Project (2020YFC1909704) supported by the National Key Research and Development Program of China;Projects (N2301017,N2201001) supported by the Fundamental Research Funds for the Central Universities,China;Project (BGRIMM-KJSKL-2023-15) supported by the Open Foundation of State Key Laboratory of Mineral Processing,China。
supported by the Fundamental Research Funds for the Central Universities (No. N2101023);the National Key Research and Development Program of China(No. 2018YFC1901901902);the National Natural Science Foundation of China (Nos. 51904058, 52104247, 52130406);the Open Foundation of State Key Laboratory of Mineral Processing, China (No. BGRIMM-KJSKL-2020-17)。
提出一种难选石煤在空气气氛下悬浮焙烧-酸浸强化的提钒新技术。在焙烧温度为800℃、焙烧时间为20 min、气体流量为400 m L/min的条件下钒的浸出率从过去的20%提高到目前技术的47.14%。在焙烧过程中,石煤表面逐渐变得粗糙和不规则,颗粒...