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在精煉企業(yè)中研究惡臭污染的環(huán)境濃度標準畢業(yè)論文外文翻譯-其他專業(yè)-資料下載頁

2025-01-19 08:35本頁面

【導讀】(1環(huán)境技術研究所,石油大學,北京102249化學的中心,中國;2環(huán)境科學和工程系,析方法和歐洲標準的強度分類已被考慮。澳大利亞制造的動態(tài)嗅覺測量器從18. 在一特定精煉廠內通過氣味濃度和強度之間的關。系,以4ou·m-3為標準值作為結果。合理的質量標準。氣味污染作為一種引起社會強烈意識的污染已經(jīng)引起越來越多的關注。對氣味在環(huán)境影響方面投訴的比例日益增加。但是全球還沒有系統(tǒng)性的關于氣味。境質量標準在中國仍然是缺乏。在復雜的反應過程中會產(chǎn)生大量的令人作嘔或敏感的氣味物質。令人不安的氣味釀成的多個事故在石化企業(yè)。不斷發(fā)生,這使得迫切需要解決這類難題。研究確定的標準是有利于中國在氣味評。目前國與國之間在氣味發(fā)現(xiàn)系統(tǒng)方面存在分歧。在中國儀器分析和三角形的。器用來檢測混合氣體的氣味濃度而且已經(jīng)形成相對統(tǒng)一的標準。標準應立足于明確的檢測和符合標準氣味閾值的氣味濃度。明這三個樣品受污染嚴重。通過調查發(fā)現(xiàn)在該煉油

  

【正文】 m3. Odour Intensity Index Presented Odour Concentration( OU/m3) Relations between the odor intensity and concentration of the gas sample from the north area The gas samples are gathered from the distillation plant, the first catalytic plant and the coking plant. The anic sulfur as dimethyl thioether exists in the process which has low thresholds can be sensed even with the small concentrations. Study on odour concentration and intensity of the south area The relation between the odor intensities and the analysis results of the gas samples is shown in . I=(POC)+, DOC(discernable odor concentration) is m3. Relations between the odor intensity and concentration of the gas sample from the south area There have the second recycling water treating facility and the catalytic plant in the south area. The odor pollution is severer where the odor gas contains sulfide and nitride with low thresholds, which make the discernable odor concentration lower. The environmental odor standard of the refinery The detecting results of 18 gas samples have been shown on . Linear regressed from these spots, we can get: I=(POC)+. DOC(discernable odor concentration) is m3. Relations between the odor intensity and concentration of the refinery surrounding The discernable odor concentrations of the four areas are very close: m3, m3, m3 and m3. This indicates the last concentration value is creditable. Odour Intensity Index Odour Intensity Index Odour Intensity Index Presented Odour Concentration( OU/m3) Presented Odour Concentration( OU/m3) Presented Odour Concentration( OU/m3) The odor intensity standard of this refinery is fixed on the grade 3 referred to the foreign odor intensity standards. The standard value of odor concentration is 4oum 3. 5 Conclusions The thesis studied the odor environmental standards and brought the method to establish the standard according to the present situations in China and abroad. Based on the actual conditions in the refinery, through the collection and analysis of the gas samples from different sites, it is found that the positions of odor in the refineries have certain monness and people have close senses to the odor there. The gas samples from different areas of the refinery are detected statistically to establish the relations between the concentrations and intensities. Finally, the relations as I=(POC)+ are received. The intensity grade is fixed as 3 and the odor concentration standard is 4 oum3. It’s a reasonable quality standard of the odor environment assessment for petrochemical enterprises. References [1] Chen Hongguo. Probe of Odor Pollution and odor Control in Refinery. ENVIRONMENT PROTECYION IN PETROCHEMICAL INDUSTRY, 1995,(4): 3137 [2] Department of Science amp。 Technology and Standards, NEPA. Air qualityDetermination of odorTriangle odor bag , 1993(in Chinese) [3] Guidance for the Assessment of Environmental FactorsAssessment of Odour Impacts from New proposals No 47; Environmental Protection Authority: Western Australia, 2021 [4] iang,J. Development of Odour Impact Criteria Using Odour Intensity Measurement and Community :2nd international conference on Air Pollution from Agricultural Operations, Desmoines,IA ,2021 [5] iang, J. Development of Odour Impact Criteria for the Australian Pig Industry。Prepared for Australian Pork limited,The University of New South Wales: Sydney,Australia ,2021 [6] Guo J,Liang J. Evaluation of Odor Pollution in the Sewage Treatment Plant. CHINA WATER amp。 WASTEWATER. 2021 ,18:4142(in Chinese) [7] Katox Tatsuo, Kazuo Tomohiko. Odour Analysis on Instrument. Beijing: China Environmental Science Press,1992. 39(in Chinese) [8] HI Lei。 LI Changjian. Regulation and Measurement of Odors in the USA. Urban Environment amp。 Urban Ecology. 2021, 17(3):4042(in Chinese) [9] Draft and Management of Odour from Stationary Sources in PROTECTION :1213 [10] SHI Lei. Method for Making Offensive Odor Intensity Standard. Urban Environment amp。 Urban , 7(4):3235(in Chinese)
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