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ID:34859806
大小:3.08 MB
页数:132页
时间:2019-03-12
《WASTE-WATER TREATMENT TECHNOLOGIES A GENERAL REVIEW.pdf》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、ECONOMICANDSOCIALCOMMISSIONFORWESTERNASIAWASTE-WATERTREATMENTTECHNOLOGIES:AGENERALREVIEWUnitedNationsDistr.GENERALE/ESCWA/SDPD/2003/611September2003ORIGINAL:ENGLISH/ARABICECONOMICANDSOCIALCOMMISSIONFORWESTERNASIAWASTE-WATERTREATMENTTECHNOLOGIES:AGENERALREVIEWUnitedNationsNewYork,200
2、303-0695ForewordWaste-watertreatmentisbecomingevermorecriticalduetodiminishingwaterresources,increasingwaste-waterdisposalcosts,andstricterdischargeregulationsthathaveloweredpermissiblecontaminantlevelsinwastestreams.Thetreatmentofwaste-waterforreuseanddisposalisparticularlyimportan
3、tforESCWAcountries,sincetheyoccupyoneofthemostaridregionsintheworld.Themunicipalsectorconsumessignificantvolumesofwater,andconsequentlygeneratesconsiderableamountsofwaste-waterdischarge.Municipalwaste-waterisacombinationofwaterandwater-carriedwastesoriginatingfromhomes,commercialand
4、industrialfacilities,andinstitutions.Thepresentstudycomprisesacomprehensivesurveyofthevariousmethodsandtechnologiescurrentlyusedinwaste-watertreatment,withemphasisonmunicipalwaste-water.Thestudyalsoaddressesthemanagementoftreatedeffluents,includingapproachestotheirreuseanddisposal.C
5、asestudiesofselectedESCWAmembercountriesarepresented,highlightingtheirprevalentwaterusage,andhencetheirneedforefficientwaste-watertreatmentsystems.Byincorporatingstate-of-the-artmethodologiesintotheirwaste-watertreatmentfacilities,ESCWAmembercountriescansignificantlyreducewaterconsu
6、mptionandcuttreatmentanddisposalcosts.Studyingtheeconomicsofdifferentwaste-watertreatmentsisanessentialpre-requisitetotheidentificationofcost-effectivesolutions.Thisstudydevotesanentirechaptertocomparisonofthecostsassociatedwiththeinstallationandoperationofwaste-watertreatmentfacili
7、ties.iiiivCONTENTSPageForeword..............................................................................................................................................iiiAbbreviationsandacronyms....................................................................................
8、...................
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