LEADER 03687nam 2200625Ia 450 001 9910143179603321 005 20170810191600.0 010 $a1-280-31441-9 010 $a9786610314416 010 $a0-470-24743-6 010 $a0-471-27274-4 010 $a0-471-47164-X 035 $a(CKB)111087027111050 035 $a(EBL)157049 035 $a(OCoLC)475872401 035 $a(SSID)ssj0000244521 035 $a(PQKBManifestationID)11218536 035 $a(PQKBTitleCode)TC0000244521 035 $a(PQKBWorkID)10169773 035 $a(PQKB)10767949 035 $a(MiAaPQ)EBC157049 035 $a(EXLCZ)99111087027111050 100 $a20020719d2002 uy 0 101 0 $aeng 135 $aur|n|---||||| 181 $ctxt 182 $cc 183 $acr 200 10$aSettleability problems and loss of solids in the activated sludge process$b[electronic resource] /$fMichael H. Gerardi 210 $aNew York $cWiley-Interscience$dc2002 215 $a1 online resource (191 p.) 225 1 $aWastewater microbiology series 225 1 $aEnvironmental Protection magazine series 300 $a"Volume II". 311 $a0-471-20694-6 320 $aIncludes bibliographical references (p. 163-165) and index. 327 $aSettleability Problems and Loss of Solids in the Activated Sludge Process; Contents; Preface; PART I OVERVIEW; 1 The Activated Sludge Process; 2 Floc Formation; 3 A Floc Formation Model; 4 Interruption of Floc Formation; PART II SETTLEABILITY PROBLEMS AND LOSS OF SOLIDS; 5 Introduction; 6 Undesired Filamentous Growth; 7 Nutrient-Deficient Floc Particles; 8 Denitrification; 9 Sheared Floc Particles; 10 Dispersed Floc Particles; 11 Heavy Metals and Congealed Floc Particles; 12 Low Dissolved Oxygen Concentration; 13 Young Sludge Age; 14 Floc Particles Lost Through Sludge Aging 327 $a15 Slug Discharge of Soluble cBOD16 Viscous Bulking or Zoogloeal Growth; 17 Increase in Percent MLVSS; 18 Colloidal Floc Particles; 19 Temperature; PART III FOAM AND SCUM; 20 Production and Accumulation of Foam and Scum; 21 Identification of Foam; 22 Controlling Foam Production and Accumulation; PART IV SETTLEABILITY TESTING; 23 Settleability Testing and Settling Rate; 24 Settleability Testing: Microscopic Analyses; APPENDIX I F/M, HRT, MCRT, MLVSS, SLUDGE AGE, SVI; APPENDIX II MICROSCOPIC TECHNIQUES; References; Abbreviations and Acronyms; Chemical Compounds and Elements; Glossary; Index 330 $aThe activated sludge process is the most versatile, commonly used wastewater treatment system in North America; however, many activated sludge processes frequently experience operational problems related to poor compaction or settleability of secondary solids and loss of secondary solids from the clarifier. Eschewing the technical jargon and copious chemical equations found in the majority of wastewater studies, Settleability Problems and Loss of Solids in the Activated Sludge Process speaks directly to plant operators, showing them how to identify and solve common problems and a 410 0$aWastewater microbiology series. 410 0$aEnvironmental Protection magazine series. 606 $aSewage$xPurification$xActivated sludge process 606 $aSewage disposal 608 $aElectronic books. 615 0$aSewage$xPurification$xActivated sludge process. 615 0$aSewage disposal. 676 $a628.354 700 $aGerardi$b Michael H$0512227 801 0$bMiAaPQ 801 1$bMiAaPQ 801 2$bMiAaPQ 906 $aBOOK 912 $a9910143179603321 996 $aSettleability problems and loss of solids in the activated sludge process$92198544 997 $aUNINA LEADER 01716nam 2200469Ia 450 001 9910691028303321 005 20230916001704.0 035 $a(CKB)5470000002344073 035 $a(OCoLC)46729776 035 9 $aocm46729776 035 $a(OCoLC)995470000002344073 035 $a(EXLCZ)995470000002344073 100 $a20010413d2000 ua 0 101 0 $aeng 181 $ctxt$2rdacontent 182 $cn$2rdamedia 183 $anc$2rdacarrier 200 10$aAttractant semiochemicals of the engraver beetle, Ips perturbatus, in south-central and interior Alaska /$fEdward H. Holsten, Roger E. Burnside, and Steven J. Seybold 210 1$a[Portland, Or.] :$cU.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station,$d[2000] 215 $a9 pages ;$d28 cm 225 1 $aResearch paper PNW ;$vRP-529 300 $a"December 2000." 320 $aIncludes bibliographical references (pages 8-9). 606 $aBark beetles$zAlaska 606 $aInsect baits and repellents$zAlaska 606 $aIps$zAlaska 606 $aSemiochemicals$xPhysiological effect 615 0$aBark beetles 615 0$aInsect baits and repellents 615 0$aIps 615 0$aSemiochemicals$xPhysiological effect. 700 $aHolsten$b Edward H$g(Edward Harold),$f1944-$01425310 701 $aBurnside$b Roger E$01384919 701 $aSeybold$b Steven J$01384920 712 02$aPacific Northwest Research Station (Portland, Or.) 801 0$bORE 801 1$bORE 801 2$bGPO 906 $aBOOK 912 $a9910691028303321 996 $aAttractant semiochemicals of the engraver beetle, Ips perturbatus, in south-central and interior Alaska$93555510 997 $aUNINA