Obtaining complex fertilizers based on low-grade phosphorites
Uktam Temirov, Nodir Doniyarov, Bakhrom Jurakulov, Najimuddin Usanbaev, Ilkhom Ahrorovich Tagayev, Abdurasul Мamataliyev
Abstract
In the study, the process preparation of phosphorus-humus fertilizers based on low-grade Central Kizilkum phosphorites activated using sulfuric acid in the ratio of 30-70% for decomposition of CaCO3 in the phosphorite followed by addition of activated sludge from municipal waster water was investigated.
Topics & Concepts
PhosphoriteSulfuric acidPhosphogypsumPhosphorusHumusEnvironmental scienceDecompositionChemistryEnvironmental chemistryInorganic chemistrySoil scienceSoil waterRaw materialOrganic chemistryFood Industry and Aquatic Biology