WASH Flashcards
(50 cards)
What are the two main categories of water uses?
Domestic and industrial
What is the primary source of water for domestic use?
Groundwater
What is the term used to describe the process of removing impurities from water?
Water treatment
What is a common method used for water treatment to remove suspended particles?
Filtration
True or False: Chlorination is a common method used for disinfecting water.
True
What is the term used to describe the process of removing dissolved salts from water?
Desalination
What is the recommended daily intake of water for an average adult?
2 liters
What are some common contaminants found in water sources?
Bacteria, heavy metals, pesticides
What is the term used to describe the process of adding chemicals to water to make it safe for consumption?
Water disinfection
What is the ideal pH range for drinking water?
6.5 to 8.5
What is the most widely used method for water disinfection?
Chlorination
What is the process of removing excess salts and minerals from water called?
Water softening
What is the term used to describe the process of separating solids from water using a membrane?
Reverse osmosis
What is the main purpose of water quality testing?
To ensure water is safe for consumption
What is the term used to describe the removal of bacteria and viruses from water?
Disinfection
What is the term used to describe the process of exposing water to ultraviolet light to kill microorganisms?
UV disinfection
What is the main disadvantage of using chlorine for water disinfection?
Formation of disinfection byproducts
What is the primary purpose of water treatment plants?
To provide safe drinking water to the population
What is the term used to describe the process of removing iron and manganese from water?
Water iron removal
What are the three main steps involved in water treatment?
Coagulation, sedimentation, filtration
What is the term used to describe the process of removing organic matter from water?
Water clarification
What is the recommended temperature for storing drinking water to prevent bacterial growth?
Below 20°C
What is the term used to describe the process of removing dissolved gases from water?
Degassing
What is the most common method used for removing fluoride from water?
Activated alumina adsorption
