LEADER 03653nam 2200613Ia 450 001 9910830483003321 005 20230607214114.0 010 $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 $aSewage disposal 615 0$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 $a9910830483003321 996 $aSettleability problems and loss of solids in the activated sludge process$94009104 997 $aUNINA LEADER 00924cam0-2200301 --450 001 9911011475603321 005 20250702140723.0 010 $a9791254861400 020 $aIT$b2024-2507 100 $a20250702d2023----kmuy0itay5050 ba 101 0 $aita 102 $aIT 105 $ay 001yy 200 1 $a<>giornalista social media manager$evademecum tra diffamazione, privacy e copyright$fDeborah Bianchi 210 $aOspedaletto, Pisa$cPacini$d2023 215 $a149 p.$d19 cm 225 1 $aSaggistica 225 1 $aQuaderni della formazione$v9 610 0 $aGiornalismo$aImpiego [dei] Media sociali 676 $a070.402854678$v23$zita 700 1$aBianchi,$bDeborah$0517988 801 0$aIT$bUNINA$gREICAT$2UNIMARC 901 $aBK 912 $a9911011475603321 952 $aCOLLEZ. 3522 (9)$b1938/2025$fFSPBC 959 $aFSPBC 996 $aGiornalista social media manager$94400157 997 $aUNINA