<報文>石油化学コンビナートの大気汚染質の分析調査

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"From 1949 the organic pollutants in Ichihara area have been analyzed with CC-MS．This research was perhaps the first trial of GC-MS to the environmental analysis of a kombinat. The Ichihara Kombinat, lied along the Tokyo Bay, is one of the largest petrochemical kombinat in Japan, in which about 40 chemical plants are connected．These main products were many kinds of organic compounds, such as ethylene, butadiene, stylene, BTX, synthetic resins, harogenized reagents, butanol, vinyl acetate, acetaldehide, DOP and fuels. In order to treat all these compounds, the sample concentration technique and GC-MS analysis were used from the first time. Further the single ion monitoring (SIM) method was applied to investigate the distribution of a particular materials vinyl chloride. With every plants and every years, the compounds and the concentrations measured were shown in a table. As a result of these data, it was found that the air pollution in kombinate was regard with the elements of all petrochemical raw materials and that products. In the case of odor pollution, the related material was always high level, Such as 9.8 ppb of Cyclooctadiene. With noticed materials as vinyl chloride, it was detected to several km from its source. Near the synthetic plant treating many kinds of products, the complex state on chromatogram was indicated according with its process. In five years researches, no change in pollution or decrease in pollution was each observed. The latter was based on the improvement of exhaust. Thus by a few air analysis in a year, the pollution from a kombinat was able to inspect to some extent. It is considered that the environmental research by GC-MS is effective to keep off the leakage of materials more to ensure the safety in petrochemical kombinat."
横浜国立大学の論文

<報文>石油化学コンビナートの大気汚染質の分析調査

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