|本期目录/Table of Contents|

[1]钟锦棒,程清蓉*,周 红,等. 花岗岩中石英多次反浮选分离探索试验 [J].武汉工程大学学报,2026,48(02):133-139.[doi:10.19843/j.cnki.CN42-1779/TQ.202303036]
　ZHONG Jinbang,CHENG Qingrong*,ZHOU Hong,et al.Separation of quartz from granite via multiple reverse flotations [J].Journal of Wuhan Institute of Technology,2026,48(02):133-139.[doi:10.19843/j.cnki.CN42-1779/TQ.202303036]
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花岗岩中石英多次反浮选分离探索试验
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
48
期数:
2026年02期
页码:
133-139
栏目:
现代大化工
出版日期:
2026-04-30

文章信息/Info

Title:
Separation of quartz from granite via multiple reverse flotations
文章编号:
1674 - 2869（2026）02 - 0133 - 07
作者:
钟锦棒; 程清蓉*; 周 红; 潘志权
武汉工程大学化学与环境工程学院，湖北 武汉 430205
Author(s):
ZHONG Jinbang;  CHENG Qingrong*;  ZHOU Hong;  PAN Zhiquan
School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205, China
关键词:
花岗岩矿; 反浮选; 分子自组装; 石英
Keywords:
granite ore;  ?reverse flotation;  molecular self-assembly;  quartz
分类号:
TD923
DOI:
10.19843/j.cnki.CN42-1779/TQ.202303036
文献标志码:
A
摘要:
要：湖北某地磁选后花岗岩矿物的主要成分含量为：石英30.22%、钾长石28.59%、钠长石39.14%、其他矿物2.05%。采用十二胺与草酸混合液GDDA、油酸钠NaOL为捕收剂，航空煤油MY辅助下的分子自组装浮选体系，探讨了药剂与矿物作用后zeta电位的变化、矿物团聚情况，通过响应面优化得到最佳浮选条件。结果表明，煤油的选择团聚作用使得石英和长石得以有效分离，石英长石分离最佳条件为：在矿浆pH为3时，GDDA用量700 g/t、NaOL用量20 g/t、MY用量24 L/t，在该条件下长石和石英分离率可达85.18%。实际矿物经优化的一粗二精反浮选工艺处理后，可获得相对回收率92.26%，SiO2含量99.32%的石英精矿。
Abstract:
After magnetic separation，the main mineral composition of granite ore from a location in Hubei Province was determined as follows: quartz 30.22%, potassium feldspar 28.59%, albite 39.14%, and other minerals 2.05%. A molecular self-assembly flotation system was established using a mixture of dodecylamine and oxalic acid (GDDA) as the collector, sodium oleate (NaOL) as the auxiliary collector, and aviation kerosene (MY) as the agglomeration promoter. The variations in zeta potential and mineral agglomeration behavior due to reagent-mineral interactions were investigated, and the optimal flotation conditions were determined through response surface methodology. Results indicated that the selective agglomeration effect of kerosene effectively facilitated the separation of quartz from feldspar. Optimum separation conditions were achieved at a pulp pH of 3, with a GDDA dosage of 700 g/t, NaOL dosage of 20 g/t, and MY dosage of 24 L/t, under which the separation efficiency of quartz and feldspar reached 85.18%. After processing the actual ore through a reverse flotation flowsheet consisting of one roughing and two cleaning stages, a quartz concentrate with a relative recovery of 92.26% and SiO2 content of 99.32% was achieved.

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备注/Memo

备注/Memo:
收稿日期：2023-03-31
基金项目：武汉工程大学研究生教育创新基金（CX2022414）
作者简介：钟锦棒，硕士研究生。Email：56704737@qq.com
*通信作者：程清蓉，博士，教授。Email：chengqr383121@sina.com
更新日期/Last Update: 2026-05-07