Landfill Gas Datacenter Cooling via Waste Heat Recovery
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Solution Overview
Problem
Conventional power plants face high operation costs and carbon emissions due to the need to power both datacenter loads and cooling loads, with fossil fuel-based plants contributing to environmental issues.
Innovation Solution
A datacenter is co-located with a waste landfill, utilizing landfill gas to power generators, where the thermal energy from converting this gas into electricity is used for cooling, and a backup fuel system ensures uninterrupted power supply.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional power plant is used to power both datacenter load and cooling load, then the datacenter can operate with complete power supply, but the operation cost increases and carbon emissions increase
Solution Approach 1:
The patent combines the power generation system and cooling system into a single integrated facility. The power plant generates electricity for the datacenter while simultaneously using its thermal output (both waste heat and ambient air) to cool the datacenter, merging two separate functions into one unified system that reduces operational costs and energy loss.
2Reliability
If a conventional power plant is used to power both datacenter load and cooling load, then the datacenter can operate with complete power supply, but carbon dioxide emissions increase
Solution Approach 1:
The patent converts the harmful waste heat generated by power plant operation into a beneficial cooling resource for the datacenter. By utilizing the thermal output that would otherwise be discarded, the system eliminates the need for separate cooling equipment and reduces overall carbon emissions while maintaining reliable power supply.
3Loss of energy
If thermal energy from landfill gas conversion is used for cooling, then cooling cost is reduced, but the system complexity increases
Solution Approach 1:
The power plant is designed to perform multiple functions simultaneously: generating electricity for the datacenter, providing cooling through thermal output utilization, and serving as a waste management facility by processing landfill gas. This multi-functionality reduces the need for separate dedicated systems, thereby lowering overall system complexity while reducing cooling costs.
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 configuration reduces operational costs, minimizes carbon emissions by using renewable landfill gas, and maintains continuous power and cooling for the datacenter while optimizing energy efficiency.
Implementation Method 1
The landfill gas is used as an input to a prime mover, which generates mechanical energy output
Implementation Method 2
The mechanical energy output is used to drive a generator and produce electricity
Implementation Method 3
A heat exchanger transfers the thermal energy to a working fluid
Data Source
AI summary
Arrangements of the present disclosure relate to a system including a datacenter, having an electrical connection configured to receive electrical power generated from landfill gas, a thermal connection configured to receive thermal energy generated as a byproduct of generating the electrical power from the landfill gas, a datacenter load powered by the electrical power, and a cooling plant configured to cool the datacenter load using the thermal energy.