Abstract
ABSTRACT The phenomenon of desertification has a negative impact on the national economy of any country and may usually be obtained for many reasons such as the removal of agricultural land, depletion of soil, overgrazing, methods of poor irrigation, high temperature, and the lack of rainfall. The following paper tackles solving the problem of the lack of rainfall through the use of chemical methods such as preparing sodium polyacrylate and improving its properties by means of adding bentonite and thus obtaining a new and improved water absorption compound. The study concludes that the suitable range of bentonite ratio that is between (0 - 20 wt %) ensures water absorption from 1340 gg - 1 to 1500gg – 1 and thus the researcher confirms that the cross-linked of the compound will not be changed and the absorption of water will be higher. The presence of bentonite with polymer at a perfect percentage contributes to the reorganization of the distribution of the granular size of the polymer sodium polyacrylate—a matter that is reflected on the growing of its ability to absorb water and thus becoming a suitable compound in the treatment of desertification.
Highlights
The highly absorbent polymer can be defined as a special substance with hydrophilic groups and a minimal tangle
The effect of the quantity of bentonite added to the polysodium acrylate compound is shown in Tables (1), (2) and Figure (1)
We can see that QH2O increases from 1340gg-1 to 1500gg-1, and this occurs when the percentage of the added Bentonite increases (0-20 wt %)
Summary
The highly absorbent polymer can be defined as a special substance with hydrophilic groups and a minimal tangle It is capable of absorbing hundreds of thousands of times from the mass of water and noting the difficulty of removing the absorbed water under pressure—a matter that reflects its excellent specifications. Desertification is the degradation of land in arid, semi-arid, and dry sub-humid areas, resulting in the loss of plant life and biodiversity. This leads to the loss of soils, the loss of land capacity for agricultural production, and the unsupported life of animals as humans as well. Desertification has a significant impact on the country's economic situation, resulting in a loss of up to $ 40 billion a year in agricultural crops and their rising prices [1]
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