矿产综合利用Issue(6)：176-183,8.DOI:10.3969/j.issn.1000-6532.2023.06.027
废轮胎热裂解炭黑浮选降灰
Flotation of Pyrolysis Carbon Black from Waste Tires
摘要
Abstract
This is an essay in the field of mineral processing engineering.The flotation method is applied to reduce ash content and purify pyrolysis carbon black from waste tires in this study.The effect of different operating factors on carbon black flotation was explored,and the phase and morphology of different flotation products were measured by various characterization methods.Results show that 62.32%yield of clean carbon black and 17.29%ash content for flotation concentrate were obtained,and 37.68%yield of flotation tailing and 23.32%ash content were obtained as well under the optimal flotation conditions were of 20 g/L of concentration,500 g/t of collector,1500 g/t of foaming agent,9 min of froth skimming time and 0.25 m3/h of aeration amount,and the removal rate of quartz is 75.49%and the removal rate of calcium carbonate is 66.23%.Minerals including quartz and calcite were effectively removed by flotation,The amount of aeration had more significant impact on the test.This study indicates that flotation can be well used for reducing ash content of pyrolysis carbon black from waste tires which is proved to be an effective ash reduction pretreatment method.关键词
矿物加工工程/废弃轮胎/热裂解炭黑/浮选/降灰提纯Key words
Mineral processing engineering/Waste tires/Pyrolysis carbon black/Flotation/Ash reduction and purification分类
矿业与冶金引用本文复制引用
力涛,王帅,陈王洋,姜海迪,付元鹏..废轮胎热裂解炭黑浮选降灰[J].矿产综合利用,2023,(6):176-183,8.基金项目
国家自然科学基金(51904295) （51904295）
中央高校基本科研业务费专项资金(2019QNA21) （2019QNA21）
中国矿业大学实验技术研究与开发项目(S2021Y009) （S2021Y009）
