Study on the Biodegradation of Class a Foam by CO2 Evolution Method

Xian Zhong Zhang; Zhi Ming Bao; Lei Wang; Xue Cheng Fu

doi:10.4028/www.scientific.net/AMR.518-523.525

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 518-523Study on the Biodegradation of Class a Foam by CO2...

Study on the Biodegradation of Class a Foam by CO₂ Evolution Method

Abstract:

The interest in the effect of firefighting foams on the environment has increased. Biodegradation is an important influencing factor when considering the environmental effect of firefighting foams. In this paper, an evaluation system based on CO₂ evolution method was established to evaluate the biodegradation of Class A foams, and the biodegradation of three kinds of Class A foams were compared. The results show that both aniline and sodium benzoate can be employed as reference compounds using CO₂ evolution method. Three kinds of Class A foams had biodegradation rates of 88.64%, 85.27% and 88.62% respectively after 28 days, which means they are easily biodegradable. Data from different test methods could not be compared directly.

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Periodical:

Advanced Materials Research (Volumes 518-523)

Pages:

525-528

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.525

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Online since:

May 2012

Authors:

Xian Zhong Zhang, Zhi Ming Bao, Lei Wang, Xue Cheng Fu

Keywords:

Biodegradation, Class A Foam, CO₂ Evolution, Environmental Impact (EI)

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