Process for the production of phosphate fertilizers in a uniformly grained form
FR759709A
Process for bringing lime cyanamide to the state of a spreadable product which does not reduce to dust
FR746650A
Process for obtaining fertilizers in the form of grains of uniform size
DE579731C
Process for the production of fertilizers
GB366970A
Improvements in or relating to the solution of phosphate rock in nitric acid
FR706906A
Method of dissolving solid bodies in acids, in particular dissolving phosphate ores in nitrogen acid, the object of which is to prevent the formation of foam
FR704703A
Process for the treatment of solutions of phosphate ores in nitrogen acid
DE559073C
Process for removing insoluble impurities when dissolving rock phosphate in nitric acid
FR704667A
Method for cooling and crystallizing solutions of calcium nitrogen and other hydrated salts
GB357814A
Improvements in and relating to the treatment of phosphate rock
DE549540C
Process for the production of concentrated fertilizers
FR704098A
Manufacturing process for concentrated fertilizers
FR704097A
Fertilizer manufacturing process
DE566834C
Process for the production of concentrated fertilizers
GB359680A
Improvements in and relating to the treatment of phosphate rock and the manufacture of fertilisers
GB361518A
Improvements in and relating to the treatment of phosphate rock and the manufacture of fertilisers
FR39073E
Process for converting natural phosphates into soluble compounds and for separating the lime and phosphoric acid contained therein
FR702700A
Fertilizer manufacturing process
FR702701A
Preparatory treatment of phosphate ores which must be dissolved in acids
GB349877A
Improvements in and relating to the treatment of phosphate rock and the like
