Custom manufacture of catalysts and catalyst carriers, mineral based catalysts and catalyst carriers, catalysts and catalyst carriers containing bentonite, silicates, aluminosilicates, kaolin and diatomaceous earth; treatment of materials, namely, regeneration of catalysts and catalyst carriers, mineral based catalysts and catalyst carriers, catalysts and catalyst carriers containing bentonite, silicates, aluminosilicates, kaolin and diatomaceous earth to restore their original properties