This course includes content developed by the Pennsylvania Department of Environmental Protection (Pa. DEP) in cooperation
with the following contractors, subcontractors, or grantees:
The Pennsylvania State Association of Township Supervisors (PSATS)
Gannett Fleming, Inc.
Dering Consulting Group
Penn State Harrisburg Environmental Training Center
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Disinfection of Water
This course includes content developed by the Pennsylvania Department of Environmental Protection
(Pa. DEP) in cooperation with the following contractors, subcontractors, or grantees:
The Pennsylvania State Association of Township Supervisors (PSATS)
Gannett Fleming, Inc.
Dering Consulting Group
Penn State Harrisburg Environmental Training Center
Disinfection of Water
This course includes content developed by the Pennsylvania Department of Environmental Protection
(Pa. DEP) in cooperation with the following contractors, subcontractors, or grantees:
The Pennsylvania State Association of Township Supervisors (PSATS)
Gannett Fleming, Inc.
Dering Consulting Group
Penn State Harrisburg Environmental Training Center
Biocides for Disinfection and Storage of Hydranautics Membrane Elements
This bulletin provides general information about biocides that may be used with Hydranautics membrane elements for disinfection and/or storage. Before storage or disinfection of Hydranautics elements, one should become familiar with Technical Service Bulletins 108 and 118 which describe the general storage and flushing procedures for all Composite Polyamide, and PVD membrane elements. Also, one should confirm which type of membrane elements are actually in the system. Since elements may be composed of either composite polyamide membrane or polyvinyl derivative, it is imperative to be certain of the type to be disinfected.
Biocides for Disinfection and Storage of Hydranautics Membrane Elements
This bulletin provides general information about biocides that may be used with Hydranautics membrane elements for disinfection and/or storage. Before storage or disinfection of Hydranautics elements, one should become familiar with Technical Service Bulletins 108 and 118 which describe the general storage and flushing procedures for all Composite Polyamide, and PVD membrane elements. Also, one should confirm which type of membrane elements are actually in the system. Since elements may be composed of either composite polyamide membrane or polyvinyl derivative, it is imperative to be certain of the type to be disinfected.
Disinfection
The destruction of pathogenic organisms
Not to be confused with sterilization, which is the destruction of all organisms
Chlorine is the most widely used disinfecting chemical
Disinfection
The destruction of pathogenic organisms
Not to be confused with sterilization, which is the destruction of all organisms
Chlorine is the most widely used disinfecting chemical
Disinfection, Chlorination and Oxidation
Chlorination: application of chlorine to water, generally for the purpose of disinfection, but also for other purposes such as odor control.
Disinfection: the addition of chlorine, ozone, UV light, etc. to water in order to kill or inactivate disease causing organisms; effectiveness measured using the coliform test.
Disinfection, Chlorination and Oxidation
Chlorination: application of chlorine to water, generally for the purpose of disinfection, but also for other purposes such as odor control.
Disinfection: the addition of chlorine, ozone, UV light, etc. to water in order to kill or inactivate disease causing organisms; effectiveness measured using the coliform test.
Disinfection and Oxidation
Disinfection:
is killing or inactivate of pathogenic organisms. It is necessary if the water to be used for drinking water is not hygienically reliable. In water treatment, aimed at the production of drinking water, disinfection is the most important treatment step. Purpose of disinfection: To make Drinking water free of any disease causing bacteria and microbes.
Disinfection and Oxidation
Disinfection:
is killing or inactivate of pathogenic organisms. It is necessary if the water to be used for drinking water is not hygienically reliable. In water treatment, aimed at the production of drinking water, disinfection is the most important treatment step. Purpose of disinfection: To make Drinking water free of any disease causing bacteria and microbes.
Disinfection Practices for Water – Basic
. Chemical and physical relationships govern all disinfection chemistry
. Knowledge of these relationships increases operator skills and troubleshooting abilities
. Allows operators to control conditions that optimize disinfection practices
. Treatment processes are managed to disinfect water for consumption and to meet regulatory objectives
. Minimum disinfectant residuals
. CT compliance - demonstration of efficient disinfection
Disinfection Practices for Water – Basic
. Chemical and physical relationships govern all disinfection chemistry
. Knowledge of these relationships increases operator skills and troubleshooting abilities
. Allows operators to control conditions that optimize disinfection practices
. Treatment processes are managed to disinfect water for consumption and to meet regulatory objectives
. Minimum disinfectant residuals
. CT compliance - demonstration of efficient disinfection
Disinfection
•Destruction or inactivation of pathogenic organisms
•Disinfection can be done by:– chemical means-chlorine, ozone, –non-chemical means-heat, UV irradiation
Disinfection
•Destruction or inactivation of pathogenic organisms
•Disinfection can be done by:– chemical means-chlorine, ozone, –non-chemical means-heat, UV irradiation
Alternative Technologies – Chlorine Dioxide
First used in beginning of 20th century, Ostend Belgium.
Known powerful water disinfectant, implemented to water disinfection in 1950’s.
Approximately 700-900 installations in water treatment.
Does not react with organics in the same way chlorine does.
Alternative Technologies – Chlorine Dioxide
First used in beginning of 20th century, Ostend Belgium.
Known powerful water disinfectant, implemented to water disinfection in 1950’s.
Approximately 700-900 installations in water treatment.
Does not react with organics in the same way chlorine does.
Disinfection Of Treated Wastewater
These guidelines provide a framework of best practices for the disinfection of treated wastewater destined either for reuse or disposal to surface waters. They will also assist water businesses and private owners of package sewage treatment plants to meet their obligations for environmental protection as stated in the SEPP (Waters of Victoria). The ultimate goal of wastewater treatment and disinfection is to produce an effluent of such quality (dependent upon final use) that minimal additional controls are needed to manage any human health, agricultural or environmental risks.
Disinfection Of Treated Wastewater
These guidelines provide a framework of best practices for the disinfection of treated wastewater destined either for reuse or disposal to surface waters. They will also assist water businesses and private owners of package sewage treatment plants to meet their obligations for environmental protection as stated in the SEPP (Waters of Victoria). The ultimate goal of wastewater treatment and disinfection is to produce an effluent of such quality (dependent upon final use) that minimal additional controls are needed to manage any human health, agricultural or environmental risks.
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