Filtration is one of the most effective yet simplest water treatment processes.
Water filter design concept.
Kill pathogens in the water.
Have them record and explain their choices on the worksheet.
The filter is flowerpot shaped holds about 8 10 liters of water and sits inside a plastic or ceramic receptacle.
When clean sawyer filters only need 1 to 2 psi of pressure to flow freely.
They learn about the importance of water and its role in our everyday lives.
Ceramic filtration cdc pdf pdf 2 pages.
In this thesis literature reviews on existing water filters have been completed and design of a dual level water filter with ceramic and activated carbon is developed.
Clean water environmental engineering company design project.
A low cost water filter can serve as a subsidy such that every family can take advantage of this luxury.
Locally manufactured ceramic filters have traditionally been used throughout the world to treat household water.
Water filter activity 1.
We set up coffee filters containing sand stones and then just plain filters.
The great thing about this experiment is that you can design it however you like.
A disinfection step e g.
As the fibers collect particulates the pressure to move water through will increase as the particulates create barriers to water flow.
Contaminated water is the number read more.
If there is arsenic in the water this is a different matter and does require a special filter design.
Water flow rate tests are carried out to optimize water filter design.
Water filter treatment system at the household level.
Chlorination or solar distillation is highly recommended to complete i e.
More thorough filtration can be achieved with a slow sand filter or reverse osmosis.
Sawyer filters have very strong fibers see fiber strength study and are capable of handling up to 40 psi pounds per square inch of pressure.
According to the world health organization who 748 million people lack access to uncontaminated drinking water sources.
Moreover who estimates that 1 8 billion people use a fecally contaminated drinking water source 2 5 billion lack access to improved sanitation facilities and more than 840 000 people die from water related diseases annually.
Set up an experiment where the conditions.
Ask students to work in their engineering design groups to design the best water filter system given the filter material options and their choice of aerated or non aerated water.
We carefully poured the same amount of water through each filter and observed the results.
Students are asked to design methods to filter water using ordinary materials while also considering their designs material and cost efficiencies.
More ideas to try water filter science project.
Break students into small groups and pass out worksheet 1 water filter procedure one for each student or one for each lab group and worksheet 2 water filter lab worksheet one for each student distribute lab supplies to each station 2 liter soda bottle.