Abstract: According to a method of producing a phosphate fertilizer, a first portion of the phosphate is produced in a pipe cross reactor, and a second portion of the phosphate is produced in a pre-neutralizer. Both the first and second portions of the phosphate are supplied to a granulator. Ammonia is added to the granulator to react with the first and second portions of the phosphate. To produce the first portion of the phosphate, a micronutrient is added to phosphoric acid to produce an enriched acid, and the enriched acid and ammonia are added to the pipe cross reactor where they are allowed to react to produce ammonium phosphate.

Abstract: A method for preparing a granular fertilizer composition that includes reacting a phosphoric acid stream with ammonia in a pipe cross reactor to form a molten slurry, and discharging the molten slurry into a granulator to form the granular fertilizer composition. The phosphoric acid stream includes greater than 0.6 wt. % magnesium oxide, based upon the total weight of the reactant stream.

Abstract: A fertilizer composition that includes a plurality of particles in which the particles feature a plurality of sulfur platelets embedded within a fertilizer portion, and a method for preparing this composition in which fertilizer-containing particles are sprayed first with a sulfur spray, and then with a slurry containing fertilizer or a precursor thereof, followed by curing.

Abstract: A fertilizer composition that includes a plurality of particles in which the particles feature a plurality of sulfur platelets embedded within a fertilizer portion, and a method for preparing this composition in which fertilizer-containing particles are sprayed first with a sulfur spray, and then with a slurry containing fertilizer or a precursor thereof, followed by curing.

Abstract: This invention concerns a mine roof support of the kind comprising a floor beam, a roof engaging canopy and a plurality of extendible struts such as hydraulic jacks supporting the canopy from the floor beam. The invention comprises the provision of a flap pivotally connected along one edge of the canopy such that outward pivotal movement thereof may cause it to engage the canopy of an adjacent support. Hydraulic jack or equivalent means are provided acting between the canopy and the flap to urge the flap outwardly. The flap provides effective sealing of the gap between adjacent canopies in a line of roof supports and also enables each canopy to be positioned accurately between adjacent supports during advancing movement of the support.