Maple Sap Reverse Osmosis Drainage and Concentrate Recovery
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Solution Overview
Problem
Conventional reverse osmosis systems for maple syrup production are inefficient due to long drainage times, sap loss during cleanup, frost issues, high water requirements, and frequent downtime for maintenance and filter bank replacements.
Innovation Solution
A reverse osmosis system with redundant feed pumps and filter banks, serially connected housings with air inlet for complete liquid drainage, and a membrane sub-system using compressed air or vacuum for concentrate recovery, allowing for efficient concentrate recuperation and reduced permeate usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If common reverse osmosis systems are used for maple sap processing, then sap concentration can be achieved, but the system takes a fair amount of time to drain and requires great quantities of water to properly wash
Solution Approach 1:
The system divides the housing into multiple drainage zones with separate drainage ports at different elevations. The first drainage port handles initial drainage while the second drainage port completes the drainage process, allowing systematic removal of liquid from different sections of the housing to reduce total drainage time
Solution Approach 2:
The system uses pressurized air introduced through an air inlet to accelerate the drainage process. The pressurized air pushes remaining liquid through the drainage ports, significantly reducing the time required to completely drain the housing compared to passive gravitational drainage alone
2Productivity
If common reverse osmosis systems are used for maple sap processing, then sap concentration can be achieved, but the system is subject to loss of sap during cleanup
Solution Approach 1:
The system extracts and removes liquid concentrate through dedicated drainage ports positioned at the lowest points of the housing. This allows complete removal of sap concentrate from the membrane housing during drainage, preventing sap loss that would otherwise occur during cleanup operations in conventional systems
Solution Approach 2:
The system performs preliminary drainage through the first drainage port before final cleanup through the second drainage port. This staged approach ensures that most liquid is removed early, minimizing the amount of sap that needs to be handled during subsequent cleanup operations and reducing overall sap loss
3Productivity
If common reverse osmosis systems are used for maple sap processing, then sap concentration can be achieved, but the system is subject to frost because of the difficulty in completely draining the system of liquid
Solution Approach 1:
The housing is divided into multiple drainage sections with separate drainage ports at different elevations. This segmentation allows complete drainage of all liquid from different zones of the housing, ensuring no residual liquid remains that could freeze and cause frost damage in unheated environments
Solution Approach 2:
Pressurized air is used to force remaining liquid through the drainage ports, ensuring complete evacuation of liquid from the housing. This pneumatic assistance guarantees that even small amounts of residual liquid are removed, eliminating the risk of frost damage during cold weather operation
4Productivity
If common reverse osmosis systems are used for maple sap processing, then sap concentration can be achieved, but the system requires great quantities of water to properly wash
Solution Approach 1:
The system extracts and removes concentrated sap through dedicated drainage ports positioned at the lowest points of the housing. By efficiently removing concentrate during operation, the system reduces the amount of residual material that would require water for washing, thereby reducing overall water consumption
Solution Approach 2:
The system performs preliminary drainage and concentrate removal through the first drainage port before final cleanup through the second drainage port. This staged drainage approach minimizes residual liquid and concentrate in the housing, reducing the amount of water needed for subsequent washing operations
5Productivity
If common reverse osmosis systems are used for maple sap processing, then sap concentration can be achieved, but the system is subject to downtime caused by the repair, maintenance and replacement of filter banks
Solution Approach 1:
The system uses multiple independent filter banks that can be operated in parallel or independently. When one filter bank requires maintenance or replacement, the system can switch to another filter bank, allowing maintenance activities to proceed without shutting down the entire sap concentration operation
Solution Approach 2:
The system is designed to easily replace filter banks without requiring complete system disassembly or drainage. Used filter banks can be quickly removed and replaced with fresh ones, minimizing maintenance downtime while the system continues operating with remaining functional filter banks
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 system significantly reduces downtime, minimizes sap loss, and enables complete drainage, resulting in cost savings and improved operational efficiency by allowing the system to be located in unheated areas and reducing the need for extensive permeate rinsing.
Implementation Method 1
by using reverse osmosis, a more concentrated sap can be produced
Implementation Method 2
A reverse osmosis system with redundant feed pumps and filter banks, serially connected housings with air inlet for complete liquid drainage
Implementation Method 3
a membrane sub-system using compressed air or vacuum for concentrate recovery
Data Source
AI summary
A maple sap reverse osmosis system that comprises a feed pressure pump configured for receiving maple tree sap, a filter bank, at least one pressure pump operatively connected to the feed pressure pump through the filter bank, at least one recirculation pump operatively connected to the at least one pressure pump, each recirculation pump having an associated housing having an input positioned at a bottom portion of the housing, a permeate output and a concentrate output, the housing enclosing a membrane producing permeate and concentrate from the maple sap and an air inlet operatively connected to a housing in a exit position. The housings are serially connected from an entrance position housing to the exit position housing through associated inputs and concentrate outputs and wherein the housings can be completely drained of liquid through the input of the entrance position housing.