Purification of Water by Aloe
(1) Hopkinton High School, Hopkinton, Massachusetts
Phosphate, copper, iron, and nitrate are common contaminants found in water and can cause severe illnesses. These pollutants arise from the use of fertilizers to increase crop production. Obtaining adequate water purification is a continuing and growing problem, especially in Africa. The aloe vera gel from the aloe vera cactus, which is indigenous to Africa, may be used to purify water. The aloe vera gel reduced copper, iron, and phosphate concentrations by 100%, 93%, and 40%, respectively. However, the aloe vera gel was not effective for removing nitrate. The interaction between the aloe vera gel and the pollutants is important because it can provide a simpler way to purify water with natural material that is abundant in African countries.