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[1]刘连坤,罗惠华*,李成秀,等.新型复合棉油脂肪酸捕收剂的制备及其浮选性能[J].武汉工程大学学报,2018,40(04):430-434.[doi:10. 3969/j. issn. 1674?2869. 2018. 04. 016]
 LIU Liankun,LUO Huihua*,LI Chengxiu,et al. Synthesis and Flotation Performance of Novel Cottonseed Oil Fatty Acid Composite as Collophanite Collector[J].Journal of Wuhan Institute of Technology,2018,40(04):430-434.[doi:10. 3969/j. issn. 1674?2869. 2018. 04. 016]
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新型复合棉油脂肪酸捕收剂的制备及其浮选性能(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
40
期数:
2018年04期
页码:
430-434
栏目:
资源与土木工程
出版日期:
2018-08-23

文章信息/Info

Title:

Synthesis and Flotation Performance of Novel Cottonseed Oil Fatty Acid Composite as Collophanite Collector
文章编号:
20180416
作者:
刘连坤12罗惠华*1李成秀3程仁举3刘 星3陈炳炎3

1. 武汉工程大学兴发矿业学院,湖北 武汉 430074;2. 宜都兴发化工有限公司,湖北 宜都 443311;3. 中国地质科学院矿产综合利用研究所,四川 成都 610041
Author(s):
LIU Liankun12LUO Huihua*1LI Chengxiu2CHENG Renju2LIU Xing2CHEN Bingyan2

1. School of Xingfa Minning Engineering,Wuhan Institute of Technology,Wuhan 430074, China;2. Yidu Xingfa Chemical Co.,LTD,Yidu 443311, China;3. Institute of Multipurpose Utilization of Mineral Resources,CAGS,Chengdu 610041, China
关键词:
合成复配脂肪酸类捕收剂正-反浮选胶磷矿
Keywords:
synthesis compounding fatty acid collector direct and reverse flotation collophanite
分类号:
TD952
DOI:
10. 3969/j. issn. 1674?2869. 2018. 04. 016
文献标志码:
A
摘要:

以碘值为135的棉油脂肪酸与苹果酸为原料,合成一种含有多官能团的药剂,皂化后与不同表面活性剂复配,获得的产物做为捕收剂,用于四川清平地区的胶磷矿的浮选分离。试验结果表明,苹果酸与棉油脂肪酸的质量比、反应温度、反应时间对药剂的浮选性能有影响,通过试验确定了苹果酸与棉油脂肪酸的质量比、反应温度、反应时间分别为0.06、100 ℃~110 ℃、45 min,同时在合成药剂中复配不同的表面活性剂对浮选产生不同的效果。以NP-4和OP-4为混合表面活性剂,其复配比分别为6.25%,复配在合成药剂中,获得的捕收剂称为MPON-135,在原矿品位(P2O5)为21.78%、浮选温度为10 ℃的条件下,采用正浮选一粗一精一扫,反浮选一粗一扫的工艺流程,获得了最终磷精矿P2O5品位30.70%,精矿产率62.90%,精矿回收率88.66%浮选指标。通过化学改性及与混合表面活性剂NP-4和OP-4 复配,有效改善了棉油脂肪酸皂的浮选性能。
Abstract:

A multifunctional reagent was synthesized with esterification of cottonseed oil fatty acid (an iodine value of 135) with malic acid followed with saponification and compounding with different surfactants. The obtained reagent was used as a collector of collophanite in Qingping area,Sichuan Province. The results indicated that the mass ratio of malic acid to cottonseed oil fatty acid,reaction temperature and reaction time had impacts on the flotation performance of reagent. These parameters were optimizated as 0.06,100 ℃-110 ℃,45 min,respectively. The addition of various surfactants in synthesized reagent also affected the flotation performance. NP-4 and OP-4 mixed surfactant were optimized at a mass ratio of 6.25%,and the composite collector,namely MPON-135 was used in floatation of collophanite with 21.78% P2O5. By the flotation process composed of one roughing,one cleaning and one scavenging in direct flotation and one roughing and one scavenging in reverse flotation at 10 ℃,the final concentrate was obtained with P2O5 grade of 30.70%,yield of 62.90% and recovery ratio of 88.66%. Therefore,the chemical modification and compounding NP-4 and OP-4 mixed surfactant of cottonseed oil fatty acid soap can effectively improve its flotation performance.

参考文献/References:


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备注/Memo

备注/Memo:

收稿日期:2017-11-23基金项目:湖北省技术创新重大项目(2017ACA187)作者简介:刘连坤,硕士研究生。E-mail:[email protected]*通讯作者:罗惠华,硕士,教授。E-mail:[email protected]引文格式:刘连坤,罗惠华,李成秀,等. 新型复合棉油脂肪酸捕收剂的制备及其浮选性能[J]. 武汉工程大学学报,2018,40(4):430-434.
更新日期/Last Update: 2018-08-16