88 results about "Increased carbon dioxide" patented technology

A molten carbonate fuel cell, operating method of the fuel cell, sintering furnace equipped with the fuel cell, and power generator, wherein a cathode gas with a high carbon dioxide concentration can be obtained without a process of increasing the carbon dioxide concentration, and the heat of furnace exhaust gas can be effectively reclaimed and the fuel consumption can be reduced. The cathode gas is a gas containing a furnace exhaust gas discharged from an industrial furnace for heating materials, a mixed gas of the furnace exhaust gas and a gas for cathode use or a preheated gas for cathode use, which is a gas for cathode use preheated using the furnace exhaust gas as a heating source, or the preheated gas for cathode use, and the carbon dioxide concentration of the cathode gas is 0.1-50 vol %.

The invention relates to a process for removing an acid gas with a low-temperature methanol solution, solving the problem that a low-temperature rectisol plant enriches ammonia and has lower recovery rate of CO2, lower concentration of H2S in acid gases and large solution circulating volume in the traditional process. The process comprises feed gas preprocessing, desulfuration and decarbonization by an absorption tower, CO2 analysis and gas stripping and hydrogen sulfide concentration by a desorber, regeneration by a heat regenerator and deficient methanol separation by a methanol/water separation tower, wherein the feed gas is conveyed into an ammonia scrubber for deamination and preprocessing. The process can reduce the ammonia enrichment in the low-temperature rectisol plant, increase the recovery rate of CO2, improve the concentration of H2S in acid gases, reduce the circulating volume of the solution and ensure the quality of purified gas products.

The present invention discloses a method and an apparatus for reactivating lime-based sorbents and increasing the carbon dioxide-capture capacity of the sorbent in the combustion of carbon-containing fuels. The method of the present invention seeks to increase the carbon dioxide capture capacity of lime-based sorbents by applying concentrated or 100% carbon dioxide directly to a lime-based sorbent. Optionally, the lime-based sorbent may be pretreated using a hydration process after each process of carbon dioxide separation. The regenerated sorbent is carbonated in a presence of concentrated carbon dioxide and elevated temperatures. The invention is useful in reducing the need to add additional sorbent to maintain the carbonation/calcination cycle. The regenerative potential of the sorbent as manifested by the present invention leads to increased carbon dioxide-capture capacity of the sorbent.

In order to improve increase of carbon dioxide gas recovery efficiency and saving costs and then to contribute to global environmental protection, in a carbon dioxide gas absorption chamber of a carbon dioxide gas recovery apparatus whose cross-section is square and in which horizontal gas flow passage is formed by providing an exhaust gas introducing opening in one side and an exhaust gas discharging opening in an opposite side thereof, a simple constitution without a support plate or a re-distributor is formed by using specific filler, in addition, a packed bed with a large surface area and a high efficiency can be formed, a negative effect due to reaction heat is lost by providing heat exchanger devices in this packed bed, absorbing ability of the carbon dioxide gas is increased by circulating the absorbing solution in the divided packed bed a plurality of times in series, corrosion resistance of the device is increased by downsizing the packed bed and the device for distributing carbon dioxide gas absorbing solution, and the concentration of the carbon dioxide gas absorbing solution is increased, so that energy-saving and reducing-costs can be achieved.

A method and system for protection against natural temperature-dependent dangerous phenomena connected with huge streams mainly water, mud, locust. The method allows weakening these streams and allows protecting against these dangers at least at of the first two stages of development of said phenomena: forming these masses and their moving, as far as possible. The method allows protecting ecology and increasing CO2 absorption. The system allows also transporting the electrical energy that is received from solar radiation with help of solar cells flying in stratosphere to ground-based reception stations.

The invention relates to a preparation method of a liquid carbon dioxide thickening agent for unconventional oil and gas reservoir development, and can solve the problem of damage to an oil and gas reservoir in a conventional mining mode. The preparation method has the technical scheme that methylbenzene and water are added into a bottle; then, serinol is added; terbutyloxycarbonyl anhydride is dropwise added at 0 DEG C; reaction is performed for 4h at 25 DEG C; distillation is performed to obtain an intermediate product (1); then, perfluoro caprylic acid is added into another bottle; thionyl chloride and N,N-dimethyl formamide are added at 75 DEG C; reaction is performed for 2h; distillation is performed to obtain an intermediate product (2); next, the intermediate product (1) is added into another bottle; the temperature is raised to 75 DEG C; the intermediate product (2) is dropwise added; reaction is performed for 12h at 75 DEG C to obtain an intermediate product (3); finally, dichloromethane and trifluoroacetic acid are added into the bottle; then, the intermediate product (3) is added; reaction is performed for 2h at 25 DEG C; after extraction and vacuum drying, hexamethylene diisocyanate is added to perform reaction for 2 minutes; a final product is obtained. The thickening agent can increase the carbon dioxide viscosity, and can be used for fracturing reformation.

The invention provides a culture method for pleurotus geesteranus, and relates to a technology of applying the stems of shiitake mushroom to pleurotus geesteranus culture. Compared with the prior art, the method has the advantages that 1, the shiitake mushroom stems soaking solution is a pure natural nutritional solution containing various types of bioactive substances; the shiitake mushroom stems soaking solution and the culture materials are agitated and stacked and fermented, and the fermented materials can prompt the growth of hypha of pleurotus geesteranus, namely, hypha grows well and is high in deformity resistance rate; 2, the shiitake mushroom stems soaking solution can rejuvenate the hypha well after picking the second flush, which prompts the formation of primordium of pleurotus geesteranus as well as the growth of the entity; the third flush and the fourth flush are high in biological efficiency; 3, the problem that the quality of pleurotus geesteranus is lowered down due to chemical synthesized fertilizer used for a long term is solved, thus the quality of pleurotus geesteranus is improved, and meanwhile the output is increased; the total biological efficiency is raised by 35% by being compared with that of the control group; 4, fuel used for sterilizing at high temperature is saved, so that the energy is saved, and the shortage that the emission of carbon dioxide generated in traditional production of edible mushrooms is increased can be removed.

The invention provides a photobioreactor for a raceway pond. The photobioreactor comprises the raceway pond (1), a variable-speed stirring system, a carbon dioxide supply system (4) and a ground temperature control system. Compared with the prior art, the photobioreactor has the advantages that firstly, a variable hydraulic stirring system is introduced into the reactor, so as to be suitable for cultivation of microalgae with different mechanical resistance types; secondly, compared with the traditional motor, one hydraulic stirring system can drive multiple raceway ponds to realize large-scale application, so that the investment cost and the operating energy consumption can be greatly reduced; thirdly, the reactor is additionally provided with the carbon dioxide supply system and a gas refining device is arranged at the tail end of the carbon dioxide supply system, therefore, the detention time of carbon dioxide in water is prolonged and the utilization rate of the carbon dioxide by microalgae is improved; fourthly, a plastic film is arranged at the top of the raceway pond, so that the external pollution probability is reduced; and fifthly, the novel cyclic temperature control system is adopted, so that the cultivation time of the microalgae in winter and summer is prolonged and the energy consumption of the reactor is reduced.

The invention provides a culture method for pleurotus eryngii, and relates to a technology of applying the stems of shiitake mushroom to pleurotus eryngii culture. Compared with the prior art, the method has the advantages that 1, the shiitake mushroom stems soaking solution is a pure natural nutritional solution containing various types of bioactive substances; the culture materials and the shiitake mushroom stems soaking solution are stacked and fermented to prompt the growth of hypha of pleurotus eryngii, namely, hypha grows well and is high in deformity resistance rate; 2, the shiitake mushroom stems soaking solution can rejuvenate the hypha after picking the first flush, which prompts the formation of primordium of pleurotus eryngii as well as the growth of the entity; the second flush and the second flush are large in size, high in quality and high in biological efficiency; 3, the problem that the quality of pleurotus eryngii is lowered down due to chemical synthesized fertilizer used for a long term is solved, thus the quality of pleurotus eryngii is improved, and meanwhile the output is increased; the total biological efficiency is raised by 40% by being compared with that of the control group; 4, fuel used for sterilizing at high temperature is saved, so that the energy is saved, and the shortage that the emission of carbon dioxide generated in traditional production of edible mushrooms is increased can be removed.

The invention provides a pleurotus eryngii ridge-up bed raw material soil-covering cultivation technology, wherein biogas slurry mixing material is used as cultivation material, potassium permanganate is added for sterilization, and the water content of the cultivation material is 63%-65%. The invention further includes an operating method of raw material cultivation. Compared with cooked material cultivation, the pleurotus eryngii ridge-up bed raw material soil-covering cultivation technology has the advantages that due to the fact that the biogas slurry contains active substances, resistance substances and nutritional substances, mycelial growth of pleurotus eryngii is in a dominant position all the time, mycelia is vigorous in growth and high in abnormity-resistant rate, and the cultivation success rate is up to 100%; a production cycle is shortened, pleurotus eryngii product quality is improved, and the yield is increased by once in comparison with the cooked material cultivation; fuel needed by high-temperature sterilization is saved, a large amount of energy is saved, and the defects that in traditional edible mushroom production, the ecological environment is destroyed, and carbon dioxide release is increased are overcome.

Disclosed is a starting method for a molten carbonate fuel cell stack. The starting method specifically comprises the steps of (1) working out required air flow according to the value of power of the cell stack; (2) heating the cell stack at the heating rate of not greater than 5 DEG C/min; (3) from the room temperature to 200 DEG C, pumping set air amount from the negative electrode side of the cell stack, and ensuring that the sealing surface of the cell stack has 20-30% of gas leakage amount; (4) from 200 DEG C to 450 DEG C, increasing carbon dioxide on the negative electrode side of the cell stack, wherein the gas amount is half of the air flow; when the temperature reaches 450 DEG C, ensuring that the sealing surface has no gas leakage; (5) from 450 DEG C to 550 DEG C, closing negative electrode air inlet, and performing a salt dissolving stage on the cell stack; (6) from 550 DEG C to 650 DEG C, pumping nitrogen to the positive electrode to restore an electrode; and (7) when the temperature reaches 650 DEG C, pumping air and carbon dioxide to the negative electrode to perform discharging performance test. By virtue of the starting method, the risk of carbon accumulation in the high-power molten carbonate fuel cell stack in a roasting process can be effectively lowered, and success rate of stably outputting power of the cell stack is effectively improved.

The invention relates to a carbon dioxide thickening method and system. The system comprises a cosolvent, a surfactant and a polymer solvent and can be used for increasing the apparent viscosity of carbon dioxide (CO2) at liquid state and super-critical state, wherein the cosolvent is composed of an aliphatic hydrocarbon organic solvent and an alcohol organic solvent. The tackifying effect can be maximized by way of combining direct tackifying and cosolvent tackifying. When used in the process of thickening carbon dioxide, the whole carbon dioxide thickening system is of a single phase with the viscosity up to 1.38mPa.s at room temperature when CO2 is higher than critical pressure (6.0MPa); the thickening system is low in the price of raw materials, convenient to implement, and applicable to fracturing improvement of large-scale unconventional oil-gas reservoirs.

The invention provides a solar photo-thermal carbon dioxide Brayton cycle system of an ORC intercooling compressor. The solar photo-thermal carbon dioxide Brayton cycle system of the ORC intercoolingcompressor comprises a solar fused salt heat absorption system, a carbon dioxide transcritical Brayton cycle system with compressor intercooling, and an ORC cycle cooling system used for compressor intercooling and energy recovery. The front end of the carbon dioxide transcritical Brayton cycle system is connected with the solar fused salt heat absorption system; and the rear end of the carbon dioxide transcritical Brayton cycle system is connected with the ORC cycle cooling system. According to the solar photo-thermal carbon dioxide Brayton cycle system of the ORC intercooling compressor provided by the invention, on one hand, the enthalpy drop of a carbon dioxide turbine can be greatly increased so as to improve the molten salt utilization rate of a solar photo-thermal power generation system, and on the other hand, the pinch point heat exchange problem is avoided; and meanwhile, the system efficiency is higher than the efficiency of split-flow recompressor type supercritical carbondioxide circulation, and the structure is more compact.

For supplying a sink with liquid carbon dioxide with a required temperature of more than 0° C. and with a required pressure of more than 30 bar, liquid carbon dioxide is taken from a tank, in which it has been stored at a temperature below the required temperature and at a pressure below the required pressure. The pressure of the carbon dioxide is increased and then the carbon dioxide is heated to the required temperature.

The invention discloses a coprinus comatus cultivation method which refers to a technology of applying mushroom roots into coprinus comatus cultivation. Compared with the prior art, the coprinus comatus cultivation method disclosed by the invention has the advantages that 1, a mushroom root leaching solution refers to a pure natural nutrient solution and contains bioactive substances of rich varieties, the mushroom root soaking materials and cultivation raw materials are blended for performing stacking fermentation, the fermentation effect can be improved, and the fermented material has an effect of promoting growth of coprinus comatus mycelium, thereby guaranteeing strong mycelium growth vigor and high infectious microbe capacity; 2, after the mushrooms are harvested, the mycelium renovation effect is good by using the mushroom root leaching solution, the leaching solution has the effects of promoting coprinus comatus primordium formation and growth of sporocarp, the yield can be obviously improved, the problem that the quality of coprinus comatus is reduced because insecticides, bactericides and chemically synthetic fertilizers are used for a long time is solved, and the quality of the coprinus comatus is improved; and 3, fuel needed by high temperature sterilization is omitted, energy is saved, and the defect that carbon dioxide emission is increased during traditional edible mushroom production is overcome.

A method is provided for reducing the risk of sustaining a traumatic brain injury caused by a traumatic event that includes identifying a subject at risk of sustaining a traumatic brain injury, and then precisely increasing the partial pressure of carbon-dioxide (CO₂) in the blood of the subject (pCO₂). This method can be applied to raise the CO₂ and pCO₂ to improve orthostatic hypotension in conditions such as dysautonomias (like Positional Orthostatic Tachycardic Syndrome POTS) and to facilitate the drive to breathe in conditions like Central Sleep Apnea (CSA) and Sudden Infant Death Syndrome (SIDS). The pCO₂ of the person is increased by placing a breathing apparatus over the mouth of the person through which the person must breath, wherein the breathing apparatus includes an enlarged dead space volume in which expired CO₂ collects to be inhaled or re-breathed by the person on the next inhalation.

A system for cleaning a carbon dioxide gas stream of water soluble contaminants with improved recovery of carbon dioxide wherein the water soluble contaminants are removed into countercurrently flowing water which undergoes at least one pressure reduction step releasing absorbed carbon dioxide for recapture and recycle into the carbon dioxide gas stream.

The invention provides a dunaliella salina non-destructive circulating culture device. The dunaliella salina non-destructive circulating culture device comprises a liquid level difference airlift reactor combining negative pressure and positive pressure and a photobioreactor communicated with the upper end and the lower end of the airlift reactor; bypass circulation is added to the airlift reactor, and the size or opening and closing of a valve can be independently controlled according to the concentration of dissolved oxygen in the device; and in addition, a carbon dioxide supplementing device is additionally arranged and is structurally separated from a dissolved oxygen analysis mechanism. A jet device is adopted to introduce disinfection compressed air, the rising of dunaliella salina liquid is promoted to realize non-destructive circulation; a carbon dioxide supplementing module and a dissolved oxygen analysis module are physically isolated, bypass circulation flow and circulation time can be adjusted by the bypass circulation according to the dissolved oxygen value in an exchange column, the utilization efficiency of carbon dioxide is improved, and further, photosynthesis of dunaliella salina cells is promoted, so that the biological yield is increased, and finally, the artificial controllability of brine culture of dunaliella salina is realized.

The invention discloses a composite membrane filter material structure and a window type draught fan system. The composite membrane filter material structure comprises a framework material and an eFTFE membrane compounded on the framework material. The window type draught fan system comprises a shell, a filter assembly and a draught fan. The filter assembly and the draught fan are arranged in the shell, and need-to-be-purified air sequentially passes through the filter assembly and the draught fan from the outside of a room and then enters the room. The filter assembly comprises a crude filter material structure and the composite membrane filter material structure. By the adoption of an efficient nanometer membrane filtration technology, the outdoor air is turned into fresh air, the fresh air is slowly introduced into windows, and the indoor air is clean while the content of carbon dioxide is not increased. Moreover, the 4MTMePTFE membrane serves as the core filter material, the defects that an existing filter material is greatly affected by the environment, needs to be continually changed and poor in one-time interception effect can be completely overcome, the composite membrane filter material structure can be unaffected by environmental conditions and used for a long term, and the efficiency of one-time interception of PM2.5 particles can reach 99% or above.

The invention has for its object to provide a heat-shrinkable laminated film for deep drawing, which has an increased carbon dioxide transmission rate (CO₂TR) and an enhanced ratio (CO₂TR/O₂TR) of carbon dioxide transmission rate-to-oxygen transmission rate (O₂TR), and is less susceptible to pinholes. In the inventive heat-shrinkable laminated film for deep drawing, a polyamide resin composition layer (a) containing a polyamide resin mixture comprising 60 to 95% by mass of an aliphatic polyamide resin (A) and 5 to 40% by mass of a polyamide base resin (B) having a heat of crystalline fusion of 5 to 40 J/g is laminated onto a heat-sealing resin layer (a) containing a polyolefin resin via an adhesive resin layer (b).

The invention provides a preparation method of a self-supporting electrode material. The preparation method comprises the steps that foamy copper is soaked in an SnCl4.5H2O solution with the first preset concentration; an SnCl4.5H2O solution with the second preset concentration is mixed with a strong alkaline solution with the preset concentration, a surface active agent of preset mass is added, and accordingly a mixed solution is obtained; the soaked foamy copper is placed into the mixed solution to be subjected to a hydrothermal reaction, and accordingly a composite material is obtained; anSnCl2.2H2O ethanol solution with the preset concentration is prepared, and the composite material is added into the solution for soaking; and under preset temperature, the soaked composite material isplaced into a precious metal salt solution with the preset concentration for a reaction, and accordingly the electrode material is obtained. A catalyst for electrocatalytic reduction of carbon dioxide is improved from the aspects of structure and morphology, the foamy copper is selected as a self-supporting framework and loaded with tin oxide and gold to be directly applied to the electrode material, the preparation process is simple and short, active sites of carbon dioxide are increased, the carbon dioxide transformation efficiency is improved, and the hydrogen evolution electric potentialis lowered.

The invention belongs to the technical field of electronic products and particularly provides an air conditioner with an indoor carbon dioxide concentration monitoring function. The air conditioner comprises an indoor unit enclosure and an internal power source circuit, a carbon dioxide concentration detector and a prompting device are arranged on the indoor unit enclosure, and a control module is arranged in the indoor unit enclosure. The carbon dioxide concentration detector is connected with the internal power source circuit and the control module respectively, and the prompting device is connected with the control module. A carbon dioxide centration monitoring and alarming device is added on a conventional air conditioner, the problem that human health is affected due to indoor oxygen induction without ventilation after long-term use of the air conditioner is solved, indoor oxygen concentration level is judged by detecting indoor carbon dioxide concentration, and when the carbon dioxide concentration is high, people are reminded to ventilate indoors by alarm and thus health of people is promoted.