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논문 기본 정보

자료유형
학술저널
저자정보
윤영삼 (국립환경과학원)
저널정보
한국위험물학회 한국위험물학회지 한국위험물학회지 제5권 제1호
발행연도
2017.6
수록면
26 - 34 (9page)

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초록· 키워드

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The first response institutions such as the Environmental Agency, the Chemical Disaster Prevention Center, the National Emergency Management Agency, the National Police Agency and local governments to chemical accident have requested refined core technology information to respond efficiently to accidents. Therefore, similar to the chemical reports of chemical substances in the United States and Canada, the first report on the environmental diffusion, toxicity, and accident response of available hydrogen chlorine is presented. It has been found that the release of hydrogen chloride into the atmosphere is removed by wet precipitation and the half-life is about 1 to 5 days. It is characterized by high solubility in water and dissociation in water, so that bioconcentration does not occur. Inhalation of hydrogen chloride may be the most sensitive indicator of exposure and may be exposed when skin contact occurs in a workplace that produces or uses hydrogen chloride or hydrochloric acid in the case of exposure through eye or skin contact. In connection with acute effects on exposure to hydrogen chloride, hydrogen chloride may cause mild irritation to the eyes and skin to severe burns. Animal studies have shown that oral LD50 values were 238-277 ㎎/㎏ and inhalation LC50 values were 4.2 ㎎/L/60min. For rabbits, LD50 is reported to be more than 5,010 mg/kg for percutaneous and mouse LC50 value is reported to be 1.7 mg/L/60min. In the event of a hydrogen chloride spill, it is necessary to reduce the generation of steam in the spill area and to prevent the vapor cloud from moving. It is also recommended to use calcium carbonate, sodium bicarbonate, lime powder, dry soil, crushed stone, vermiculite, fly ash, powder cement, caustic soda and other non-combustible materials. The fire suppression method should stop the gas flow before the fire suppression and report it to the fire department to inform the fire position and the danger. In the case of tank fire, it should be suppressed to the unmanned hose support or monitor nozzle as far as possible. Containers that have been exposed to fire should be cooled by large quantities of water and water should not enter the container. When accompanied by a fire accident, the evacuation distance is around 1,600m. In case of fire, extinguisher should be extinguished by using water spray, water spray, powder fire extinguisher, carbon dioxide, alcohol-resistant foam.

목차

Abstract
Ⅰ. 서론
Ⅱ. 연구내용 및 방법
Ⅲ. 결과 및 고찰
Ⅳ. 결론
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