30 results about "Carbon dioxide binding" patented technology

The present invention is directed to methods for removing carbon dioxide from air, which comprises exposing solvent covered surfaces to air streams where the airflow is kept laminar, or close to the laminar regime. The invention also provides for an apparatus, which is a laminar scrubber, comprising solvent covered surfaces situated such that they can be exposed to air stream. In another aspect, the invention provides a method and apparatus for separating carbon dioxide (CO₂) bound in a solvent. The invention is particularly useful in processing hydroxide solvents containing CO₂ captured from air.

An object of the invention is to provide an injection molding process for preparing thermoplastic resin molded articles and an injection molding apparatus for use in practicing this process, the process and the apparatus being adapted to supply a blowing agent, especially a nonreactive gas such as carbon dioxide or nitrogen gas, to a thermoplastic resin continuously at a relatively low pressure with good stability to incorporate the agent or gas into the resin. As shown in FIG. 3, a resin in a cylinder (2) of an injection molding machine (1) as melted by rotating a screw (3) is mixed and dissolves carbon dioxide which is supplied to the molten resin from a gas supply opening (5) formed in the screw (3). An amount of the gas-incorporating molten resin is measured out and injected into a mold cavity to obtain an expansion-molded article. To incorporate carbon dioxide into the molten resin, the gas is supplied from a gas inlet (11) formed in a rear end portion of the screw to a portion (4a) not fed with the resin and positioned between front and rear screw flights and closer to the front flight, through a gas supply channel 6 extending through the screw and via the supply opening (5).

The invention is a method for attracting mosquitoes by producing a volatilized acid by combining an acid precursor with water to produce the humidified vapor acid attractant, preferably hydrogen chloride. The humidified volatilized acid can be further combined with carbon dioxide, or carbon dioxide can be simultaneously produced to attract mosquitoes. The acid precursor can be a hydrate of ferric chloride, such as ferric chloride hexahydrate. The acid precursor can be impregnated in a carrier, and can be combined with water through exposure to water vapor in the atmosphere, the intentional addition of water, or water produced by a chemical reaction.

The invention discloses a reagent freeze-dried microsphere for detecting concentrated carbon dioxide binding force and a preparation method of the reagent freeze-dried microsphere. The reagent freeze-dried microsphere comprises a buffer solution, carbonic anhydrase, phenol red, bromothymol blue, a preservative, trehalose, polyethylene glycol, TrionX-100 and the like. The preparation process of the reagent freeze-dried microsphere mainly comprises the following steps: (1) preparing a solution, filtering and degassing; (2) preparing microdroplets by using an accurate quantifying liquid separation system, and dropping the microdroplets into liquid nitrogen to prepare frozen spheres; and (3) transferring the frozen spheres to a freeze dryer to freeze and dry, thereby obtaining the freeze-dried reagent microsphere. A reagent for detecting carbon dioxide binding force disclosed by the invention is a spherical particle freeze-dried reagent, and can be pre-packaged into a detection chip. Compared with an existing liquid detection reagent, the reagent has the advantages that stable preservation and transportation at room temperature can be achieved; and compared with a freeze-dried powder reagent, the reagent has the advantages of being accurate to quantify, convenient to package and the like, and can be suitable for a POCT biochemical analyzer introducing a microfluidic chip technology.

A bathing agent in thermal spring and preparation thereof are composed of (by weight) 3-25 % of sodium hydroxide, 3-25 % of sodium silicate, 3-25 % of potassium hydroxide, 2-25 % of sodium bicarbonate, 11-55 % of sublimed sulfur, 0.5-6 % of essential oil which is one or more than one kinds of lemon, jasmine, lavandula angustifolia, mint, sweet osmanthus etc. The process is that, 3-25 % of sodium hydroxide, sodium silicate, potassium hydroxide are added with 2.75-13.75 % of sublimed sulfur, mixed and reacted to molten state at 60-180 degree centigrade, then added with 0.5-6 % of essential oil and 8.25-41.25 % of sublimed sulfur, stirred to form grain or block, pressed into tablet. When dissolved in water, said bathing agent can combine with oxygen and carbon dioxide in water and air to resolve sodium hyposulfite, carbonate, sulfate etc. with function of skin beautifying, dissipating fatigue, and relieving itching and steriling.

The invention discloses a method and a kit for detecting carbon dioxide bonding force. The detecting method comprises the following steps of: mixing a sample to be detected of carbon dioxide bonding force and detection solution, and performing reaction to obtain reaction solution, wherein the detection solution comprises Tris-HCl buffer solution with pH value of 4.8 to 5.2, sodium chloride, carbonic anhydrase and color development agent; and detecting the absorbance value of the reaction solution under the wavelength of 540 to 550 nanometers, and obtaining the carbon dioxide bonding force by calculating. In the detection process, the carbon dioxide in the sample to be detected generates bicarbonate radicals under the action of the carbonic anhydrase, so that the pH value of the reaction solution is raised, and the color development agent develops color; and the carbon dioxide bonding force is calculated by detecting the absorbance value of the reaction solution. Compared with the prior art, color development reaction is used, reductive coenzyme is not needed, and the detected carbon dioxide bonding force is accurate.

The invention discloses a renewable energy source combination power station and dual-purpose charging and gas filling power distribution network system. The system comprises a hydroelectric generation system, a wind power generation system, a solar power generation system and a biomass power generation system, wherein the generation systems output electric energy to an automobile charging station, and a power supply system is formed; solar energy collection devices of the solar power generation system are distributed in a reservoir and roofs of the other power generation systems; hydrogen produced by a wind and water electricity hydrogen production system is mixed with carbon dioxide and biogas so that the mixture can serve as a gas source which is provided for gas automobiles and civilian gas stations, and a gas source supply system is formed. The renewable energy source combination power station and dual-purpose charging and gas filling power distribution network system is reasonable in arrangement, carbon neutrality is improved through tree planting and the mode that gas generated through water power is combined with carbon dioxide exhausted by a breeding plant and a coal power plant; low-carbon electric power and haze-resistant energy internet, a low-carbon service area and a carbon neutrality methane factory are developed for environmentally-friendly coal power, recycling and low-carbon efficient hydropower and agriculture development, energy revolution is practiced, environmentally-friendly, recycling and low-carbon development is improved, the cost is low, and the effect is good.

The invention discloses a process for incinerating cotton linter black liquor and recycling alkaline by utilizing a heat conduction oil boiler, which belongs to the technical field of pulping waste water treatment. The process comprises the following steps: (a) cotton linter pumping black liquor with the mass concentration of about 6 percent from an extracting workshop section is heated, evaporated and thickened by a multiple-effect evaporator which takes cyclic heat conduction oil as a heat source till the mass concentration of the black liquor reaches 40-50 percent; (b) the thickened black liquor is sprayed into the heat conduction oil boiler for combustion, the heat energy is recovered by the heat conduction oil in a heating surface, and sodium carbonate generated by the combination of sodium hydroxide and carbon dioxide in the waste water is discharged out of the boiler; (c) the generated sodium carbonate is reduced into alkaline by adopting a hydrated lime causticizing method, and the alkaline resources are recycled for productive cycle and utilization. The process saves the construction funds by one third, saves energy by 30 percent and reduces the operation cost by 25 percent compared with the general alkaline recovery process, has high heat energy utilization ratio and zero CODcr index of discharged waste water and can thoroughly and effectively solve the pollution of cotton linter black liquor.

The present disclosure relates to a method for preparing metal nanoparticles, and particularly, to a method for preparing metal nanoparticles, the method including reacting a hydrazine-carbon dioxide binded compound with a metal oxide or a metal ion compound.

The invention relates to an icing bath tablet, which comprises the following components in percentage by weight: 5 to 10 percent of sodium hydroxide, 4 to 20 percent of sodium silicate, 6 to 15 percent of potassium hydroxide, 3 to 9 percent of sodium bicarbonate, 20 to 40 percent of sulfur, 0.5 to 6 percent of borneol, 0.5 to 3 percent of camphor and 0.5 to 2 percent of mint. The icing bath tablet is soluble in water and can be combined with oxygen and carbon dioxide in the air to be resolved into sodium thiosulfate, carbonate and sulfate to play a role in skin care, fatigue and itching relief and sterilization. The added borneol, icing camphor and mint provide the icing bath tablet with a cooling function, particularly a health care function during bathes in summer. Meanwhile, the icing bath tablet can remove metal ions or harmful substances on skins of bathers after bath. In addition, the icing bath tablet has the advantages of simple manufacture and convenient processing.

A method and apparatus to form and compress relatively pure carbon dioxide includes a syngas generator which forms syngas and directs it into a combustion chamber where it is combined with oxygen and combusted to form relatively pure carbon dioxide. A first portion of the formed carbon dioxide is directed to a compressor which is powered by an internal combustion engine. A second portion of the formed carbon dioxide is combined with oxygen and used in combination with a carbonaceous fuel to power the internal combustion engine. This produces exhaust gas which is relatively high purity carbon dioxide which is combined with the carbon dioxide formed by combusting the syngas.

A fuel conditioning system is applied to common rail direct injection or unit injector diesel engines. A liquid fuel is conditioned with gas for combustion in the combustion chambers. The system includes an elongate conditioning vessel, at least one fuel dispensing inlet, at least one carbon dioxide inlet port, and at least one conditioned fuel outlet port on the vessel. Carbon dioxide and diesel fuel are fed into the inlet portion of the vessel. The mixture travels a path of at least ten feet in the vessel to the outlet portion to cause the carbon dioxide gas to dissolve in the liquid fuel for forming a liquid/gas fuel solution. At least one high-pressure fuel pump feeds the liquid fuel/gas solution into fuel injectors.

A method for binding hazardous agricultural ammonia using organic carbon dioxide reduces ammonia emissions from farming operations producing livestock, such as cows, pigs, and poultry. The method entraps a quantity of agricultural ammonia within an ammonia solution by reacting the quantity of agricultural ammonia with a quantity of organic carbon dioxide within a primary reaction vessel. The quantity of agricultural ammonia is mixed with a quantity of organic carbon dioxide to form an ammonia-bound solution. The ammonia-bound solution is able to be stored or transported for use in future chemical processes.

Efficient laser diode excited Thulium (Tm) doped solid state systems, directly matched to a combination band pump transition of Carbon Dioxide (CO₂), have matured to the point that utilization of such in combination with CO₂ admits effectively a laser diode pumped CO₂ laser. The laser diode excited Tm solid state pump permits Continuous Wave (CW) or pulsed energy application. Appropriate optical pumping admits catalyzer free near indefinite gas lifetime courtesy of the absence of significant discharge driven dissociation and contamination. As a direct consequence of the preceding arbitrary multi isotopologue CO₂, symmetric and asymmetric, gas mixes may be utilized without significant degradation or departure from initial mix specifications. This would admit, at raised pressure, a system continuously tunable from ˜9 μm to ˜11.5 μm, or sub picosecond amplification. This methodology offers advantages in regards scalability, pulse energy and power over alternative non linear conversion techniques in access to this spectral region.

A method for reducing energy consumption and oxygen production of a medical shelter through a carbon dioxide absorption machine comprises the steps that the carbon dioxide absorption machine is arranged; a carbon dioxide sensor in the carbon dioxide absorption machine monitors the concentration of carbon dioxide in the cabin body in real time, and whether the carbon dioxide absorption machine is started to absorb carbon dioxide or not is determined according to the concentration of carbon dioxide, and the method comprises the steps that when the concentration of carbon dioxide exceeds 0.1%, the carbon dioxide absorption machine is started; soda lime in the carbon dioxide absorption tank is combined with carbon dioxide; and when the carbon dioxide concentration is lower than 0.5%, the carbon dioxide absorption device stops working. The carbon dioxide absorption machine is connected with the oxygen making unit and the air conditioning unit and works in a linkage mode, loss of heat and cold in the cabin, the working capacity of the air conditioning unit and the size and weight of the cabin body are reduced on the premise that the requirements for the capacity of the oxygen making unit and the capacity of the air conditioning unit are reduced, and the constant temperature range of the treatment state in the cabin is conveniently kept. The adaptability, the maneuverability and the application range of the cabin body to severe road conditions are improved.

The present invention relates to an acidic gas absorbent containing a glycerinester compound and an ethylene glycol compound, and to a composition for absorbing acidic gas comprising the same. Thus, an acidic gas absorbent and a composition for absorbing acidic gas comprising the same can be provided, wherein the acidic gas absorbent has an excellent carbon dioxide absorption ability, an excellentcarbon dioxide collection rate, excellent binding stability with carbon dioxide, less energy consumption for circulation quantity through low viscosity, and excellent economic feasibility, can improve energy efficiency of the integrated gasification combined cycle, can save the power cost for an acidic gas collection process, and can use a wetting process and a physical reaction.

The present invention relates to a method for regenerating an acid gas absorbent using Ag₂O and Ag₂CO₃ mixed catalyst in an acid gas absorbent regeneration process in an acid gas capture process using an amine absorbent absorbing acid gas. Regeneration method of carbon dioxide absorbent using Ag₂O and Ag₂CO₃ mixed catalyst of the present invention promotes the decomposition of carbon dioxide-bound carbamate from the carbon dioxide-absorbed absorbent of Ag₂O and Ag₂CO₃ mixed catalysts through a novel catalytic reaction pathway to remove efficiently.