Page 585 - Industrial Wastewater Treatment, Recycling and Reuse

Index 555

Ozonation, phenolic compounds SEM, 338–340
removal, 326 solvent extraction, 327
Ozone and cavitation, combined synthetic, 333–334
process, 171f XRD, 344–345
Photocatalytic oxidation
advantages, 161
P amount and type, catalyst, 163
PEM. See Proton exchange membrane equipments, schematic representation,
(PEM) 164f
Pharmaceutical API industry ionic species, 166
biological system, 502 medium pH, 165
dryer system, 507–511 occurrence, 161–162
effluents, 500 optimum operating conditions, 163–166
equalization tank, 501 oxidative reactions, 162
evaporation system, 505–507 photo-activated chemical reactions, 161
filter feed tank, 502 process, 162–163
flash mixer, 501 radiant flux, 165
flocculator, 501 reactor and reactor designs, 162–163
lean stream, 500–501 real-life industrial effluents, 166
membrane recycling system, 502–504 supported photocatalyst, 163
oil and grease trap, 501 wavelength of irradiation, 164, 165
secondary settling tank, 502 Photo-Fenton process
solvent stripping system, 504–505 description, 175–176
tube settler, 501 efficacy, 176
Phenolic wastewaters, adsorbents. reactions and reaction pathways, 175, 176f
See also Adsorption process Physico-chemical methods
AC (see Activated carbon (AC)) adsorption (see Adsorption process)
activating agents, 333 advanced coagulation processes
activation procedure, 332 (see Coagulation)
bentonite, 329–330 AOPs (see Advanced oxidation processes
BET surface area analysis, 340–344 (AOPs))
biodegradation, 326–327 biological, 84
biomass, 330–332 BOD to COD, 82
BP and TW, 333 cavitation (see Cavitation)
characteristics, 329–330 chemical industry and processing, 82–84,
chemical activation, 332 83f
chemical oxidation, 325–326 environmental pollution control, 82–84
coagulation, 324–325 flowchart, decision making, 84, 85f
desorption, 360–362 interactions, 86
disposal and cost analysis, 362–363 ion exchange process (see Ion exchange
electrolysis, 326 process)
FTIR spectrum, 334–338 membrane separations, 114–118
industrial pollutants, 324 pollutant levels/concentrations, 84
ion exchange, 325 primary, secondary, and tertiary
ozonation, 326 treatments, 81–82
physical activation, 332 removal/recovery, pollutants, 81
physicochemical analysis, 345–347 seldom satisfactory, 81–82
reverse osmosis, 327 treatment process, 84