ABSTRACT
Anaerobic treatment converts the organic pollutants (chemical oxygen demand [COD] and biochemical oxygen demand [BOD]) in wastewater into a small amount of sludge and a large amount of biogas (methane and carbon dioxide). In the absence of oxygen, many different groups of anaerobic
CONTENTS
9.1 Anaerobic Microbiology ........................................................................... 211 9.2 Factors Affecting Anaerobic Treatment.................................................. 214
9.2.1 Temperature .................................................................................... 214 9.2.2 pH ..................................................................................................... 214 9.2.3 Organic Loading Rate ................................................................... 215 9.2.4 Hydraulic Retention Time ............................................................ 215 9.2.5 Nutrient Concentrations ............................................................... 216
9.3 Anaerobic Fluidized Bed Reactors .......................................................... 216 9.3.1 Fluidized Bed Characteristics ...................................................... 217 9.3.2 Advantages of Fluidized Bed Technology ................................. 218
9.4 Anaerobic Tapered Fluidized Bed Reactors ........................................... 218 9.5 Anaerobic Treatment of Synthetic Sago Wastewater: A Case Study ...... 220
9.5.1 Characteristics of Synthetic Sago Wastewater ........................... 220 9.5.2 Experimental Setup .......................................................................222
