Coal combustion residuals, leachate and wet ash wastes solidification devices, kits, and assemblies

1. An absorbent composition for environmental waste solidification, comprising:

a population of superabsorbent polymer particles (SAP);

bentonite; and

a cement,

wherein the SAP, the bentonite, and the cement are together configured to absorb moisture from an ash waste and form a solidified ash mixture.

2. The composition of claim 1 , wherein the cement comprises Portland cement.

3. The composition of claim 1 , wherein the composition includes about 50% SAP, about 25% bentonite, and about 25% the cement.

4. The composition of claim 1 , where the composition includes about 70-80% SAP, about 5-10% bentonite, and about 5-10% the cement.

5. The composition of claim 1 , further comprising wood flour.

6. The composition of claim 1 wherein the SAP is contained in a pellet form.

7. The composition of claim 6 wherein the pellet form includes between about 2-8% SAP.

8. The composition of claim 1 wherein the SAP is cross-linked internally and on its surface.

9. The composition of claim 1 wherein the SAP is contained inside a water-soluble packet.

10. A method for solidification of environmental waste, comprising:

selecting a population of superabsorbent polymer particles (SAP);

mixing the SAP with bentonite and with a cement, to form an absorbent composition comprising the SAP, the bentonite, and the cement;

and

mixing the absorbent composition with ash waste, wherein the SAP, the bentonite, and the cement are together configured to absorb moisture from the ash waste and form a solidified ash mixture.

11. The method of claim 10 wherein the solidified ash mixture passes a paint filter test.

12. The method of claim 10 , wherein the absorbent composition includes between 0.5% and 2% of the SAP by dry weight.

13. The method of claim 10 , comprising including wood flour in the absorbent composition.

14. The method of claim 10 including forming the absorbent composition into a pellet form.