厌氧消化过程中植物消化液中常量营养离子浓度的变化

Journal of Residuals Science & Technology Pub Date : 2016-01-01 DOI:10.12783/ISSN.1544-8053/13/3/4

K. Takemura, R. Endo, T. Shibuya, Y. Kitaya

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引用次数: 5

摘要

本研究的目的是建立一个将厌氧消化过程中的消化液转化为无土栽培的液体肥料的系统。以模拟城市有机垃圾的消化液为原料，研究了硝化过程中植物常量营养离子浓度的变化。硝化消化液中磷酸盐、钙离子浓度升高;增加率分别为15.3 mg l - 1d - 1和17.6 mg l - 1d - 1。此外，除镁外，硝化消化液中的常量营养离子浓度与通常用于无土培养的标准营养液中的浓度相似。

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Modifications of Concentrations of Plant Macronutrient Ions in Digestate from Anaerobic Digestion during Nitrification Processes

The goal of this study was to establish a system for converting digestate from anaerobic digestion processes into liquid fertilizer for soilless culture. Modifications of concentrations of plant macronutrient ions during nitrification processes were investigated with digestate from a simulated municipal organic waste. Concentrations of phosphate and calcium ions in the nitrified digestate increased; the rates of increase were 15.3 mg L–1 d–1 and 17.6 mg L–1 d–1, respectively. Moreover, concentrations of macronutrient ions, except for magnesium, in the nitrified digestate were similar to those in a standard nutrient solution that is commonly applied to soilless culture.

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来源期刊

Journal of Residuals Science & Technology 环境科学-工程：环境

自引率

0.00%

发文量

审稿时长

>36 weeks

期刊介绍： The international Journal of Residuals Science & Technology (JRST) is a blind-refereed quarterly devoted to conscientious analysis and commentary regarding significant environmental sciences-oriented research and technical management of residuals in the environment. The journal provides a forum for scientific investigations addressing contamination within environmental media of air, water, soil, and biota and also offers studies exploring source, fate, transport, and ecological effects of environmental contamination.