Carbon-Additive Fertilizer Granules for Nutrient Uptake and Dust Control

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Solution Overview

Problem

Existing fertilizers face challenges in enhancing crop yield response, nutrient use efficiency, stress mitigation, soil health, and microbial activity, while also aiming to minimize usage and reduce particle degradation and dust production during handling and storage.

Innovation Solution

Incorporation of a carbon-based additive, such as carbon black acid with functionalized or activated surface, into fertilizer particles to enhance nutrient uptake and soil microbial activity, using methods like wet granulation or compaction to create co-compacted granules with varying inclusion rates.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If conventional fertilizers are used to deliver nutrients to plants, then nutrient delivery is achieved, but crop yield response is limited and fertilizer usage must be increased to compensate

Engineering Contradiction:
Improvecrop yieldVSAvoidfertilizer usage
Core Design Contradiction:
ProductivityVSQuantity of substance

Solution Approach 1:

The patent combines conventional fertilizer materials (NPK) with carbon-based additives to create composite fertilizer granules. This composite structure allows the fertilizer to deliver nutrients while simultaneously improving soil health and nutrient use efficiency, thereby increasing crop yield response without proportionally increasing fertilizer application rates.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The patent modifies the physical and chemical parameters of fertilizer granules by incorporating carbon-based additives that improve particle quality metrics. These parameter changes enhance granule stability, reduce degradation, and improve nutrient release characteristics, leading to better crop yield response from the same fertilizer application.

Inventive Principle:
Principle #35Parameter changes

2Ease of manufacture

If fertilizer granules are produced with standard composition, then manufacturing is straightforward, but particle degradation and dust production occur during storage and handling

Engineering Contradiction:
Improvefertilizer productionVSAvoidparticle quality
Core Design Contradiction:
Ease of manufactureVSStability of the object's composition

Solution Approach 1:

The incorporation of carbon-based additives into fertilizer granules creates a composite structure that binds particles more effectively. This composite composition reduces particle degradation and dust generation during handling and storage while maintaining compatibility with existing manufacturing processes such as granulation and compaction.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The carbon-based additives are incorporated at specific inclusion rates (0.1-5% by weight) to locally enhance the structural properties of fertilizer granules. This localized quality improvement addresses particle degradation issues without requiring fundamental changes to the overall fertilizer composition or manufacturing approach.

Inventive Principle:
Principle #3Local quality

3Productivity

If fertilizer is applied to improve plant growth, then nutrients are delivered, but soil health deteriorates and microbial activity is suppressed

Engineering Contradiction:
Improveplant growthVSAvoidsoil health
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The patent creates composite fertilizers that combine nutrient delivery functions with soil health improvement functions. The carbon-based additives in the composite structure serve dual purposes: they facilitate nutrient delivery to plants while simultaneously improving soil structure, water retention, and microbial activity, thereby maintaining soil health during fertilizer application.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The carbon-based additives provide multiple functions within a single fertilizer product: they act as nutrient carriers, improve granule stability, enhance soil structure, and stimulate microbial activity. This multi-functionality allows the fertilizer to promote plant growth while simultaneously improving soil health, eliminating the trade-off between these two objectives.

Inventive Principle:
Principle #6Universality (Multi-functionality)

4Reliability

If severe weather stress is present in the environment, then plant survival is challenged, but conventional fertilizers do not provide sufficient stress mitigation

Engineering Contradiction:
Improveplant stress toleranceVSAvoidenvironmental resilience
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The composite fertilizer structure with carbon-based additives provides enhanced environmental resilience by improving soil structure and water retention capabilities. This composite formulation helps plants cope with drought, heat, and other severe weather conditions while maintaining nutrient delivery, thereby improving both stress tolerance and environmental adaptability.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The carbon-based additives in the fertilizer granules provide preemptive protection by improving soil structure and water holding capacity before severe weather events occur. This prior cushioning effect helps plants withstand drought and heat stress by ensuring better water availability and root health when environmental conditions deteriorate.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

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 carbon-based additive enhances crop yield, improves nutrient use efficiency, mitigates stress, promotes soil health, and triggers microbial activity, while reducing fertilizer usage and minimizing particle degradation and dust.

Implementation Method 1

The functional groups can react with the macro-, secondary-, and/or micronutrients of the underlying carrier composition

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

can react with nutrients in a soil environment in which its dispersed, or both, to enhance the ability for the nutrients to be taken up by a plant

Methodology Applied
Scientific EffectAdsorption: Adsorption

Data Source

PatentUS20250376425A1Fertilizer composition containing a carbon-based additive and methods of making same
Publication Date: 2025.12.11 MOSAIC CO
  • US20250376425A1 patent drawing
  • US20250376425A1 patent drawing
  • US20250376425A1 patent drawing

AI summary

A macro-nutrient or mineral fertilizer product including a plurality of fertilizer particles, each including a fertilizer carrier, such as an N/P/K fertilizer, that incorporates a carbon-based additive to enhance particle quality. The carbon-based additive can have a functionalized or activated surface, such as a carbon-black acid with carboxyl groups at its surface. The functionalized surface can react with nutrients in a soil environment in which its dispersed, or both, to enhance the ability for the nutrients to be taken up by a plant. In one example, the carbon-based additive is a dry additive, such as powdered or particulates of carbon-black acid that is incorporated into the fertilizer carrier composition.