The Microbiology of Anaerobic Digesters

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The Microbiology of Anaerobic Digesters GMAPR 6/18/03 4:52 PM Page i ...

WASTEWATER MICROBIOLOGY SERIES Editor Michael H. Gerardi Nitrification and Denitrification in the Activated Sludge Process Micha ...

The Microbiology of Anaerobic Digesters Michael H. Gerardi A John Wiley & Sons, Inc., Publication GMAPR 6/19/03 3:55 PM Page ...

Copyright © 2003 by John Wiley & Sons, Inc. All rights reserved. Published by John Wiley & Sons, Inc., Hoboken, New Jers ...

To Mom and Dad GMAPR 6/18/03 4:52 PM Page v ...

The author extends his sincere appreciation to joVanna Gerardi for computer support and Cristopher Noviello for artwork used in ...

Contents vii ...

viii CONTENTS PART I OVERVIEW Preface ix 1 Introduction 2 Bacteria 3 Methane-forming Bacteria 4 Respiration 5 Anaerobic Food Ch ...

Preface Completely mixed anaerobic digesters are the most commonly used treatment system in North America for the degradation of ...

GMAPR 6/18/03 4:52 PM Page x ...

Part I Overview ...

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1 Introduction 3 The organic content of sludges and soluble wastes can be reduced by controlled bac- terial activity. If the bac ...

4 INTRODUCTION Biogas Scum Layer Supernatant Active Biomass Stabilized Solids Biogas Withdrawal Solids Withdrawal Inlet Outlet F ...

INTRODUCTION 5 Primary Clarifier Secondary Clarifier Aeration Tank Anaerobic Digester Figure 1.3 Primary and secondary sludges t ...

6 INTRODUCTION Digester Feed Sludge 100 kg, 70% Volatile Solids Volatile Solids, 70 kg Inert Solids, 30 kg Inert Solids, 30 kg V ...

simplistic, soluble organic compounds (volatile acids and alcohols). The second stage of the process, acetogenesis, involves the ...

Until recently, little information was available that reviewed the bacteria and their requirements for anaerobic digestion of so ...

INTRODUCTION 9 TABLE 1.4 Chemical Wastes Amenable to Anaerobic Digestion Acetone Formate Acrylates Glycerol Alcohols Glycols Ald ...