Disinfection
Source : https://www.un-ihe.org/
Author : Kebreab Ghebremichael, PhD
Prof. Gary Amy, PhD
•Destruction or inactivation of pathogenic organisms
•Disinfection can be done by:– chemical means-chlorine, ozone, –non-chemical means-heat, UV irradiation
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Disinfection and Chlorination
Disinfection is the process designed to kill or inactivate most microorganisms in wastewater, including essentially all pathogenic organisms. Contrast this to sterilization, which is the removal and destruction of all living microorganisms, including pathogenic and saprophytic bacteria, vegetative forms and spores.
Disinfection and Chlorination
Disinfection is the process designed to kill or inactivate most microorganisms in wastewater, including essentially all pathogenic organisms. Contrast this to sterilization, which is the removal and destruction of all living microorganisms, including pathogenic and saprophytic bacteria, vegetative forms and spores.
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 Basics
Disinfection Basics CEU Training Course This course will cover the fundamentals of water disinfection beginning with the different and alternative water disinfectants and ending with the biological analysis of the water, insuring that the water meets federal compliance. Task Analysis and Training Needs Assessments have been conducted to determine or set Needs-To-Know for this course. The goal of this CEU Course is to provide awareness training to help workers recognize the occupational hazards and health effects of different disinfectants, halogens, chlorine exposure and the exposure controls; and to familiarize the participants with the properties and safe handling of chlorine - solid, liquid, gas, and the operation of gas chlorinators and other related equipment.
Disinfection Basics
Disinfection Basics CEU Training Course This course will cover the fundamentals of water disinfection beginning with the different and alternative water disinfectants and ending with the biological analysis of the water, insuring that the water meets federal compliance. Task Analysis and Training Needs Assessments have been conducted to determine or set Needs-To-Know for this course. The goal of this CEU Course is to provide awareness training to help workers recognize the occupational hazards and health effects of different disinfectants, halogens, chlorine exposure and the exposure controls; and to familiarize the participants with the properties and safe handling of chlorine - solid, liquid, gas, and the operation of gas chlorinators and other related equipment.
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
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 Alternatives For Water And Wastewater
Most Basic Requirement for Sanitation and Protection of Public Health
Prevent the Spread of Waterborne Disease – Typhoid, Salmonella, Cholera, Hookworm, etc.
Kills or Inactivates Most Disease Sources - Bacteria, Protozoa, Parasites, and Viruses
Used Widely Since Around the Turn of the Century with Huge Public Health Benefits
Reduced Infant Mortality & Increased Longevity
Disinfection Alternatives For Water And Wastewater
Most Basic Requirement for Sanitation and Protection of Public Health
Prevent the Spread of Waterborne Disease – Typhoid, Salmonella, Cholera, Hookworm, etc.
Kills or Inactivates Most Disease Sources - Bacteria, Protozoa, Parasites, and Viruses
Used Widely Since Around the Turn of the Century with Huge Public Health Benefits
Reduced Infant Mortality & Increased Longevity
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.
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.
Cleaning And Disinfection Procedures For Filmtec Membrane
The following are general recommendations for cleaning FilmTec™ NF 200 and NF270 Elements. More detailed procedures for cleaning a nanofiltration (NF) system are typically included in the operating manual provided by the system supplier. It should be emphasized that frequent cleaning is not required for a properly designed and properly operated NF system, however because of the NF 200 and NF270 membrane’s unique combination of pH range and temperature resistance, cleaning may be accomplished very effectively.
Cleaning And Disinfection Procedures For Filmtec Membrane
The following are general recommendations for cleaning FilmTec™ NF 200 and NF270 Elements. More detailed procedures for cleaning a nanofiltration (NF) system are typically included in the operating manual provided by the system supplier. It should be emphasized that frequent cleaning is not required for a properly designed and properly operated NF system, however because of the NF 200 and NF270 membrane’s unique combination of pH range and temperature resistance, cleaning may be accomplished very effectively.
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