Method for manufacturing coffee activated carbon using coffee waste, coffee activated carbon manufactured by the same, and dope-dyed yarn including coffee activated carbon
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Solution Overview
Problem
The increasing amount of coffee waste from coffee consumption poses environmental concerns due to landfill contamination and greenhouse gas emissions from incineration, and existing technologies for processing coffee waste into activated carbon are not fully eco-friendly or efficient.
Innovation Solution
A method for manufacturing coffee activated carbon involves carbonizing and activating dried coffee powder particles, followed by grinding, sieving, and drying to achieve a specific particle diameter and BET surface area, which is then integrated into a dope-dyed yarn for odor decomposition and shielding functions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If coffee waste is buried or incinerated, then coffee waste is disposed of, but groundwater contamination or greenhouse gas emissions occur
Solution Approach 1:
The patent converts harmful coffee waste into beneficial activated carbon through carbonization and activation processes. The waste material is transformed into a functional product with adsorption capabilities, turning an environmental problem into a valuable resource for odor decomposition and air purification applications
Solution Approach 2:
The patent recovers value from discarded coffee waste by processing it into activated carbon. Instead of simply disposing of the waste through burial or incineration, the methodology extracts useful properties and transforms it into a functional material that can be applied in textile and air purification industries
2Reliability
If coffee activated carbon is produced with high surface area, then odor decomposition efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The patent optimizes manufacturing parameters including carbonization temperature (500-1000°C), activation temperature (800-1200°C), and treatment time to achieve the desired BET surface area of 1000 m²/g or more. By systematically controlling these parameters, the process achieves high odor decomposition efficiency while maintaining manageable manufacturing complexity through established thermal processing techniques
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 method produces coffee activated carbon with high odor decomposition and shielding efficiency, reducing environmental impact by utilizing coffee waste and preventing air pollution in yarn production, while maintaining cost-effectiveness.
Implementation Method 1
such coffee activated carbon may have excellent odor decomposition efficiency, odor shielding efficiency
Implementation Method 2
performing a main treatment process of carbonizing and activating dried coffee powder particles to produce coffee activated carbon
Implementation Method 3
performing a main treatment process of carbonizing and activating dried coffee powder particles to produce coffee activated carbon
Data Source
AI summary
A method for manufacturing coffee activated carbon includes performing a main treatment process of carbonizing and activating dried coffee powder particles to produce coffee activated carbon, and performing a post-treatment process of grinding, sieving, and drying the coffee activated carbon to select coffee activated carbon having an average particle diameter (D50) of greater than 0 μm to 3 μm or less, coffee activated carbon prepared thereby, and a dope-dyed yarn including the coffee activated carbon.