Bioremediation Of Maleic Anhydride
Contaminated Soil
Author(s)
C. Y. Yin, H. S. Ng & S. Abdul-Talib
Abstract
This paper presents a bench-scale study of bioremediation of soil contaminated
with maleic anhydride. A quantity of 300 kg of contaminated soil was collected
from a petrochemical plant in Malaysia and divided into three portions in order
to investigate the effects of nutrient addition as well as mechanical aeration on
the biodegradation rate of the contaminants. Online parameters measured
included moisture content, redox potential, temperature and pH. The highest
first-order biodegradation rate constant was determined to be 6.658 day-1 for soil
pile with addition of nutrients and mechanical aeration.
Keywords: bioremediation, maleic anhydride, petrochemical industry.
1 Introduction
Bioremediation is an established means of treating contaminated soils especially
when the contaminants are organic-based. Research in bioremediation is often
focused on ex-situ bench-scale studies as such setups facilitate control of
important experimental parameters such as temperature and pH. Previous studies
on ex-situ bench-scale bioremediation include biodegradation of hydrocarbon
petroleum contaminated soil [1], gasoline-contaminated sediments [2] and
diesel-contaminated soil [3].
Maleic anhydride is used as a chemical intermediate in the synthesis of
fumaric and tartaric acid, certain agricultural chemicals, resins in numerous
products, dye intermediates and pharmaceuticals [4]. Its detrimental effects on
Keywords
bioremediation, maleic anhydride, petrochemical industry.
Related Book
Other papers in this volume
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