49results about How to "Increase desorption" patented technology

The invention provides a novel two-phase mixture for trapping carbon dioxide, and belongs to the field of technologies for trapping carbon dioxide gas. The novel two-phase mixture comprises two phases including, by weight, 99.0-99.5 wt% of non-aqueous solution and 0.5-1.0 wt% of porous solid materials. The non-aqueous solution comprises, by weight, 30-50 wt% of solutes and 50-70 wt% of solvents, and the solutes are N-ethylethanolamine; the solvents are N, N-diethyl ethylene diamine. The solid porous materials are TiO (OH) 2. The novel two-phase mixture has the advantages that the non-aqueous solution is modified by the TiO (OH) 2, absorption effects of the non-aqueous solution cannot be improved by the TiO (OH) 2, but the desorption rate can be greatly increased by the TiO (OH) 2, the optimal desorption rate can reach 250 Nm<3> CO2 / m<3> solution, and the desorption rate can be increased as compared with the original non-aqueous solution.

The invention discloses a self-cooling type solid desiccant cooling dehumidification air-conditioning system. The air-conditioning system comprises a cooling dehumidification system and a heating regeneration system which are connected with each other. Dehumidifying heat exchangers formed by enabling solid dehumidifying materials to be attached to surfaces of finned tube type heat exchangers independently performing sensible heat exchange traditionally are adopted in the cooling dehumidification system and the heating regeneration system. Dehumidifying turning wheels are replaced by the dehumidifying heat exchangers. In the dehumidification process, chilled water generated by regenerating evaporating cooling is led into the dehumidifying heat exchangers, so that a self-cooling type low temperature inner heat source is formed, and cooling is carried out in the desiccant dehumidification process; in the regenerating process, hot water generated through low-grade heat energy serves as a heating inner heat source to be led into the desiccant desorption process; and by switching the dehumidification process and the regenerating process, thermodynamic cycle for continuous refrigeration is achieved. Compared with a dehumidifying turning wheel system, the self-cooling type solid desiccant cooling dehumidification air-conditioning system not only has the advantages of being small in size and low in cost, but also can achieve the self-cooling type cooling dehumidification process, and the efficiency of the whole system is greatly improved.

The invention relates to a method using a high-viscosity absorbent to separate CO2 based on a dissolution assisting effect and belongs to the technical field of gas separation and the field of environment protection. The method is characterized in that due to the dissolution assisting effect of amine, a novel absorbent can be obtained by mixing an organic solvent which does not dissolve in water with the high-viscosity amine absorbent; the novel absorbent reacts with to-be-separated CO2, the novel absorbent forms liquid-liquid phases or liquid-solid phases due to the fact that the amine is reduced during the reaction and the dissolution assisting effect is weakened, and the two phases are respectively a CO2-loaded rich phase and a CO2-loaded poor phase; desorption is performed only on the CO2-loaded rich phase to obtain CO2; the absorbent after the desorption is mixed with the CO2-loaded poor phase to perform circulation absorption. The method has the advantages that the viscosity of the absorbent is lowered during the absorption, the concentration of the absorbent is increased during the desorption, the treatment quantity of a desorption unit is reduced, water evaporation amount and temperature rising energy consumption are lowered, and the high-viscosity absorbent can be used to separate the CO2 with low energy consumption.

The invention belongs to the gas separation technology area, it relates to a decarbonization solution which recycles or removes the carbon dioxide gas from the mixed gas which contains carbon dioxide, said invention specially relates to an ethoxyl ethylenediamine decarbonization solution. Its characteristic lies in: the invention has designed a new compound decarbonization solution which is composed of the main absorption component, the aid absorption component, the activation component, the corrosion inhibitor, the oxidation inhibitor and the water. Among, the main absorption component is AEE, the aid absorption component is AMP, MDEA and TEA, the activation component is MEA, DEA and PZ, the corrosion inhibitor is vitriol sour sodium, the oxidation inhibitor is the sodium sulfite and the cupric acetate. The effect and the profit of the invention are that it can be used in recycling many kinds of chemical industry reaction exhaust, the carbon dioxide of the combustion flue gas and the mixed gas, may also used in removing the carbon dioxide of town gas, the natural gas and so on, the merit of the decarbonization fluid is that the absorption capacity is big, purification is high, desorption rate is big, regeneration energy consumption is low.

The invention discloses a gas drainage method in a hydrothermal coupling fracturing strengthening area. Firstly, the main fracturing hole, branch fracturing holes and guide holes are sequentially constructed on the side of the coal seam, and the main fracturing holes are arranged in the center of an equilateral triangle. position, the opening positions of the branch fracturing holes are respectively arranged at the three vertices of the equilateral triangle, the positions of the final holes meet at the center line of the equilateral triangle, and the leading holes are located at the center of the main fracturing hole, On a circle with a radius of 5-15m; the fracturing equipment includes water injection equipment and a powder injector composed of intelligent water tanks and fracturing pumps. The quicklime powder in the powder injector is injected into the main fracturing hole and the branch fracturing hole through the downhole wind pressure; the main fracturing hole is hydraulically fractured through the water injection equipment, and the quicklime powder enters the fracture under the pressure of high-pressure water. The thermal reaction between powder and water generates a large amount of heat, realizing hydrothermal coupling fracturing; through the implementation of hydrothermal coupling fracturing to strengthen the regional gas drainage method, the area affected by fracturing increases, and the concentration of gas drainage increases. The effect is remarkable, which meets the The needs of coal mine site area gas control and other work.