DETERGENT COMPOSITION FOR OIL SLUDGE AND DETERGENT METHOD USING THAT

摘要

PURPOSE: A cleansing method of a petroleum contaminant is provided to have excellent decomposing and cleansing effects for petroleum contaminants by activating an enzyme in cheonggukjang(fermented soybean) powder. CONSTITUTION: A cleansing method of a petroleum contaminant comprises: a step(S101) of obtaining a cleansing composition by mixing pure water, a cheonggukjang powder, and a surfactant; a step(S103) of mixing the composition into cleansing circulation water at 35-45 C, putting the mixture into an apparatus containing petroleum contaminants, and separating the petroleum contaminants by circulating the mixture; and a step(S105) of circulating the contaminants-containing cleansing water while increasing the temperature thereof to 100-110 C to separate inflammable gas from the apparatus and oxidizing harmful gas and contaminants. [Reference numerals] (AA) Start; (BB) End; (S101) Mixing and aging a cleansing composition; (S103) Separating contaminants; (S105) Degassing and oxidizing