Preparation method of nuclear pure grade thorium

• Main Authors: WANG CHUNYE, LI XIAOHONG, ZHOU ZHIQUAN, SUN HAOBO, ZHAO FENGQI, SHU ZUJUN, CAO SHUQIN, GUO GUOLONG, WANG HAISHENG, SUN XIAOGUANG
• Format: Patent
• Language: Chinese; English
• Published: 04.05.2016
• Subjects: CHEMISTRY; FERROUS OR NON-FERROUS ALLOYS; METALLURGY; PRETREATMENT OF RAW MATERIALS; PRODUCTION AND REFINING OF METALS; TREATMENT OF ALLOYS OR NON-FERROUS METALS

The invention provides a preparation method of nuclear pure grade thorium. The method includes the steps of dissolution, filtration, precipitation, ageing, burning and the like. The method provided by the invention can effectively lower the content of impurity elements in analytically pure thorium n...