84814 ⎘
Phosphorus; Compounds thereof; Oxyacids of phosphorus; Salts thereof; Phosphoric acid Preparation neither from elemental phosphorus or phosphoric anhydride nor by reacting phosphate-containing material with an acid, e.g. by reacting phosphate-containing material with an ion-exchange resin or an acid salt used alone
METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM PHOSPHATES FROM PHOSPHATE MINERAL
#2METHOD TO MAKE PHOSPHORIC ACID AND AMMONIUM PHOSPHATES FROM PHOSPHATE MINERALS
#3Method to make phosphoric acid and ammonium phosphates from phosphate minerals
#4Method of phosphorus removal and recovery
#5Rotary kiln for reducing phosphate ore in kiln phosphoric acid process and method for solving ring forming in kiln tail in kiln phosphoric acid process
#6Apparatus for preparing phosphoric acid from fume exiting the kiln in a kiln phosphoric acid process
#7Raw material of composite pellets used in kiln phosphoric acid process, and forming method therefor
#8Method for mass production of phosphoric acid with rotary kiln
#9Raw material pre-treatment method and raw material pre-treatment process system suitable for kiln phosphoric acid process