Method for leaching laterite-type scandium ore

The invention relates to a leaching method of laterite type scandium ore. The method comprises the following steps: step 1) grinding raw ore of the laterite type scandium ore; (2) acid liquor is added into ore powder obtained after ore grinding according to a certain liquid-solid proportion; (3) heating the mixture obtained in the step (2) to a certain temperature interval, and carrying out acid leaching for a certain time; and 4) carrying out solid-liquid separation on the product obtained in the step 3) to obtain a solid which is leaching residue and a liquid which is a pregnant solution rich in Sc2O3. The method has the beneficial effects that 1, the recommended flow of the laterite type scandium ore is determined to be the hydrochloric acid heating and acid leaching flow; and 2, main condition optimization test results show that the concentration of hydrochloric acid is 25%, the liquid-solid ratio is 7: 1, and the leaching time is 2 hours. And 3, after the raw ore is leached through a hydrochloric acid he