DESC:PHOTOCATALYTIC COMPOSITION FOR ENVIRONMENTAL PURIFICATION AND METHOD THEREOF ,CLAIMS:1. A composition comprising:
a photocatalyst;
a redox agent;
an absorbent;
a stabilizing agent; and
water
wherein the photocatalyst is coated with apatite.
2. The composition as claimed in claim 1, wherein the composition comprises:
a photocatalyst in the range of 2%-8% w/w;
at least one redox agent in the range of 40%-65% w/w;
an absorbent in the range of 0.5%-1% w/w;
a stabilizing agent in the range of 20%-25% w/w; and
water in the range of 0.5%-1% v/w
wherein photocatalyst is coated with apatite.
3. The composition as claimed in claim 1, wherein the composition comprises:
8% w/w of a photocatalyst;
65% w/w of at least one redox agent;
1% w/w of an absorbent;
25% w/w of a stabilizing agent; and
1% v/w of water,
wherein photocatalyst is coated with apatite
4. The composition as claimed in claim 1, wherein the apatite is selected from the group consisting of hydroxyapatite, fluorapatite, chlorapatite, and combinations thereof, preferably hydroxyapatite.
5. The composition as claimed in claim 1, wherein the photocatalyst is selected from the group consisting of titanium dioxide, zinc oxide, tungsten oxide, silver oxide, copper oxide and magnesium oxide, preferably titanium dioxide.
6. The composition as claimed in claim 1, wherein the redox agent is selected from the group consisting of citric acid, sodium percarbonate and combinations thereof.
7. The composition as claimed in claim 1, wherein the absorbent is selected from the group consisting of alumina, silica gel, zeolite, clay sintered compacts, glass, foam ceramics silica, and combinations thereof.
8. The composition as claimed in claim 1, wherein the stabilizing agent is sodium acid phosphate.
9. The composition as claimed in claim 1, wherein the composition is a powder, paste or slurry.
10. The composition as claimed in claim 1, wherein the composition comprises:
titanium dioxide in the range of 6%-8% w/w;
citric acid in the range of 20%-30% w/w;
sodium percarbonate in the range of 30%-35% w/w;
silica gel in the range of 0.5%-1% w/w;
sodium acid phosphate in the range of 20%-25% w/w; and
water in the range of 0.5%-1% v/w.
wherein titanium dioxide is coated with apatite.
11. The composition as claimed in claim 1 is used as an environmental purification material by dissolving toxic materials into non-hazardous materials.
12. The composition as claimed in claim 1, wherein the composition is mixed with water in a range of 1:70 to 1:100 w/v.
13. A process for producing a composition as claimed in claim 1, the process comprising heating 2%-8% w/w of a photocatalyst coated with apatite in a slurry containing at least one redox agent in the range of 40%-65% w/w, an absorbent in the range of 0.5%-1% w/w, a stabilizing agent in the range of 20%-25% w/w and water in the range of 0.5%-1% v/w to obtain the composition.

14. The process as claimed in claim 13, wherein the composition is mixed with water in a range of 1:70 to 1:100 w/v.