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[1]朱道鹏,罗惠华*,刘连坤,等.四种有机抑制剂对倍半氧化物的抑制性能[J].武汉工程大学学报,2017,39(03):253-258.[doi:10. 3969/j. issn. 1674?2869. 2017. 03. 009]
 ZHU Daopeng,LUO Huihua*,LIU Liankun,et al.Depressing Performance of Four Organic Depressants on Sesquioxide[J].Journal of Wuhan Institute of Technology,2017,39(03):253-258.[doi:10. 3969/j. issn. 1674?2869. 2017. 03. 009]
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四种有机抑制剂对倍半氧化物的抑制性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
39
期数:
2017年03期
页码:
253-258
栏目:
资源与土木工程
出版日期:
2017-06-24

文章信息/Info

Title:
Depressing Performance of Four Organic Depressants on Sesquioxide
文章编号:
20170309
作者:
朱道鹏1罗惠华1*刘连坤1舒 超1童义隆1曹江洪2
1. 武汉工程大学资源与土木工程学院,湖北 武汉 430074;2. 贵州宏福实业开发有限总公司瓮福磷矿,贵州 福泉 550501
Author(s):
ZHU Daopeng1LUO Huihua1*LIU Liankun1SHU Chao1TONG Yilong1CAO Jianghong2
1. School of Resources and Civil Engineering,Wuhan Institute of Technology,Wuhan 430074,China;2. Wengfu Phosphate Mine,Guizhou Hongfu Industry Development General Company,Fuquan 550501,China
关键词:
正浮选倍半氧化物有机抑制剂抑制性能
Keywords:
direct flotationsesquioxideorganic depressantdepressing performance
分类号:
TD923
DOI:
10. 3969/j. issn. 1674?2869. 2017. 03. 009
文献标志码:
A
摘要:
采用一粗一精正浮选工艺,研究了小分子有机酸(ST-1)、阴离子淀粉(AS)、萘磺酸盐甲醛缩合物(NFSC)、羧甲基纤维素钠(CMC)4种有机抑制剂对胶磷矿中类型为水云母、褐铁矿的倍半氧化物的抑制性能. 结果表明,NFSC用量为0.35 kg/t时,磷精矿品位达到31.36%,回收率在80.22%,倍半氧化物的质量分数降低到3.48%;CMC用量为0.20 kg/t时,磷精矿中倍半氧化物的质量分数可以降至3.20%,但磷精矿回收率仅为26.24%;当分别使用AS、ST-1作为抑制剂时,精矿中倍半氧化物的质量分数变化都不明显. 因此,NFSC在分离倍半氧化物脉石与磷矿物时抑制性能最好;CMC对倍半氧化物脉石有很强的抑制性,但选择性差;ST-1、AS作为抑制剂对倍伴氧化物的抑制作用较弱. 关键词:正浮选;倍半氧化物;有机抑制剂;抑制性能
Abstract:
The performance of four organic depressants, low-molecule organic acid (ST-1),anionic starch (AS),naphthalene sulfonate formaldehyde condensate (NFSC) and sodium carboxymethyl cellulose (CMC) were explored on sesquioxide (hydromica and pyrite) in a collophanite by using roughing-cleaning direct flotation method. The results show that the grade and recovery of phosphate concentrate are 31.36% and 80.22% respectively,and the mass fraction of sesquioxide reduces to 3.48% at 0.35 kg/t of NFSC. The recovery of phosphate concentrate is only 26.24%,and the mass fraction of sesquioxide reduces to 3.20% at 0.20 kg/t of CMC. The AS and ST-1 have not significant effect on the mass fraction of sesquioxide in phosphate concentrate. In conclusion,NFSC has the best depressing performance in separating collophanite and sesquioxide gangue mineral. CMC has a strong depressing on sesquioxide gangue mineral,but it shows poor selectivity. ST-1 and AS have poor depressing in sesquioxide gangue mineral.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2016-04-29作者简介:朱道鹏,硕士研究生. E-mail:362912549@qq.com *通讯作者:罗惠华,硕士,教授. E-mail: luohh68@sina.cn
更新日期/Last Update: 2017-06-23