摘要:
The invention relates to an operating medium for an absorption refrigeration device, comprising 5 to 30 wt % water and 65 to 95 wt % of a sorption agent comprising lithium bromide and at least one ionic liquid and wherein the sorption agent comprises ionic liquid and lithium bromide in a weight ratio of 0.5:1 to 5:1, having a lower friction coefficient compared to an operating medium comprising water and lithium bromide.
摘要:
The invention relates to an operating medium for an absorption refrigeration device, comprising 5 to 30 wt % water and 65 to 95 wt % of a sorption agent comprising lithium bromide and at least one ionic liquid and wherein the sorption agent comprises ionic liquid and lithium bromide in a weight ratio of 0.5:1 to 5:1, having a lower friction coefficient compared to an operating medium comprising water and lithium bromide.
摘要:
A working medium comprising at least one refrigerant, at least one monohydric aliphatic alcohol having from 6 to 10 carbon atoms and at least one ionic liquid composed of at least one organic cation and at least one anion shows an improved efficiency COP in an absorption heat pump compared to working media which do not contain an alcohol having from 6 to 10 carbon atoms.
摘要:
An absorption heat pump with a sorbent comprising a lithium salt and at least one organic salt with an organic cation Q+, the lithium salt and organic salt having the same anion, the anion having a molar mass of not more than 200 g/mol and not being halide, and the organic cation Q+ having a molar mass of not more than 200 g/mol, exhibits an improved degassing range of the working medium composed of refrigerant and sorbent.
摘要:
An absorption heat pump with a sorbent which comprises lithium chloride and at least one salt Q+Cl− with an organic cation Q+ and the shared anion chloride, the organic cation Q+ having a molar mass of not more than 200 g/mol, exhibits an improved degassing range of the working medium composed of refrigerant and sorbent.
摘要:
CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (1). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
摘要:
CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (I). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
摘要:
CO2 is absorbed from a gas mixture by bringing the gas mixture into contact with an absorbent that comprises water and at least one amine of the formula (I), wherein R1 and R2, independently of each other, are hydrogen or an alkyl group. According to the invention, absorption media comprise sulfolane or an ionic liquid in addition to water and an amine of the formula (1). A device according to the invention for removing CO2 from a gas mixture comprises an absorption unit, a desorption unit, and an absorption medium according to the invention that is conducted in the circuit.
摘要:
The present invention relates to compositions for producing membranes, the compositions comprising at least 0.1% by weight of highly branched polymer, at least 0.5% by weight of linear polymer and at least 30% by weight of solvent. The present invention additionally describes membranes obtainable from the compositions, and methods of producing these membranes.
摘要:
A method of absorbing CO2 from a gas mixture by bringing the gas mixture into contact with an absorption medium comprising water and an amine of formula (I) where R is an n-alkyl radical having from 1 to 4 carbon atoms, at an initial partial pressure of CO2 of from 0.01 to 0.6 bar, can be operated without precipitation of a solid during the absorption of CO2.