… Data show post-chlorination blended (■) and non-blended (□) greywater samples. The resistance
of particle-associated bacteria to chlorine disinfection, as shown in the current … showed that particles
afforded protection to bacteria from inactivation in chlorinated surface water …

… disinfectants commonly used by the water industry such as free chlorine, chloramines and … and
Giardia, to conventional chemical disinfectants requires extremely high disinfectant dosage,
leading … They are promising for low-cost and low-tech disinfection applications, particularly …

… Particle- associated organisms also are more difficult to disinfect with ultraviolet (UV) light than
are … In disinfected effluents, it is likely that this percentage increases dramatically … Effluent was
drawn from the weir of the secondary sedimentation basin before chlorine disinfection …

… Introduction Chlorination and ultraviolet (UV) irradiation are two widely used methods of
disinfection for wastewater … coliform is greater than the inactivation rate of particle-associated
coliform under UV or chlorine disinfection. • Under prolonged contact times, chlorine appears …

… These results indicate that the disinfection effectiveness of UV for M. terrae in nonfiltered or
coarsely filtered (100-μm) samples was poorer … (2002) reported that chlorination of M … The
inactivation rate of M. gordonae with free chlorine at 25°C was 0.09 mg-min/L; however, at 4° …

… of targeted organisms with wastewater particles on the performance of a chlorination system
and … model can be used to analyze the penetration of solute disinfectants (eg, chlorine) into
wastewater … of the reactive radial diffusion model and its coupling with the disinfection model …

… The complete disinfection pro- cedure has been described previously (2). Briefly, the disin- fection …
The tailing curves are indicative of protection of the coliforms from the chlo- rine disinfectant … of
monochloramine at lower pHs is because at lower pHs, the free chlorine present in …

… For microbiology experi- ments aseptic techniques were employed throughout using sterile
solutions and glassware. 2.1. Chlorination experiments Chlorinated water samples were prepared
by either passing chlorine gas through the sample solution for a 2.3 …

… If so, the UV levels necessary to meet coliform standards may be rela- tively more effective than
chlorination in killing … Thus, when UV light and chlorine disinfection are compared on the basis
of a given level of inactivation of nonaggregated E. coli, the inactivation of …

… Since the 1998 discovery that ultraviolet (UV) light can inactivate the chlorine-resistant protozoan …
In wastewater treatment, chlorination and UV disinfection are com- monly applied … The inactivation
mechanism of UV disinfection pro- ceeds via the formation of pyrimidine dimers in …