Abstract: A catalyst includes a carbon black support and active metal particles. A surface of the carbon black support has a relative atomic percentage of oxygen atoms ranged from 2 atom % to 12 atom %. The active metal particles are distributed on the carbon black support. Each of the active metal particles includes rhodium metal and rhodium oxide. A method for manufacturing the catalyst and a method for hydrogenating an aromatic epoxy compound are also provided herein.

Abstract: A catalyst includes a carbon black support and active metal particles. A surface of the carbon black support has a relative atomic percentage of oxygen atoms ranged from 2 atom % to 12 atom %. The active metal particles are distributed on the carbon black support. Each of the active metal particles includes rhodium metal and rhodium oxide. A method for manufacturing the catalyst and a method for hydrogenating an aromatic epoxy compound are also provided herein.

Abstract: A carbon dioxide absorbent composition is disclosed. Based on 100 parts by weight of the carbon dioxide absorbent composition, the carbon dioxide absorbent composition includes 5 to 45 parts by weight of sodium 2-[(2-aminoethyl)amino]ethanesulfonate. Moreover, a method for capturing carbon dioxide using the carbon dioxide absorbent composition is disclosed.

Abstract: A method for purifying polybutylene terephthalate (PBT) includes: providing or receiving initial PBT, in which oligomers and tetrahydrofuran are present; dissolving the initial PBT in hexafluoroisopropanol (HFIP) to form a solution, in which the oligomers are also dissolved in the HFIP; and contacting the solution with compressed CO2 at a temperature and a pressure, thereby precipitating the purified PBT, resulting from a large portion of the oligomers are still dissolved in the HFIP, in the operation the temperature is in a range of 20° C. to 35° C., and the pressure is in a range of 900 psi to 1400 psi. A device for purifying PBT is also provided.

Abstract: Provided herein is a method for absorbing CO2 from a gas mixture. The method includes using an apparatus comprised of a first RPB unit and a second RPB unit. The first RPB unit and the second RPB unit are arranged to absorb CO2 in a first gas stream and a second gas stream, respectively. A liquid CO2-absorbent is supplied sequentially passing through the first RPB unit and the second RPB unit to absorb CO2 in the first gas stream and the second gas stream. The liquid CO2-absorbent is regenerated to produce a regenerated CO2-absorbent. The regenerated CO2-absorbent is transported to the first RPB unit.

Abstract: A conductive ink is provided. The conductive ink includes a precursor, a reducing agent, and a protective agent, and the precursor includes copper isostearate (Cu(C18H36O2)2), wherein based on the total weight of the conductive ink, the content of the precursor is 40 wt % to 75 wt %, the content of the reducing agent is 20 wt % to 32 wt %, and the content of the protective agent is 5 wt % to 40 wt %.

Abstract: A method for purifying polybutylene terephthalate (PBT) includes: providing or receiving initial PBT, in which oligomers and tetrahydrofuran are present; dissolving the initial PBT in hexafluoroisopropanol (HFIP) to form a solution, in which the oligomers are also dissolved in the HFIP; and contacting the solution with compressed CO2 at a temperature and a pressure, thereby precipitating the purified PBT, resulting from a large portion of the oligomers are still dissolved in the HFIP, in the operation the temperature is in a range of 20° C. to 35° C., and the pressure is in a range of 900 psi to 1400 psi. A device for purifying PBT is also provided.

Abstract: Provided herein is a method for absorbing CO2 from a gas mixture. The method includes using an apparatus comprised of a first RPB unit and a second RPB unit. The first RPB unit and the second RPB unit are arranged to absorb CO2 in a first gas stream and a second gas stream, respectively. A liquid CO2-absorbent is supplied sequentially passing through the first RPB unit and the second RPB unit to absorb CO2 in the first gas stream and the second gas stream. The liquid CO2-absorbent is regenerated to produce a regenerated CO2-absorbent. The regenerated CO2-absorbent is transported to the first RPB unit.

Abstract: A carbon dioxide absorbent composition is disclosed. Based on 100 parts by weight of the carbon dioxide absorbent composition, the carbon dioxide absorbent composition includes 5 to 45 parts by weight of sodium 2-[(2-aminoethyl)amino]ethanesulfonate. Moreover, a method for capturing carbon dioxide using the carbon dioxide absorbent composition is disclosed.

Abstract: A method and an apparatus of extracting lipids from microalgae are provided. In the method, pressurized carbon dioxide (CO2) is dissolved in a liquid alcohol to form a CO2-expanded alcohol solution at a pressure of about 400-1500 psi and a temperature of about 30-65° C. Next, the CO2-expanded alcohol solution contacts microalgae to extract the lipids from the microalgae. A method and an apparatus of preparing fatty acid esters from microalgae are disclosed as well.

Abstract: A method for pretreating a wood dust includes conducting a structurally damaged step and an alkali treatment step. In the structurally damaged step, the wood dust is disposed in a scCO2 atmosphere with a pressure of 2600 psi to 3400 psi at a temperature of 40° C. to 120° C. for a predetermined time, and then the pressure is adjusted to drop to an atmospheric pressure in a sudden manner to obtain a structurally damaged wood dust. In the alkali treatment step, the structurally damaged wood dust is immersed in an alkaline H2O2 solution at a temperature of 50° C. to 70° C., a concentration of H2O2 in the alkaline hydrogen peroxide solution is in a range of 0.1 wt % to 2.1 wt %, and a pH value of the alkaline H2O2 solution is in a range of 10.5 to 12. Thus a treated wood dust is obtained.

Abstract: Provided herein is an apparatus for absorbing a component from a gas mixture. The apparatus includes a first rotating packed (RPB) and a second RPB. The first RPB and the second RPB are arranged to respectively process a first gas stream and a second gas stream containing the component. A liquid absorbent sequentially passes through the first RPB and the second RPB to absorb the component in the first gas stream and a second gas stream.

Abstract: The present invention discloses a method of applying electric arc furnace dust in chemical looping combustion process, and particularly a method of applying electric arc furnace dust in chemical looping combustion process without releasing of zinc vapor. The method of applying electric arc furnace dust in chemical looping combustion process comprises following steps: (1) providing an electric arc furnace dust and an inert support (Al2O3) and mixing the electric arc furnace dust and the inert support (Al2O3) to obtain a mixture of the electric arc furnace dust and the inert support (Al2O3); (2) calcining the mixture of the electric arc furnace dust and the inert support (Al2O3) with high temperature to obtain another mixture of Fe2O3, ZnAl2O4, and Al2O3; (3) applying the mixture of Fe2O3, ZnAl2O4, and Al2O3 as oxygen carrier and inert support in a chemical looping combustion process.

Abstract: A method of manufacturing of a polymer composite includes the steps of (1) putting a nanofiller and a polymer material in a high-pressure device and eliminating air therefrom; (2) providing a gas in the high-pressure device and performing a heating and blending process on the nanofiller and the polymer material at a first pressure and a first temperature; (3) changing the pressure and temperature of the high-pressure device to a second pressure and a second temperature to thereby obtain a polymer composite; and (4) performing a degassing process on the polymer composite. Accordingly, the method is effective in manufacturing a polymer composite which includes a uniformly dispersed nanofiller.

Abstract: A method and an apparatus of extracting lipids from microalgae are provided. In the method, pressurized carbon dioxide (CO2) is dissolved in a liquid alcohol to form a CO2-expanded alcohol solution at a pressure of about 400-1500 psi and a temperature of about 30-65° C. Next, the CO2-expanded alcohol solution contacts microalgae to extract the lipids from the microalgae. A method and an apparatus of preparing fatty acid esters from microalgae are disclosed as well.

Abstract: The present invention discloses a carbon dioxide (CO2) absorbing agent, a CO2 capture system and a method of slowing down the degradation of the CO2 absorbing agent. More specifically, by adding additives of inorganic salts to the CO2 absorbing agent to act as an oxygen inhibitor, the dissolved oxygen value thereof would be decreased so as to slow down the degradation of the CO2 absorbing agent.

Abstract: The present invention discloses a method of applying electric arc furnace dust in chemical looping combustion process, and particularly a method of applying electric arc furnace dust in chemical looping combustion process without releasing of zinc vapor. The method of applying electric arc furnace dust in chemical looping combustion process comprises following steps: (1) providing an electric arc furnace dust and an inert support (Al2O3) and mixing the electric arc furnace dust and the inert support (Al2O3) to obtain a mixture of the electric arc furnace dust and the inert support (Al2O3); (2) calcining the mixture of the electric arc furnace dust and the inert support (Al2O3) with high temperature to obtain another mixture of Fe2O3, ZnAl2O4, and Al2O3; (3) applying the mixture of Fe2O3, ZnAl2O4, and Al2O3 as oxygen carrier and inert support in a chemical looping combustion process.

Abstract: An atmospheric pressure plasma jet device for converting carbon dioxide into organic products by using an atmospheric pressure plasma technique, comprising: an inner electrode made of a conductive metal, and having an insulating layer covering a portion of the inner electrode; a first conductive metal wall surrounding the inner electrode with a predetermined distance apart, such that a cavity is formed between the inner electrode and the first conductive metal wall, and a through hole is formed on a side of the first conductive metal wall, such that a reactant can flow into the cavity; and a diffusing unit including an insulating component and a conductive metal component. Wherein the insulating component is disposed on a side of the insulating layer, and covers another portion of the inner electrode. The conductive metal component further covers the insulating component.

Abstract: Hydrophobic metal nanoparticles are prepared by reducing a metal precursor in a non-polar or low polar organic solvent with or without volume expansion by adding CO2.

Abstract: A Fe—Ni compound oxide is used as an oxygen carrier for chemical looping combustion process, wherein the structure of the Fe—Ni compound oxide is a single-phase spinel structure. The method for manufacturing the Fe—Ni compound oxide of the invention includes the following steps: mixing Fe2O3 and NiO to obtain a mixing solution and ball milling the mixing solution by the solid state ball milling method; drying the mixing solution to obtain a precipitate; granulating the precipitate and then calcining the granulated precipitate to obtain the Fe—Ni compound oxide. Accordingly, the Fe—Ni compound oxide manufactured by the method of the invention is provided with high oxidation rate and high reduction rate, and capable of keeping loops and producing hydrogen gas.