Page 580 - Industrial Wastewater Treatment, Recycling and Reuse

550 Index

Dye wastewater treatment (Continued) Emulsion liquid membrane (ELM)
PAC limitations, 95–96 membrane separations, 117
process improvement, 93, 94–95, 95f wastewater treatment technologies,
reactive dyes, 93–94 115–116
textile and dyeing industries, 93 ETP. See Effluent treatment plant (ETP)
effluent treatment and environmental Evaporation
norms, 56–57 description, 492
global scenario, 54–55 ECOVAP, 505
high ammoniacal nitrogen contents, 56 falling film evaporators, 492–493, 493f
Indian scenario, 54 forced circulation evaporators,
liquid effluent, 56 493–494, 494f
physico-chemical methods, 56 forced falling film evaporators, 494–495,
in small scale dyes industry, 55, 55f 495f
MEE, 495–496
MVR, 497–498
E TVR, 496–497, 505–507
Eectro-oxidation, AOPs, 120 vent vapors, 507
Effluent Extractive membrane bioreactors, 532
characteristics, concentrations, 491
compositional analysis, 491
organic matter, 491 F
solvents, 491 Fenton catalytic reactor advanced oxidation
and TDSs, 490 treatment
Effluent treatment plant (ETP) COD result, 205f
description, 525 description, 202–203
operators, 235–236 fluidized-bed Fenton reactor, 203,
recovery/recycling options, 525 203f, 204f
Electrochemical advanced oxidation reduction, sludge formation, 203
treatment with BDD TOC result, 205f
advantages, 206, 207 Fenton chemistry
conductive-diamond anodes, 206 ferrous ions, 160
disadvantages, 207 H 2 O 2 concentration, 160–161
non-sacrificial electrodes, 206 iron salts and H 2 O 2 , application, 158
Electro-coagulation, 92–93 negative effect, H 2 O 2 , 160–161
Electro-Fenton advanced oxidation operating pH, 160
treatment optimum operating conditions, 160–161
advantages, 201 organic pollutants, oxidation, 158–159
description, 199–200 reactor, description, 159
electrochemical cell reactions, 201f treatment flowsheet, 159f
ex situ electro-Fenton layout, 202f Fenton process, advanced oxidation
Fenton sludge recycling, 201–202 technologies
Fered Fenton process, 200–201 advantages, 196, 198
ferrous recycling, 200–201 direct dye wastewater, 198f
layout, 199f disadvantages, 198
pilot electro-Fenton reactor setup, 201f layout, 197f
schematic, 200f process, 197–198
Electrolysis, phenolic compounds requirement, 197
removal, 326 textile wastewater, 198f