Posted by Rachel | Posted in Coffee and Accessories | Posted on 29-01-2009
Tags: art, charcoal coffee filters, charcoal coffee filters stores, charcoal filters for cuisinart coffee maker, coffeemaker, cuisinart charcoal coffee filters, filters, ge charcoal coffee filters, graphics, images
I have a science project in which i need to remove pollutants from water- what is the best way to do this?
I need to remove pollutants with a limited amount of materials.
They include: soda bottles, plastic tubing, cotton, duct tape, poly-fish filter, activated charcoal, coffee filters, kitty litter, vermiculite, baking soda, paper towal, gauze, sand, clay, soil, cardboard, rocks, and hot glue. I really dont know the best way to do this, and so it would be great if someone could share theirs with me asap. thank you! [:
You have a good selection of materials to make a progressive filter.
Divide your materials into 3 categories:
1. Filtering materials in order of effectiveness- rocks, kitty litter, vermiculite, sand, gauze, cotton paper towels, coffee filters, activated charcoal… etc.
2. Containers- soda bottles, plastic tubing.
3. Attaching materials- hot glue, duct tape.
Now you have to put the materials into the soda bottles. Start with the rocks. Cut off the bottom of the bottle, put some gauze in the mouth of the bottle put a hole in the cap, and put in on the bottle. Now turn the bottle over and put in the rocks. This is stage 1 of your filter.
Take another bottle with a hole in the cap. Cut off the bottom and duct tape this into the open end of the bottle to hold the rocks in during transport and to act as a funnel.
Stage 2 is almost the same. This time use the kitty litter instead of the rocks. Stick the neck of the first stage into the open end of the second stage and use the duct tape to hold them together.
Stage 3: Vermiculite
Stage 4: Sand, but now you have to use the paper towel instead of the gauze because the sand can get through the gauze.
Stage 5 is just the coffee filters
Stage 6 is the activated charcoal and use the cotton in the neck to keep the charcoal in the bottle. The last stage should again use a coffee filter to get any bits of charcoal that may have escaped.
If you duct tape each stage carefully to the next you will have a tall progressive filter. You pour in the polluted water at the top and you will have pretty well filtered water at the bottom.
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