Abstract

불화수소는 유리의 식각, 금속의 녹 제거 등 산업계에서 많이 사용되는 대표적인 무기산이며 노출 시 눈, 코, 목안을 강하게 자극하고, 흡입 시 폐렴, 폐수종 기관지염을 일으키는 대표적인 유독물질에 해당하는 화학물질로 구분되어 있다. 현행 폐기물공정시험기준에는 불소화합물에 대한 함량분석방법이 마련되어 있지 않아 최근 발생된 불화수소 누출사고로 발생된 불산에 오염된 농작물, 수목 등 가연성 폐기물의 신속하고 안전한 처리방법 마련에 어려움을 겪었다. 본 연구에서는 불화수소 누출사고로 발생된 가연성 폐기물(농작물, 수목 등) 중 불소 및 불소화합물의 함량분석방법 마련을 통해 폐기물의 불산 오염여부를 판단하고 적절한 폐기물 처리방법을 제시하고, 향후 이 방법을 폐기물 관리법상에 지정폐기물에 함유된 유해물질로 불소 및 불소화합물에 대한 항목 추가 시 폐기물공정시험기준으로 활용하고자 한다. Hydrofluoric acid (HF), a typical inorganic acid, has been used in the industry for its various usage and classified as the toxic compound, because it can cause the pneumonia and pulmonary edema when it was exposed to respiratory organs. The official environmental analytical method for fluorine and its compound in waste has not been developed. For this reason, we have faced some problem to treat the contaminated wastes by the HF leakage from industrial process. In this study, prepared for analytical method for combustible waste (crop, trees, etc.) generated from HF leaking accident and to be applied as the official analytical method for fluorine contaminated waste when the fluorine and its compound will be regulated as a hazardous material by the waste management law later.

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