Absorbent Article Waste Sorting With Coded Disposal Bags
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Solution Overview
Problem
There is a need for efficient methods to separate used absorbent articles from general waste streams to improve recycling rates and reduce landfill and incineration, as existing systems face challenges in handling these items due to contamination by other waste types.
Innovation Solution
A packaged product containing absorbent articles and a disposal bag with an identifying code or color is provided, allowing users to separate used absorbent articles from other waste, which is then sorted and processed at a facility using sensors to identify and recover the disposal bags.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If used absorbent articles are disposed of in general waste streams, then waste collection infrastructure can handle all waste types, but recycling rates of absorbent articles remain low due to contamination
Solution Approach 1:
The system segments the waste stream by providing separate disposal bags specifically for absorbent articles within the general waste collection infrastructure. Each bag acts as an independent container that keeps absorbent articles separate from other waste types, enabling targeted recycling while maintaining the versatility of the overall waste collection system.
Solution Approach 2:
The disposal bag serves as an intermediary element between the absorbent articles and the general waste stream. The bag with its identifying code acts as a mediator that facilitates the separation and identification of absorbent articles, allowing the waste collection infrastructure to handle diverse waste types while ensuring high-quality recycling of absorbent products.
2Reliability
If separate collection systems are used for absorbent articles, then recycling quality is high, but system complexity and costs increase
Solution Approach 1:
The disposal bag with identifying code serves multiple functions: it contains absorbent articles, provides identification for sorting facilities, and integrates with the existing general waste collection infrastructure. This multi-functionality allows the system to achieve high recycling quality without requiring completely separate collection systems, thereby reducing overall complexity.
Solution Approach 2:
The system enables self-service at the consumer level by providing pre-labeled disposal bags that automatically identify the contents. Consumers simply place used absorbent articles in the provided bags without needing to understand sorting protocols or manage separate collection systems, while the identifying codes on the bags automatically guide the sorting process at facilities.
3Measurement precision
If manual sorting is used at waste facilities, then separation accuracy can be high, but processing time and costs increase
Solution Approach 1:
The system replaces manual mechanical sorting with automated optical or sensor-based detection of identifying codes on disposal bags. This substitution maintains high separation accuracy through precise code recognition while dramatically increasing processing speed and reducing labor requirements at waste sorting facilities.
Solution Approach 2:
The identifying codes are pre-applied to the disposal bags before they reach the waste sorting facility. This preliminary action of pre-marking the bags with identification information eliminates the need for complex real-time identification during sorting, allowing facilities to use simple, fast scanning systems that maintain high accuracy while maximizing processing throughput.
Data Source
AI summary
The present invention relates to a waste sorting process for separating used absorbent articles from a general waste stream, the process comprising the steps of: providing a packaged product comprising an outer package, a plurality of absorbent articles and a first disposal bag, wherein the plurality of absorbent articles and the first disposal bag are contained within the outer package, wherein the first disposal bag is used for disposal of the used absorbent articles into the general waste stream and the first disposal bag is subsequently recovered from the general waste stream for subsequent processing or recycling of the used absorbent articles.