Thermo-mass recuperation methods, systems, and devices

Thermo-mass recuperation systems address the inefficiencies in freeze point suppression cycles by integrating heat and mass transfer, enhancing cycle efficiency and reducing costs through optimized heat recuperation.

WO2025072278A1 Publication Date: 2025-04-03REBOUND TECH INC
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Patent Information

Application Number
PCT/US2024/048332
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-09-25
Filing Date
2024-09-25
Publication Date
2025-04-03

AI Technical Summary

Technical Problem

Existing technologies face challenges in efficiently recuperating heat and mass in freeze point suppression cycles, particularly due to the inefficiencies of many separation technologies operating at lower temperatures.

Method used

The implementation of thermo-mass recuperation systems and methods that involve exchanging heat between a brine from a tank and a base fluid, while also integrating additional separation mass transfer into the thermal recuperation process, optimizing the efficiency of the freeze point suppression cycle.

Benefits of technology

This approach significantly improves the efficiency of the freeze point suppression cycle by effectively recuperating heat and mass, leading to reduced energy consumption, smaller system size, and lower costs, with some embodiments achieving a cost reduction of over 20% for the same capacity.

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Abstract

Thermo-mass recuperation systems, devices, and methods are provided in accordance with various embodiments. Some embodiments apply to recuperating heat and mass in a freeze point suppression cycle. A freeze point suppression cycle generally includes a separation step to remove a portion of a base fluid, such as a refrigerant, from a mixture of base fluid and an additive, such as a freeze point suppressant. Many separation technologies operate more efficiently at higher temperatures, from an energy, size, and / or cost basis. In order to optimize the overall freeze point suppression cycle efficiency, it may be important to efficiently recuperate the heat between the lower operating temperature and the higher separation temperature. The cycle efficiency may be further improved by directly integrating additional separation mass transfer into the thermal recuperation.
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