哈尔滨商业大学学报(自然科学版)
哈爾濱商業大學學報(自然科學版)
합이빈상업대학학보(자연과학판)
JOURNAL OF HARBIN UNIVERSITY OF COMMERCE(NATURAL SCIENCES EDITION)
2015年
1期
36-39
,共4页
黄丽坤%王琨%杨俊晨%车春波
黃麗坤%王琨%楊俊晨%車春波
황려곤%왕곤%양준신%차춘파
离子%PM10%PM2.5%相关性
離子%PM10%PM2.5%相關性
리자%PM10%PM2.5%상관성
ions%PM10%PM2.5%correlation
对哈尔滨市大气环境中的PM10、PM2.5进行了采集,并对质量浓度及离子成分进行了分析.实验结果表明,两种颗粒物均呈现了先减小后增大的特征,最高值出现在1月,质量浓度分别是178.85、130.10μg/m3,PM10在1、2、3、4、11、12月均超标,而PM2.5质量浓度则高出欧盟标准(15μg/m3)的2~8倍,另外,离子总质量浓度在8月达到了最低值,分别是42.73μg/m3和25.3μg/m3.PM10和PM2.5中离子成分占颗粒物总质量的比例均表现为中间高两边低的特点,最高含量出现在7月份,分别为67.7%和68.4%.根据相关系数的判别原则,PM10中表现为高度负相关的离子是Ca2+和F-、Ca2+和SO42+、Ca2+和NO3-;表现为高度正相关的离子是K+和Mg2+、K+和Cl-、M2+和Cl-、F-和SO42+、F-和NO3-、SO42+和NO3-,说明上述离子间有相似的污染来源.PM2.5中表现为高度正相关的离子是K+和Cl-、K+和SO42+、K+和NO3-、Mg2+和SO42+、F-和NO3-、SO42+和NO3-,与PM10中离子相关性规律不同.
對哈爾濱市大氣環境中的PM10、PM2.5進行瞭採集,併對質量濃度及離子成分進行瞭分析.實驗結果錶明,兩種顆粒物均呈現瞭先減小後增大的特徵,最高值齣現在1月,質量濃度分彆是178.85、130.10μg/m3,PM10在1、2、3、4、11、12月均超標,而PM2.5質量濃度則高齣歐盟標準(15μg/m3)的2~8倍,另外,離子總質量濃度在8月達到瞭最低值,分彆是42.73μg/m3和25.3μg/m3.PM10和PM2.5中離子成分佔顆粒物總質量的比例均錶現為中間高兩邊低的特點,最高含量齣現在7月份,分彆為67.7%和68.4%.根據相關繫數的判彆原則,PM10中錶現為高度負相關的離子是Ca2+和F-、Ca2+和SO42+、Ca2+和NO3-;錶現為高度正相關的離子是K+和Mg2+、K+和Cl-、M2+和Cl-、F-和SO42+、F-和NO3-、SO42+和NO3-,說明上述離子間有相似的汙染來源.PM2.5中錶現為高度正相關的離子是K+和Cl-、K+和SO42+、K+和NO3-、Mg2+和SO42+、F-和NO3-、SO42+和NO3-,與PM10中離子相關性規律不同.
대합이빈시대기배경중적PM10、PM2.5진행료채집,병대질량농도급리자성분진행료분석.실험결과표명,량충과립물균정현료선감소후증대적특정,최고치출현재1월,질량농도분별시178.85、130.10μg/m3,PM10재1、2、3、4、11、12월균초표,이PM2.5질량농도칙고출구맹표준(15μg/m3)적2~8배,령외,리자총질량농도재8월체도료최저치,분별시42.73μg/m3화25.3μg/m3.PM10화PM2.5중리자성분점과립물총질량적비례균표현위중간고량변저적특점,최고함량출현재7월빈,분별위67.7%화68.4%.근거상관계수적판별원칙,PM10중표현위고도부상관적리자시Ca2+화F-、Ca2+화SO42+、Ca2+화NO3-;표현위고도정상관적리자시K+화Mg2+、K+화Cl-、M2+화Cl-、F-화SO42+、F-화NO3-、SO42+화NO3-,설명상술리자간유상사적오염래원.PM2.5중표현위고도정상관적리자시K+화Cl-、K+화SO42+、K+화NO3-、Mg2+화SO42+、F-화NO3-、SO42+화NO3-,여PM10중리자상관성규률불동.
PM10 , PM2.5 from the atmospheric environment were sampled in Harbin.The mass and ions concentration were analyzed.The experimental results showed that both particles had a decrease first and increases followed with the highest value of 178.85μg/m3 and 130. 10 μg/m3 in January.PM10 exceeded the national standard in January, February, March, April, November, and December, while PM2.5 was higher than the European standard (15μg /m3 ) of 2 to 8 times.In addition, the concentrations of total ions had the lowest value of 42.73 μg/m3 and 25.3 μg/m3 in August, respectively.The proportion of the ionic compo-nents in PM10 and PM2.5 were the highest in July with 67.7%and 68.4%, respectively.Ac-cording to the discrimination principle of the correlation coefficient, Ca2+and F-, Ca2 +and SO4 2+, Ca2 +and NO3 -in PM10 had a higher negative correlation.K +and Mg2+, K+and Cl-, Mg2 +and Cl-, F-and SO4 2 +, F-and NO3 -, SO4 2 +and NO3 -showed highly posi-tive correlation.K+and Cl-, K+and SO4 2+, K+and NO3 -, Mg2+and SO4 2 +, F-and NO3 -, SO4 2+and NO3 -showed highly positive correlation in PM2.5 and had a different ion correlation rule to PM10.