inactivation of specific target cells and parental cells favors the production of
different reactive species. This research opens an era for further research in the
water disinfection process by integrating genetic technology and cytobiology. Reddy
et al. (2017) showed that the interaction between the photocatalytic material and the
pathogenic microorganisms leading to the generation of reactive species is profoundly affected by the water matrix property such as oxygen content, pH, and
ionic strength.
7.5 The Effect of the Water Matrix on the Disinfection
Process
Other than the essential characteristics of disinfection materials, the performance of
photocatalyst materials can be inhibited by the environmental parameters (Smith and
Rodrigues 2015). Some microorganisms are sensitive to a specific type of catalyst
(metal oxides, ceramic materials, graphene), not for others, but are more sensitive to
the ionic composition of reaction media (Li et al. 2016a; Marugán et al. 2010).
Moreover, similar results were also reported by Huang et al. (2017), who investigated the interaction between the photocatalytic material and the pathogenic microorganisms and showed that the generation of reactive species was profoundly
affected by the water matrix property such as oxygen and ionic content.
7.5.1 Factors Affecting Water Mix Property on the Water
Disinfection Process
The pH of the Solution
One of the most critical factors reported as affecting the water disinfection process is
the pH of the reaction media. The changes in the pH value can lead to a change in the
charge of the photocatalytic material surface in direct relation with the microbial cell
wall membrane. Jia et al. (2016) in their research to disinfect bacteria using TiO 2 -
Bi 2 WO 6 showed that high disinfection was found in acidic media. This result is an
inconsistency with the results reported by Liang et al. (2015). However, Deng et al.
(2017) investigated that increasing the pH of solution leads to enhancing the
disinfection process as well as the oxidation of the photocatalytic g-C 3 N 4 -AgBr
leading to generate more hydroxyl radicals and favors the conditions for cell
disinfection. This leads to include the effect of pH during the experimental study
of adsorption bacteria and oxidation of the photocatalytic material to disinfect
microorganisms from wastewater.
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T. G. Ambaye et al.
different reactive species. This research opens an era for further research in the
water disinfection process by integrating genetic technology and cytobiology. Reddy
et al. (2017) showed that the interaction between the photocatalytic material and the
pathogenic microorganisms leading to the generation of reactive species is profoundly affected by the water matrix property such as oxygen content, pH, and
ionic strength.
7.5 The Effect of the Water Matrix on the Disinfection
Process
Other than the essential characteristics of disinfection materials, the performance of
photocatalyst materials can be inhibited by the environmental parameters (Smith and
Rodrigues 2015). Some microorganisms are sensitive to a specific type of catalyst
(metal oxides, ceramic materials, graphene), not for others, but are more sensitive to
the ionic composition of reaction media (Li et al. 2016a; Marugán et al. 2010).
Moreover, similar results were also reported by Huang et al. (2017), who investigated the interaction between the photocatalytic material and the pathogenic microorganisms and showed that the generation of reactive species was profoundly
affected by the water matrix property such as oxygen and ionic content.
7.5.1 Factors Affecting Water Mix Property on the Water
Disinfection Process
The pH of the Solution
One of the most critical factors reported as affecting the water disinfection process is
the pH of the reaction media. The changes in the pH value can lead to a change in the
charge of the photocatalytic material surface in direct relation with the microbial cell
wall membrane. Jia et al. (2016) in their research to disinfect bacteria using TiO 2 -
Bi 2 WO 6 showed that high disinfection was found in acidic media. This result is an
inconsistency with the results reported by Liang et al. (2015). However, Deng et al.
(2017) investigated that increasing the pH of solution leads to enhancing the
disinfection process as well as the oxidation of the photocatalytic g-C 3 N 4 -AgBr
leading to generate more hydroxyl radicals and favors the conditions for cell
disinfection. This leads to include the effect of pH during the experimental study
of adsorption bacteria and oxidation of the photocatalytic material to disinfect
microorganisms from wastewater.
228
T. G. Ambaye et al.