How to Use "purify" with Example Sentences

1. Gas drillers are obliged to purify the water they extract .
2. However it takes another three weeks to extract and purify the drug
3. Some enthusiasts have even learned to purify their own cocaine , using acetone and coffee filters .
4. Wind turbines and solar cells will generate electricity and a rainwater collection system will harvest and purify rain .
5. It is known to purify the lungs and skin and generate perspiration to reduce fevers .