Ferroalloy Production from Spent Petroleum Catalysts by Reductive Smelting and Selective Oxidation Processes

被引：9

作者：

Pak, Jong-Jin ^{[1
]}

Kim, Do-Hyeong ^{[1
]}

Paek, Min-Kyu ^{[2
]}

Kim, Yong-Dae ^{[3
]}

机构：

[1] Hanyang Univ, ERICA, Dept Mat Engn, Ansan 426791, South Korea

[2] Aalto Univ, Dept Chem & Met Engn, Kemistintie 1, Espoo 02150, Finland

[3] Golden River Co, Gunsan 54002, South Korea

来源：

REWAS 2019: MANUFACTURING THE CIRCULAR MATERIALS ECONOMY | 2019年

关键词：

Spent catalyst; Reductive smelting; Ferroalloy; Vanadium; Nickel; Molybdenum; LIQUID-IRON; SULFUR; MO;

D O I：

10.1007/978-3-030-10386-6_20

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Solid spent catalysts from the hydroprocessing units of petroleum refining industries contain valuable metals of V, Ni, and Mo in appreciable concentration together with a significant amount of sulfur in an alumina supporting material. A recycling process for this resource has been developed and commercialized by reductive smelting and selective oxidation processes to recover these metals in the form of ferroalloys. The carbon saturated Fe-V-Ni-Mo melt recovered from the reductive smelting was oxidized to separate vanadium into a slag which can be processed for Fe-V alloy production. Then Fe-V and Fe-Ni-Mo alloys were successfully manufactured with high recovery ratios of over 90% and 95%, respectively.

引用

页码：167 / 175

页数：9

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