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구두발표(OC)-농업화학 및 생태,식품분야 : OC-04 ; 황산화 미생물(SOB)을 이용한 토양 독성 평가
나비드 ( Naveed Ahmed Qambrani ),신범수 ( Boem Soo Shin ),오상은 ( Sang Eun Oh ) 한국환경농학회 2014 한국환경농학회 학술대회집 Vol.2014 No.-
A sulfur-oxidizing bacteria (SOB) was successfully applied on the Cd2+ contaminated soil toxicity assessment in batch tests. The monitoring of pH and EC is enough to detect SOB activity. The SOB was found active in different weights of sulfur particles and a 25 g SOB attached sulfur particles were selected to be used in tests. EC and sulfate were found to be correlated with each other, and increasing soil quantity in the reactors decreased the EC change and sulfate production. Contaminated soil having 2 to 64 mg/L Cd2+ concentration was checked. An EC50 of 7.05 mg/L was calculated for Cd2+ contaminated soil. The SOB system was found to be efficient in detecting soil toxicity and can be applied for the evaluation of soil.