3719results about How to "Easy to recycle" patented technology

A circuit for rendering an energy storage device parallelable comprised of an energy storage device connected to a power adapter that converts the potential of the energy storage device into a potential that follows a predetermined function of the state of charge of the energy storage device. When multiple assemblies are paralleled, they may be charged and discharged as a whole with individual storage devices maintaining equal states of charge. The energy storage devices can be batteries with different cell counts, configurations, and energy discharge profiles. In some cases, the power adapters are comprised of DC to DC converters and system controllers that are used to translate each battery's energy discharge profile into a user-determined energy discharge profile that is a predictable function of the battery's state of charge and independent of temperature or other external conditions.

The preparation process of phenolic hydroxyl group-containing polyimide powder includes the following steps: 1. reaction of phenolic hydroxyl group-containing aromatic diamine compound or its mixture with other diamine compound and aromatic binary anhydride in the molar ratio of 1 to 1 in strong polar non-protonic organic solvent under protection of nitrogen at 0-30 deg.c for 3-12 hr to obtain transparent ropy polyhydroxy amido acid solution; and 2. adding azeotropic dewatering agent in nitrogen atmosphere and heating to 120-160 deg.c to reflux, azeotropically dewater and imidize for 5-18 hr, cooling to room temperature, washing and vacuum drying to obtain phenolic hydroxyl group-containing polyimide powder. The industrial production process has environment friendship, simple operation, low cost and easy solvent recovery.

A system and methods for managing a recycling program including the step of receiving waste materials from a user and the step of receiving recyclable materials from the user. Further, the step of measuring a quantity of waste materials received and the step of measuring a quantity of recyclable materials received. Further still, calculating a user-specific diversion rate based upon the ratio of recyclable materials as compared to the sum of recyclable materials and waste materials. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

The invention discloses a service platform and method for classifying and intelligently recycling waste and old materials and garbage. A new technology is adopted, the platform is a new media publicity platform for publicizing garbage classification at the same time, cartoons, video, games and other modes loved by community residents are adopted, the recycling process of the waste and old materials can be fast accepted by all kinds of crowds to the largest extent, the principle of environmental protection and renewable resources enjoys popular support among people, the technology of Internet of Things is adopted, electronic waste and old materials are convenient to recycle, RFID unique labels are attached to the electronic waste and old materials in the production and sale period of the electronic waste and old materials, the labels comprise product classification information, and according to the garbage classification, when the waste of this type is thrown, corresponding garbage recycling and classifying cans can be automatically opened, and other garbage recycling and classifying cans not related to this type cannot be opened.

The present disclosure relates to an aerosol delivery device including a shell that is divided into a first half and a second half along a longitudinal axis thereof. One or more batteries may be positioned within the shell along with a battery lead that provides an electrical connection to battery terminals. A base unit may be included and may have electrical contacts for matching with a battery terminal and the battery lead. The base unit can include one or both of a printed circuit board (PCB) and a pressure sensor. The shell can attach to a cartridge housing a reservoir for an aerosol-forming composition, a heater; a liquid transport element configured for transport of the aerosol forming composition between the reservoir and the heater; and heater terminals. Such construct can provide for simplified assembly of the device.

A transport subsystem conveys seed holding well trays between a plurality of stations. A loading subsystem is positioned at a first station and is operable to load seeds into individual wells of the conveyed tray. An imaging subsystem is positioned at a second station and is operable to image the seeds contained within the tray wells. A mechanism is provided for flipping the seeds so as to enable the imaging subsystem to obtain multi-side seed images. A sorting subsystem is positioned at a third station and is operable to remove the seeds from the tray wells and sort the removed seeds into a plurality of sort bins. The sorting determination may be made based on an analysis of the seed images obtained by the imaging subsystem.

A centrifugal cleaning apparatus for the air or fume, such as treating oil soot, exchanging air, and desulfurizing fume, features that at least one rotary netted filter disc is arranged to the axle of a motor in an air guiding cylinder. Said rotary netted filter disc is composed of a disc skeleton and a radiant filtering net wound uniformly on said disc skeleton. A method for preparing said rotary netted filter disc is also disclosed.

The invention discloses low-cost green cellulose aerogel and a preparation method for hybrid aerogel thereof. The preparation method for the hybrid aerogel of the cellulose aerogel comprises the following steps that cellulose is dissolved into a zinc chloride aqueous solution, centrifugal deaeration is performed, and a uniform and transparent cellulose solution is obtained; the cellulose solution is formed, then the formed cellulose solution is placed into a coagulating bath to be regenerated, in addition, the regenerated cellulose solution is fully washed by use of a solvent, and cellulose solvent gel is obtained; the solvent in the cellulose solvent gel is removed by use of supercritical carbon dioxide drying or freeze drying, and the cellulose aerogel is obtained. Functional filler can be added into the cellulose solution to obtain the hybrid aerogel. By the adoption of different solution forming methods, the cellulose aerogel and the hybrid aerogel thereof in the shapes of sheets, fibers, particles and the like can be prepared. The preparation method is low in cost and is environmentally friendly, and the prepared aerogel is provided with a uniform nano-grade net porous structure.

An improved tamper evident end cap assembly for a drug loaded syringe which assembly includes a syringe cap to close the discharge port in the nozzle of the syringe and an indicator ring about the nozzle connected by chads or tabs to a tubular shield which chads or tabs are adapted to break freeing the ring from the shield to loosely wobble on the nozzle indicating tampering if an axial force of separation is applied to the syringe cap to remove it from the syringe and a one way drive mechanism engaging both the shield and syringe cap so the shield may be rotated to advance the assembly onto a syringe nozzle but which is not responsive to counter rotation to withdraw the syringe cap to open the discharge port and gain access to the drug.

The invention relates to a method for extracting metal scandium and titanium from red mud; the method is used for extracting scandium and titanium from the red mud; the method takes the red mud which is produced through the sinter process of the high-grade ore two portion of clinker in alumina plant as the raw material; the hydrochloric acid with a concentration of 2 percent to 6 percent is used for leaching the calcium and sodium from the red mud to increase the content of the scandium and titanium in the red mud; and then the hydrochloric acid with a concentration of 16 percent to 22 percent is used for a second acid dipping of the red mud and the product of scandium oxide is obtained after the leaching liquid passes the processes of extraction, reverse extraction and baking; the hydrochloric acid with a concentration of 80 percent to 90 percent is used for a third acid dipping of the red mud after the second one and the leaching liquid is added with iron powder for reduction and then the temperature is reduced to crystallize and separate out iron in the pattern of FeSO<4>.7H<2>O; the acid liquid which contains titanium after the iron is removed is added with alkali and heated for hydrolysis; the product of titanium oxide is obtained after the hydrolysate is baked. The method is simple and easy to be carried out and most metal elements in the red mud can be recovered and the cost for processing the red mud is low, all of which are beneficial to the comprehensive utilization of the red mud.

The invention provides a metal organic framework/carbon nanofiber composite membrane material and a preparation method thereof. The metal organic framework/carbon nanofiber composite membrane material is characterized by comprising a carbon nanofiber membrane, wherein a metal organic framework layer is grown on the nanofiber surface of the carbon nanofiber membrane. The preparation method comprises the following steps: first preparing a flexible carbon nanofiber membrane, oxidizing the flexible carbon nanofiber membrane by using nitric acid to form a carboxyl group-containing flexible carbon nanofiber membrane, putting the carboxyl group-containing flexible carbon nanofiber membrane into a precursor solution of a metal organic framework to grow the metal organic framework to obtain the metal organic framework/carbon nanofiber composite membrane material. The metal organic framework/carbon nanofiber composite membrane material prepared according to the preparation method provided by the invention has a great application potential in the fields of gas adsorption and separation, catalysts, sensors, electrode materials and the like.

The invention discloses a device for autotrophic nitrogen removal by combining A/O shortcut nitrification of sludge digestion liquid and anaerobic ammonium oxidation of granular sludge and a method thereof. The device of the invention comprises a digestion liquid tank, an A/O shortcut nitrification tank, a sedimentation tank, a middle water tank, an anaerobic ammonium oxidation tank, wherein, the digestion liquid tank is communicated with a first cancellus as an anoxic zone of the A/O shortcut nitrification tank by the inlet pump of the A/O shortcut nitrification tank; the sedimentation tank the upper part of which is communicated with the middle water tank by a water pipe is provided with a central pipe and the anaerobic ammonium oxidation tank is provided with a water bath sleeve and a granular sludge bed. In addition, the method of the invention comprises the following steps of starting the A/O shortcut nitrification tank; starting the anaerobic ammonium oxidation tank of the granular sludge; operating an autotrophic biological nitrogen removal system in series after the starting of the A/O shortcut nitrification tank and the anaerobic ammonium oxidation tank is respectively completed. The device and the method of the invention are applicable to the shortcut nitrification and the nitrogen removal of the sludge digestion liquid in a sewage treatment plant and have the advantages of advanced technology, simple structure of the device, convenient operation and good treatment effect of water purification.

The invention relates to underwater acoustic sensor networks and a node deployment and networking method thereof. A target water area is covered in a hierarchical clustering manner, the networks are divided into three hierarchies, and each hierarchy is divided into multiple continuous 3D spaces; common underwater sensor nodes are uniformly distributed in different depths of the different hierarchies of the target area, sense and collect physical environment data of the surrounding, and form self-organizing clustering networks via the sound wave links; movable underwater nodes can move in the target water area, assess the water quality change of routes, and directly transmit an assessment result to water surface buoy nodes; and the water surface buoy nodes is mixed with communication modules, receive, process, gather and integrate underwater network data via the sound wave communication module, and transmit the network data to a land base station in the multi-hop manner via the radio electromagnetic wave communication module. The underwater acoustic sensor networks and the node deployment and networking method thereof can realize remote monitoring, is wide in monitoring range, high in expansibility and reliability, suitable for underwater applications, and has a good application prospect.

A screen retention mechanism for use with vibratory separators is disclosed. The screen retention mechanism includes a structural frame mounted to a vibratory separator into which a plurality of lightweight and flexible screen elements are inserted into multiple tows of perforated screen supports. The perforated screen supports are bonded to the structural frame and are aligned parallel to the direction in which solids are conveyed by a vibratory motion. The invention further features an improved retention mechanism whereby screen elements are conveniently and selectively restrained.

A laser-engravable flexographic printing precursor or other patternable material can be laser-engraved to provide a relief image. The relief image is formed in an elastomeric, relief-forming, laser-engravable layer comprising a thermoplastic elastomeric nanocrystalline polyolefin that is melt processable. The laser-engraveable composition can be readily recycled and reformed into another flexographic printing plate precursor.

An operation to recycle a process cartridge comprising a mechanism for returning waste toner not used in image formation from an image carrier to a developing device can be performed easily, and situations in which an image creating element that has not reached the end of its life is discarded together with an image creating element that has reached the end of its life, making reuse thereof impossible, can be suppressed. The process cartridge comprises an image carrier unit including an image carrier, a developer carrier unit including developing means, and a waste toner conveyance unit having a built-in waste toner conveyance mechanism. These three units are assembled detachably.

A method for preparing magnetic biochar from straw includes the step of selecting of a straw material, wherein wheat straw, corn straw, rice straw or cotton straw is selected as the straw material, the straw material is pretreated by cleaning, then the straw material is dipped with a trivalent iron salt solution, and filtered by vacuum, then a filter cake is dried, and a finished magnetic biochar product can be obtained by carbonization treatment in inert gas conditions. The magnetic biochar can be obtained by dipping the straw material in the trivalent iron salt solution by a pyrolysis process, and a new way for the use of straw is provided.

The invention relates to a process for preparing a high-activity semi-hydrated gypsum cementing material and a gypsum product by the aid of phosphorous gypsum. The process includes technical processes of 1) a pretreatment process for the phosphorous gypsum; 2) a normal-pressure water heating reaction process; 3) a slurry preparation process; and 4) a preparation process for the high-activity semi-hydrated gypsum cementing material and the gypsum product. The process for preparing the high-activity semi-hydrated gypsum cementing material and the gypsum product by the aid of the phosphorous gypsum has the advantages that a process for preparing the high-performance semi-dehydrated gypsum cementing material by the aid of the phosphorous gypsum is completed under the normal-pressure mild condition, the process can be combined with an independent gypsum product manufacturing process to produce gypsum blocks, gypsum plates or other semi-hydrated gypsum products, and production flexibility of the technical processes is realized. In addition, owing to normal-pressure conversion, investment cost and running cost are saved, the processes are easily controlled, reliability is improved, performances of the product are excellent, materials are wet during the process which adopts wet phosphorous gypsum raw materials and produces the product, flying dust is prevented, waste is utilized, and effects of saving energy and protecting environments are realized.

The invention discloses a urine separation and collection device, which comprises a urine collection pool arranged on a drain pipe on the bottom of a urinal, wherein an alarming device is arranged in the urine collection pool, the side face of the urine collection pool is connected with the drain pipe through an overflow pipe, a small-flow liquid guide pipe is arranged above the urine collection pool, a valve is arranged on the small-flow liquid guide pipe, and the small-flow liquid guide pipe is further arranged on the drain pipe; a connecting funnel is arranged on the inlet end of the small-flow liquid guide pipe, a bundling funnel is arranged above the collecting funnel, and a filter screen is arranged avove the bundling funnel. The urine separation and collection device has the advantages of simple structure, convenience in assembly, simplicity in maintenance, long service life, and greatly lower production cost compared with current similar products; and the device is environment-friendly and hygienic, the problems of strong odor, poor environmental and hygienic condition and the like caused by a primitive urine collection method are prevented, the separate and sealing type collection of urine enables pollution of flushing water to be low, and subsequent purification treatment and circulated recycling are facilitated.

The invention belongs to the organic chemistry technical field, in particular to a (+) - biotin stereo-selective full synthesis method. The synthesis method comprises the following steps of preparing meso cyclic anhydride via ring-closing reaction and acyl halide dehydration with diacid as initial materials; preparing (4S, 5R)-half ester under the presence of cinchona alkaloid via enantioselective ring opening; then producing intermediate product (3aS,6aR)-lactone, (3aS,6aR)-thiolactone, (3aS,4S,6aR)-double-benzyl biotin and the derivative of the same via selective reduction, acid promoted cyclization, Fukuyama and coupling reaction and so on; debenzylating and ring opening upon the function of inorganic acid, and producing (+)- biotin via cycization reaction in inorganic base solution upon catalysis of activated carbon. With the synthesis method, raw materials are readily available, reaction conditions are mild and operation is easy; the catalyst used has good stability, is easy to be recycled and is suitable for industrial production.

The invention discloses a hydrogenation catalyst and a preparation method of 1,4-cyclohexanedimethanol. The hydrogenation catalyst comprises a carrier and active components, wherein the carrier is mesoporous carbon, the active components are Ru and Sn, and the load capacity of the active components saccounts for 5%-15% of the hydrogenation catalyst in mass. The preparation method of the 1,4-cyclohexanedimethanol adopts the catalyst of the invention, and under the condition of a solvent and hydrogenation, the target product is produced with high selectivity. The catalyst and the method of the invention keep higher conversion rate and yield in reaction, simultaneously can maintain long service life of the catalyst, use the cheap mesoporous carbon as the carrier to reduce the cost of the catalyst, improve the reutilization rate of noble metal, and reduce consumption of the catalyst.

The invention provides a raw material prescription of lignin-inorganic nanometer composite material and the preparation method thereof. The composite material comprises lignin or derivate, inorganic nm material, water soluble lignin surface finishing agent and other types of surface finishing agent. The preparation method comprises the steps as follows: the inorganic nanometer material is pretreated with the water soluble lignin surface finishing agent, the other types of the surface finishing agent are added to finish pretreatment; the inorganic nanometer material is added into the lignin or the derivate, acid is added for sediment, and is filtered and dried to acquire the lignin-inorganic nm composite material. The invention has simple raw materials prescription, easily-available sources, low cost and simple technique, is favorable for the recirculation and the reuse of biographic resources, and has good product performance, brilliant economical benefit and wide application prospect without pollution.

The invention relates to a method for preparing an Al-Al2O3 composite coating on the surface of magnesium alloy, belonging to the technical field of metal surface treatment. The Al/Al2O3 composite coating prepared on the surface of the magnesium alloy by a calorization-oxidation method has high corrosion resistance and rigidity. The method comprises the following main steps of: firstly, coating an aluminum coating to the magnesium alloy, and then electrochemically oxidizing the aluminum coating to form an aluminum oxide film layer having extremely high corrosion resistance and rigidity, wherein a cold spraying method or a molten-salt aluminum electroplating method is used in the preparation process of the aluminum coating of the magnesium alloy, and common anodic oxidization and plasma anodic oxidization are used for the oxidation of the aluminum coating. By coating the aluminum coating to the surface of the magnesium alloy to carry out calorization treatment and then carrying out electrochemical anodic oxidization, the invention enhances the comprehensive protective performance of the surface of the magnesium alloy, and the Al/Al2O3 composite coating prepared on the surface of the magnesium alloy has the advantages of large bonding strength, high rigidity, good corrosion resistance and the like, thereby being the ideal protective coating for the magnesium alloy.

The invention discloses a method for treating acidic waste water containing heavy metal and reclaiming the heavy metal through a biomass fixed bed, which is characterized in that dry solid biomass capable of being decomposed by microbes is granulated and filled into a container with a supporting layer and a water distributing device so as to form a fixed bed microbe reactor; sewage disposal plant sludge containing sulfate reducing bacteria is taken as the source of microbe bacteria on the fixed bed, and the microbes are cultured, proliferated and acclimated to adapt to the environment of the biomass filler fixed bed through the backflow circulation of the outputted water or taking ferrous sulfate aqueous solution as the inputted water; acid effluent containing heavy metallic ions is led into the fixed bed for direct filtration; and when the water filtering speed can not meet the preset requirements, the operation is stopped, substances in the fixed bed are taken out, the heavy metal is reclaimed through smelting, and the fixed bed microbe reactor is refilled. The method is suitable for waste water containing Cr2O7 <2->, AsO3 <2->, Cu <2+>, Hg <2+> Ag <+>, Cd <2+> and the like. The method can be used for reclaiming the valuable metal resources with low waste water treatment cost.

The invention discloses a crushing and grinding device for production and processing of traditional Chinese medicinal materials in the technical field of traditional Chinese medicinal material processing. The crushing and grinding device comprises a feeding hopper, a feeding pipe, a fixing case, a screening case, a crushing case and a grinding case. According to the crushing and grinding device, the traditional Chinese medicinal materials are put into the feeding hopper and then enter the crushing case along the feeding pipe, a crushing mechanism is used for crushing the traditional Chinese medicinal materials, and a feeding inlet of the crushing case conducting crushing rotates to face downwards; the traditional Chinese medicinal materials are screened through the screening case, and thenthe feeding inlet of the crushing case is rotated to face upwards; the traditional Chinese medicinal materials which do not penetrate through a first screening mesh return to the crushing case through the shovel face at the feeding inlet and are subjected to secondary crushing along with next batch of to-be-crushed medicinal materials, and the traditional Chinese medicinal materials enter the grinding case and are ground through a grinding mechanism; and meanwhile, completely ground medicine powder is fed into a powder outlet through a rotating brush, so that the situation that powder particles are too fine due to the fact that ground medicine powder is left in a grinding groove and ground repeatedly is avoided, and the grinding effect is good.

The invention discloses a restaurant-kitchen garbage sorting system. The system orderly comprises a scrubbing oil groove for separating grease from residues, a bag breaking conveyor for tearing a plastic package and a drum screening machine for screening the residues into coarse material and fine material, and a coarse material outlet and a fine material outlet are arranged on the drum screening machine, a coarse material spiral conveyor and a fine material spiral conveyor are respectively arranged corresponding to the coarse material outlet and the fine material outlet, a crusher is arranged at an outlet of the coarse material spiral conveyor, a pulping machine is arranged at an outlet of the fine material spiral conveyor, and a horizontal flow pool for dividing the pulp from the crusher and the pulping machine into light material and heavy material. Therefore, the restaurant-kitchen garbage sorting system can effectively treat the bagged garage without manual operation, and improve the garage processing efficiency; and the garage can be classified so as to be convenient for recycle.

The present invention is the lutein crystal preparing process from marigold flower. Lutein ester is first extracted from marigold flower with non-polar solvent under heating condition and then saponified with alkali solution in stirring and heating condition; and the saponified product is diluted with deionized water and separated, washed and vacuum dried. After that, the obtained lutein crystal is re-crystallized in three-component solvent of tetrahydrofuran, deionized water and normal hexane or petroleum ether; and the lutein crystal is suction filtered, washed and vacuum dried. The present invention has low-toxicity solvent in small amount used, simple technological process, high extraction, rate, and high product purity. The product of the present invention may be used widely as feed coloring additive and food coloring agent and in medicine and health care article.

The invention relates to a green, economical and sustainable method for preparing nanocellulose fibrils. The preparation method comprises the following steps that 1, a cellulose raw material is added to a citric acid solution to be heated, stirred and hydrolyzed; 2, treated cellulose and hydrolysate are separated through methods of centrifugal sedimentation and the like, and precipitated cellulose is centrifugally washed with water multiple times and diluted into a cellulose suspension; 3, the separated hydrolysate can be directly recycled at least once, citric acid is recovered from the recycled hydrolysate, and the citric acid obtained through recovery can be recycled continuously; 4, the natural structure of the cellulose suspension obtained in the second step is further destroyed through a high pressure homogenizer or ultrasonication or physical mechanical treatment of a disc mill, and the colloidal nanocellulose fibrils are obtained. According to the method for preparing the nanocellulose fibrils, a catalyst is not adopted, the reaction condition is relatively mild, the reaction is easy to control, operation is easy, and the method is friendly to environment.

The invention provides a composting method for biologically dehydrating livestock manure, which comprises the following steps: under the condition of adding biological fermentation strains, horizontally laying the livestock manure, adding fly maggots for fermenting, and then, adding the livestock manure and biological fermentation strains in batches, wherein the fermentation period is 3-7 days, and the fermentation condition is 22-42 DEG C. The invention also provides a composting method for biologically dehydrating the livestock manure, which comprises the following steps: under the condition of adding the biological fermentation strains, horizontally laying the livestock manure, and then, adding the fly maggots for fermenting, wherein the fermentation period is 7-12 days, and the fermentation condition is 10-22 DEG C. The invention reduces the initial water content of livestock manure composting by microbiological synergistic action, fully performs the action of composting fermentation strains, does not need to add auxiliary materials for regulating the water content of the livestock manure, reduces the treatment cost of the livestock manure, and improves the composting quality. Meanwhile, the culture of fly maggots provides a large amount of high-quality feed protein and raw materials for further processing to better recycle organic wastes, thereby realizing the purposes of protecting environment and increasing efficiency and yield agriculturally.

A photoresist layer comprising a fluorinated photoresist material is formed on a device substrate and exposed to patterned radiation. The exposed photoresist layer is contacted with a developing agent to remove a portion of the exposed photoresist layer in accordance with the patterned light, thereby forming a developed structure having a first pattern of photoresist covering the substrate and a complementary second pattern of uncovered substrate corresponding to the removed portion of photoresist, the developing agent comprising a mixture of first and second fluorinated solvents, wherein at least one of the first and second solvents is a hydrofluoroether. The developed structure is treated to form a treated structure. The treated structure is contacted with a stripping agent to remove the first pattern of photoresist, the stripping agent comprising at least the first or second solvent in a concentration different from the developing agent.