The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 23, 2026
Filed:
Jun. 29, 2023
PT Qmb New Energy Materials, Jakarta, ID;
PT Esg New Energy Material, Jakarta, ID;
Gem Co., Ltd., Shenzhen, CN;
PT Gem Indonesia New Energy Materials, Jakarta, ID;
Kaihua Xu, Shenzhen, CN;
Satryo Soemantri Brodjonegoro, Jakarta, ID;
Guangyuan Wu, Jakarta, ID;
Tegar Mukti Aji, Jakarta, ID;
Andi Syaputra Hasibuan, Jakarta, ID;
Rizky Wanaldi, Jakarta, ID;
Evan Wahyu Kristiyanto, Jakarta, ID;
Piyan Rahmadi, Jakarta, ID;
PT QMB NEW ENERGY MATERIALS, Jakarta, ID;
PT ESG NEW ENERGY MATERIAL, Jakarta, ID;
GEM CO., LTD., Shenzhen, CN;
PT GEM INDONESIA NEW ENERGY MATERIALS, Jakarta, ID;
Abstract
A comprehensive utilization method for valuable elements in hydrometallurgical slag of laterite nickel ore, comprising the following steps: S1. placing an iron-aluminum slag produced by laterite nickel ore hydrometallurgy in a tube furnace, and introducing an HCl gas stream for a one-stage distillation at 185-290° C. to obtain a one-stage distillation tail gas and a one-stage distillation residue; and condensing the one-stage distillation tail gas to obtain anhydrous AlCl; S2. introducing an HCl gas stream to the one-stage distillation residue for a two-stage distillation at 320-500° C. to obtain a two-stage distillation tail gas and a two-stage distillation residue; and condensing the two-stage distillation tail gas to obtain anhydrous FeCl; S3. subjecting the two-stage distillation residue to a leaching treatment by using a leaching solution to obtain a leaching residue and a leaching solution; subjecting the leaching solution to a scandium precipitation treatment to obtain a scandium precipitate and a de-scandiumed liquid; S4. adjusting the pH value of the de-scandiumed liquid to obtain an MHP. The obtained aluminum, iron, and scandium products have high purity and high recovery.