By supercritical CO2 process water extracts of vegetable tannin applied to treat Kaolin suspension and their flocculation properties were investigated.

研究了利用超临界CO2萃取技术提取的植物单宁提取液对高岭土悬浊液的絮凝效果。

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And, there's a huge amount of CO2 that comes from this process.

大量的二氧化碳2,来自于这一生产过程。

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OK, yes, we have cut the emissions from the gasoline we would otherwise have used but the CO2 from the industrial process still ends up in the atmosphere.

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Unconventional oil production (whether from shale or oil sands) is an energy-intensive process, and emits more CO2 than conventional extractive methods do.

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That said, if the process really can be made to work, CO2 would go from being a polluting waste product to a valuable raw material, and it might even become worthwhile building systems to capture it and pipelines to ship it around.

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