars, PEG beads encapsulating suspended biomass lasted 6-10 months. PEG beads encapsulating PAC-supported biofilms improved methane production approximately 27 times compared to PEG beads encapsulating suspended biomass. This study provides information on encapsulant performance that will be used to select encapsulants for a future pilot demonstration of the pretreatment system at a brewery.

Electronic reproduction.
Ann Arbor, Mich. :
ProQuest,
2024

Mode of access: World Wide Web

ISBN: 9798379944438Subjects--Topical Terms:

557376
Environmental engineering.
Subjects--Index Terms:

Anaerobic digestionIndex Terms--Genre/Form:

554714
Electronic books.

Polyethylene Glycol as a Robust, Biocompatible Encapsulant for Two-Stage Treatment of Food and Beverage Wastewater.
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520 $a This research investigates encapsulation of microorganisms for two-stage anaerobic treatment of industrial food and beverage wastewater. Encapsulants were tested in batch reactors to determine the potential for biological inhibition during encapsulation. Flow through reactors were to test the leakage of microorganisms from the encapsulants over time. Five different reactor designs were explored to assess the effects of reactor conditions on encapsulant longevity and activity. It was found that polyethylene glycol (PEG) beads encapsulating biomass grown in suspension did not change in shape, activity, or protein concentration over one month in flow-through reactors. In reactors mixed by stir bars, PEG beads encapsulating suspended biomass lasted 6-10 months. PEG beads encapsulating PAC-supported biofilms improved methane production approximately 27 times compared to PEG beads encapsulating suspended biomass. This study provides information on encapsulant performance that will be used to select encapsulants for a future pilot demonstration of the pretreatment system at a brewery.
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650 4 $a Polymer chemistry. $3 1182163
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653 $a Anaerobic digestion
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653 $a Polyethylene glycol
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