Reusable Separation Column with Automated Resin Exchange
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Solution Overview
Problem
The existing methods for sample analysis in ICP spectrometry face challenges with resin contamination, leading to inaccurate results and increased costs due to the need for frequent column replacement, which also poses environmental and safety risks.
Innovation Solution
A system and method for automatically packing and unpacking resin from a reusable separation column using a pump system and a controller to manage fluid flow paths, including a slurry loop for resin introduction and a cross-flow jet for agitation and removal, ensuring complete resin exchange and minimizing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If resin is frequently replaced in sample separation columns to avoid contamination, then measurement precision is improved, but loss of substance increases and cost increases
Solution Approach 1:
The patent implements a resin recovery system where used resin is collected from the sample separation column, regenerated through chemical treatment, and reused. This resolves the contradiction by recovering the resin substance that would otherwise be discarded, reducing waste while maintaining measurement precision through regenerative cleaning processes
Solution Approach 2:
The system employs automated resin regeneration capabilities where the resin is cleaned and regenerated in-place or during exchange operations without requiring complete manual replacement. This self-service approach maintains analytical precision while minimizing resin loss through efficient reuse cycles
2Measurement precision
If resin is frequently replaced in sample separation columns to avoid contamination, then measurement precision is improved, but loss of time increases
Solution Approach 1:
The system performs preliminary resin regeneration and preparation operations before they are needed, maintaining ready-to-use resin in pre-treated states. This preliminary action reduces the time required during actual column replacement operations while ensuring measurement precision through pre-validated resin quality
Solution Approach 2:
By implementing rapid resin recovery and regeneration systems, the patent minimizes the time resin spends in disposal and reprocessing states. The automated recovery system quickly regenerates resin for immediate reuse, reducing overall loss of time compared to complete manual replacement cycles
3Device complexity
If manual resin packing is used in sample separation columns, then device complexity is reduced, but manufacturing precision worsens
Solution Approach 1:
The patent replaces manual mechanical resin packing operations with automated fluid-based delivery systems. Resin is pumped and delivered through controlled fluid flow paths into the separation column, eliminating manual packing variability while maintaining relatively simple device architecture through automated control systems
Solution Approach 2:
The system employs hydraulic or pneumatic mechanisms to deliver and pack resin uniformly into the separation column. Fluid pressure and flow control ensure consistent resin distribution and packing density without requiring complex mechanical packing devices, balancing manufacturing precision with device simplicity
4Productivity
If resin is not properly removed from sample separation columns, then productivity is improved, but object-affected harmful factors increase
Solution Approach 1:
The system implements effective resin removal and extraction mechanisms that completely eliminate resin from the separation column between samples. This thorough extraction prevents contamination of subsequent samples while maintaining productivity through rapid removal processes and automated column regeneration capabilities
Solution Approach 2:
The patent employs intermediary cleaning solutions and regenerative agents that facilitate complete resin removal without requiring harsh conditions or extended time periods. These intermediary substances enable thorough contamination prevention while maintaining continuous operational productivity through efficient mediation between samples
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
This approach enables efficient and precise resin management, reducing contamination risks, minimizing waste, and lowering costs by allowing for the reuse of resin, thus enhancing the accuracy and efficiency of sample analysis.
Implementation Method 1
a pump system configured to move fluids through a plurality of flow paths
Implementation Method 2
the reusable sample separation column including a second port configured to direct a jet of fluid at a portion of resin within the reusable sample separation column
Data Source
AI summary
Systems and methods for automatically packing resin into and unpacking resin from a reusable separation column for sample analysis are described. A reusable sample separation column embodiment includes, but is not limited to, a column body having a first end and a distal second end and defining an interior fluid flow pathway; a first port adjacent the first end and coupled to an inlet coupled to an expanded interior region, the inlet positioned between the first port and the expanded interior region to introduce resin slurry; an outlet coupled to a frit positioned between the outlet and the first port, the frit configured to retain resin of the resin slurry within the expanded interior region; and a second port coupled to a channel having a smaller cross-section than the second port, the channel configured to introduce a jet of fluid to resin positioned in the expanded interior region.