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Updated: May 20, 2025

Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method
08:21

Optimized Procedure for Determining the Adsorption of Phosphonates onto Granular Ferric Hydroxide using a Miniaturized Phosphorus Determination Method

Published on: May 18, 2018

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从废水到肥料:利用颗粒化铁氧化-蒙莫里隆石复合物回收和再利用

Hasan E Ganem1, Keren Cohen1, Ofir Gildor1

  • 1Faculty of Civil and Environmental Engineering, Technion - Israel Institute of Technology, Haifa, Israel.

The Science of the total environment
|May 9, 2025
PubMed
概括

这项研究开发了蒙莫里隆铁氧化复合材料 (FeOx-MMT) 来从废水中回收. 回收的,当用作肥料时,有效地支持作物生长,促进可持续农业和资源管理.

关键词:
基于粘土的肥料是基于粘土的肥料.柱子过器的过方法在FeOx-MMT中使用.颗粒化 颗粒化 颗粒化酸盐吸附方式的回收利用 的回收利用

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The Phosphorus Cycle01:21

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Unlike carbon, water, and nitrogen, phosphorus is not present in the atmosphere as a gas. Instead, most phosphorus in the ecosystem exists as compounds, such as phosphate ions (PO43-), found in soil, water, sediment and rocks. Phosphorus is often a limiting nutrient (i.e., in short supply). Consequently, phosphorus is added to most agricultural fertilizers, which can cause environmental problems related to runoff in aquatic ecosystems.
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The porosity of concrete is a measure of the void spaces within its structure. These spaces impact its strength and durability significantly. When water and cement interact, a chemical reaction called hydration creates a semi-solid paste. This paste includes combined water, making up approximately 23% of the cement's dry mass, and gel water, which fills minuscule voids known as gel pores, accounting for about 28% of the cement gel volume.
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