263 results about "Economic feasibility" patented technology

A quantity of solution sufficient to dissolve a pH controlling substance and/or substantially dissolve a surfactant without substantial excess solution is controlled under a set of time and temperature conditions to transform an inorganic material having long-range crystallinity to a mesostructure having long-range crystallinity. The method employs concentrated conditions that have a consistency similar to a thick slurry. The economic viability of scaling up such thick slurry methods is improved relative to prior more dilute methods of transforming an inorganic material to a mesostructure.

The invention discloses a microalga photosynthetic aerobic high-density fermentation culture method utilizing an inorganic nitrogen source and an application. The invention relates to a microalga high-density fermentation culture method utilizing the inorganic nitrogen source, wherein photosynthetic aerobic culture is performed in a culture medium in which inorganic nitrogen salt is taken as the inorganic nitrogen source and glucose is taken as an organic carbon source; glucose, inorganic nitrogen salt and other nutrient salts are segmentally replenished according to consumption of the nitrogen source and carbon source of the culture medium and the biomass growth condition; the concentration of the nutrient salts, pH value, ventilatory capacity, light intensity and alga liquid stirring speed are reasonably regulated, so that microalgae can be rapidly proliferated in a short time, the culture time is shortened, high-density growth of the microalgae is guaranteed, rapid growth of the biomass of microalga cells is realized, and high-efficiency absorption and assimilation of inorganic nitrogen are realized. The method disclosed by the invention is suitable for high-density photosynthetic aerobic fermentation production of the microalgae by utilizing the inorganic nitrogen salt as a nitrogen source, and the method lays the foundation of an economic feasibility research on environmental and ecological applications and bioenergy production of the microalgae.

A method of preparing transparent or nontransparent silica aerogel granules. The method includes forming a granular wet gel by spraying a silica sol into alcohol, the silica sol being prepared by mixing a water glass solution or an opacifier-containing water glass solution with an inorganic acid solution, forming a granular alcohol gel through gelation aging and solvent substitution of the granular wet gel in alcohol, hydrophobically modifying the surface of the granular alcohol gel using an organic silane compound, and drying the surface modified gel at ambient pressure or in a vacuum. The method may prepare silica aerogel granules in a short period of time through heat treatment at a relatively low temperature and at ambient pressure or in a vacuum, thereby ensuring excellent economic feasibility, continuity and reliability, suited for mass production.

A system and method of building a satellite communications network provides a customer-driven, modular and flexible approach to providing satellite communications services. The satellite network provider carves out a solution for a customer problem from a design space constrained by satellite size, lifetime and payload given a set of specifications from a customer. The satellite network provider may continually gauge the needs of the users of the system in order to adapt the network to the current and future needs of the customer(s). Further, the use of small satellites utilizing on-board functionality provides modularity while maintaining economic feasibility.

The present invention discloses a brin drying winding system for reeling machine. In the concrete, it relates to brin dryer, strand silk translation mechanism and single-end rereeling reel. The invented structure is characterized by that according to the running direction of strand silk produced by reeling cocoon in reeling water are successively set cocoon ends thrower, filament guide button, throwing machine and skein machine, denierer, tension buffer drum, positioning drum, brin dryer, strand translation mechanism, traverse drum on the traverse rod, single-end rereeling reel and rereeling reel brake wheel under the single-end rereeling reel.

The present invention relates to a reagent refrigerator which comprises a reagent refrigerator compartment including reagent storing trays; an upper housing a cooling equipment compartment and a cooling purification compartment; a side duct defined by a side partition having a through hole at the side of the reagent refrigerator; one each of a second side duct, separately defined by a side partition having a through hole at the other side thereof, and a rear duct, separately defined by a rear partition having a through hole at the rear side thereof; and an upper duct having one end communication with the upper portion of the second side or rear side, and the other end communicating with the cooling purification compartment. Accordingly, refrigeration temperature of the reagent refrigerator can be controlled, and circulation flow in the reagent refrigerator is improved, to thereby purify the air therein and minimize deviations from refrigerator temperature values. In addition, since the reagent refrigerator is based on a closed circulation type structure, impurities are prevented from being introduced to the reagent refrigerator to thereby increase the service life of the filter and reduce energy consumption. Moreover, even when the door of the reagent refrigerator is opened, negative pressure distribution in the reagent refrigerator is relatively even, thereby preventing the emission of noxious gas and an offensive smell from the reagent refrigerator compartment to the indoor space. More particularly, the reagent refrigerator may be modified to have a partial opening circulation structure without a heater to thereby prevent explosions and to perform a defrosting/dehumidifying operation so that safety and economic feasibility can be improved. In addition, the reagent refrigerator can be automatically controlled and the internal condition of the reagent refrigerator compartment can be monitored in real time. Furthermore, not only can on-site/real-time control be executed, but remote control as well.

The invention discloses a military aircraft reliability quantitative requirement demonstration method which comprises the following steps of: 1, determining a military aircraft reliability top parameter index; 2, decomposing the military aircraft reliability top parameter index; 3, determining a threshold value of a military aircraft reliability top parameter; 4, converting a military aircraft reliability using index into a contract index; 5, comprehensively balancing the military aircraft reliability top parameter index; and 6, analyzing the technical and economic feasibilities of the military aircraft reliability top parameter index. The military aircraft reliability quantitative requirement demonstration method which is accordant with the state of China and has high operability is provided for the determination of the military aircraft reliability top parameter, so that the military aircraft reliability quantitative requirement demonstration work is guided, the reliability level of a military aircraft is lifted, the demonstration process is standardized and programmed, and the demonstration result is scientific and reasonable.

A high-efficiency, small-scale, combined heat and power, concentrating solar energy system (200), designed specifically for residential and other relatively low-power applications, rendering it cost-effective and economically viable. Two-axis tracking of a dish-like reflector (10) of between 1 and 2 meters in aperture ensures very high concentrating ratios of between 200 and 8-suns or even higher. In consequence very high coolant outlet temperatures, of 120-180° C. may be reached at the outlet of the collector coolant, which may be oil, gas, or pressurized water. The high coolant temperatures are advantageous because they may be used for air-conditioning. The high concentration is advantageous because the efficiency of the photo_voltaic cells is improved with higher concentration. The overall efficiency is greater than 60%. Additionally, a simple but accurate drive, designed as a radio-dial drive (14), with substantially zero backlash, and substantially zero drive, is provided for driving the concentrating solar energy system. Preferably, two radio-dial drives are employed and tracking is performed along two axes, of an azimuth-elevation mount, a polar mount, or a cross mount.

One aspect of the present invention relates to a method for manufacturing false eyelashes, and the false eyelashes in which an false eyelash part and an attachment part are integrally formed by injection molding, wherein the method comprises the steps of: preparing a mold; preparing a thermoplastic elastomer resin; and injecting the thermoplastic elastomer resin into an injection molding machine on which the mold is mounted so as to perform injection molding. The method for manufacturing the false eyelashes of the present invention has excellent production and economic feasibility, the quality of the manufactured false eyelashes is uniform, and the false eyelashes manufactured by the manufacturing method have excellent shape stability, elasticity, and can be provided in various colors and designs.

The invention discloses a method for purifying mariculture wastewater by utilizing a compound microbial inoculant. The method comprises the following steps: (1) screening the compound microbial inoculant which consists of photosynthetic bacteria, nitrobacteria, denitrifying bacteria, candida utilis, lactobacillus acidophilus and bacillus; (2) activating the compound microbial inoculant by utilizing a culture medium: directly adding the strain into the culture medium based on 1% of inoculation amount (w/v), and activating the strain by a shaker at the temperature of 37 DEG C with the speed of 150rpm (revolution per minute) for 24 hours so that the total content of microbes is 7*10<8>-9*10<8>CFUs (colony forming units)/mL; and (3) adding the activated compound inoculant into the treated aquaculture wastewater, wherein the compound inoculant accounts for 0.06%-0.12% of the total weight of the aquaculture wastewater. The method has the advantages of no toxicity and harm on aquaculture animals, simple process, fast organic matter degradation speed, obvious effect, no drug residues and no secondary pollution. Therefore, the method has economic feasibility and is applicable to popularization and application to coastal aquaculture industry.

The invention relates to a method for purifying titanium white wastewater, which is characterized by comprising the following steps of: adding excess lime milk or carbide slag slurry, performing a neutralization reaction with stirring to obtain precipitate-containing wastewater, wherein the pH value of the wastewater is between 9 and 12; performing solid-liquid separation on the obtained precipitate-containing wastewater, adding sodium carbonate into filter liquor to perform a reaction for 30 to 50 minutes, and adding trisodium phosphate to perform a reaction, and decalcifying; adding sulfuric acid into the decalcified wastewater for reverse neutralization, and regulating the pH value to be between 6 and 9 to obtain purified water. The method has the characteristics of simple flow, no specific requirement on equipment, low consumption of raw materials and the like; and by the method, the treated wastewater can reach the technical standard of national recycling water, so that the wastewater is recycled to production departments, and for a large amount of the generated titanium white wastewater, the method solves the problem of high treatment cost, and has the technical and economic feasibility of industrial application.

The invention relates to environmental-friendly pigment bismuth yellow and a production method thereof. The production method is characterized by comprising the steps of: firstly placing solid bismuth into a mixed acid solution made of nitric acid and hydrochloric acid for soaking, then taking out for reacting with a nitric acid solution to obtain a bismuth nitrate solution; keeping the nitric acid in an excessive state, then mixing and dissolving ammonium metavanadate or ammonium metavanadate and ammonium molybdate into ammonia water to obtain a vanadium-containing or vanadium and molybdenum-containing ammonia water mixed solution; under the condition of continuously stirring, simultaneously adding the bismuth nitrate solution and the mixed solution into a reactor containing a dispersing agent and a bottom fluid to obtain a light yellow sediment; and washing, drying and pulverizing according to a conventional method, finally, calcining and sieving to obtain the environmental-friendly pigment bismuth yellow with uniform granularity. The invention has the advantages of easy control of process conditions, good product dispersity, fine and uniform granularity, good powder activity, wide source and high utilization ratio of raw materials and better economic feasibility.

Disclosed is a culture system for the production of algae biomass to obtain lipid, protein and carbohydrate. By integrating heterotrophic processes with a phototrophic process in parallel, this system provides year around production in colder climates. By integrating heterotrophic processes with a phototrophic process in series, this system creates a two-stage, separated mixed-trophic algal process that uses organic carbon and nutrients for the production of seed in the heterotrophic process, followed by release of cultured seed in large-scale phototrophic culture for cell biomass accumulation. Organic carbon source including waste materials can be used to feed the heterotrophic process. The production capacity ratio between the heterotrophic and the phototrophic processes can be adjusted according to season and according to the availability of related resources. The systems are used for producing and harvesting an algal biofuel feedstock as well as other potential high-value products. The sequence and approach enhances utilization of carbon and nutrient waste-streams, provides an effective method for controlling contamination, adds flexibility in regard to production and type of available products, and supplies greater economic viability due to maximized use of available growth surface areas.

This invention relates to a method for extracting valorized compounds from lignin by contacting lignins with an ionic liquid and/or a deep eutectic solvent and adding a catalyst and/or a biocatalyst to assist in breaking down the source material. Converting lignin into high value chemicals adds revenues for a bio-refinery and helps to improve the economic viability of biofuel production.

A modeling framework performs an economic analysis of a battery storage system to determine the economic feasibility with different business opportunities. The installed battery system can be utilized to optimize the energy flow between the wind farm and the utility. Several factors can be considered when performing the analysis, the most important being, how to determine the best optimal time to charge and discharge the battery to maximize economic benefit.

In the graphene manufacturing method, a graphite oxide is formed from graphite, and then the graphite oxide is treated with a hydrochloric acid. The hydrochloric acid-treated graphite oxide is reduced at temperature of 120° C. or above and 200° C. or below by performing thermal treatment thereto. Since a low-temperature process is used for manufacturing graphene by performing thermal treatment at a relatively low temperature for a short time, this method has great economic feasibility and utilization. Due to a simple composing process and low thermal treatment temperature, graphene may be mass-produced with a low price. In particular, the graphene may be used as a cathode material for a lithium secondary battery, which exhibits a high capacity at a high voltage of 2V or above by reacting with Li, different from an anode material of a lithium secondary battery.

A method for producing glucose and cellobiose using cellulose complex enzyme is the technology using the cellulose complex enzyme as a catalyst and realizing the high saccharification rate conversion of cellulose by adding cellulose enzyme activator at the optimized stirring speed. Glucose concentration can reach 150g/L after using cellulose enzymatic hydrolysis, and the method is a cellulose saccharification production technology with economic feasibility. With the technology used, low cost, low usage of enzyme and high saccharification rate can be realized, and the productions of cellulose alcohol and biochemical products (lactic acid, succinic acid and the like) are satisfied. In the whole technology, no beta-glucosaccharase is added additionally, no sugar concentrating device is added, and the technology is simple, the equipment cost is low and the industrialized prospect is good.

The invention belongs to the technical field of coal bed gas extraction and particularly relates to a single thick coal seam ground mining well extraction process which is capable of performing scale and high-benefit extraction on single coal seams in condition of high ground stress and low permeability. A tri-size drilling process is used, a local well cementation mode is used for relieving damage to bushings by stratum moving, and damage of ground extraction well process structure is prevented by adding a hanger. By extraction experiment well extraction effect analysis and technological and economic feasibility evaluation, the ground extraction well output effect and the cost in condition of single thick coal seam extraction are offset basically, and certain reference and guide effects are provided for future ground coal bed gas extraction well process design and construction of other mines.

The invention relates to a business park source-storage-load optimized configuration method comprising the steps as follows: (1) building a controllable air conditioning cold/heat load optimized regulation model; (2) getting a business park photovoltaic power generation system output curve; (3) determining an energy storage system charge and discharge strategy; (4) building a business park source-storage-load optimized configuration model; and (5) calculating the desired charge and discharge power values of an energy storage battery at each moment of time. According to the invention, an air conditioning load is used as virtual energy storage based on the controllability thereof in order to reduce the capacity of a required energy storage system, and the minimum cost for users to purchase electricity from a large grid is taken as an objective function to realize timely consumption of photovoltaic energy to the maximum, so the investment cost on energy storage is reduced, and the electricity charge is saved for users. The method is of high economic feasibility.

The invention discloses a roadbed soil displacement field and seepage field visualized testing apparatus under seepage moving vehicle dynamic load and a testing method thereof. The visualized testingapparatus comprises a seepage system, a roadbed simulation system, a load simulation system and a data acquisition system, and the seepage system is composed of a water supply case and a feed pipe; the feed pipe is connected with the bottom of a test model groove, multilayer pebbles are sprayed in the test model groove, and saturated and transparent soil is placed on the multilayer pebbles to simulate the roadbed fill soil; an engineering pile is buried in the saturated and transparent soil to simulate the piled roadbed; the load simulation system is composed of a support, a hydraulic oil pumpapparatus, a servo actuating arm, a roller, and a computer; and the data acquisition system is composed of a laser, a CCD camera and a computer. The technology can realize the visualized observationof the roadbed soil displacement field and the soil displacement field under the seepage moving vehicle dynamic load, and the testing apparatus has the advantages of simpleness, economic performance and high feasibility.

The invention discloses a modified 4a molecular sieve adsorbent and a preparation method of the modified 4a molecular sieve adsorbent, which mainly aim at adsorption and purification research of heavy metals (mercury, lead and cadmium) in garbage burning smoke. A transition metal is loaded on a 4a molecular sieve to prepare the adsorbent, wherein the content of the transition metal is 1-10% and the adsorbent has a good adsorption effect on the heavy metals; secondary pollution is not generated in a smoke purification process; and the price is low and the economic feasibility is high.