Please find below the
Finalist Evaluation
Judges'' ratings
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| • | Feasibility: | |
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Judges'' comments
An interesting concept on an application aimed to reduce CO2 emissions while creating value in the food chain and O2 production. Hydroponic carbon capture at source (HCCAS) uses hydroponics to capture carbon at source, simultaneously generating food/biofuel, growing plants in a soil-less environment, and also producing oxygen.
The contributor identifies the key technologies to be used in the overall scheme and the necessary steps to further analyse this approach. The basic concept of finding a use for the CO2 captured that can add value, therefore reducing the intrinsic cost of the process itself, is interesting to me.
The most similar approach I am aware of has been to use CO2 to revitalize depleted oil and gas fields by injecting CO2 into an oil/gas well to increase extraction.
The proposal seems to indicate that using CO2-rich flue gas from power plants to enhance agricultural production in greenhouse-like modules is an alternative to carbon capture and sequestration. However, it is not clear that this is the case.
Eventually the carbon sequestered by the grown plants could still end up in the atmosphere (depending on the use of the plants). It is not clear that this is superior to underground storage from a climate change perspective. Also, no quantitative support is provided in this proposal. Importantly, no support for the cost effectiveness of this approach is offered.
Semi-Finalist Evaluation
Judges'' ratings
| • | Novelty: | |
| • | Feasibility: | |
| • | Impact: | |
| • | Presentation: |
Judges'' comments
An interesting concept on an application aimed to reduce CO2 emission while creating value in the food chain and O2 production. Hydroponic carbon capture at source HCCAS uses hydroponics to capture carbon at source, simultaneously generating food/biofuel, growing plants in a soilless environment, and oxygen. The contributor identifies the key technologies to be used in the overall scheme and the necessary steps to further analyse this approach. We find interesting the basic concept of finding an use to the CO2 captured that can add value, therefore reducing the intrinsic cost of the process itself. The most similar approach we know of has been to use the CO2 to revitalize some depleted oil and gas field by injecting CO2. For the proposal to be complete, a more detailed pre-feasibility check on the technology itself has to be performed.
Please elaborate on feasibility testing for the technology.
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