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45results about How to "Optimization index" patented technology

Synthesizing method and application for bi-component bi-metallic catalyst

The invention belongs to the field of green organic synthesis and aims to provide a synthesizing method and application for a bi-component bi-metallic catalyst. The method comprises the following steps that: dissolving multi-cyanogroup alloy potassium peroxymonopersulfate in deionized water, and then adding a water soluble polymer; stirring till completely dissolving the water soluble polymer, and then dripping into the aqueous solution of halide salt, nitrate, phosphate or sulfate of zinc, cobalt or cadmium; after stirring or performing ultrasonic reaction, separating and drying so as to obtain solid; mixing the obtained solid with quaternary ammonium salt, phosphor salt or mixture thereof in any proportion; and performing wet ball milling on the obtained mixture, and then separating, drying and sieving, thereby obtaining the bi-component bi-metallic catalyst. The bi-component bi-metallic catalyst is high in catalyzing efficiency and selectivity; the overall indicator of the catalyzing efficiency and selectivity is better than that of the prior art; the bi-component bi-metallic catalyst has the obvious advantage that less water almost has no influence on the activity and selectivity of the catalyst; and the catalyst provided by the invention is capable of catalyzing the coupling reaction of bi-radical or multi-radical oxide and CO2 and has excellent activity and selectivity.
Owner:ZHEJIANG UNIV

Data resource development and spectrum resource optimal allocation method for user communication

The invention discloses a method for developing data resources and optimally distributing frequency spectrums for user communication, relates to the technical field of wireless communication, particularly in the field of user experience, and mainly solves the problem that the satisfaction degree of users in the traditional QoS (service quality)communication cannot be ensured. In the method for developing data resources and optimally distributing frequency spectrums, a totally new QoE (quality of experience) management system is established, the traditional network is extended to be a generalized network, and modularized operation of QoE management is realized. By adopting an excitation and punishment mechanism, the problem of inadequate and inaccurate data source in the prior art is solved, the QoE-QoS relation is studied, a practical mapping relation between QoE and QoS is proposed, the frequency spectrums are distributed according to the practical request of a user so that the frequency spectrum resource is utilized to the maximum. In the method for developing data resources and optimally distributing frequency spectrums, the actual condition of the current network and the practical requests of users are comprehensively taken into account, therefore, the user experience value can be greatly increased in a condition that the system throughput is not obviously worsened.
Owner:XIDIAN UNIV

Deep treatment method of naphthenic acid wastewater

The invention discloses a deep treatment method of naphthenic acid wastewater. Wastewater treatment comprises oil removing treatment, biological treatment, chemical precipitation-coagulation, sand filtration treatment and activated carbon adsorption treatment, wherein the chemical precipitation-coagulation is performed under the alkaline condition for making non-biodegradable naphthenic acid be reacted with lime to generate calcium naphthenate precipitates and remove the precipitated calcium naphthenate precipitates from wastewater under the coagulation action; the sand filtration is performed to treat colloids and suspended matters in wastewater; and the activated carbon adsorption is performed to further treat wastewater-dissolvable microorganism products and other non-biodegradable organic matters. Due to the adoption of the method, organic matters such as naphthenic acid and the like are effectively removed finally, the COD (Chemical Oxygen Demand) of treatment effluent is less than or equal to 50 mg/L, the strict local discharge standard (COD is less than or equal to 60 mg/L) can be met, and the environmental risk of wastewater discharge is lowered; and the method is suitable for performing deep treatment on naphthenic acid in various types of oil refining or oil field wastewater.
Owner:CHINA PETROLEUM & CHEM CORP +1

Treatment method for discharging naphthenic acid wastewater within controlling index of national standard

The invention discloses a treatment method for discharging naphthenic acid wastewater within the controlling index of the national standard. Wastewater treatment comprises oil removing treatment, biological treatment, acidification-coagulation, Fenton oxidation treatment, flocculation-sand filtration and biological activated carbon treatment, wherein the acidification-coagulation is performed under the acid condition to precipitate macromolecular naphthenic acid and remove the precipitated macromolecular naphthenic acid from wastewater under the coagulation action; the Fenton oxidation treatment is performed on micromolecular naphthenic acid and other organic matters to partially oxidize completely and partially improve the biodegradability; and deep biological activated carbon treatment is performed on dissolvable organic matters left after the Fenton oxidation. Due to the adoption of the method, organic matters such as naphthenic acid and the like are effectively removed finally, the COD (Chemical Oxygen Demand) of treatment effluent is less than or equal to 40 mg / L, the strict local discharge standard (COD is less than or equal to 60 mg / L) can be met, and the environmental riskof wastewater discharge is lowered; and the method is suitable for discharging various types of naphthenic acid-containing wastewater such as electrical desalting wastewater for processing high acid crude oil or polymer flooding oil field wastewater and the like within the controlling index of the national standard.
Owner:CHINA PETROLEUM & CHEM CORP +1

Hydroxypropyl carboxymethyl waxy corn starch acid dye printing paste and preparation method

The invention discloses a hydroxypropyl carboxymethyl waxy corn starch acid dye printing paste which is prepared from the following raw materials, by weight, 95-105 parts of waxy corn starch, 190-210 parts of an ethanol aqueous solution, 4-8 parts of sodium hydroxide, 20-25 parts of epoxypropane and 14-21 parts of chloroacetic acid. A preparation method of the paste comprises the following steps: uniformly dissolving waxy corn starch in the ethanol aqueous solution, and carrying out an alkalization reaction by adding sodium hydroxide; carrying out an etherification reaction by adding epoxypropane after the alkalization reaction is finished; adding chloroacetic acid after the etherification reaction is finished, heating to 65-75 DEG C and reacting for 2-3 h; cooling to 25-35 DEG C after the reaction is finished, adjusting pH value of the reaction system to neutral by using hydrochloric acid, washing, carrying out suction filtration, drying at 80 DEG C, and crushing to obtain the product. When used in acid dye printing, the product has high tinctorial yield, good contour sharpness and high de-paste ratio. The acid dye printing paste provided by the invention can be used in acid dye printing, is biodegradable and meets requirements of eco-environmental protection.
Owner:ZHONGYUAN ENGINEERING COLLEGE

Synthesizing method and application for bi-component bi-metallic catalyst

The invention belongs to the field of green organic synthesis and aims to provide a synthesizing method and application for a bi-component bi-metallic catalyst. The method comprises the following steps that: dissolving multi-cyanogroup alloy potassium peroxymonopersulfate in deionized water, and then adding a water soluble polymer; stirring till completely dissolving the water soluble polymer, and then dripping into the aqueous solution of halide salt, nitrate, phosphate or sulfate of zinc, cobalt or cadmium; after stirring or performing ultrasonic reaction, separating and drying so as to obtain solid; mixing the obtained solid with quaternary ammonium salt, phosphor salt or mixture thereof in any proportion; and performing wet ball milling on the obtained mixture, and then separating, drying and sieving, thereby obtaining the bi-component bi-metallic catalyst. The bi-component bi-metallic catalyst is high in catalyzing efficiency and selectivity; the overall indicator of the catalyzing efficiency and selectivity is better than that of the prior art; the bi-component bi-metallic catalyst has the obvious advantage that less water almost has no influence on the activity and selectivity of the catalyst; and the catalyst provided by the invention is capable of catalyzing the coupling reaction of bi-radical or multi-radical oxide and CO2 and has excellent activity and selectivity.
Owner:ZHEJIANG UNIV

Method for preparing organic titanium-organic ammonium salt organic fertilizer by salting-out process

The invention relates to a method for preparing organic titanium-organic ammonium salt organic fertilizer by a salting-out process. The method is characterized in that: new metatitanic acid precipitate is prepared by neutralizing an iced solution of titanium salt by using alkali; the new metatitanic acid precipitate instead of titanium chloride and sulfate is used as raw materials for synthesizing citricacide-titatnium chelate; citricacide-titatnium chelate is synthesized by a microwave hot melting chelation process by using the new metatitanic acid precipitate as a titanium source and citricacid as an acid solvent and chelant; and the organic titanium-organic ammonium salt compound functional organic fertilizer is prepared by neutralizing a saturated solution of citricacide-titatnium chelate by using ammonium carbonate powder, and salting out. The synthesized organic titanium does not contain chlorine and sulfur ions completely. The citric acid has high capacity of chelating metal ions, and is stable in performance and high in activity; organic acid obtained by reacting citric acid, ammonium carbonate and ammonium hydroxide has high content and activity; and the organic titanium-organic ammonium salt compound organic fertilizer is powder, high in stability and water-solubility, and is convenient to store, convey and use.
Owner:福建超大现代农业集团有限公司

Antiallergic rhinitis treating granules containing radix codonopsis and astragalus and preparation method of antiallergic rhinitis treating granules

The invention relates to the technical field of rhinitis treating medicines, and provides antiallergic rhinitis treating granules containing radix codonopsis and astragalus and a preparation method of the antiallergic rhinitis treating granules. The antiallergic rhinitis treating granules containing the radix codonopsis and the astragalus comprise the following raw materials: the radix codonopsis, agrimonia pilosa ledeb, honeysuckle, radix scutellariae, dandelion, folium isatidis, the astragalus, radix angelicae dahuricae, mint, asarum and lactose. The antiallergic rhinitis treating granules containing the radix codonopsis and the astragalus are prepared by a Chinese herba preparation technology, have certain antiallergic and anti-inflammatory effects, are used for treating acute rhinitis, chronic rhinitis and allergic rhinitis, take effect quickly, are not irritant, do not cause dependence, have lasting efficacy, can be orally taken without taboo, and provide pharmacology basis for treatment of the allergic rhinitis. The comprehensive index of the antiallergic rhinitis treating granules containing the radix codonopsis and the astragalus is obviously higher than that of a pharmaceutical preparation. The antiallergic rhinitis treating granules containing the radix codonopsis and the astragalus are Chinese herba preparations which can effectively act on the acute rhinitis, the chronic rhinitis and the allergic rhinitis, have vast potential for further development, and have special significance on qualitative leap of treatment of the acute rhinitis, the chronic rhinitis and the allergic rhinitis.
Owner:XINJIANG JINSHIKANG PHARMA

Method for preparing organic titanium-organic potassium salt organic fertilizer by salting-out process

The invention relates to a method for preparing organic titanium-organic potassium salt organic fertilizer by a salting-out process. The method is characterized by comprising the following steps of: neutralizing titanium salt ice water solution with a base to prepare a new precipitate metatitanic acid; replacing titanium chloride or sulfate with new precipitate metatitanic acid to be used as a raw material for synthesizing titanium citrate; synthesizing titanium citrate with new precipitate metatitanic acid as a titanium source and citric acid as an acid solvent and chelating agent by a microwave hot-melt chelating process; and neutralizing titanium citrate saturated solution with potassium carbonate powder, and salting out to prepare organic titanium-organic potassium fertilizer. According to the invention, synthesized organic titanium is completely free of chlorine or sulfur ion; the acid solvent and chelating agent, namely citric acid for synthesizing organic titanium has good acidity and neutrality, strong metal ion chelating capability, stable performance, and lower price than other organic acids, thus the comprehensive indexes are optimal when citric acid is selected; and the obtained organic titanium-organic potassium compound organic fertilizer is powder fertilizer, thereby being good in stability, convenient for storage and transportation, good in product water solubility and convenient for use.
Owner:福建超大现代农业集团有限公司

Determination method for optimal proportion of power supply installation capacity and external power receiving

PendingCN109617055ASafe and Stable Operation RequirementsSafe and Stable Power Supply DemandLoad forecast in ac networkSingle network parallel feeding arrangementsTransient stateElectricity
The invention provides a determination method for optimal proportion of power supply installation capacity and external power receiving. The determination method comprises the steps of S1, acquiring forecast of a prospective annual load according to a power grid development plane; S2, taking minimum total power generation fuel consumption quantity of all power generator sets in a receiving-end power grid as a target function; S3, constructing a constraint condition by combining active power balance constraint, reactive power balance constraint, active power supply output constraint, reactive power supply output constraint and voltage constraint; S4, performing (N-1) verification and transient stability verification; and S5, solving the optimal proportion of the power supply installation capacity and the external power receiving capacity of a power grid at a receiving end by particle swarm optimization. The external power receiving optimal proportion is solved by a means combining a mathematical model and numerical simulation, the safe and stable running and the power supply demand of the power grid are ensured, a relation between the safety stability and the economy is balanced, sothat the comprehensive index is optimal.
Owner:RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +1

Optimal external power receiving proportional algorithm for ultra-high voltage accessing to power grid

The invention discloses an optimal external power receiving proportional algorithm for an ultra-high voltage accessing to a power grid and belongs to the technical field of power grid distribution. The algorithm comprises the following steps of: 1) determining an optimal power flow objective function; 2) determining an active balance constraint in a constraint condition; 3) determining a reactivebalance constraint in the constraint condition; 4) determining an output constraint of the active power in the constraint condition; 5) determining the output constraint of the reactive power in the constraint condition; 6) determining a voltage constraint in the constraint condition; 7) performing 'N-1' verification for a feasible solution of the optimal power flow; 8) performing transient stability check for the feasible solution of the optimal power flow; and 9) obtaining the optimal proportion of the electrical power capacity and the external electric capacity of a receiving-end power grid. According to the optimal external power receiving proportional algorithm for the ultra-high voltage accessing to the power grid, the problem of unstable external power proportion is solved, and thesafe and stable operation and power supply demands of the power grid are guaranteed by searching the optimal proportion and the optimal balance point of the external power accessing to the power grid,so that the comprehensive index is optimized.
Owner:RES INST OF ECONOMICS & TECH STATE GRID SHANDONG ELECTRIC POWER +2

Deep treatment method of naphthenic acid wastewater

The invention discloses a deep treatment method of naphthenic acid wastewater. Wastewater treatment comprises oil removing treatment, biological treatment, chemical precipitation-coagulation, sand filtration treatment and activated carbon adsorption treatment, wherein the chemical precipitation-coagulation is performed under the alkaline condition for making non-biodegradable naphthenic acid be reacted with lime to generate calcium naphthenate precipitates and remove the precipitated calcium naphthenate precipitates from wastewater under the coagulation action; the sand filtration is performed to treat colloids and suspended matters in wastewater; and the activated carbon adsorption is performed to further treat wastewater-dissolvable microorganism products and other non-biodegradable organic matters. Due to the adoption of the method, organic matters such as naphthenic acid and the like are effectively removed finally, the COD (Chemical Oxygen Demand) of treatment effluent is less than or equal to 50 mg / L, the strict local discharge standard (COD is less than or equal to 60 mg / L) can be met, and the environmental risk of wastewater discharge is lowered; and the method is suitable for performing deep treatment on naphthenic acid in various types of oil refining or oil field wastewater.
Owner:CHINA PETROLEUM & CHEM CORP +1
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