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5環(huán)境空氣影響評價5.1污染源調(diào)查區(qū)域內(nèi)近3年環(huán)評批復(fù)的在建工程污染物排放情況見表5.1-1。表5.1-1污染源調(diào)查表單位:t/a企業(yè)名稱SO2NO2粉塵菏澤永澤化工科技1.383.010.365.2環(huán)境空氣質(zhì)量現(xiàn)狀監(jiān)測與評價擬建工程1#、2#點(diǎn)常規(guī)數(shù)據(jù)引用?菏澤永澤化工科技年產(chǎn)10萬噸有機(jī)醇酯類產(chǎn)品生產(chǎn)工程環(huán)境影響報告書?現(xiàn)狀監(jiān)測數(shù)據(jù),其監(jiān)測時間為2014年4月17日~4月23日,自監(jiān)測至今,周圍沒有大的污染源投運(yùn),因此以上監(jiān)測數(shù)據(jù)可以作為本工程現(xiàn)狀監(jiān)測數(shù)據(jù)。其它數(shù)據(jù)為本次現(xiàn)狀監(jiān)測數(shù)據(jù)。5.1、監(jiān)測布點(diǎn)在擬建廠址附近共設(shè)4個環(huán)境現(xiàn)狀監(jiān)測點(diǎn),各測點(diǎn)編號、相對位置、距離及布設(shè)情況見表5.2-1以及圖5.2-1。表5.2-1大氣環(huán)境質(zhì)量現(xiàn)狀監(jiān)測點(diǎn)一覽表點(diǎn)位相對方位相對距離〔km〕設(shè)置意義引用工程本次監(jiān)測工程1#劉海SSW1.4主導(dǎo)風(fēng)0°監(jiān)測點(diǎn)位SO2、NO2、PM10、PM2.5、非甲烷總烴、濃硫酸--2#胡唐NNE0.1主導(dǎo)風(fēng)90°監(jiān)測點(diǎn)位臭氣、H2S、甲醇、甲苯、氯氣、丙烯醛、丙烯腈、吡啶、氟化氫、氯化氫3#王草廟NNE0.9主導(dǎo)風(fēng)180°監(jiān)測點(diǎn)位--SO2、NO2、PM10、PM2.5、臭氣、H2S、甲醇、甲苯、氯氣、丙烯醛、丙烯腈、吡啶、氟化氫、非甲烷總烴、濃硫酸、氯化氫4#畢石門E0.3主導(dǎo)風(fēng)270°監(jiān)測點(diǎn)位臭氣、H2S、甲醇、甲苯、氯氣、丙烯醛、丙烯腈、吡啶、氟化氫、氯化氫2、監(jiān)測工程監(jiān)測工程包括SO2、NO2、PM10、PM2.5、臭氣、H2S、甲醇、甲苯、氯氣、丙烯醛、丙烯腈、吡啶、氟化氫、非甲烷總烴、濃硫酸、氯化氫,監(jiān)測時同步觀測風(fēng)向、風(fēng)速、氣溫、氣壓、云量等常規(guī)氣象參數(shù)。3、監(jiān)測時間、頻率引用數(shù)據(jù):監(jiān)測時間為2014年4月17日~4月23大氣環(huán)境現(xiàn)狀監(jiān)測安排見表5.2-2。表5.2-2大氣環(huán)境現(xiàn)狀監(jiān)測安排一覽表名稱監(jiān)測工程各測點(diǎn)監(jiān)測工程安排備注1#劉海SO2、NO2、PM10、PM2.5、非甲烷總烴、濃硫酸SO2、NO2〔小時、日均值〕,TSP、PM10〔日均值〕,其它為小時值小時值保證了1小時的采樣時間;日均值保證了12小時的采樣時間。小時值每天監(jiān)測4次,時間為2:00,8:00,14:00和20:00。2#胡唐SO2、NO2、PM10、PM2.5、臭氣、H2S、甲醇、甲苯、氯氣、丙烯醛、丙烯腈、吡啶、氟化氫、氯化氫3#王草廟4#畢石門H2S、HCl、氯氣、氟化物、吡啶、甲醇、甲苯、丙烯醛、丙烯腈、臭氣濃度4、監(jiān)測分析方法按照國家環(huán)保總局頒發(fā)的?環(huán)境空氣質(zhì)量標(biāo)準(zhǔn)?中的有關(guān)規(guī)定執(zhí)行,具體見表5.2-3。表5.2-3采樣及分析方法一覽表工程名稱標(biāo)準(zhǔn)代號標(biāo)準(zhǔn)方法檢出限SO2HJ482-2021甲醛吸收-副玫瑰苯胺分光光度法小時:0.007mg/m3日均:0.004mg/m3NO2HJ479-2021鹽酸萘乙二胺分光光度法小時:0.005mg/m3日均:0.003mg/m3PM10、PM2.5HJ618-2021重量法0.001mg/m3H2S亞甲藍(lán)分光光度法0.002mg/m3HClHJ/T27-1999硫氰酸汞分光光度法0.02mg/m3氯氣HJ/T30-1999甲基橙分光光度法0.03mg/m3硫酸霧鉻酸鋇分光光度法0.04mg/m3氟化物HJ480-2021濾膜采樣氟離子選擇電極法0.9μg/m3吡啶巴比妥酸分光光度法0.01甲醇GB/T11738-1989氣相色譜法0.05mg/m3甲苯HJ584-2021氣相色譜法0.005mg/m3丙烯醛JY/T021-1996氣相色譜法0.02mg/m3丙烯腈氣相色譜法0.02mg/m3非甲烷總烴HJ/T38-1999氣相色譜法0.14mg/m3臭氣濃度三點(diǎn)比擬式臭袋法105、監(jiān)測結(jié)果監(jiān)測期間氣象條件見表5.2-4,現(xiàn)狀監(jiān)測結(jié)果見表5.2-5~4.2-6。表5.2-4〔1〕引用數(shù)據(jù)大氣現(xiàn)狀監(jiān)測期間氣象條件一覽表氣氣象條件時間日期氣溫(℃)氣壓(hPa)風(fēng)向風(fēng)速(m/s)總云/低云04.1702:0012.81010.3NW1.64/208:0014.71004.1NW0.90/014:0022.01005.4NE1.22/120:0018.31008.0NE2.30/004.1802:0013.61010.2NE1.95/308:0015.11012.5SE1.66/514:0019.21011.7NE1.48/520:0016.41011.0SE2.19/704.1902:0011.51014.2SE2.69/408:0013.01015.5NE2.35/114:0018.41012.0NE1.96/520:0015.91013.7NE0.84/204.2002:0012.81015.2SW1.18/508:0011.51014.0SW0.78/714:0019.71009.7SW2.19/620:0017.01011.4SW1.05/304.2102:0013.51011.5NE0.72/108:0015.11013.6NW1.58/514:0019.31009.5NE1.07/620:0017.81012.0NE1.29/504.2202:0015.41013.4SE1.05/308:0016.71012.1SW1.44/214:0022.31011.5SE1.03/020:0017.51010.4SW1.36/404.2302:0014.31011.6SW1.75/308:0013.61010.8SW0.87/514:0019.81007.5SE1.56/220:0016.01008.3SW3.17/4
表5.2-4〔2〕本次監(jiān)測大氣現(xiàn)狀監(jiān)測期間氣象條件一覽表氣氣象條件時間日期氣溫(℃)氣壓(hPa)風(fēng)向風(fēng)速(m/s)天氣情況06.1102:0022.7997.6NW2.7晴08:0025.2996.4SW1.414:0032.4995.1SW3.920:0025.6997.3SW1.106.1202:0021.0998.1NE3.2晴08:0026.5997.6NE2.614:0033.1995.8N2.320:0029.8996.5NE3.506.1302:0025.3997.2N2.1晴08:0028.0995.9N1.714:0034.2994.1NE3.120:0028.9997.6NE3.006.1402:0023.6998.8N2.7晴08:0024.7998.3NE2.614:0031.0997.3N1.820:0028.4999.5SE1.506.1502:0022.81001.8SE1.6晴轉(zhuǎn)多云08:0024.1999.3S2.314:0027.7997.6SE4.020:0025.0998.9SSE3.206.1602:0022.61000.7S2.9多云08:0024.11000.2SE0.814:0028.6998.7SE1.020:0025.3999.5SW4.106.1702:0021.7999.8NW1.7多云08:0023.2998.2NE4.314:0032.6996.7NE2.820:0028.9997.0N1.9
表5.2-5〔1〕引用數(shù)據(jù)監(jiān)測結(jié)果一覽表單位:mg/m3監(jiān)測日期監(jiān)測時間胡堂村〔mg/m3〕劉海村〔mg/m3〕SO2NO2PM10PM2.5SO2NO2PM10PM2.502:000.0250.0180.0300.02108:000.0600.0400.0550.03814:000.0520.0290.0730.04020:000.0630.0340.0410.0270.0570.0360.2050.1320.0520.0320.2370.15102:000.0200.0260.0160.02108:000.0630.0310.0390.02714:000.0400.0240.0460.03220:000.0710.0450.0600.0360.0530.0320.1830.1190.0450.0300.1760.11602:000.0250.0160.0240.01508:000.0450.0250.0420.02314:000.0270.0200.0290.02020:000.0590.0340.0400.0310.0340.0230.1470.0710.0380.0210.1430.06902:000.0280.0210.0300.02508:000.0490.0320.0560.03614:000.0310.0270.0440.03120:000.0980.0500.0900.0520.0480.0310.1540.0980.0560.0350.1600.10302:000.0390.0240.0280.01908:000.0410.0270.0680.03614:000.0350.0200.0300.02420:000.0740.0360.0510.0260.0420.0250.1690.1070.0430.0270.1480.08702:000.0370.0260.0320.02608:000.0400.0310.0560.03314:000.0560.0420.0340.02120:000.0810.0500.0480.0300.0510.0380.1910.1250.0470.0290.1720.11202:000.0380.0240.0270.02008:000.0600.0360.0930.05414:000.0440.0300.0310.02320:000.0850.0490.0700.0420.0560.0340.1700.1130.0540.0330.1840.120
表5.2-5〔2〕引用非甲烷總烴、硫酸霧現(xiàn)狀監(jiān)測結(jié)果一覽表監(jiān)測日期監(jiān)測時間非甲烷總烴〔mg/m3〕硫酸霧〔mg/m3〕胡堂村劉海村胡堂村劉海村02:000.360.68未檢出未檢出08:000.640.820.05未檢出14:000.920.46未檢出未檢出20:000.970.34未檢出0.0402:000.770.85未檢出未檢出08:000.660.65未檢出未檢出14:000.371.03未檢出0.0520:000.821.03未檢出未檢出02:000.330.47未檢出未檢出08:001.330.820.04未檢出14:000.880.91未檢出未檢出20:000.820.58未檢出0.06表5.2-62#王草廟村局部工程本次監(jiān)測結(jié)果一覽表單位:mg/m3監(jiān)測日期監(jiān)測時間王草廟村〔mg/m3〕SO2NO2PM10PM2.5硫酸霧非甲烷總烴02:000.0350.023未檢出0.4408:000.0580.040未檢出1.1914:000.0440.031未檢出0.5320:000.0920.064未檢出0.950.0490.0370.2200.10402:000.0580.039未檢出0.7308:000.0410.030未檢出0.6214:000.0610.0470.050.3520:000.0830.054未檢出0.470.0580.0450.2070.11202:000.0730.043未檢出0.8408:000.0850.050未檢出0.5314:000.0360.021未檢出1.1320:000.0410.0290.050.490.0450.0340.1810.09102:000.0360.02708:000.0710.05714:000.0270.01920:000.0520.0410.0390.0300.1450.08302:000.0850.05008:000.1040.07214:000.0310.02220:000.0490.0350.0620.0470.1580.09502:000.0760.04508:000.0390.03114:000.0450.03520:000.0710.0480.0530.0390.1760.07902:000.0390.03108:000.0830.06314:000.0500.03820:000.0650.0510.0560.0420.2030.117表5.2-7硫化氫〔H2S〕、氯化氫〔HCl〕監(jiān)測結(jié)果一覽表單位:mg/m3監(jiān)測日期監(jiān)測時間H2S〔mg/m3〕HCl〔mg/m3〕06.1102:00未檢出0.002未檢出0.01未檢出0.0108:000.002未檢出未檢出0.030.01未檢出14:000.0050.003未檢出未檢出未檢出0.0120:000.003未檢出未檢出0.010.020.0206.1202:00未檢出未檢出未檢出未檢出0.010.0108:00未檢出未檢出0.002未檢出0.01未檢出14:00未檢出未檢出未檢出0.02未檢出未檢出20:000.002未檢出未檢出0.01未檢出0.0106.1302:00未檢出未檢出0.002未檢出0.010.0208:00未檢出未檢出0.0030.020.010.0114:00未檢出未檢出未檢出0.010.020.0120:00未檢出0.002未檢出0.01未檢出未檢出
表5.2-8氯氣〔Cl2〕等、氟化物監(jiān)測結(jié)果一覽表單位:mg/m3 監(jiān)測日期監(jiān)測時間Cl2、吡啶、甲醇、甲苯、丙烯醛、丙烯晴氟化物〔μg/m3〕06.1102:00未檢出未檢出未檢出08:00未檢出未檢出未檢出2.01.81.714:00未檢出未檢出未檢出2.12.02.220:00未檢出未檢出未檢出06.1202:00未檢出未檢出未檢出08:00未檢出未檢出未檢出2.32.02.214:00未檢出未檢出未檢出20:00未檢出未檢出未檢出06.1302:00未檢出未檢出未檢出2.02.11.708:00未檢出未檢出未檢出2.22.02.214:00未檢出未檢出未檢出20:00未檢出未檢出未檢出表5.2-9臭氣濃度監(jiān)測結(jié)果一覽表單位:mg/m3監(jiān)測日期監(jiān)測時間臭氣濃度06.16上午<1016<10下午<10141206.17上午13<10<10下午<10<10<10現(xiàn)狀評價1、評價因子評價因子確定為:SO2、PM2.5、PM10、NO2、臭氣、H2S、甲醇、甲苯、氯氣、丙烯醛、丙烯腈、吡啶、氟化氫、非甲烷總烴、濃硫酸、氯化氫。2、評價方法采用單因子指數(shù)法進(jìn)行評價,計算公式為:式中:Pi——i污染物的單因子指數(shù);Ci——i污染物的實測濃度值,mg/Nm3;Csi——i污染物的評價標(biāo)準(zhǔn),mg/Nm3。3、評價標(biāo)準(zhǔn)標(biāo)準(zhǔn)執(zhí)行情況詳見表5.2-10。表5.2-10各評價因子環(huán)境質(zhì)量標(biāo)準(zhǔn)值一覽表單位:mg/m3序號污染物濃度限值〔mg/m3〕執(zhí)行標(biāo)準(zhǔn)小時平均日平均年平均1SO20.500.150.06?環(huán)境空氣質(zhì)量標(biāo)準(zhǔn)?〔GB3095-2021〕二級2NO20.200.080.043PM10--0.150.074PM2.5--0.0750.0355甲醇3?工業(yè)企業(yè)設(shè)計衛(wèi)生標(biāo)準(zhǔn)?〔TJ36-79〕一次最高容許濃度6氯氣0.17丙烯醛0.18丙烯腈0.059吡啶0.0810濃硫酸0.311氯化氫0.0512硫化氫0.0113氟化物0.02參照GB3095-199614非甲烷總烴2.0----執(zhí)行“廠界濃度限值的1/2〞15甲苯0.6前蘇聯(lián)“居住區(qū)大氣有害物質(zhì)最高容許濃度〞16臭氣20?惡臭污染物排放標(biāo)準(zhǔn)?〔GB14554-93〕4、評價結(jié)果現(xiàn)狀統(tǒng)計評價結(jié)果見表5.2-11。
表5.2-11大氣環(huán)境監(jiān)測現(xiàn)狀監(jiān)測結(jié)果一覽表工程采樣點(diǎn)小時濃度范圍日均濃度范圍SO2劉海0.020~0.0980.034~0.057胡唐0.016~0.0930.038~0.056王草廟0.035~0.1040.039~0.062NO2劉海0.016~0.0500.023~0.035胡唐0.015~0.0540.021~0.035王草廟0.019~0.0620.030~0.047PM10劉海--0.147~0.205胡唐--0.143~0.237王草廟--0.145~0.220PM2.5劉海--0.071~0.132胡唐--0.069~0.151王草廟--0.079~0.112H2S胡唐村未檢出~0.005—王草廟村未檢出~0.003畢石門未檢出~0.003—甲醇胡唐村未檢出王草廟村未檢出畢石門未檢出未檢出臭氣胡唐村<10~13—王草廟村<10~16畢石門<10~12—甲苯、氯氣胡唐村未檢出--王草廟村未檢出畢石門未檢出--丙烯醛、丙烯腈、吡啶胡唐村未檢出--王草廟村未檢出--畢石門未檢出--氟化物胡唐村1.6~2.50.08~0.125王草廟村1.6~2.30.08~0.115畢石門1.5~2.40.075~0.12非甲烷總烴胡唐村0.33~1.330.165~0.665王草廟村0.35~1.190.18~0.595劉海0.34~1.030.17~0.515濃硫酸劉海未檢出~0.05未檢出~0.167胡唐村未檢出~0.06未檢出~0.2王草廟村未檢出~0.05未檢出~0.167氯化氫胡唐村未檢出~0.03未檢出~0.6王草廟村未檢出~0.02未檢出~0.4畢石門未檢出~0.03未檢出~0.6由上表可以看出,評價區(qū)域大氣環(huán)境現(xiàn)狀為:各評價點(diǎn)SO2、NO2小時、日均濃度均能滿足?環(huán)境空氣質(zhì)量標(biāo)準(zhǔn)?〔GB3095-2021〕二級標(biāo)準(zhǔn)要求;PM10、PM2.5不能滿足上述標(biāo)準(zhǔn)要求,這與北方氣候枯燥,風(fēng)起揚(yáng)塵有關(guān)。污染氣象特征分析氣象資料適用性分析成武污染氣象特征分析、環(huán)境空氣污染物濃度預(yù)測等采用的根底氣象資料,為成武氣象站提供的近二十年的統(tǒng)計結(jié)果。成武氣象站位于東經(jīng)115°53′E,34°57′N,臺站類別屬一般站。據(jù)調(diào)查,該氣象站周圍地理環(huán)境與氣候條件與擬建工程周圍根本一致,且氣象站距離擬建工程較近〔與本工程的距離為3.82km〕,評價區(qū)屬簡單地形,水平流場均勻一致。擬建工程評價工作等級為三級,該氣象站氣象資料具有較好的適用性,符合?環(huán)境影響評價技術(shù)導(dǎo)那么大氣環(huán)境?〔HJ2.2-2021〕關(guān)于三級評價工程氣象觀測資料調(diào)查的要求。主要?dú)夂蚪y(tǒng)計資料成武近20年〔1993~2021年〕年最大風(fēng)速為13.6m/s〔1995年〕,極端最高氣溫和極端最低氣溫分別為41.5℃〔2002年〕和-16.2℃〔1994年〕,年最大降水量為1162.0mm〔2005年〕;近20年其它主要?dú)夂蚪y(tǒng)計資料見表5.3-1,成武近20年各風(fēng)向頻率見表5.3-2,成武近20年風(fēng)向頻率玫瑰圖見圖5.3-1。表5.3-1成武氣象站近20年〔1993~2021年〕主要?dú)夂蛞亟y(tǒng)計工程1月2月3月4月5月6月7月8月9月10月11月12月全年平均風(fēng)速〔m/s〕2.1平均氣溫〔℃〕-15.320.625.527.225.821.314.4平均相對濕度〔%〕68636163716780837972696970平均降水量〔mm〕10.215.625.433.454.372.2179.5158.172.030.925.211.2688平均日照時數(shù)〔h〕120.0127.6168.5194.3197.9165.8144.9128.4149.1158.6131.0131.41817.5表5.3-2成武氣象站近20年〔1993~2021年〕各風(fēng)向頻率風(fēng)向NNNENEENEEESESESSESSSWSWWSWWWNWNWNNWC平均頻率〔%〕5.711.3圖5.3-1成武近20年〔1993~2021年〕風(fēng)向頻率玫瑰圖5.4環(huán)境空氣質(zhì)量影響預(yù)測5.45.擬建工程廢氣排放情況見表5.4-1、5.4-2。表5.4-1擬建工程有組織排放源表污染物污染物源強(qiáng)高度/內(nèi)徑〔m/m〕溫度(oC)源強(qiáng)〔kg/h〕廢氣量〔m3/h〕鍋爐、加熱爐〔等效〕SO240/1.0801.7727330NO23.05煙塵0.61不凝氣G7氯化氫60/0.8600.357600氟化氫0.06氯氣0.06不凝氣G10吡啶40/0.6800.0034950表5.4-2擬建工程無組織排放源表污染物位置源強(qiáng)面積高度〔m〕源強(qiáng)〔kg/h〕氯化氫罐區(qū)50m×50m100.01氟化氫100.01氯氣100.03氯化氫裝置區(qū)100m×50m100.06氟化氫100.01氯氣100.04吡啶100.045.擬建工程排放廢氣預(yù)測結(jié)果見表5.4-3。表5.4-3A擬建工程有組織廢氣預(yù)測結(jié)果表距離中心點(diǎn)下風(fēng)向距離〔m〕鍋爐、加熱爐〔等效〕SO2NO2煙塵下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕503.85E-057.7E-074.82E-050.026.90E-060.001000.0042258.45E-050.0052932.650.0007560.172000.0090770.0001820.011375.690.0016240.363000.010070.0002010.012616.310.0018010.404000.009240.0001850.011585.790.0016540.375000.0091920.0001840.011525.760.0016450.376000.0082960.0001660.010395.200.0014850.337000.0072470.0001450.0090794.540.0012970.298000.0066640.0001330.0083484.170.0011930.279000.0068620.0001370.0085974.300.0012280.2710000.0068570.0001370.008594.300.0012270.2711000.0067280.0001350.0084294.210.0012040.2712000.0065270.0001310.0081784.090.0011680.2613000.006290.0001260.007883.940.0011260.2514000.0060360.0001210.0075623.780.001080.2415000.0057790.0001160.007243.620.0010340.2316000.0055260.0001110.0069233.460.0009890.2217000.0052830.0001060.0066193.310.0009460.2118000.0050510.0001010.0063283.160.0009040.2019000.0048329.66E-050.0060543.030.0008650.1920000.0046269.25E-050.0057952.900.0008280.1821000.0044328.86E-050.0055522.780.0007930.1822000.004250.0000850.0053252.660.0007610.1723000.004088.16E-050.0051122.560.000730.1624000.0039217.84E-050.0049122.460.0007020.1625000.0037727.54E-050.0047252.360.0006750.1526000.0036327.26E-050.004552.280.000650.1427000.0035017E-050.0043862.190.0006270.1428000.0033786.76E-050.0042322.120.0006050.1329000.0032626.52E-050.0040872.040.0005840.1330000.0031536.31E-050.0039511.980.0005640.1335000.0026955.39E-050.0033771.690.0004820.1140000.0023474.69E-050.002941.470.000420.0945000.0020744.15E-050.0025981.300.0003710.0850000.0018553.71E-050.0023241.160.0003320.07最大濃度0.01007mg/m3,距離為305m最大濃度0.01262mg/m3,距離為305m最大濃度0.001802mg/m3,距離為333m標(biāo)準(zhǔn)0.5mg/m30.2mg/m30.45mg/m3表5.4-3B擬建工程有組織廢氣預(yù)測結(jié)果表距離中心點(diǎn)下風(fēng)向距離〔m〕排氣筒氯化氫氟化氫氯氣吡啶下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕500.00E+000.000.00E+000.000.00E+000.000.00E+000.001007.10E-060.011.40E-060.014.00E-070.001.50E-060.002000.0002490.504.99E-050.251.38E-050.075.20E-050.073000.0003220.646.44E-050.321.79E-050.096.72E-050.084000.0003460.696.93E-050.351.92E-050.107.23E-050.095000.0003460.696.92E-050.351.92E-050.107.23E-050.096000.0003310.666.63E-050.331.84E-050.096.92E-050.097000.0003330.676.66E-050.331.85E-050.096.95E-050.098000.0003190.646.39E-050.321.77E-050.096.67E-050.089000.0003210.646.41E-050.321.78E-050.096.69E-050.0810000.0003160.636.32E-050.321.75E-050.096.60E-050.0811000.0003080.626.15E-050.311.71E-050.096.42E-050.0812000.0003220.646.44E-050.321.79E-050.096.72E-050.0813000.0003450.696.91E-050.351.92E-050.107.21E-050.0914000.0003630.737.26E-050.362.01E-050.107.58E-050.0915000.0003750.757.51E-050.382.08E-050.107.84E-050.1016000.0003840.777.67E-050.382.13E-050.118.01E-050.1017000.0003890.787.77E-050.392.16E-050.118.11E-050.1018000.0003910.787.81E-050.392.17E-050.118.16E-050.1019000.0003910.787.81E-050.392.17E-050.118.16E-050.1020000.0003890.787.78E-050.392.16E-050.118.12E-050.1021000.0003860.777.72E-050.392.14E-050.118.06E-050.1022000.0003820.767.65E-050.382.12E-050.117.98E-050.1023000.0003780.767.55E-050.382.10E-050.117.89E-050.1024000.0003730.757.45E-050.372.07E-050.107.78E-050.1025000.0003670.737.34E-050.372.04E-050.107.66E-050.1026000.0003610.727.22E-050.362.00E-050.107.54E-050.0927000.0003550.717.10E-050.361.97E-050.107.41E-050.0928000.0003490.706.98E-050.351.94E-050.107.28E-050.0929000.0003430.696.85E-050.341.90E-050.107.15E-050.0930000.0003360.676.73E-050.341.87E-050.097.02E-050.0935000.0003060.616.13E-050.311.70E-050.096.40E-050.0840000.0002790.565.59E-050.281.55E-050.085.83E-050.0745000.0002560.515.11E-050.261.42E-050.075.34E-050.0750000.0002350.474.70E-050.241.30E-050.074.91E-050.060.00039090mg/m3,距離為1852m最大濃度0.0000782mg/m3,距離為1852m最大濃度0.0000217mg/m3,距離為1852m最大濃度0.0000816mg/m3,距離為1852m標(biāo)準(zhǔn)0.05mg/m30.02mg/m30.10mg/m30.08mg/m3表5.4-3C擬建工程裝置區(qū)無組織廢氣預(yù)測結(jié)果表距離中心點(diǎn)下風(fēng)向距離〔m〕氯化氫氟化氫氯氣吡啶下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕下風(fēng)向濃度〔mg/m3〕占標(biāo)率P〔%〕504.61E-039.221.87E-039.374.61E-034.610.0065478.1841004.68E-039.361.89E-039.464.68E-034.680.0073839.2292004.18E-038.371.72E-038.614.18E-034.1850.0074429.3033004.10E-038.361.57E-037.844.18E-034.180.0045375.6714003.80E-037.601.49E-037.443.80E-033.80.0029743.7185003.74E-037.481.06E-035.283.74E-033.740.0021092.6366002.81E-035.637.94E-043.972.81E-032.8150.0015881.9857002.21E-034.436.24E-043.122.21E-032.2150.0012491.5618001.80E-033.605.08E-042.541.80E-031.80.0010151.2699001.50E-033.014.24E-042.121.50E-031.5050.0008481.06010001.28E-032.563.61E-041.801.28E-031.280.0007220.90211001.11E-032.223.13E-041.561.11E-031.110.0006250.78212009.74E-041.952.75E-041.379.74E-040.9750.0005490.68713008.66E-041.732.44E-041.228.66E-040.8650.0004880.61014007.77E-041.552.19E-041.107.77E-040.7750.0004380.54815007.03E-041.411.98E-040.997.03E-040.7050.0003970.49616006.41E-041.281.81E-040.906.41E-040.640.0003610.45217005.87E-041.171.66E-040.835.87E-040.5850.0003310.41418005.42E-041.081.53E-040.765.42E-040.540.0003060.38219005.02E-041.001.42E-040.715.02E-040.50.0002830.35420004.67E-040.931.32E-040.664.67E-040.4650.0002640.33021004.37E-040.871.23E-040.624.37E-040.4350.0002460.30822004.10E-040.821.16E-040.584.10E-040.410.0002310.28923003.86E-040.771.09E-040.543.86E-040.3850.0002180.27224003.64E-040.731.03E-040.513.64E-040.3650.0002050.25725003.45E-040.699.72E-050.493.45E-040.3450.0001940.24326003.27E-040.659.22E-050.463.27E-040.3250.0001840.23127003.11E-040.628.77E-050.443.11E-040.310.0001750.21928002.96E-040.598.35E-050.422.96E-040.2950.0001670.20929002.83E-040.577.98E-050.402.83E-040.2850.000160.19930002.71E-040.547.63E-050.382.71E-040.270.0001530.19135002.22E-040.446.25E-050.312.22E-040.220.0001250.15640001.87E-040.375.27E-050.261.87E-040.1850.0001060.13245001.61E-040.324.55E-050.231.61E-040.169.10E-050.11450001.42E-040.284.00E-050.201.42E-040.148.00E-050.1000.00472mg/m3,距離為135m最大濃度0.001907mg/m3,距離為135m最大濃度0.00472mg/m3,距離為333m最大濃度0.007916mg/m3,距離為305m標(biāo)準(zhǔn)0.05mg/m30.02mg/m30.10mg/m30.08mg/m35.擬建工程廠界濃度達(dá)標(biāo)情況見表5.4-4。表5.4-4廠界濃度預(yù)測結(jié)果氯化氫廠界東廠界南廠界西廠界北廠界擬建工程廠界預(yù)測結(jié)果〔mg/m3〕0.004180.004020.00380.00435執(zhí)行標(biāo)準(zhǔn)〔mg/m3〕0.2,來自GB16297-1996無組織排放監(jiān)控濃度限值達(dá)標(biāo)分析滿足滿足滿足滿足氟化氫擬建工程廠界預(yù)測結(jié)果〔mg/m3〕0.000150.000140.000140.00015執(zhí)行標(biāo)準(zhǔn)〔mg/m3〕0.02,來自GB16297-1996無組織排放監(jiān)控濃度限值達(dá)標(biāo)分析滿足滿足滿足滿足氯氣擬建工程廠界預(yù)測結(jié)果〔mg/m3〕0.004180.004020.00380.00435執(zhí)行標(biāo)準(zhǔn)〔mg/m3〕0.4,來自GB16297-1996無組織排放監(jiān)控濃度限值達(dá)標(biāo)分析滿足滿足滿足滿足由上可知,擬建工程主要無組織排放污染物廠界濃度滿足標(biāo)準(zhǔn)要求。5.由上表可以看出:距離裝置區(qū)距離最近村莊胡堂村,距離裝置區(qū)為380m,該范圍對應(yīng)氯化氫、氟化氫、氯氣的濃度分別為0.0038mg/m3、0.00149mg/m3、0.0038mg/m3,能夠滿足標(biāo)準(zhǔn)要求,因此,擬建工程不會對周圍村莊產(chǎn)生影響,排氣筒高度能夠滿足相應(yīng)要求。5.4.根據(jù)?環(huán)境影響評價技術(shù)導(dǎo)那么大氣環(huán)境?〔HJ2.22021〕的要求,沒有出現(xiàn)超標(biāo)點(diǎn)。5.本次評價也根據(jù)GB/T13201-91中給出的計算公式計算了擬建工程的衛(wèi)生防護(hù)距離。計算公式如下:式中:—標(biāo)準(zhǔn)濃度限值,mg/Nm3;L—工業(yè)企業(yè)所需衛(wèi)生防護(hù)距離,m;r—有害氣體無組織排放源所在生產(chǎn)單元的等效半徑,m。根據(jù)該生產(chǎn)單元占地面積S〔m2〕計算,r=〔S/π〕0.5;A、B、C、D—衛(wèi)生防護(hù)距離計算系數(shù),按照GB/T13201-91中有關(guān)規(guī)定查??;—工業(yè)企業(yè)有害氣體無組織排放量可以到達(dá)的控制水平,kg·h-1。依據(jù)上述公式,結(jié)合擬建工程投產(chǎn)后情況確定各污染物的排放參數(shù)見表5.4-5。表5.4-5衛(wèi)生防護(hù)距離及計算參數(shù)一覽表污染物標(biāo)準(zhǔn)濃度限值綜合mg/m3L〔m〕r〔m〕計算系數(shù)Qc〔Kg/h〕ABCD氯化氫罐區(qū)0.0515.6504000.0101.850.780.01氟化氫0.0256.2504000.0101.850.780.01氯氣0.1051.3504000.0101.850.780.03氯化氫裝置區(qū)0.05116504000.0101.850.780.06氟化氫0.0268.2504000.0101.850.780.01氯氣0.1021.4504000.0101.850.780.04吡啶0.0827.6504000.0101.850.780.04經(jīng)計算:罐區(qū)衛(wèi)生防護(hù)距離均為100m,裝置區(qū)氯化氫為200m,考慮到本工程特征污染物較多,因此,罐區(qū)衛(wèi)生防護(hù)距離定為200m,裝置區(qū)定為300m,該范圍內(nèi)沒有常駐居民。5.4擬建工程主要廢氣為裝置區(qū)產(chǎn)生的含有氯化氫、氟化氫及氯氣廢氣,預(yù)測結(jié)果說明,其排放濃度能夠滿足標(biāo)準(zhǔn)要求,廠界濃度達(dá)標(biāo)排放,衛(wèi)生防護(hù)距離內(nèi)無村莊,可見,擬建工程選址及總圖布置在環(huán)境空氣影響角度看是合理的。5.4.7本工程污水處理場廢水池加蓋密閉,同時將收集的廢氣通過管道排入鍋爐燃燒,通過采取上述措施,污水處理站對周圍環(huán)境影響較小。5.4.8根據(jù)?環(huán)境影響評價技術(shù)導(dǎo)那么大氣環(huán)境?〔HJ2.2-2021〕的估算模式〔Screen3System〕以及非正常工況下〔尾氣回收裝置發(fā)生事故時〕的源強(qiáng)參數(shù)預(yù)測出氯化氫、氯氣小時最大濃度值,預(yù)測及評價結(jié)果見表5.4-6。表5.4-6非正常工況下污染物小時濃度及評價結(jié)果一覽表氯化氫氯氣距離(m)濃度(mg/m^3)濃度占標(biāo)率(%)濃度(mg/m^3)濃度占標(biāo)率(%)5000001000.0149629.920.0017361.7362000.526510530.0610961.093000.67931358.60.0788378.834000.73141462.80.0848784.875000.73114620.0848384.836000.69971399.40.081281.27000.70331406.60.0816181.618000.67411348.20.0782378.239000.67681353.60.0785478.5410000.66741334.80.0774577.4511000.64961299.20.0753875.3812000.67961359.20.0788678.8613000.72931458.60.0846384.6314000.76621532
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