Biocarbon Blend Composition for Fixed Carbon and Reactivity Balance

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Solution Overview

Problem

Existing biocarbon compositions and production processes are inefficient, energy-intensive, and environmentally polluting, lacking optimization in stability, reactivity, hydrophobicity, energy content, yield, and final composition, including fixed carbon, ash, and moisture content.

Innovation Solution

Biocarbon compositions comprising a blend of low and high fixed carbon materials with optional additives, optimized for specific properties such as stability, reactivity, and energy content, produced through controlled pyrolysis and blending processes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If traditional charcoal-making technologies are used, then biocarbon can be produced, but energy efficiency is poor and environmental pollution is high

Engineering Contradiction:

Improveenergy efficiencyVSAvoidenvironmental pollution

Core Design Contradiction:

Loss of energyVSObject-generated harmful factors

Solution Approach 1:

The patent applies parameter changes by controlling pyrolysis temperature (200-800°C), residence time (0.1-10 seconds), and atmosphere composition to optimize energy efficiency and reduce pollution. By adjusting these parameters, the process achieves higher energy recovery while minimizing harmful emissions compared to traditional charcoal-making methods

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The patent implements feedback control through monitoring of pyrolysis conditions and adjusting process parameters in real-time to maximize energy efficiency and minimize environmental harm, allowing the system to learn from process outcomes and optimize performance

Inventive Principle:

Principle #23Feedback

2Stability of the object's composition

If biocarbon composition is optimized for stability, then storage safety improves, but reactivity for energy production may be reduced

Engineering Contradiction:

Improvestorage stabilityVSAvoidreactivity for energy production

Core Design Contradiction:

Stability of the object's compositionVSReliability

Solution Approach 1:

The patent applies local quality by creating biocarbon compositions with spatially varying properties - the physical form (pellets vs. powder) and chemical composition are optimized differently for different functions. Pelletized biocarbon provides stability for storage and transport, while powdered forms maintain reactivity for energy production, allowing each form to be optimized for its specific purpose

Inventive Principle:

Principle #3Local quality

3Quantity of substance

If pyrolysis temperature is increased, then fixed carbon content improves, but energy consumption increases

Engineering Contradiction:

Improvefixed carbon contentVSAvoidpyrolysis energy consumption

Core Design Contradiction:

Quantity of substanceVSUse of energy by moving object

Solution Approach 1:

The patent applies periodic action through staged pyrolysis processes where material is heated to different temperature zones sequentially - lower temperatures (200-400°C) for initial carbonization, followed by moderate temperatures (400-600°C) for carbon enhancement. This periodic temperature variation achieves high fixed carbon content while reducing total energy consumption compared to continuous high-temperature processing

Inventive Principle:

Principle #19Periodic action

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 optimized biocarbon compositions exhibit enhanced stability, reduced reactivity, improved energy content, and optimized composition, addressing inefficiencies and environmental impacts of traditional methods.

Implementation Method 1

Pyrolysis is a process for thermal conversion of solid materials in the complete absence of oxidizing agent (air or oxygen), or with such limited supply that oxidation does not occur to any appreciable extent

Methodology Applied

Scientific EffectPyrolysis: Pyrolysis

Data Source

PatentUS20250388814A1Biocarbon blends with optimized fixed carbon content, and methods for making and using the same

Publication Date: 2025.12.25 CARBON TECHNOLOGY HOLDINGS LLC

AI summary

In some variations, the disclosed technology provides a biocarbon composition comprising a low-fixed-carbon material with a fixed-carbon concentration from 20 wt % to 55 wt %; a high-fixed-carbon material with a fixed-carbon concentration from 50 wt % to 100 wt % (and higher than the fixed-carbon concentration of the low-fixed-carbon material); from 0 to 30 wt % moisture; from 0 to 15 wt % ash; and from 0 to 20 wt % of one or more additives (such as a binder). Some variations provide a process for producing a biocarbon composition, the process comprising: pyrolyzing a first biomass-containing feedstock to generate a low-fixed-carbon material; separately pyrolyzing a second biomass-containing feedstock to generate a high-fixed-carbon material; blending the low-fixed-carbon material with the high-fixed-carbon material, thereby generating an intermediate material; optionally, blending additives into the intermediate material; optionally, drying the intermediate material; and recovering a biocarbon composition containing the intermediate material or a thermally treated form thereof.