TRACER STUDIES IN RECTANGULAR SETTLING TANKS

Abstract

sGd& t ti )zs t, ao tm ox t t processin the traptent of w?tr and sewage, TurhzIecce. hinde .ettIi t, t cux of 1,otto eposits, short c ;reuiting ;nd fir otherr disturbances ciiturbances make this pOO5t quit compU ated* Due to these ctwm ltc*hone dest3r1 have to to "std on model tudivat This dyes ripe to dos içj of model re p ser ttnc the p!ototyp. Per& qo tr c st.t.DLty dcos at. r p ont the hydraulic eha t' r. 1o2 dynamic 3 r . t. - . ty opinions + f er in the Ute*atux.. `, ii s rmo have taken iroude nuier, othe e a Rey o ds nut *r as the par, m ter Of tfieOrrIc 9 i r . T ( tweOn O411 f4 pro toty ae F v.: workers soul not conclusively fimi am cui* bie criterion* P, i t itudies hove been cCr r d out to ftvkd the nS ,6 t df~ c similarityfor r ten u. kr tti ng t''nks e ployini d-i en 10 *s p3rametors ague to the i 1icultit i ►v+olved to USO of u pamloonly ye?ou1S, udLs studiosave tn c1r t Od oat using tr ce 3s is the usum1 practice-# ftudles ter c zrie .: t utLnj ttte nooXe having dif hront scale ret o$ t,tre iongth to pad h and 1onth to depth rat*. Potassium pncitate vice used O; a tracer which w :c 4o a ns ar t n cu 1y* Cutiøt tracer corcentretis v , fire aves were platted fo I f `Pram Inlet 4a cercentr tlot 01td rntos of E10 ccvarl r the + `su l opo tlag. r n90 of overflow rate and Frou e auezt Outlot dye occ'nco nod peak. concentration time n d peak conc r t o rpramete .s re om►10 fod for the analysis F-*Dine nufter as found to v ►r f B ret t%ca ly with various ten 10 a p %minters pZ y4d. The ttudi cc therefore conclude that ouci a lour te C Berle for c im .i ax ty.