本文關鍵詞：蘭州市西固化工園區(qū)大氣環(huán)境容量變動及總量控制研究　出處：《蘭州大學》2014年碩士論文　論文類型：學位論文

  更多相關文章： 大氣環(huán)境容量 總量控制 削減 A-P值法 多源模型法

【摘要】：蘭州市西固化工園區(qū)的發(fā)展帶動地區(qū)經濟發(fā)展的同時產生了不容忽視的環(huán)境問題,其中以大氣環(huán)境問題最為突出。如何解決西固化工園區(qū)大氣環(huán)境問題,已成為西固化工園區(qū)周邊村民和蘭州市政府關注的重大問題。 2005年蘭州大學對西固化工園區(qū)進行了環(huán)境影響后評估,制定了園區(qū)污染物總量控制方案,并提出區(qū)域經濟可持續(xù)發(fā)展的戰(zhàn)略對策。然而,自后評估以來西固化工園區(qū)污染源及環(huán)境空氣質量發(fā)生了一系列的變化,同時2012年國家環(huán)保部頒布了《環(huán)境空氣質量標準》(GB3095-2012),蘭州市作為省會城市于2012年實施該標準。按照新標準的要求,西固化工園區(qū)原來大氣功能三類區(qū)并入二類區(qū),并且執(zhí)行的標準值更加嚴格,這對西固化工園區(qū)的環(huán)境空氣質量提出了更高的要求。在新背景條件下,為了更好的控制和改善西固化工園區(qū)大氣污染問題,需要針對變化后的西固化工園區(qū)的環(huán)境容量進行重新核定并制定總量削減方案。 本文綜合考慮了蘭州市西固化工園區(qū)的地形特征及污染氣象特征,分析了西固化工園區(qū)近十年來污染源變動、空氣質量變遷趨勢等,以2005年西固化工園區(qū)環(huán)境影響后評估報告為基礎,沿用后評估報告中的A-P值法對西固化工園區(qū)的環(huán)境容量重新核算,確定環(huán)境容量指標及污染物削減量,并與2005年確定的容量進行對比,分析西固化工園區(qū)環(huán)境容量的變動；同時根據大氣環(huán)境質量現狀、污染源分布等資料,對多源模型法應用于西固化工園區(qū)計算環(huán)境容量及確定總量控制方案的適用性及研究方法進行初探。通過本論文的研究,得出以下結論： (1)沿用A-P值法確定2014年西固化工園區(qū)大氣環(huán)境容量SO220895t/a、 NO213930t/a、TSP69650t/a、NMHC46665.5t/a, NO2、TSP已無剩余環(huán)境容量,SO2、NMHC剩余環(huán)境容量為14037.95t/a、31481.98t/a,分別占總環(huán)境容量的67.18%、63.2%。對比2005年與2014年環(huán)境容量可知：2005年NMHC、SO2沒有環(huán)境容量,TSP剩余77950.9t/a、NO2剩余10265.35t/a,區(qū)域的環(huán)境容量發(fā)生較大變化。 (2)根據總量指標及現狀排放量確定削減方案：其中SO2中架源削減總量為115.16t,高架源削減總量為449.19t；NO2中架源削減總量為55.9t,高架源削減總量為11578.97t；針對TSP應加強控制區(qū)及周邊區(qū)域建筑工程管理及生態(tài)工程建設的同時削減控制區(qū)高架源TSP排放,NMHC無需削減。 (3)多源模型法適用于計算西固化工園區(qū)S02、N02環(huán)境容量,對TSP、 NMHC環(huán)境容量計算并不適用；多源模型法計算出的SO2、NO2環(huán)境容量比A-P值法更為保守,有利于更好的保護控制區(qū)環(huán)境空氣質量,建議今后西固化工園區(qū)SO2、N02環(huán)境容量研究采用多源模型法進行核算。 希望本文的研究有助于科學控制西固化工園區(qū)大氣污染,改善西固化工園區(qū)環(huán)境空氣質量。
[Abstract]:The development of Lanzhou City Xigu Chemical Industrial Park to drive regional economic development and environmental problems can not be ignored, the atmospheric environment is a prominent problem. How to solve the problem of atmospheric environment in Xigu Industrial Park, has become a major problem in Xigu Chemical Industrial Park and surrounding villagers Lanzhou municipal government attention.
Lanzhou University in 2005 by the environmental impact to the solid chemical industry park assessment, made the plan of total control of pollutant, and put forward strategic countermeasures for the sustainable development of regional economy. However, evaluation of a series of changes since the Xigu Chemical Industry Park pollution sources and air quality of the environment at the same time after, the state environmental protection department in 2012 promulgated the "environmental air quality standard > (GB3095-2012), as the provincial capital of Lanzhou city in 2012 the implementation of the standards. In accordance with the requirements of the new standard, the original function of atmospheric chemical industry park Xigu three area into two districts, and the implementation of the standard value of more stringent, which puts forward higher requirements on the air quality of the environment Xigu Industrial Park in the new background. Under the condition, in order to control the air pollution problem and improve the Xigu Chemical Industry Park better, need to change the Xigu chemical industrial park environmental capacity again Check and formulate a total reduction plan.
Considering the terrain characteristics and pollution meteorological characteristics of Lanzhou Xigu Chemical Industrial Park, analyzes the Xigu chemical industry park for nearly ten years of pollution source changes, the air quality change trend, the environmental impact assessment report 2005 Xigu Chemical Industry Park as the foundation, use after the assessment of the A-P value method to the solid chemical industrial Park to determine the environmental capacity calculation, capacity index and pollutant reduction, and 2005 to determine the capacity of comparison, analysis of the environmental capacity of the chemical industry park Xigu changes; at the same time according to the present situation of the environmental quality of atmosphere, the distribution of pollution sources, study on the method for application of multi model method in Xigu chemical industrial park environmental capacity and determine the total amount of calculation the control scheme and research. Through the research of this paper, draw the following conclusions:
(1) use the A-P value method to determine the atmospheric environmental capacity in 2014 SO220895t/a, NO213930t/a TSP69650t/a, Xigu Industrial Park, NMHC46665.5t/a, NO2, TSP have no residual capacity of the environment, SO2 NMHC, 14037.95t/a 31481.98t/a for the remaining environmental capacity, environmental capacity, which accounted for 67.18%, compared to 2005 and 2014 63.2%. environmental capacity shows: 2005 NMHC, SO2 no environmental capacity, the remaining TSP 77950.9t/a, NO2 remaining 10265.35t/a, the environmental capacity in the region changed greatly.
(2) to determine the reduction plan according to the total index and the status of emissions: the SO2 frame source reduction of total 115.16t, total 449.19t elevated source reduction; NO2 frame source reduction of total 55.9t, total 11578.97t elevated source reduction; for TSP should strengthen the control of construction project management and construction of ecological engineering and the surrounding area at the same time cut control region elevated source TSP emissions, NMHC not be cut.
(3) source model is used in the calculation of Xigu Chemical Industrial Park S02, N02 of TSP, the environmental capacity is not suitable for calculating the environmental capacity of NMHC; the multisource model was used to calculate the environmental capacity of SO2, NO2 value method is more conservative than A-P, protection of control air quality better, in Xigu Chemical Industrial Park SO2 study on the environmental capacity of N02, the source model of accounting.
I hope this study is helpful to the scientific control of Xigu chemical industry park, air pollution, improve air quality of the environment in Xigu Industrial Park.

【學位授予單位】：蘭州大學
【學位級別】：碩士
【學位授予年份】：2014
【分類號】：X26;X51

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