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요약정보
失活硫酸催化剂资源化利用研究进展 / RESEARCH PROGRESS ON RESOURCE UTILIZATION OF DEACTIVATED SULFURIC ACID CATALYST
Resource Type
Academic Journal
Authors
陈炳旭
;
杜浩
;
李兰杰
;
王少娜
;
刘彪
;
李昊男
;
祁健
;
周冰晶
;
Chen Bingxu
;
Du Hao
;
Li Lanjie
;
Wang Shaona
;
Liu Biao
;
Li Haonan
;
Qi Jian
;
Zhou Bingjing
Source
河北冶金 / Hebei Metallurgy
. (10):1-20
Subject
失活硫酸催化剂
提钒
直接碱浸法
直接酸浸法
溶液萃取法
分离
Language
Chinese
ISSN
1006-5008
Online Access
Find it @ DONGA
초록
中国是最大的硫酸生产国,每年产生8000~10000 t的失活硫酸催化剂,其中含V2 O5约5% ~10%,是重要的含钒二次资源.含钒二次资源是美国等发达国家的首选提钒原料,全球12%的钒产品从中提取,而我国对于含钒二次资源的回收利用尚处于起步阶段.本文对失活硫酸催化剂的失活原因、成分等基本特征进行了总结,对具有代表性的失活硫酸催化剂直接碱浸提钒工艺、直接酸浸提钒工艺进行了分析、比较.酸浸工艺具有效率高、成本低等显著优势,但选择性低,需要进行Fe、Ni、As、K、Na、S多元素分离;碱浸工艺选择性高,但高碱度废水的处理、焦硫酸钾的回收仍然是难题.直接酸浸-溶剂萃取法被认为是失活硫酸催化剂资源化利用的一种有前景的方法,可实现高金属回收率、高产品纯度,避免二次污染.
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