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Benchmarking The Humidity-dependent Mechanical Response Of (nano)fibrillated Cellulose And Dissolved Polysaccharides As Sustainable Sand Amendments.

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Benchmarking The Humidity-dependent Mechanical Response Of (nano)fibrillated Cellulose And Dissolved Polysaccharides As Sustainable Sand Amendments.

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Published on: June 17, 2014

Benchmarking the Humidity-Dependent Mechanical Response of (Nano)fibrillated Cellulose and Dissolved Polysaccharides

M-Haidar A Dali^1,2, Roozbeh Abidnejad³, Mohamed Hamid Salim^1,2,4

¹Department of Chemical Engineering, Khalifa University, Abu Dhabi, United Arab Emirates.

Biomacromolecules

|March 8, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

Incorporating plant-based polymers like cellulose into arid soils improves their structure and water retention, crucial for agriculture. This study benchmarks sustainable organic amendments for enhancing desert soil quality.

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Highly Stable, Functional Hairy Nanoparticles and Biopolymers from Wood Fibers: Towards Sustainable Nanotechnology

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Area of Science:

Soil Science
Materials Science
Polymer Science

Background:

Arid soils face limitations in food production due to poor soil mechanics and low water retention.
Soil organic carbon is vital for nutrient transport, soil structure, erosion control, and carbon sequestration, but is scarce in arid environments.

Purpose of the Study:

To evaluate the benefits of incorporating cellulosic and other polysaccharide-based amendments into inert sand.
To develop a methodology for creating and assessing sand-polymer composites for arid soil improvement.

Main Methods:

Incorporation of various non-food polysaccharide amendments (pulp fibers, nanocellulose, chitosan, pectin) into sand.
Evaluation of sand-polymer composite mechanics under varying humidity and water dynamics.

Analysis of polymer network formation using electron microscopy and correlation with soil properties.

Main Results:

Polysaccharide amendments significantly alter the mechanical properties and water response of sandy soils.
The formed polymer network structure directly influences soil mechanics.
Physicochemical properties of individual polysaccharides and network features dictate water interaction.

Conclusions:

Sustainable organic amendments, particularly cellulosic networks, can enhance the quality of arid soils.
The study provides a reproducible method for benchmarking soil amendments for arid land agriculture.
This research offers potential solutions for improving soil health and food security in arid regions.