Soil Additive with Sulfonic Acid Copolymers for Saline Water Retention
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Solution Overview
Problem
Existing soil conditioning agents fail to maintain high water absorption capacity, especially when exposed to saline solutions, and can cause clumping or negative effects on plant growth, while also not effectively addressing the water retention needs in arid soils.
Innovation Solution
A soil additive comprising a rock powder mixture, an absorber product, a swelling substance, a binder (glycerin), and optional microbiological supplements, which allows for efficient moisture storage and release, preventing clumping and maintaining absorption capacity over time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If copolymers are added to increase water retention capacity, then water storage capacity is improved, but absorption capacity drops sharply when salt-containing solutions are used
Solution Approach 1:
The invention changes the chemical parameters of the polymer by introducing sulfonic acid groups instead of or in addition to carboxyl groups in the copolymer structure. This parameter change in functional groups allows the material to maintain high absorption capacity with salt-containing solutions while preserving water storage capacity, resolving the contradiction between water retention and saline water absorption
Solution Approach 2:
The invention uses composite copolymer materials combining acrylamide with acrylic acid salts and sulfonic acid groups. This composite structure leverages the synergistic effects of different functional groups to achieve both high water storage capacity and maintained absorption capacity in saline conditions
2Quantity of substance
If soil conditioning agents are used to increase water retention, then water storage is improved, but clumping occurs and plant growth is negatively influenced
Solution Approach 1:
The invention changes the chemical composition parameters by using specific copolymer ratios and introducing sulfonic acid groups, which modify the surface properties and electrostatic characteristics of the soil additive. This prevents clumping by reducing unwanted aggregation while maintaining water retention benefits
Solution Approach 2:
The invention applies local quality by ensuring uniform distribution of the copolymer components at the molecular level, creating consistent local properties throughout the soil additive that prevent clumping while maintaining water retention capacity in contact with plant roots
3Quantity of substance
If absorber products are added to sandy soils, then water storage capacity is improved, but absorption capacity drops irreversibly after saline water irrigation
Solution Approach 1:
The invention changes the chemical parameter of the absorber by incorporating sulfonic acid groups with higher ion exchange capacity and salt tolerance. This parameter change makes the absorption capacity stable and reversible even after exposure to saline water, preventing irreversible degradation
Solution Approach 2:
The invention allows the copolymer to quickly exchange ions with saline water without permanent structural damage, enabling rapid recovery of absorption capacity between irrigation cycles and maintaining stable performance over time
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The soil additive achieves excellent water storage and release, maintains nutrient availability, and prevents clumping, ensuring balanced water and air supply to roots, even with changing electrolyte concentrations, promoting healthy plant growth and ecological balance.
Implementation Method 1
a water-soluble fertilizer, in particular a liquid fertilizer, can be applied and stored in the soil additive
Implementation Method 2
The present composition of the soil additive (composite product) ensures that the effects, such as uniform moisture storage and release
Implementation Method 3
an absorber product, a swelling substance, a binder and lubricant
Implementation Method 4
the binder and lubricant is glycerin and the components of the soil additive can therefore be compacted
Implementation Method 5
a binder and lubricant, optionally a fertilizer
Data Source
AI summary
The invention relates to a soil additive for storing fluids, particularly water, comprising at least one carrier material, absorber product, swelling agent, binding and lubricating agents, and optionally a fertilizer, supplements, particularly of microbiological or mycotic origin, and crop protecting products.