EFFECT OF CALCIUM PEROXIDE ON OXIDOREDUCTASE ACTIVITIES IN SOIL CONTAMINATED WITH GASOLINE AND DIESEL OIL
Journal Title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica - Year 2016, Vol 39, Issue 328
Abstract
This paper presents the study on assessment of the effect of calcium peroxide on activity of chosen enzymes: dehydrogenases, catalase and o-diphenol oxidase in soil contaminated gasoline or diesel oil. Laboratory experiment was carried out on loamy sang with Corg content 8.7 g · kg–1. Into soil samples different combinations of gasoline or diesel oil (at the dosage of 50 g · kg–1) and calcium peroxide (at the amounts of 100 and 200 mg · kg–1) were added. Samples were adjusted to 60% maximum water holding capacity, and they were incubated for four weeks in tightly closed glass containers at temperature of 20°C. In soil treated with CaO2 and petroleum products, soil oxidoreductase activities were measured on days 1, 7, 14 and 28. Soil contamination with gasoline decreased in all oxidoreductase activities, while contamination with diesel oil increased in dehydrogenases and caused slight changes in catalase and o-diphenol oxidase activity. Effect of CaO2 on oxidoreductase activities in soil uncontaminated and contaminated with gasoline and diesel oil proved diversified, and depended on enzyme, incubation time, type of petroleum product and calcium peroxide dosage. Application of CaO2 in soil contaminated with petroleum products caused mainly stimulation of dehydrogenases and catalase.
Authors and Affiliations
Michał STRĘK, Arkadiusz TELESIŃSKI
Keywords
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