一种从还原焙烧深海锰结核水浸提取锰的方法
By using a reduction roasting and water leaching method with a mixed flux of ammonium sulfate and ammonium acetate or ammonium propionate in deep-sea manganese nodules, the problem of low manganese extraction efficiency in deep-sea manganese nodules has been solved, realizing an efficient, low-energy-consumption, and environmentally friendly manganese extraction process to obtain high-purity manganese products.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-17
- Publication Date
- 2026-07-17
AI Technical Summary
Existing technologies are insufficient for efficiently extracting manganese from deep-sea manganese nodules, and conventional methods are energy-intensive, costly, and environmentally damaging, making them unsuitable for industrial applications.
A mixed flux of 70% ammonium sulfate and 30% ammonium acetate or ammonium propionate is used for reduction roasting under inert gas protection. High-valence manganese is reduced to low-valence manganese through low-temperature roasting, and manganese is extracted by sulfation reaction. Impurities are separated by water leaching to obtain high-purity manganese sulfate or manganese tetroxide.
It achieves efficient extraction of manganese from deep-sea manganese nodules with a recovery rate of over 98%, significantly reduces energy consumption, extends equipment life, is environmentally friendly, effectively removes impurities, and achieves high purity.
Abstract
Citation Information
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