Research on Initiation of Carbon Dioxide Fracturing Pipe Using the Liquid Carbon Dioxide Phase-Transition Blasting Technology

Chapter 2.9.5 - Carbon Dioxide (Dry-Ice) Blasting

Dry-ice particle blasting is similar to sand blasting, plastic bead blasting, or soda blasting where a media is accelerated in a pressurized air stream (or other inert gas) to impact the surface to be cleaned or prepared. With dry-ice blasting, the media that impacts the surface is solid carbon dioxide (CO2) particles. One unique aspect of using dry-ice particles as a blast media is that the pa...

High pressure carbon dioxide pasteurization of liquid food Supercritical carbon dioxide pasteurization of liquid food

Dense Phase Carbon Dioxide Processing of Liquid Foods: a Review

Dense Phase Carbon Dioxide (DPCD) is a non-thermal process that pasteurizes mostly liquid foods. It inactivates vegetative bacterial cells, some spores, yeasts and molds, some viruses, and some enzymes. The traditional approach to develop a DPCD process for a new product involves a complex experimental plan to investigate microbial and safety effects. Recent studies show the importance of the s...

Stability of dense liquid carbon dioxide.

We present ab initio calculations of the phase diagram of liquid CO(2) and its melting curve over a wide range of pressure and temperature conditions, including those relevant to the Earth. Several distinct liquid phases are predicted up to 200 GPa and 10,000 K based on their structural and electronic characteristics. We provide evidence for a first-order liquid-liquid phase transition with a c...

Encapsulated liquid sorbents for carbon dioxide capture.

Drawbacks of current carbon dioxide capture methods include corrosivity, evaporative losses and fouling. Separating the capture solvent from infrastructure and effluent gases via microencapsulation provides possible solutions to these issues. Here we report carbon capture materials that may enable low-cost and energy-efficient capture of carbon dioxide from flue gas. Polymer microcapsules compo...