Method for extracting and recovering nickel from nickel-containing waste capacitor material and preparing nickel product

• Main Authors: WANG MENGCHENG, HE JIAN, YANG KANG, LIU SIQI, XU YUEBING, HU KEWEI, WANG JINHU, YAO LIWEI, QIN WENQING
• Format: Patent
• Language: Chinese; English
• Published: 20.05.2022
• 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 discloses a method for extracting and recovering nickel from a nickel-containing waste capacitor material and preparing a nickel product. When the nickel product is nickel carbonate, the method comprises the following specific preparation steps: leaching and oxidizing by sulfuric acid...