Method of utilization of the spent vanadium catalyst

被引：7

作者：

Mazurek, Krzysztof ^{[1
]}

Grzesiak, Piotr ^{[2
]}

Druzynski, Sebastian ^{[1
]}

Kielkowska, Urszula ^{[1
]}

Wrobel, Adriana ^{[1
]}

Szalla, Aleksandra ^{[1
]}

机构：

[1] Nicolaus Copernicus Univ Torun, Fac Chem, Ul Gagarina 7, PL-87100 Torun, Poland

[2] Natl Res Inst, Inst Plant Protect, Ul Wiadyslawa Wegorka 20, PL-60318 Poznan, Poland

来源：

POLISH JOURNAL OF CHEMICAL TECHNOLOGY | 2018年 / 20卷 / 03期

关键词：

potassium hydroxide; spent vanadium catalysts; leaching; recovery; ion exchange; vanadium; copper; zinc; arsenic; lead; Amberlite (R) IRA958; Dowex (R) 1X2; RECOVERY; EXTRACTION; MOLYBDENUM; OXIDATION; SO2;

D O I：

10.2478/pjct-2018-0031

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A spent vanadium catalyst, from the plant of metallurgical type, was leached in a potassium hydroxide solution to recover vanadium. The effect of time, temperature, concentration of basic, catalyst particle size and phase ratio was studied. The results showed that for a 160-750 mu m catalyst leached for 4 h at 313.15 K in the presence of 10% potassium hydroxide solution at a liquid: solid ratio of 20:1, the extent of leaching of V was about 87%. Additionally, separation of vanadium from such a solution was investigated by the ion exchange method. Two types of polymer strongly basic ion exchangers were used. The ion exchange tests indicate that vanadium were loaded from the post-leaching solution with high efficiency. On this basis a flowsheet for the proposed process of a complex utilization of the spent vanadium catalyst is presented.

引用

页码：1 / 7

页数：7

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