Tortured Path Particle Fractionation for High-Throughput Separation
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Solution Overview
Problem
Current particle separation methods are inefficient, often requiring bulky equipment and high pressure drops, and are unable to operate dynamically, which hampers industrial applications such as nuclear waste processing, algae harvesting, and rare earth metal extraction, as they rely on slow processes like gravity settling or centrifuges with moving parts.
Innovation Solution
The development of modular inline particle fractionation systems that utilize a conduit with a tortured path of staggered posts to separate larger components from smaller ones, allowing for high-throughput particle removal with minimal pressure drops by driving larger particles toward a sidewall and maintaining flow laminarity, enabling efficient separation across various industrial scales.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If gravity settling or centrifuges are used for particle separation, then separation can be achieved, but the process is slow and requires bulky equipment
Solution Approach 1:
The separation process is segmented into multiple stages within the conduit, with staggered posts creating successive separation zones. This allows progressive particle removal along the flow path, increasing throughput without requiring a single large separation unit.
Solution Approach 2:
The invention transitions from traditional horizontal or vertical settling to a three-dimensional separation within the conduit volume. Staggered posts positioned at different heights and angles create separation in multiple spatial dimensions, enabling compact high-capacity processing.
2Quantity of substance
If traditional filtration or screening is used, then particle removal is achieved, but pressure drop increases significantly
Solution Approach 1:
Large particles are extracted from the main flow stream by the staggered posts before the fluid reaches downstream equipment. This pre-removal prevents particles from clogging narrow filtration zones, maintaining low pressure drop while achieving high removal efficiency.
Solution Approach 2:
The staggered posts act as intermediary structures that gently guide particles to the conduit wall without creating abrupt flow restrictions. This intermediate separation mechanism avoids the high pressure drops associated with direct filtration or screening.
3Productivity
If centrifuges with moving parts are used for fast separation, then throughput increases, but device complexity and maintenance requirements increase
Solution Approach 1:
The system uses the kinetic energy and flow characteristics of the slurry itself to perform separation, without requiring external power sources or moving parts. The staggered posts passively redirect particles based on flow velocity and particle size, enabling fast separation with minimal mechanical complexity.
Solution Approach 2:
The invention replaces mechanical centrifugal separation with a fluid dynamic separation mechanism. Instead of using rotating centrifuges, the system uses carefully designed flow paths and staggered obstacles to achieve separation based on particle inertia and flow following, eliminating moving parts while maintaining high throughput.
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
These systems achieve over 97% removal of targeted oversized particles at industrial flow rates with minimal pressure drop losses, facilitating faster and more efficient processing of mixtures, such as removing silica from geothermal processes and algae from suspensions, while being modular and insertable into existing piping systems.
Implementation Method 1
maintaining flow laminarity
Implementation Method 2
separating larger components from smaller components of the mixture to concentrate the larger components toward an opposing sidewall of the conduit
Data Source
AI summary
Systems for separating components of a mixture are provided which can include: a conduit system having at least one linear section including a length of opposing sidewalls defining a volume configured to receive a flow of mixed materials entering along a proximate end of the length and exiting along a distal end of the length; and a tortured path defining at least one series of members extending in line across the volume from one sidewall of the volume and inwardly toward the distal end defining an angle other than normal from the one sidewall.Methods for separating components of a mixture are provided which can include providing a mixture of components into the tortured path to separate larger components from smaller components of the mixture and concentrate the larger components toward an opposing sidewall of the conduit.