CO2 Injection Boosts Oil Recovery, Captures Emissions - Technology advances, economic improvements, and environmental needs have aligned to create a perfect storm of growth opportunity for a proven method for enhancing oil recovery in the United States: carbon dioxide (CO2) flooding.

DIY CO2 Injection: The Yeast Method - This article gives instructions for a cheap Do-It-Yourself CO2 injection system. The CO2 is produced by a mixture of sugar, yeast and water, and the setup is constructed entirely from cheap and readily available materials. Thanks go to Brian R Silverstein (silverst-at-armstrong.ecn.purdue.edu) for posting a description of his setup, which initially used sourdough starter. His message got me started and much of the information below comes from his postings. Not surprisingly, Brian thanks Ulli Kaeufl (hukaufl-at-eso.org) & George Booth (booth-at-hplvec.LVLD.HP.COM). Finally, a big thanks go to the many participants of the Usenet *.aquaria newsgroups, where this topic has been discussed many times, and numerous persons report positive results using this system.

Do-It-Yourself Carbon Dioxide Injection - Aqua Botanic is your source for finding everything you need to know to keep aquatic plants from some of the best known authorities.

A secondary recovery technique in which carbon dioxide (CO2) is injected into wells as part of a miscible recovery program.