Abstract:
A method of preparing a granulated soil additive of calcium sulfate and a soluble salt, preferably a fertilizer, which involves granulating the calcium sulfate employing the soluble salt, incorporated with the calcium sulfate in solution form, as the granulating agent.
Abstract:
LIMESTONE PARTICLES ARE GRANULATED BY CHARGING A BINDER MATERIAL AND WATER TO A TUMBLING BED OF PARTICULATE LIMESTOME AND SEPARATING GRANULES OF A SPECIFIC SIZE FROM THE TUMBLED MATERIAL. THE GRANULES ARE OF SUITABLE SIZE FOR USE IN CONVENTIONAL FERTILIZER APPLICATION EQUIPMENT, ARE ESSENTIALLY ROUND, AND EXTREMELY HARD, YET DECOMPOSE READILY UPON CONTACT WITH THE SOIL.
Abstract:
ILLITIC TENNESSEE CLAY FOUND IN DEPOSITS NEAR PARIS, TENN., HAS BEEN FOUND BY ITSELF TO REDUCE THE CRUSHING STRENGTH OF AMMONIUM NITRATE PRILLS TO ABOUT 5-10 POUNDS PER SQUARE INCH (FRIABLE BAGSET). THE ADDITION OF AN ORGANIC MATERIAL, AS DESCRIBED, GIVES A COMPLETELY FREE FLOWING PRILL, EVEN AFTER A SEVERE TEST. THE ILLITE DESCRIBED IS THE FIRST APPLICABLE WITH GOOD RESULTS WITHOUT ADDITIVES SUCH AS ORGANIC MATERIAL, E.G., AN ALKALI SULFONATE. PROPERTIES OF THE PARIS, TENN., DEPOSIT ILLITE ARE GIVEN TOGETHER WITH TEST RESULTS. A HEATING STEP WHICH EVEN FURTHER IMPROVES THE ANTICAKING PROPERTIES WHICH THE CLAY CAN IMPART TO THE PRILLS IS ALSO DESCRIBED.