• nitrogen
  • The filling gas within the discharge tube consists of around 10-20% carbon dioxide (CO 2), around 10-20% nitrogen (N 2), a few percent hydrogen (H 2) and/or xenon (Xe) (usually only used in a sealed tube), and the remainder of the gas mixture helium (He). (wikipedia.org)
  • Liquid
  • at −23 to −12 °C (−10 to 10 °F). By the mid-20th century, most carbon dioxide was sold as the liquid. (britannica.com)
  • UN 2187 carbon dioxide refrigerated liquid. (inchem.org)
  • Under the long-term agreement, Praxair will build, own and operate a 450-ton-per-day carbon dioxide purification and liquefaction plant at the refinery, producing beverage-quality liquid carbon dioxide for distribution into the Northeastern US merchant market. (environmentalleader.com)
  • Using water, it is a liquid/solid reaction as shown here: CaO(s) + H2O(l) → Ca(OH)2(s) ΔH° = -64.5 kJ/mol Other strong bases such as soda lime, sodium hydroxide, potassium hydroxide, and lithium hydroxide are able to remove carbon dioxide by chemically reacting with it. (wikipedia.org)
  • If the temperature and pressure are both increased from STP to be at or above the critical point for carbon dioxide, it can adopt properties midway between a gas and a liquid. (wikipedia.org)
  • fuels
  • A new study says the U.S. government is vastly undervaluing the cost of carbon pollution, and a true estimate would make renewable energy the better choice over fossil fuels. (earthtechling.com)
  • humans
  • The Intergovernmental Panel on Climate Change (IPCC) calculated projected temperature changes for various scenarios in 2007 and researchers at the Max Planck Institute for Meteorology in Hamburg have now gone one step further: they have developed a new model that specifies the maximum volumes of carbon dioxide that humans may emit to remain below the critical threshold for climate warming of two degrees Celsius. (redorbit.com)
  • carbohydrate
  • Almost all other organisms depend on carbohydrate derived from photosynthesis as their primary source of energy and carbon compounds. (wikipedia.org)
  • capture
  • A new project out of the UK promises to forever revolutionize the way we approach carbon capture and storage. (earthtechling.com)
  • Will Bioenergy With Carbon Capture Save Us? (earthtechling.com)
  • Swedish researchers say bioenergy with carbon capture and storage can turn around the global warming trend eventually even if we miss near-term targets. (earthtechling.com)
  • They have also been researched for carbon capture. (wikipedia.org)
  • Thermal air capture systems use heat generated on-site, which reduces the inefficiencies associated with off-site electricity production, but of course it still needs a source of (carbon-free) heat. (wikipedia.org)
  • Among such technologies are bio-energy with carbon capture and storage, biochar, ocean fertilization, enhanced weathering, and direct air capture when combined with storage. (wikipedia.org)
  • It is regarded by some as a form of climate engineering, while other commentators describe it as a form of carbon capture and storage or extreme mitigation. (wikipedia.org)
  • However, Carbon Capture technology remains, at best, theoretical and is yet to reach more than 33% efficiency. (wikipedia.org)
  • processes
  • Carbon dioxide is given off by many fermentation processes (wine, beer, etc.) and is a major component of flue gas. (inchem.org)
  • Carbon dioxide is produced during the processes of decay of organic materials and the fermentation of sugars in bread, beer and wine making. (wikipedia.org)
  • Measuring carbon dioxide is important in monitoring indoor air quality, the function of the lungs in the form of a capnograph device, and many industrial processes. (wikipedia.org)
  • emission
  • Also for meeting higher concentration levels, carbon dioxide removal is increasingly considered to be crucial as it provides the only possibility to fill the gap between needed reductions to meet mitigation targets and global emission trends. (wikipedia.org)
  • refrigerant
  • Carbon dioxide is used as a refrigerant, in fire extinguishers , for inflating life rafts and life jackets, blasting coal , foaming rubber and plastics, promoting the growth of plants in greenhouses, immobilizing animals before slaughter, and in carbonated beverages. (britannica.com)
  • atoms
  • The resulting hot helium atoms must be cooled in order to sustain the ability to produce a population inversion in the carbon dioxide molecules. (wikipedia.org)
  • water
  • Demonstrates the affect of increased dissolved carbon dioxide on water pH using a cheap, non-toxic acid/base indicator. (carleton.edu)
  • Solubility of carbon dioxide and its influence on water pH. (carleton.edu)
  • In 1772, English chemist Joseph Priestley published a paper entitled Impregnating Water with Fixed Air in which he described a process of dripping sulfuric acid (or oil of vitriol as Priestley knew it) on chalk in order to produce carbon dioxide, and forcing the gas to dissolve by agitating a bowl of water in contact with the gas. (wikipedia.org)
  • Carbon dioxide hydrate is a snow-like crystalline substance composed of water ice and carbon dioxide. (wikipedia.org)
  • combustion
  • Carbon dioxide was recognized as a gas different from others early in the 17th century by a Belgian chemist, Jan Baptista van Helmont , who observed it as a product of both fermentation and combustion. (britannica.com)
  • Ignited magnesium continues to burn in carbon dioxide, but the gas does not support the combustion of most materials. (britannica.com)
  • climate
  • The final possibility is qualitatively compatible with both 'consensus' views of climate change and the opinions of those who are more impressed with the manifestly adverse consequences of carbon-mitigation to human reproduction and survival. (repec.org)
  • metals
  • Carbon dioxide snow cleaning has been used to remove particles and organic residues from metals, polymers, ceramics, glasses, and other materials, and from surfaces including hard drives and optical surfaces. (wikipedia.org)
  • removal
  • Anesthesia machines which provide life support and inhaled agents during surgery typically employ a closed circuit necessitating the removal of carbon dioxide exhaled by the patient. (wikipedia.org)
  • The regenerative carbon dioxide removal system (RCRS) on the space shuttle orbiter used a two-bed system that provided continuous removal of carbon dioxide without expendable products. (wikipedia.org)
  • The use of extracorporeal carbon dioxide removal is currently considered experimental, but it has been studied in a number of situations, specifically severe exacerbations of chronic obstructive pulmonary disease and in adult respiratory distress syndrome where conventional mechanical ventilation would cause excessive lung damage. (wikipedia.org)
  • environmental
  • books.google.com - This book focuses on the interactive effects of environmental stresses with plant and ecosystem functions, especially with respect to changes in the abundance of carbon dioxide. (google.com)
  • primary
  • When a reservoir's pressure is depleted through primary and secondary production, carbon dioxide flooding can be an ideal tertiary recovery method. (wikipedia.org)