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通过两种不同制造工艺对多磷酸盐肥料进行优化与表征

Optimization and Characterization of Polyphosphate Fertilizers by Two Different Manufacturing Processes.

作者信息

Wang Xuewei, Gao Yanju, Chu Guixin

机构信息

Department of Resources and Environmental Science, College of Agriculture/The Key Laboratory of Oasis Eco-agriculture of the Xinjiang Production and Construction Corps, Shihezi University, Shihezi 832003, P. R. China.

College of Life Science, Shaoxing University, Shaoxing, Zhejiang 312000, China.

出版信息

ACS Omega. 2021 Jul 13;6(29):18811-18822. doi: 10.1021/acsomega.1c01999. eCollection 2021 Jul 27.

DOI:10.1021/acsomega.1c01999
PMID:34337221
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8320069/
Abstract

To explore how different reaction parameters affect the major features of short-chain ammonium polyphosphate (APP) fertilizers, a batch of manufacturing experiments were conducted under two different manufacturing processes [phosphoric acid (PA)-urea and monoammonium phosphate (MAP)-urea]. The APP features including polymerization degree, polymerization rate, solubility, and N and P recovery rates were significantly varied and influenced by the molar ratio of raw materials (P:N), reaction temperature, time, and pressure under different manufacturing conditions. In the MAP-urea process, the optimized APP products were gained under the combination condition of molar ratio = 1.6:1, = 130 °C, and = 45 min, while this happened in molar ratio = 1:1.7, = 180 °C, and = 60 min in the PA-urea process. Comprehensively, the features of APP fertilizers produced by the MAP-urea process were better than those produced by the PA-urea process. Our results provide valuable references for manufacturing high-quality short-chain APP fertilizers.

摘要

为探究不同反应参数如何影响短链聚磷酸铵（APP）肥料的主要特性，在两种不同的制造工艺[磷酸（PA）-尿素和磷酸一铵（MAP）-尿素]下进行了一批制造实验。APP的特性，包括聚合度、聚合速率、溶解度以及氮和磷回收率，在不同制造条件下会因原料的摩尔比（P:N）、反应温度、时间和压力而有显著变化并受到影响。在MAP-尿素工艺中，在摩尔比 = 1.6:1、温度 = 130°C和时间 = 45分钟的组合条件下获得了优化的APP产品，而在PA-尿素工艺中，这发生在摩尔比 = 1:1.7、温度 = 180°C和时间 = 60分钟的情况下。综合来看，MAP-尿素工艺生产的APP肥料特性优于PA-尿素工艺生产的。我们的结果为制造高质量短链APP肥料提供了有价值的参考。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/3ce5a1db717e/ao1c01999_0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/950cc730d98b/ao1c01999_0002.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/8746f045e75d/ao1c01999_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/182c74437ca9/ao1c01999_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/e8171c938bec/ao1c01999_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/3ce5a1db717e/ao1c01999_0010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/950cc730d98b/ao1c01999_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/34065f1c21fd/ao1c01999_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/57d30ccccc78/ao1c01999_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/9e29c66db0e2/ao1c01999_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/1b7009031e95/ao1c01999_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/8746f045e75d/ao1c01999_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/182c74437ca9/ao1c01999_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/e8171c938bec/ao1c01999_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/56cb/8320069/3ce5a1db717e/ao1c01999_0010.jpg

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