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[1]侯翠红,许秀成,苗俊艳,等.中国磷资源的分级可持续开发利用[J].武汉工程大学学报,2017,39(06):629-632.[doi:10. 3969/j. issn. 1674?2869. 2017. 06. 018]
 HOU Cuihong,XU Xiucheng,MIAO Junyan,et al.Sustainable Utilization of Various Grades of Phosphorus Resources in China[J].Journal of Wuhan Institute of Technology,2017,39(06):629-632.[doi:10. 3969/j. issn. 1674?2869. 2017. 06. 018]
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中国磷资源的分级可持续开发利用(/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06期
页码:
629-632
栏目:
化学与化学工程
出版日期:
2017-12-30

文章信息/Info

Title:
Sustainable Utilization of Various Grades of Phosphorus Resources in China
文章编号:
20170618
作者:
侯翠红1许秀成1苗俊艳1王好斌1李英翔2
1. 郑州大学化工与能源学院,河南 郑州 450001;2. 云天化股份有限公司,云南 昆明 650000
Author(s):
HOU Cuihong1 XU Xiucheng1MIAO Junyan1WANG Haobin1 LI Yingxiang2
1. School of Chemical Engineering and Energy, Zhengzhou University, Zhengzhou 450001, China;2. Yunnan Yuntianhua Co., LTD, Kunming 650000, China
关键词:
磷资源可持续利用磷矿郑州大学-云天化
Keywords:
phosphorus resource sustainable utilization phosphate rock Zhengzhou University-Yuntianhua
分类号:
TQ444.2
DOI:
10. 3969/j. issn. 1674?2869. 2017. 06. 018
文献标志码:
A
摘要:
我国磷矿石平均含P2O5 18%,其中中低品位磷矿占总储量的一半,且近2/3属于难选矿,而易选矿的磷灰石平均品位含P2O5 6.7%,矿石量占总储量的18.52%,因此每选出1 t含P2O5 30%的高品位磷矿,将产生4 t 以上的尾矿. 为延长磷矿使用寿命,郑州大学联合云天化集团开发了“郑州大学-云天化”磷资源可持续利用模式,其实质是采用不同的途径充分利用各种品级的磷矿,如通过选矿富集为含P2O5 30%的商品磷矿,主要供给生产磷铵、磷酸;P2O5 27%的磷矿用于无磷石膏排放的脲硫酸复肥的生产; P2O5 14%~24%的磷矿可生产碱性熔融钙镁磷肥;磷矿顶板含钾页岩用于生产熔融磷钾肥;二次选矿得到的P2O5 27%的磷矿用于生产过磷酸钙;二次尾矿可进一步加工成土壤调理剂;精制磷酸过程中的萃余酸用于生产包裹型缓释肥料等,有望使中国磷资源使用年限大大延长.
Abstract:
The average grade of phosphate ore in China is 18% of P2O5, but the medium and the low grade phosphate rock occupy a half of the total reserves. Nearly two thirds of the phosphate rock is difficult to mine, meanwhile the content of easily mining apatite ore accounts for 18.52% of the total reserves with the average grade of 6.7%. Therefore, selecting 1 ton of high grade phosphate rock containing 30% of P2O5 will produce more than 4 tons tailings. To prolong the service life of phosphate rock, Zhengzhou university and Yuntianhua group developed a sustainable utilization mode for phosphorus resources,namely “Zhengzhou University-Yuntianhua”, which made full use of various grades of phosphate rock in different ways, including using the commercial phosphate rock containing 30% of P2O5 after beneficiation to produce ammonium phosphate and phosphoric acid, using the phosphate ore containing 27% of P2O5 to produce urea sulfuric acid compound fertilizer directly by a new clean process with no phosphor-gypsum discharged, using the phosphate rock containing 14%-24% of P2O5 to produce multi-nutritious alkaline fused magnesium phosphate, using the phosphate ore roof containing potassium shale to produce fused phosphate and potash fertilizer, using the phosphate ore containing 27% of P2O5 after two flotations to produce superphosphate, using the secondary phosphate tailings to produce soil conditioners, and using the residue acid in refined phosphoric acid production to produce coated slow-release fertilizer.

参考文献/References:

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相似文献/References:

[1]李耀基.云南磷矿选矿研究与实践[J].武汉工程大学学报,2011,(02):12.[doi:10.3969/j.issn.16742869.2011.02.003]
 LI Yao ji.Research and practice in phosphate beneficiation in Yunnan province[J].Journal of Wuhan Institute of Technology,2011,(06):12.[doi:10.3969/j.issn.16742869.2011.02.003]

备注/Memo

备注/Memo:
收稿日期:2017-04-04 基金项目:“十三五”国家重点研发计划项目(2016YFD0200401)作者简介:侯翠红,博士,教授. E-mail:[email protected] 引文格式:侯翠红,许秀成,苗俊艳,等. 中国磷资源的分级可持续开发利用[J]. 武汉工程大学学报,2017,39(6):629-632. HOU C H, XU X C,MIAO J Y,et al. Sustainable utilization of various grades of phosphorus resources in China [J]. Journal of Wuhan Institute of Technology,2017,39(6):629-632.
更新日期/Last Update: 2018-01-04