Fermentation Heat Reuse for Energy-Efficient Protein Culture Drying
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Solution Overview
Problem
The increasing demand for protein-rich food products and the challenges of scaling up renewable energy sources for single cell protein production, including high energy demand and production costs, as well as environmental concerns from fossil fuel use.
Innovation Solution
A process and system for reusing heat generated during aerobic fermentation in single cell protein production, utilizing heat exchangers and heat pumps to capture and recycle heat for drying, reducing external energy consumption and emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If traditional energy sources (fossil fuels) are used to power biosynthesis processes, then energy demand is met, but environmental concerns increase and non-renewable resources are depleted
Solution Approach 1:
The invention converts the harmful waste heat generated during fermentation into a beneficial resource by using it to power the drying process. This eliminates the need for external fossil fuel energy sources while solving the thermal pollution problem, thereby addressing environmental concerns without compromising energy demand.
Solution Approach 2:
The fermentation process serves its own energy needs by generating heat that is reused for drying. The system becomes self-sufficient by internally recycling energy, eliminating dependence on external fossil fuel sources and reducing environmental impact.
2Object-affected harmful factors
If renewable energy sources are used to power biosynthesis processes, then environmental concerns are reduced, but production costs increase
Solution Approach 1:
By converting waste heat into a useful resource for drying, the invention eliminates the need for expensive renewable energy infrastructure while maintaining environmental benefits. This significantly reduces production costs compared to implementing external renewable energy systems.
Solution Approach 2:
The system generates its own process energy through internal heat recycling, eliminating the need to purchase or install external renewable energy systems. This self-sufficiency dramatically reduces production costs while maintaining environmental sustainability.
3Object-generated harmful factors
If heat is expelled to the environment during fermentation, then thermal pollution increases, but a cooling system is required
Solution Approach 1:
The invention converts the harmful waste heat into a beneficial resource for drying. By doing so, it eliminates thermal pollution without requiring any cooling system, as the heat that would need to be removed is instead put to productive use.
Solution Approach 2:
The fermentation process internally utilizes its own generated heat for drying, eliminating the need for external cooling infrastructure. The system recycles its thermal output, making the cooling system unnecessary.
4Productivity
If external energy sources are used for drying, then drying process is driven, but overall energy consumption increases
Solution Approach 1:
The invention uses the waste heat from fermentation (a harmful byproduct) to drive the drying process. This eliminates the need for external energy sources for drying, thereby reducing overall energy consumption while maintaining productivity.
Solution Approach 2:
The drying process is powered by heat generated within the fermentation process itself. The system recycles its own thermal energy, eliminating dependence on external energy sources and reducing total energy consumption.
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
Enhances energy efficiency, reduces thermal pollution, and minimizes the use of fossil fuels, thereby addressing environmental concerns and lowering operational costs.
Implementation Method 1
using a heat exchanger to capture heat from a gas flow discharged during the fermentation
Implementation Method 2
the heat exchanger is a heat pump
Implementation Method 3
the second heat exchanger is a steam heat exchanger
Implementation Method 4
aerobically fermenting a material with an thermophilic organism to provide a thermophilic fermented culture
Data Source
AI summary
The invention relates to a process for reusing heat in a protein culture, the process comprising the steps of aerobically fermenting a material with an thermophilic organism to provide a thermophilic fermented culture; and performing a drying process on the thermophilic fermented culture using heat produced during the aerobic fermentation. The invention further relates to a system for reusing heat in a protein culture.