无机盐工业
主管:中海油天津化工研究设计院有限公司
主办:中海油天津化工研究设计院有限公司
   中海油炼油化工科学研究院(北京)有限公司
   中国化工学会无机酸碱盐专业委员会
ISSN 1006-4990 CN 12-1069/TQ
研究与开发

磷酸二铵包膜缓释肥料的性能研究

  • 毛美琴 ,
  • 龙秉文 ,
  • 邓伏礼 ,
  • 戴亚芬 ,
  • 张逸 ,
  • 余莹 ,
  • 居丽 ,
  • 梁蕾 ,
  • 丁一刚
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  • 武汉工程大学化工与制药学院,绿色化工过程教育部重点实验室,湖北武汉 430073
毛美琴(1994— ),硕士,主要研究方向为磷资源的综合利用;电话:13554152595;E-mail: 827673825@qq.com

收稿日期: 2020-05-10

  网络出版日期: 2020-12-01

Study on properties of DAP coated slow-release fertilizers

  • Meiqin Mao ,
  • Bingwen Long ,
  • Fuli Deng ,
  • Yafen Dai ,
  • Yi Zhang ,
  • Ying Yu ,
  • Li Ju ,
  • Lei Liang ,
  • Yigang Ding
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  • School of Chemical Engineering and Pharmacy,Wuhan Institute of Technolgy,Key Laboratory for Green Chemical Processes of Education Ministry,Wuhan 430073,China

Received date: 2020-05-10

  Online published: 2020-12-01

摘要

以玉米淀粉、聚乙烯醇、二氧化硅(湿法磷酸脱氟制备氟化钾时的副产物)、丙三醇和膨润土为主要原料,以水作为溶剂制备包膜乳液,以高压喷枪将包膜乳液多次雾化对磷酸二铵颗粒(DAP)进行喷涂,成功制备了一种磷酸二铵缓释肥。研究了不同金属离子种类、不同离子浓度对其缓释性的影响;金属离子种类对土壤持水性能的影响;包膜肥料对土壤保水性和持水性能的影响。结果表明:磷酸二铵包膜肥料的缓释性能随金属离子浓度的增加而增加,多价金属阳离子对包膜肥料缓释性能的影响大于单价金属阳离子;土壤的持水性能会受金属离子种类的影响;包膜肥料能提高土壤的保水性能和持水性能。

本文引用格式

毛美琴 , 龙秉文 , 邓伏礼 , 戴亚芬 , 张逸 , 余莹 , 居丽 , 梁蕾 , 丁一刚 . 磷酸二铵包膜缓释肥料的性能研究[J]. 无机盐工业, 2020 , 52(11) : 47 -51 . DOI: 10.11962/1006-4990.2019-0632

Abstract

Taking by-product silica which is from the preparation of potassium fluoride bydefluorination of wet-process phosp-horic acid,corn starch,polyvinyl alcohol,glycerol,bentonite as main materials and water as solvent,the coated emulsion was obtained.Then the atomizing coated emulsion by high pressure spray guns several times on DAP grain was sprayed and a DAP slow release fertilizer was successfully synthesized.The effects of different metal ions and ion concentration on the slow release feature of the fertilizer were studied.The effects of metal ion species on soil water holding performance was studied. The effects of coated fertilizers on soil water retention and water holding performance was also researched.The results showed that the slow release feature of DAP coated fertilizer increased along with the ion concentration,and the effect of polyvalent metal cation on the slow release feature of coated fertilizer was greater than that of monovalent metal cation.Soil water holding performance was affected by metal ion species.It was also found that the coated fertilizer could improve the water retention and water holding performance of soil.

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