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  • Evaluation of activated sludge for biodegradation of propylene glycol as an aircraft deicing fluid.

Evaluation of activated sludge for biodegradation of propylene glycol as an aircraft deicing fluid.

Water environment research : a research publication of the Water Environment Federation (2014-05-24)
Justin D Delorit, LeeAnn Racz
ABSTRACT

Aircraft deicing fluid used at airport facilities is often collected for treatment or disposal in order to prevent serious ecological threats to nearby surface waters. This study investigated lab scale degradation of propylene glycol, the active ingredient in a common aircraft deicing fluid, by way of a laboratory-scale sequencing batch reactor containing municipal waste water treatment facility activated sludge performing simultaneous organic carbon oxidation and nitrification. The ability of activated sludge to remove propylene glycol was evaluated by studying the biodegradation and sorption characteristics of propylene glycol in an activated sludge medium. The results indicate sorption may play a role in the fate of propylene glycol in AS, and the heterotrophic bacteria readily degrade this compound. Therefore, a field deployable bioreactor may be appropriate for use in flight line applications.

MATERIALS
Product Number
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Product Description

Sigma-Aldrich
(R)-(−)-1,2-Propanediol, 96%
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100 μg
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Sigma-Aldrich
Propylene glycol, ≥99.5% (GC), FCC, FG
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100 μg
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Sigma-Aldrich
Propylene Glycol, meets USP testing specifications
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100 μg
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Supelco
Propylene glycol, Pharmaceutical Secondary Standard; Certified Reference Material
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100 μg
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Propylene glycol, European Pharmacopoeia (EP) Reference Standard
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100 μg
Estimated to ship on March 22, 2025
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USP
Propylene glycol, United States Pharmacopeia (USP) Reference Standard
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100 μg
Estimated to ship on March 22, 2025
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Sigma-Aldrich
(S)-(+)-1,2-Propanediol, 96%
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100 μg
Estimated to ship on March 22, 2025
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Supelco
1,2-Propanediol, analytical standard
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100 μg
Estimated to ship on March 22, 2025
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Sigma-Aldrich
1,2-Propanediol, puriss. p.a., ACS reagent, ≥99.5% (GC)
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100 μg
Estimated to ship on March 22, 2025
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Sigma-Aldrich
1,2-Propanediol, ACS reagent, ≥99.5%
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100 μg
Estimated to ship on March 22, 2025
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Sigma-Aldrich
1,2-Propanediol, tested according to Ph. Eur.
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100 μg
Estimated to ship on March 22, 2025
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Sigma-Aldrich
1,2-Propanediol, meets analytical specification of Ph. Eur., BP, USP, ≥99.5%
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100 μg
Estimated to ship on March 22, 2025
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Sigma-Aldrich
1,2-Propanediol, SAJ special grade, ≥99.0%
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100 μg
Estimated to ship on March 22, 2025
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Sigma-Aldrich
1,2-Propanediol, SAJ first grade, ≥99.0%
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100 μg
Estimated to ship on March 22, 2025
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Sigma-Aldrich
1,2-Propanediol, ReagentPlus®, 99%
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100 μg
Estimated to ship on March 22, 2025
A recombinant, preservative-free antibody is available for your target. Try ZRB1515
$484.00