Patent MX-2013007600-A (MX)
Title: Process for obtaining clathrate hydrate thermodynamically stable at temperatures close to and higher than room temperature.
Inventor: RODRÍGUEZ ARTURO TREJO
IPC: C07C7/20
Filed: 2013-06-28
Abstract: The present invention simultaneously contains a novel composition of organic chemical substances for forming clathrates hydrates of gases and liquids that are thermodynamically stables at wide ranges of temperature and pressure, and a novel process for the formation of clathrates hydrates. The temperatures for obtaining clathrates hydrates thermodynamically stable of gases and liquids have values close to room temperature and higher, thus the use of traditional temperatures close to 0°C are not required for forming clathrates hydrates; the process and composition of organic chemical substances of the present invention promote the capture, storage in a reduced space, transport and safe distribution of different gases and liquids in the form of clathrates hydrates for being used in environmental scientific, industrial and commercial applications once the gases and liquids are released in a reversible manner from the clathrates hydrates under known and controlled conditions of temperatur e and pressure, since the gases and liquids are trapped in a stable and reversible manner in the crystalline solid structure of the clathrates hydrates. The compositions of the present invention for forming clathrates hydrates of different gases and liquids using water and gases or liquids, refers to a mixture known in composition and concentration of organic chemical substances for promoting and stabilizing clathrates hydrates of gases and liquids. The chemical substances for promoting and stabilizing clathrates hydrates of gases and liquids of the present invention may quantitatively favor the solubilization of the gases and liquids that will be hostages in the crystalline structure of the clathrates hydrates, which substantially facilitate the inclusion of large amounts of gases and liquids in the well know cells of the clathrates, therefore the times of formation and stabilization of the clathrates hydrates of gases and liquids are shorter than those required without the compositi on of the present invention. The chemical substance for promoting and stabilizing clathrates hydrates of gases and liquids of the present invention may interact in a simultaneous manner with the links and bridges of hydrogen of water, which result in the crystalline structure of clathrates hydrates, this generating a high stability, i.e., these are not dissociated so that persisting as crystalline solids at temperatures upper than those required during long periods of time: i.e., months; additionally, the chemical substances for promoting and stabilizing the clathrates hydrates of gases and liquids of the present invention are soluble or miscible in all ratios and concentrations of water, being chemically stable under the temperature and pressure conditions of the method developed in the invention, the aqueous solution of the chemical substances for promoting and stabilizing the clathrates hydrates of gases and liquids of the invention may be cyclically reused in an unlimited manner. The novel characteristic of the invention surpasses in an easy, practical, safe and affordable manner the technological challenge of storing, transporting and distributing gases and liquids of substantial importance for the fields of the energy, different industries, environment and commerce.