Наманганский государственный университет, Наманган, Республика Узбекистан

Султонов Б. Э., профессор, д-р техн. наук, bse-chemist-68@mail.ru

Холматов Д. С., доцент, PhD по хим. наукам, Hol.dCo.ltd@mail.ru

Расулов А. А., доцент, PhD по техн. наукам, azamra@mail.ru

Навоийский государственный горно-технологический университет, Навои, Республика Узбекистан

Темиров У. Ш., профессор, д-р техн. наук, temirov-2012@mail.ru

Представлены результаты утилизации фосфатных отходов — минерализованной массы и шламового фосфорита, которые образуются при термическом обогащении фосфоритов Центральных Кызылкумов азотной кислотой. Изучено влияние концентрации и расхода азотной кислоты на содержание основных компонентов в активированных фосфорных удобрениях. По данным лабораторных экспериментов определены их оптимальные значения, позволяющие получать удобрения, которые соответствуют требованиям сельскохозяйственного производства. Растворы нитрата кальция, образующегося при получении активированных фосфорных удобрений, можно перерабатывать на твердые или жидкие азотно-кальциевые удобрения.

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