關于化學質量平衡(CMB)受體模型應用中若干技術問題的研究摘

關于化學質量平衡(CMB)受體模型應用中若干技術問題的研究

摘要

／化學質量平衡(CMB)受體模型已被廣泛地用來研究環境空氣中顆

、

粒物的來源，并已在顆粒物污染防治工作中發揮了重要作用。為了豐 富和發展大氣顆粒物源解析技術，使之更好地為環境管理服務礦本論 文針對目前應用CMB模型開展大氣顆粒物源解析研究中存在的問題， 著重于方法學和理論研究。提出了建立具有代表性的顆粒物源成分譜 的原則和方法；對CMB模型輸出結果的不確定性進行了研究，提出了 窮舉法解決一組數據多種結果的技術方法，并編寫了相應的軟件；闡 明了揚塵的含義，對揚塵的化學組成及來源進行了深入的研究：提出 了二重源解析技術方法，解決了同一源類的顆粒物從不同的途徑進入 到環境空氣中的問題；為研究顆粒物污染的空間分布特征，在二重源 解析技術基礎上，提出了域際解析技術方法；利用所取得的研究成果， 對濟南市和石家莊市環境空氣中TSP和PM。。的來源進行了解析，并討 論其來源特征。

關鍵詞：大氣顆粒物?化學質量平衡，{CMB)d受體模型j源解慨源

，／＼一

成分譜、窮舉法、揚專、二重源解析技術、域際解析技術，

ABSTRACT

ABSTRACTOFTHEDISSERTATION

Study on Techniques of Source Apportionment

of Airborne Particulate Using Chemical Mass Balance

(CMB)Receptor Model

By Feng Yinchang

Major：Environment Science

Written under the direction of Professor Zhu Tan

Chemical Mass Balance(CMBl receptor modeling has been shown to be an important technique in research of sources of atmospheric particulate matter(PM)and a scientific support for PM pollution prevention decisions．Atier more than 20 years’ development．it turns to be a significant PM source apportionment model and has made great contribution to PM pollution prevention．However,there are some problem in the application of CMB receptor model．The emphases of tllis dissertation are methodology and theory study about CMB receptor model and its application．The fundamentals and methods about sources profile construction have been put forward； A new method to solve the problem that a group of data often produces several outcomes has been brought forward，and a software including the method about CMB receptor model has been written in C language；The meaning of fugitive dust has been elucidated clearly,and the chemicals and source components of fugitive dust of Jinan

and Shi_jiazhuang cities have been characterized； Improved．．Source．．Apportionment

technique of atmospheric PM on the basis of study of emission and composition

characteristics of fugitive dust has been presented for the first time，the technique

solved the problem th

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