Issue Date: April 27, 2015 | Web Date: April 23, 2015
Hydrogel Could Green Up Fracking
Researchers have created a hydraulic fluid that transforms into an expandable hydrogel on interacting with carbon dioxide. The expansion process produces enough force to fracture rock. The hydrogel could reduce the amount of water and chemical additives required for hydraulic fracturing used to generate underground reservoirs for geothermal energy production or for oil and natural gas extraction.
The research paper reporting the promising technology, published in the journal Green Chemistry, has created a stir among . . .
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