?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.relation=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4574%2F&rft.title=On+Reconciliation+of+Traditional+Water+Quality+Models+and+Activated+Sludge+Models&rft.creator=Masliev%2C+I.&rft.creator=Somlyody%2C+L.&rft.creator=Koncsos%2C+L.&rft.description=Models+of+the+oxidation+of+organic+material+developed+for+river+water+quality+management+and+for+biological+wastewater+treatment+differ+widely+in+state+variables+and+process+descriptions+due+to+their+development+history%2C+environmental+conditions+and+the+objectives+of+the+two+approaches.+The+IAWPRC%2FIAWQ+Activated+Sludge+Model+No.+1+(ASM-I)+resulted+from+a+coordinated+effort+of+a+dedicated+specialist+group+at+the+mid+1980s+and+thus+free+of+the+inconsistencies+inherent+in+ambient+water+quality+models+such+as+QUAL2E+developed+in+the+course+of+the+past+three+decades.+The+reconciliation+of+the+ASM-1+and+QUAL2E+attempted+in+the+present+work+may+help+in+developing+integrated+pollution+abatement+strategies+considering+treatment+and+riverine+processes+in+a+unified+way.+It+is+shown+that%2C+after+some+modifications%2C+a+model+similar+to+ASM-1+can+be+successfully+applied+to+riverine+conditions.+It+is+also+demonstrated+that+simple+first-order+kinetics+models+(such+as+the+Streeter-Phelps+and+extended+Streeter-Phelps+ones)+can+be+derived+from+the+ASM-1+and+QUAL2E+as+their+asymptotic+forms+under+the+assumption+that+%22fast%22+variables+attain+their+long-term+equilibrium+levels.+Models+of+ASM-1+type+should%2C+therefore%2C+be+applied+when+there+are+abrupt+temporal+or+spatial+changes+in+the+system%2C+otherwise+simpler+models+adequately+reflect+the+behavior+of+the+oxidation+system.+Finally%2C+an+international+effort+to+develop+a+standardized+and+improved+river+water+quality+model+following+the+procedure+of+ASM-I+looks+more+than+desirable.&rft.publisher=WP-95-018&rft.date=1995-02&rft.type=Monograph&rft.type=NonPeerReviewed&rft.format=text&rft.language=en&rft.identifier=https%3A%2F%2Fpure.iiasa.ac.at%2Fid%2Feprint%2F4574%2F1%2FWP-95-018.pdf&rft.identifier=++Masliev%2C+I.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F1436.html%3E%2C+Somlyody%2C+L.+%3Chttps%3A%2F%2Fpure.iiasa.ac.at%2Fview%2Fiiasa%2F1584.html%3E%2C+%26+Koncsos%2C+L.++(1995).++On+Reconciliation+of+Traditional+Water+Quality+Models+and+Activated+Sludge+Models.+++IIASA+Working+Paper.+IIASA%2C+Laxenburg%2C+Austria%3A+WP-95-018+++++