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ID:40160929
大小:900.63 KB
页数:59页
时间:2019-07-24
《大气污染控制工程(郝吉明著)课后答案(全)》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、作业习题解答第一章概论1.11.1.11解:按1mol干空气计算,空气中各组分摩尔比即体积比,故nN2=0.781mol,nO2=0.209mol,nAr=0.00934mol,nCO2=0.00033mol。质量百分数为0.781×28.010.209×32.00N%=×100%=75.51%,O%=×100%=23.08%;2228.97×128.97×10.00934×39.940.00033×44.01Ar%=×100%=1.29%,CO%=×100%=0.05%。228.97×128.97×11.2解:由我国《环境空气质量标准
2、》二级标准查得三种污染物日平均浓度限值如下:SO2:0.15mg/m3,NO2:0.12mg/m3,CO:4.00mg/m3。按标准状态下1m3干空气计算,其31×10摩尔数为=44.643mol。故三种污染物体积百分数分别为:22.4−3−30.15×100.12×10SO2:=0.052ppm,NO2:=0.058ppm64×44.64346×44.643−34.00×10CO:=3.20ppm。28×44.6431.3解:−41.50×10×15431)ρ(g/m3N)==1.031g/m−3N22.4×10−431.50×10−
3、33c(mol/mN)=−3=6.70×10mol/mN。22.4×10-32)每天流经管道的CCl4质量为1.031×10×3600×24×10kg=891kg1.41.1.44解:-6每小时沉积量200×(500×15×60×10)×0.12µg=10.8µg1.5解:由《大气污染控制工程》P14(1-1),取M=210−4COHbp2.2×10∝=M=210×=0.2369,−2OHbp19.5×102O2COHbCOHb/OHb0.23692COHb饱和度ρ====19.15%COCOHb+OHb1+COHb/OHb1+0.23
4、69221.6解:4800×20含氧总量为=960mL。不同CO百分含量对应CO的量为:1009609602%:×2%=19.59mL,7%:×7%=72.26mL98%93%72.261)最初CO水平为0%时t==172.0min;−434.2×10×1072.26−19.592)最初CO水平为2%时t==125.4min。−434.2×10×101.7解:由《大气污染控制工程》P18(1-2),最大能见度为2.6ρpdp2.6×1400×1.4L===11581.8m。vKρ2.2×0.2Chapter11.SolutionSSol
5、utionolution:a.540/5.44=99Sothiswas99timestheannualmanmadePMemissions.10b.Mixed.Mostofthathugeamountofmaterialfellwithin50milesofthesite,coveringahugeareauptoafewfeetthick.Howeveritputenoughfinematerialintotheatmospherethatwehadworldwidereddenedsunsetsforalmostayear.2.So
6、lutionSSolutionolution:-6g-33-9-10a.M=cV=501010m=5010?g1.110 1b3m-9m5010´g5b.N===3.810 p32gp-43rD(0.510 cm)36cm6-10c.Clearlyindustrywillcitethe»10poundswhileenvironmentalistswillcitethe0.4millionparticles.Thisshowsthattwopeoplecanbothtellthetruth,butleadtheiraudiencetove
7、rydifferentconclusions.Weshouldstrivetotell“thewholetruth”3.SolutionSSolutionolution3-6g-3m-9-10a.801010=8010?gbreath/1.810 1/bbreath3mbreathb.forSO,M=64g/mol,2-9g21molecules14N=80109.410?7.510 moleculesbreath/breathg4.SolutionSSolutionolution:0.41/gmile=0.00225=0.225%1g
8、al6lb454g15milegallb作业习题解答第二章燃烧与大气污染2.12.2.11已知重油元素分析结果如下:C:85.5%85.85.5%5%H:11.3%111.3%1.3%O:2.0%2.2.0
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