據全美各州能源部投資開發的一連串計畫，數百萬噸的二氧化碳將注入地底深處，並預期能儲存數千年之久。燃燒化石燃料所產生的二氧化碳排入大氣中，將會使全球暖化更加惡化。
由於受到國會每年預算配額影響，能源部計畫在未來10年內投入1億9700萬於7項投資計畫上，並估計其能創造3億1800萬美元的產值。
該合夥計畫預計將100萬噸的二氧化碳注入到一處位於西蒙山（Mount Simon Formation）地底深處的含水層中，正好是在伊利諾、肯塔基、印第安納及俄亥俄州部分地區下方。
針對地質封存方式，科學家將測試不同地質層的差異性，以助於提升封存效率。此外，科學家也試圖證明利用廣大的不透水層，來封存注入之二氧化碳將可以維持數千年。
另外，合夥計畫中策劃鑽一口注氣井，並以每日1000噸的速度，將二氧化碳注入到地表下1英里左右的西蒙山砂岩層中。而此注入計畫將為期3年，期間將會關閉注入地點、監督並模擬二氧化碳的情況，以探討儲存效率。
Millions of tons of the greenhouse gas carbon dioxide will be injected deep underground for storage expected to last for thousands of years in a series of projects funded by the U.S. Department of Energy in all regions of the country. Generated by burning fossil fuels, if allowed to escape into the atmosphere, the gas will intensify global warming.
The Energy Department plans to invest $197 million over 10 years for the seven projects, subject to annual appropriations from Congress. Their estimated value is $318 million.
The partnership will inject one million tons of carbon dioxide, CO2, into one of the thickest portions of the Mount Simon Formation, a saline aquirfer which underlies Illinois, Kentucky, Indiana, and portions of Ohio.
Scientists will test how the diversity of the formation can increase the effectiveness of storage. They will attempt to demonstrate that massive seals can contain the gas for millennia.
The consortium plans to drill an injection well and then inject about 1,000 tons per day of carbon dioxide into the Mt. Simon sandstone at a point that lies about a mile below the surface of the Earth.
Crews will inject CO2 for three years before closing the injection site and monitoring and modeling the injected gas to determine the effectiveness of the storage reservoir.
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