Renewable Feedstock Carbon Black With Conventional-Grade Properties
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Solution Overview
Problem
The production of carbon black using fossil raw materials is environmentally unsustainable due to depletion of resources and high environmental impact, necessitating the development of a process that uses renewable feedstocks while maintaining comparable properties to conventional carbon blacks.
Innovation Solution
A process for producing carbon black through thermal oxidative pyrolysis or thermal cleavage of a carbon black feedstock comprising renewable carbon black feedstock and rubber-derived pyrolysis oil, specifically tire-derived pyrolysis oil, to achieve properties comparable to conventional carbon blacks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fossil raw materials are used for carbon black production, then established production processes and properties are maintained, but environmental sustainability deteriorates due to resource depletion and high environmental impact
Solution Approach 1:
The invention changes the fundamental parameter of feedstock origin from fossil-based to renewable-based (plant oils, fats, or sugars), while adjusting process parameters (temperature, pressure, catalysts) to ensure the carbon black produced maintains comparable properties to conventional fossil-based carbon black
Solution Approach 2:
The invention uses renewable feedstocks that can be continuously replenished (short-living in the sense of rapid regeneration cycles like plant growth)替代有限的化石原料, creating a sustainable supply chain that reduces environmental harm while maintaining production reliability
2Object-affected harmful factors
If renewable carbon black feedstocks are used, then environmental sustainability improves, but carbon black properties become challenging to maintain at comparable levels to conventional carbon blacks
Solution Approach 1:
The invention introduces intermediaries (catalysts, process additives, or intermediate chemical compounds) that facilitate the conversion of renewable feedstocks into carbon black with desired properties, bridging the gap between renewable feedstock and conventional carbon black quality
Solution Approach 2:
The invention systematically adjusts process parameters (temperature, pressure, residence time, catalyst composition) to optimize the pyrolysis or decomposition of renewable feedstocks, ensuring the resulting carbon black achieves target properties such as particle size, surface area, and structural characteristics comparable to conventional carbon blacks
3Loss of energy
If renewable feedstocks are used for carbon black production, then CO2 balance improves through carbon dioxide neutrality, but production costs and process complexity may increase
Solution Approach 1:
The invention leverages the natural carbon cycle where plants absorb CO2 during growth, making the feedstock production self-balancing in terms of CO2 emissions, thereby achieving carbon dioxide neutrality without requiring additional complex carbon capture or offset systems
Solution Approach 2:
The invention uses versatile renewable feedstocks (plant oils, fats, or sugars) that can serve multiple purposes (fuel, chemical feedstock, carbon black precursor) and can be processed through adapted existing pyrolysis or decomposition infrastructure, reducing the need for entirely new specialized facilities
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 process enables the production of carbon black with properties comparable to conventional carbon blacks, contributing to a circular economy by utilizing renewable feedstocks and reducing environmental impact.
Implementation Method 1
thermal oxidative pyrolysis or thermal cleavage of a carbon black feedstock
Implementation Method 2
thermal oxidative pyrolysis or thermal cleavage of a carbon black feedstock
Data Source
AI summary
The present invention relates to a process for producing carbon black and to carbon black obtained by such process as well as use of such carbon black. The present invention further relates to compositions comprising such carbon black and uses of such compositions.