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86results about How to "High environmental friendliness" patented technology

Affordable, sustainable buildings comprised of recyclable materials and methods thereof

An affordable, sustainable building, comprising substantially entirely mass-produced, prefabricated constituent parts manufactured off-site, the prefabricated constituent parts comprising a foundation, a frame module comprising a plurality of frames, wherein the frame module is secured to the foundation, a reversible connector to connect the plurality of frames to form the frame module, a wall panel configured to be mounted onto the frame module, a floor panel configured to be mounted onto the frame module, and a ceiling panel configured to be mounted on to the frame module. Each constituent part forms part of a library of parts from which the constituent parts are selected. The constituent parts are preferably made in standardized sizes to facilitate efficient mass production. The constituent parts are predominantly made of recyclable material so as to be environmentally friendly. Computer software may be developed to facilitate design and construction of the affordable, sustainable building and to calculate proper attachment points for lifting and moving frame modules.
Owner:INGJALDSDOTTIR ERLA DOGG +1

Apparatus and Method for Transferring a Pattern from a Universal Surface to an Ultimate Package

An apparatus and method for transferring a pattern from a universal surface to an ultimate package. The apparatus comprises an end effector for a pattern transfer robot. The end effector comprises a crowder plate with crowder plate slats spaced apart a distance to form openings between the crowder plate slats. The universal surface comprises a finger wall with finger wall slats spaced apart a distance to form openings between the finger wall slats. A portion of the crowder plate slats are sized to pass between a portion of mating finger wall slats.
Owner:FRITO LAY NORTH AMERICA INC

Wall Panels for Affordable, Sustainable Buildings

A wall panel configured for quick and easy manufacturing and assembly to create affordable, sustainable buildings. The wall panel has a main wall section having an inside-facing surface and an outside-facing surface opposite the inside-facing surface; a first set of elongated studs embedded in the outside-facing surface of the main wall section, each elongated stud in the first set of elongated studs having a length; a second set of elongated studs embedded in the inside-facing surface of the main wall section, each elongated stud in the second set of the elongated studs having a length; wherein the length of each elongated stud of the first set of elongated studs is greater than a height of the main wall section, and wherein the length of each elongated stud of the second set of elongated studs is equivalent to the height of the main wall section.
Owner:M3HOUSE LLC

Affordable, sustainable buildings comprised of recyclable materials and methods thereof

An affordable, sustainable building, comprising substantially entirely mass-produced, prefabricated constituent parts manufactured off-site, the prefabricated constituent parts comprising a foundation, a frame module comprising a plurality of frames, wherein the frame module is secured to the foundation, a reversible connector to connect the plurality of frames to form the frame module, a wall panel configured to be mounted onto the frame module, a floor panel configured to be mounted onto the frame module, and a ceiling panel configured to be mounted on to the frame module. Each constituent part forms part of a library of parts from which the constituent parts are selected. The constituent parts are preferably made in standardized sizes to facilitate efficient mass production. The constituent parts are predominantly made of recyclable material so as to be environmentally friendly. Computer software may be developed to facilitate design and construction of the affordable, sustainable building and to calculate proper attachment points for lifting and moving frame modules.
Owner:INGJALDSDOTTIR ERLA DOGG +1

Underwater towing body controlled by front-edge-rotating cylindrical wing

The invention discloses an underwater towing body controlled by a front-edge-rotating cylindrical wing. Forced sinking hydrofoils of the underwater towing body adopt symmetrical airfoil profiles, andare symmetrically arranged on the two sides of the front portion of a main cavity, two rotating cylinders are symmetrically arranged at the front ends of the profile faces of the forced sinking hydrofoils relative to the main cavity, and are connected with a speed adjusting motor located inside the main cavity through rotating-cylinder rotating shafts; ducted propellers are symmetrically arrangedon the two sides of the back ends of the forced sinking hydrofoils; a transverse horizontal fixed empennage is arranged at the tai lend of the main cavity, and vertical streamlined flap type rudders are symmetrically arranged at the two ends of the transverse horizontal fixed empennage respectively; a flap is arranged at the tail end of each vertical streamlined flap type rudder, and is connectedwith a flap angle control device. According to the underwater towing body controlled by the front-edge-rotating cylindrical wing, by changing the rotating speeds and the rotating directions of the rotating cylinders at the front ends of the forced sinking hydrofoils, attack angles of the forced sinking hydrofoils can be efficiently and flexibly adjusted, and the aim of changing the motion trail ofthe vertical direction of the towing body is achieved; on this basis, the thrust directions of two-side propellers are changed through assisting, and directional floating and sinking can be achieved.
Owner:SOUTH CHINA UNIV OF TECH

Diesel filter

A diesel filter includes a filter member and a water reservoir formed below the filter member. The filter member has a case, a cap for closing the opening of the case, an element, and an element-holding member for holding an upper part of the element, and is detachably housed in the case. The element-holding member has an opening that allows fuel to flow out, and the fuel introduced from a fuel inlet port to a portion above the element-holding member is then introduced to the water reservoir via a passage formed between the inner peripheral surface of the case and the outer peripheral surface of the element.
Owner:KYOSAN DENKI KABUSHIKI KAISHA +1

Foam plugging type microbial decomposition water circulating environmental protection toilet for islands

The invention relates to a foam plugging type microbial decomposition water circulating environmental protection toilet for islands. A process for treating liquid dung comprises the following steps of: allowing excrement and urine which are washed by foam to enter a biochemical box to perform primary treatment, separating and depositing to remove foreign matters and impurities in water, and regulating the liquid dung; allowing the liquid dung to enter anaerobic and aerobic biochemical systems to perform secondary treatment, and adding microbial strains special for excrement degradation, so that most of organic matters in sewage are decomposed gradually to form colourless and inodorous gas and trace inorganic matters, and the water quality is purified; and finally, performing tertiary treatment on the water, and removing chromaticity, odor, germs and the like in the water through filtering, aeration, adsorption and micro-filtration. In the foam plugging type microbial decomposition water circulating environmental protection toilet, microbes can decompose the excrement completely so as to meet requirements of non-pollution discharge and no need of sewage pipelines, the excrement can be decomposed in about 20 hours, the decomposition rate is over 90 percent, and decomposition products are water vapor, carbon dioxide, organic acid and the like; and the toilet can improve the environment obviously and has the obvious economic and social benefits.
Owner:SECOND INST OF OCEANOGRAPHY MNR +1

Liquid natural gas transfer

In order to provide improved efficiency, e.g. in terms of how to operate and maintain a liquid natural gas (LNG) transfer system, while also improving the environmental friendliness of the transfer operation, there is disclosed a method and system of transferring liquid natural gas from a first container 104 to a second container 106 via a pump station 108. The first container 104 is positioned close to the pump station 108 by a truck 110, and the second container 106 is positioned close to the pump station 108 by a ship 112. Repeated transfer of LNG is provided using first and second dry couplings 304, 308 and, after transfer is complete, disconnecting the second dry coupling 308 from the second container and providing a flow of liquid natural gas back into the first container utilising an overpressure in the insulated pipes or hoses 202, 208 and in pipes of the pump station relatively to the pressure in the first container and by replacing the first container 104 with a filled first container when the first container is empty.
Owner:KOSAN CRISPLANT AS

Spotting plate and process for its production

A process for the production of a reaction chamber assembly, wherein a flat substrate and bottomless reaction chambers are provided, the substrate is first loaded with a biological agent and then the bottomless reaction chambers are bonded glue-free to the substrate, in particular through laser bonding, and liquid-tight reaction chambers, for instance individual wells, individually connected wells, such as strips, or wells in the form of a microtiter plate, are obtained. The present invention further provides a kit comprising a substrate suitable for being loaded with at least one biological agent and at least one bottomless reaction chamber, wherein the kit is suitable for glue-free bonding of the bottomless reaction chamber to the substrate.
Owner:SCIENION GMBH +1

Nickel-zinc secondary battery and method for preparing the same

The present invention provides a nickel-zinc secondary battery, including: a battery case; an electrode assembly, disposed in the battery case; and an electrolyte solution, positioned in the battery case, and filled around the electrode assembly, wherein the electrode assembly includes a nickel positive electrode, a zinc negative electrode, and a membrane separator disposed between the nickel positive electrode and the zinc negative electrode; the nickel positive electrode includes: a substrate and positive electrode material coated on the surface of the substrate; the positive electrode material includes: 68 wt %˜69 wt % positive electrode active material, 0.6 wt %˜1 wt % yttrium oxide, 0.2 wt %˜0.6 wt % calcium hydroxide, 3.5 wt %˜4 wt % nickel powder, and a binder in balance; and the positive electrode active material is a spherical nickel hydroxide coated with Co3+. The nickel-zinc secondary battery provided by the present invention can reduce the amount of hydrogen evolved and have good cycling performance while maintaining the battery capacity. The present invention further provides a method for preparing a nickel-zinc secondary battery.
Owner:GUANGDONG POWERLINK ENERGY

Method for preparing 5-chloromethyl-2-furfural using galactan derived from seaweed in two component phase

The present disclosure relates to an acid catalyst composition for producing 5-chloromethyl-2-furfural from galactan derived from seaweed and a method for producing 5-chloromethyl-2-furfural from galactan derived from seaweed on a two component phase using the acid catalyst, the acid catalyst composition for producing 5-chloromethyl-2-furfural from galactan derived from seaweed including organic solvent and dilute hydrochloric acid, a concentration of the dilute hydrochloric acid being 4N to 8N (normal).According to the present disclosure, there is an advantage of converting 5-chloromethyl-2-furfural from galactan derived from seaweed by means of a single process by mixing dilute hydrochloric acid and organic solvent by an optimal ratio, unlike conventional methods for producing 5-chloromethyl-2-furfural that had to go through a multi-phase process of preconditioning and saccharification.
Owner:KOREA INST OF IND TECH

Preparation method for beta zeolite

The present invention provides a preparation method of Beta molecular sieve, comprising: activating a mineral having low silica-to-alumina ratio and a mineral having high silica-to-alumina ratio, respectively, wherein the mineral having low silica-to-alumina ratio is activated via a sub-molten salt medium, and the mineral having high silica-to-alumina ratio is activated via means of high-temperature calcination; mixing the activated minerals with sodium chloride, potassium chloride, water and template agent for hydrothermal crystallization, wherein the charged amounts of the raw materials satisfies a molar ratio of: 0.03-0.18 Na2O:0.01-0.03 K2O:0.1-0.4 (TEA)2O:1 SiO2:0.01-0.5 Al2O3:12-40 H2O; cooling the crystallized product and removing the mother liquor by filtration, washing the resulting filter cake with water to neutral and drying it to obtain the Beta molecular sieve. The method of the present invention broadens the range of raw materials for synthesizing the molecular sieve, greatly reduce the production cost, and significantly improve the environmental friendliness of the synthesis process, thereby having a wide range of application prospects.
Owner:CHINA UNIV OF PETROLEUM (BEIJING) +1

Biological agent for relieving cadmium stress of leaf vegetable planting soil and application of biological agent

The invention discloses a biological agent for relieving cadmium stress of leaf vegetable planting soil. The biological agent is prepared by uniformly mixing nano-selenium prepared by a bacillus subtilis 168 biological method with bacillus subtilis with the viable count more than or equal to 1* 10 <9> / g in water. The invention also discloses application of the biological agent in relieving the cadmium stress of the leaf vegetable planting soil. Experiments prove that the biological agent can supplement selenium element for plants, prevent and control plant diseases and insect pests and remarkably inhibit migration of cadmium from the underground part to the overground part when being sprayed on leaf surfaces, and plays an important role in repairing a Cd-polluted soil-microorganism-plant ecological system. Meanwhile, the biological agent is high in environmental friendliness, does not easily cause secondary pollution of the soil and secondary damage to the plants, and has a great application prospect in the aspect of agricultural application.
Owner:SHANDONG UNIV

Microorganism producing O-acetyl-homoserine and the method of producing O-acetyl-homoserine using the microorganism

Disclosed herein are a microorganism strain capable of producing the L-methionine precursor O-acetyl homoserine in high yield and a method of producing O-acetyl homoserine using the same. The microorganism strain is a strain of Escherichia sp. in which an acetyl-CoA synthase gene (acs) and / or a pantothenate kinase gene (coA) encoding a pantothenate kinase gene refractory to feedback inhibition by CoA is introduced and expressed.
Owner:CJ CHEILJEDANG CORP

Conference center standby power system and power supply control method

The invention discloses a conference center standby power system and a power supply control method. The invention belongs to the technical field of new energy power storage and supply. The system comprises a plurality of methanol-water reforming hydrogen fuel cell generators which are connected in parallel and a power distribution cabinet; a lithium iron phosphate battery pack, a busbar and a grid-connected inverter are arranged in the power distribution cabinet; the anode and the cathode of each methanol-water reforming hydrogen fuel cell generator are respectively connected with the anode and the cathode of the busbar through cables; the anode and the cathode of the lithium iron phosphate battery pack are respectively connected with the anode and the cathode of the busbar through cables;the anode and the cathode of the busbar are respectively connected with the anode and the cathode of the grid-connected inverter; the output of the grid-connected inverter is connected with a mains supply transmission line to supply power, and the frequency and the phase of alternating current output by the grid-connected inverter are synchronous with those of mains supply respectively. When themains supply is powered off, the lithium iron phosphate battery pack provides electric energy for a short time, the generators provide long-time power supply, the whole system is relatively independent and easy to assemble and move, and compared with the prior art, the system has the advantages of safety, reliability, energy conservation, environmental protection and quick response.
Owner:广东能创科技有限公司

Antibacterial viscose fiber added with rare earth oxide and preparation method of antibacterial viscose fiber

The invention discloses an antibacterial viscose fiber added with rare earth oxide and a preparation method of the antibacterial viscose fiber. The antibacterial viscose fiber is prepared from the following raw materials in parts by weight of 20 to 30 parts of rare earth antibacterial powder, 6 to 12 parts of dispersing agent, 50 to 55 parts of water and cellulose, wherein the rare earth antibacterial powder takes cerium oxide as a base, and the balance is one or more of other rare earth oxides and copper oxide. The rare earth antibacterial powder with good antibacterial performance is selected, the rare earth antibacterial powder is prepared into the nano rare earth antibacterial suspension through an appropriate dispersion system and a sanding process, the viscose spinning mixed solution is prepared through an appropriate adding mode, the obtained rare earth antibacterial suspension is good in dispersion performance, is matched with the high viscosity and alkalinity of a viscose system, and is easy to add; and the obtained antibacterial viscose fiber is durable in antibacterial effect and wide in antibacterial spectrum.
Owner:镧明材料技术(上海)有限公司

Recyclable color development method based on metal-polyphenol network structure

The invention relates to a recyclable color development method based on a metal-polyphenol network structure. According to the method, a polyphenol solution is used for performing spray coating or soaking treatment on a substrate; metal salt solution ink is used as color development ink; the metal salt solution ink is in contact with the substrate; a metal-polyphenol network structure is formed insitu on the substrate; color development is performed; the substrate requiring decoloring recovery is subjected to decoloring by an acid solution; after the color development elimination, excessive acid solution on the substrate is removed; the repeated utilization of the substrate is realized. The method can be applied to the fields of writing, spray coating, stamps and ink spraying printing. The color development stability of the color development method is high; after the color development, the color sharpness and the density of a finished product are high; the fast decoloring can be performed by using conventional decoloring agents; the cyclic utilization is realized; the operation is simple and convenient; the implementation is easy; the environment-friendly effect is good; the effects of low cost, high efficiency, green effect and repeated utilization are achieved.
Owner:SHANDONG UNIV

Preparation method of slump-proof polycarboxylate superplasticizer

The invention provides a preparation method of a slump-proof polycarboxylate superplasticizer. The slump-proof polycarboxylate superplasticizer is prepared by bulk polymerization. The preparation method comprises the steps of (1) mixing polyoxyethylene polyoxypropylene ether and polyoxyethylene ether, stirring well at controlled temperature of 40-60 DEG C, and adding an initiator and a mixture ofunsaturated carboxylic acid, unsaturated carboxylates and a chain transfer agent; (2) curing for 0.5-1 hour after completion of step (1), and cooling to obtain the slump-proof polycarboxylate superplasticizer. The bulk polymerization is performed at relatively low temperature, the conditions are mild, operability is high, and the synthesized polycarboxylate superplasticizer has high water-reducingproperty. The polycarboxylate superplasticizer prepared herein is in liquid state at normal temperature, having an effective concentration of 100% and good stability of storage performance; the polycarboxylate superplasticizer is applicable to long-range transport and use; the polycarboxylate superplasticizer has excellent slump-proof performance; the problem can be solved that concrete slumps due to high temperature and long transport time; the polycarboxylate superplasticizer has a promising industrial application prospect.
Owner:JIAHUA CHEM MAOMING

Intelligent wire holder

The invention discloses and provides an intelligent wire holder which comprises an insulating shell, a wire inlet end and a wire outlet end. The insulating shell comprises a voltage collector and an electronic controller. The wire inlet end is connected with a three-phase or three-phase four-wire power line. The wire outlet end is connected with equipment, a device and / or a load end. The voltage collector is arranged between the wire inlet end and the wire outlet end, the electronic controller is at least provided with at least one communication module and at least one microprocessor, and the voltage collector is connected to at least one electronic controller. The power output port of the intelligent wire holder meets the requirement that an extra stable power supply is provided for a protection apparatus / equipment / device connected to a lower port single-phase wire when the short-circuit voltage drops, and the protection apparatus / equipment / device connected to the lower port single-phase wire does not need to be provided with a current self-generating power supply device.
Owner:TIANJIN SVRUI INTELLIGENT ELECTRICAL CO LTD

Integrated concentrating solar photo-thermal synergistic catalytic reaction device

An integrated concentrating solar photo-thermal concerted catalytic reaction device comprises a condenser and a reactor, wherein the condenser is located above the reactor, a transportation-vaporization cavity and a reaction-separation cavity are formed in the reactor and separated through a partition plate, the tops of the transportation-vaporization cavity and the reaction-separation cavity are kept in communication; a photo-thermal conversion film and a porous transportation medium are sequentially arranged in the transportation-vaporization cavity from top to bottom; a photo-thermal synergistic catalytic film and a porous adsorption medium are sequentially arranged in the reaction-separation cavity from top to bottom; an interlayer shell is arranged on the outer side of the transportation-vaporization cavity and the outer side of the reaction-separation cavity, the interlayer shell is of a topless structure, transparent cover plates are arranged on the top of the transportation-vaporization cavity and the top of the reaction-separation cavity, and the interlayer shell comprises a heat exchange medium inlet, a heat exchange medium outlet, a liquid-phase reactant inlet and a gas-phase product outlet. According to the invention, liquid-phase reactants can be directly vaporized and photo-thermal synergistic reaction can be driven by utilizing concentrated solar energy, and self transportation of the liquid-phase reactants and separation and purification of gas-phase products can be synchronously realized.
Owner:XI AN JIAOTONG UNIV

Rotary stir-frying type cooker

The invention discloses a rotary stir-frying type cooker, belongs to the field of kitchen household appliances, can realize direct stir-frying of a cooking container, and can solve the problem of steam exhaust in the cooking process. The rotary stir-frying type cooker comprises a shell and a rotatable accommodating body, the accommodating body is arranged in the shell; a cooking container and a container cover which integrally rotate along with the accommodating body are also arranged in the accommodating body; the accommodating body is provided with a taking and placing opening for taking andplacing the cooking container; the taking and placing opening is located in the direction of the rotating axis of the accommodating body. The container cover is arranged on one side of the taking andplacing opening of the cooking container, so that a cooking cavity is formed in the inner side of the taking and placing opening of the cooking container in the rotating axis direction, a steam exhaust opening is formed in the container cover, and the cooking cavity exhausts steam to the outer side of the taking and placing opening in the rotating axis direction through the steam exhaust opening.
Owner:JOYOUNG CO LTD

Preparation and use method of polyphenol-polyethylene glycol-based eutectic adhesive

The invention relates to the technical field of eutectic adhesives, in particular to a polyphenol-polyethylene glycol-based eutectic adhesive as well as a preparation method and a use method thereof. The eutectic adhesive is simple and easy to operate, non-volatile and high in environmental friendliness; the adhesive strength is high, the adhesive speed is high, and rapid adhesion can be achieved after the adhesive is cooled to the room temperature; the properties of organic solvent resistance and low temperature resistance are realized; multiple times of cyclic utilization can be realized in a heating-cooling mode; the low-eutectic-melting adhesive is simple in preparation process and wide in application range, can be used for adhesion of various substrates such as glass, steel sheets, PMMA (polymethyl methacrylate), PTFE (polytetrafluoroethylene), PET (polyethylene terephthalate), PVC (polyvinyl chloride), silica gel, wood, PVC foam, ceramic tiles or stone products, is suitable for strong adhesion of various engineering materials, particularly glass and steel products, and has the potential to be used as a hot-melting non-metal welding agent to be applied to actual production and life.
Owner:SHANDONG UNIV

Roller

A roller includes a rim assembly and a tire assembly. The tire assembly includes a support ring and a tire mounted at the periphery of the support ring. The support ring and the rim assembly are detachably connected by a buckle structure. The buckle structure includes a plurality of elastic accommodating parts disposed on the inner side of the supporting ring, and a plurality of buckling parts disposed at the rim assembly. The elastic accommodating parts and the buckling parts are detachably connected. The elastic accommodating parts protrude out of the inner side of the support ring, and two ends of each elastic accommodating part are separately provided with a protruding first limiting block and a protruding second limiting block. The buckling parts are limited by the first limiting blocks and the second limiting blocks. The rim assembly and the tire assembly of the roller are detachably connected.
Owner:ZELERITAZ RACING SPORTS

Method for preparing high-purity iron phosphate from iron-containing slag

The invention discloses a method for preparing high-purity iron phosphate from iron-containing slag, and belongs to the technical field of comprehensive utilization of industrial solid wastes. The method comprises the steps that: high-concentration phosphoric acid selective leaching is conducted on the iron-containing slag, the concentration of phosphoric acid is 4-8 mol / L, solid-liquid separation is conducted after the reaction is finished, and leached slag can serve as a raw material for manufacturing cement ceramics to be sold; water is added into leachate to dilute the leachate, and then crystallization iscontrolled to prepare high-purity iron phosphate; and residual crystallization liquid is subjected to a membrane separation-evaporation concentration process to realize regeneration and cyclic utilization of the phosphoric acid. The method is short in process, low in cost, high in environmental friendliness and high in iron utilization rate; the prepared high-purity iron phosphate can be used for preparing materials such as lithium ion batteries, ceramics and catalysts; and macro element iron in iron-containing industrial solid waste is utilized in a high-valued mode. According to the method, the problems of environmental pollution and resource waste caused by the iron-containing slag are solved, the environmental protection pressure of metallurgical enterprises is relieved, and the economic benefits of the metallurgical enterprises are improved.
Owner:UNIV OF SCI & TECH BEIJING

Articulated bogie with embedded vibration and noise reduction device

The utility model discloses a hinged bogie with an embedded vibration and noise reduction device, and relates to a railway freight car bogie, in particular to a hinged bogie. The hinged bogie comprises a wheel set assembly, a side frame assembly, a swing bolster assembly, an integrated braking device, an elastic side bearing assembly and a central suspension and vibration reduction device, whereinthe central suspension and vibration reduction device comprises a wedge, a vibration reduction spring, an inner circle spring and an outer circle spring, wherein the vibration reduction spring, the inner circle spring and the outer circle spring are installed on the wedge, and the inner circle spring is sleeved with the outer circle spring. The key technology is that a spring tray is arranged atthe upper end of an inner circle spring and a stabilizing spring is arranged in the spring tray, so that the embedded type damping device is formed. Compared with the prior art, the embedded damping device has the beneficial effects that through the effect of the embedded damping device, the translational degree of freedom of the inner circle spring in the vertical direction is restrained, noise pollution caused by vibration of parts and collision between the parts and adjacent parts is eliminated, and the environmental friendliness of a vehicle is further improved.
Owner:CRRC MEISHAN

Sulfur tail gas purifying device and technology

The invention relates to a sulfur tail gas purifying device and technology and belongs to the technical field of sulfur containing tail gas treatment. The device comprises a quenching tower, an absorption tower, a regeneration tower, a cooler and a circulation pump. Ammonia containing acidic gas generated by a sour water stripping device is applied to a CLAUS sulfur tail gas treating process, anda byproduct after treatment is returned to a sulfur making process. The sulfur tail gas purifying device disclosed by the invention has the advantages of high material safety, short technological process, low absorption temperature and ability in avoiding ammonia escape; discharged gas SO2 can be reduced to 50mg / Nm<3> or lower; meanwhile, the ammonia containing acidic gas of the sour water stripping device of an oil refinery is utilized as an ammonia source in an absorption process, absorption liquid is returned to the sulfur making process, and the materials can be comprehensively utilized.
Owner:SHANDONG SUNWAY PETROCHEMICAL ENGINEERING CO LTD

Duckweed biological source growth promoter and preparation method thereof and application

The invention belongs to the field of aquatic energy culture and particularly relates to a duckweed biological source growth promoter and a preparation method thereof and application. The preparation method comprises washing, drying, smashing and screening portulaca oleracea, placing the portulaca oleracea in a bolting cloth bag, adding distilled water, performing ultrasonic extraction for 0.5-1.5 h, performing centrifugation for 10-15 min, and taking and concentrating supernatant. When in application, the growth promoter only needs to be scattered to the duckweed culture water body, and the using amount ratio of the effective ingredient portulaca oleracea in the promoter and the duckweed culture water body is (1-3g):(1L). The duckweed biological source growth promoter can quickly and effectively improve the growth velocity of duckweed, the duckweed biomass weight gain rate can be improved by over 89% after the application, and the growth promotion effect is good; besides, no secondary pollution is caused to the water body, and the duckweed biological source growth promoter is green, safe and environmentally friendly. A using method is not subjected to the limitation of the water body conditions, and the duckweed biological source growth promoter can quickly promote the growth of duckweed in the eutrophic water body or the oligotrophic water body and is good in adaptability.
Owner:SHANGHAI OCEAN UNIV
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