695results about "Sequential/parallel process reactions" patented technology

The invention provides a wind-solar hydrogen production and ammonia synthesis system and a configuration method thereof, electronic equipment and a storage medium. The wind and light hydrogen production and ammonia synthesis system comprises a wind and light hydrogen production subsystem, an ammonia synthesis subsystem and a coordination controller which are relatively independent, the ammonia synthesis subsystem comprises a hydrogen storage tank, the hydrogen storage tank is connected with the wind and light hydrogen production subsystem, and the configuration method of the wind and light hydrogen production and ammonia synthesis system can be executed by the coordination controller. The configuration method of the wind-solar hydrogen production ammonia synthesis system comprises the following steps: firstly, determining capacity configuration parameters of a wind-solar hydrogen production subsystem by taking the minimum leveling hydrogen production cost as a target; and determining the capacity configuration parameters of the ammonia synthesis subsystem based on the capacity configuration parameters of the wind-solar hydrogen production subsystem by taking the maximization of the wind-solar absorption rate, the minimization of the total cost of the system and the minimization of the operation cost of the system as targets. The wind and light hydrogen production subsystem and the ammonia synthesis subsystem are subjected to two-stage decoupling type system configuration, and stable operation of the ammonia synthesis process is ensured while efficient utilization of green electricity is achieved.

The invention discloses a continuous synthesis and purification method of hexafluoropropylene oxide, which comprises the following steps: introducing hexafluoropropylene, oxygen and a fluorine-containing solvent into a supergravity reactor to carry out oxidation reaction at the reaction temperature of 100-200 DEG C under the reaction pressure of 1.0-2.5 Mpa for 10-120 seconds, and after the reaction is finished, overflowing and leading out reaction liquid to obtain the hexafluoropropylene oxide. And purifying to obtain the hexafluoropropylene oxide. According to the method, the problems of mass transfer and heat transfer can be effectively solved by using the supergravity reactor, the reaction selectivity is remarkably improved, meanwhile, the productivity is effectively improved, and the supergravity reactor is combined with extractive distillation treatment, so that the conversion rate of the hexafluoropropylene reaches 79% or above, the selectivity of the hexafluoropropylene oxide is 85% or above, and the purity of the hexafluoropropylene oxide after extractive distillation reaches 99%. The invention further discloses a device used in the continuous synthesis and purification method, and cyclic utilization of hexafluoropropylene and the fluorine-containing solvent can be achieved.

The invention provides a methanol production system comprising a reverse water gas reaction module having a first in-situ separation reactor configured to perform reverse water gas conversion of carbon dioxide and hydrogen, generate and in-situ separate carbon monoxide and water, a methanol synthesis module connected to the reverse water gas reaction module, and the second in-situ separation module is provided with a second in-situ separation reactor, and the second in-situ separation reactor is configured to generate and separate methanol in situ by utilizing the carbon monoxide generated by the reverse water gas reaction module to react with hydrogen. According to the scheme provided by the invention, a two-step methanol preparation process and the in-situ separation type reactor are organically coupled, so that the conversion of carbon dioxide can be completed under a relatively mild working condition; the problems of low one-way conversion rate, high recycling compression work and the like in methanol preparation through carbon dioxide hydrogenation are solved; the energy consumption for separating water and methanol is saved; the methanol production cost is further reduced, and the reliability and economy of the system are improved.

A preparation equipment and a process for a nylon salt solution. The preparation equipment includes a suspension preparation device, a first salt formation reactor and a second salt formation reactor. The suspension preparation device includes a feeding unit, a continuous feeding unit, a high-shear pump and a mixing reactor, the high-shear pump and the mixing reactor are cyclically connected with and in communication with each other through two connecting pipelines; the second salt formation reactor includes a second diamine feed pipe, a third diamine feed pipe, a circulation pipeline of the second salt formation reactor and an online near-infrared monitoring equipment located on the circulation pipeline of the second salt formation reactor.

A method comprising receiving a transaction request to print a genetic sequence, the transaction request including an account and a key, a state of the account managed by a blockchain where a plurality of copies of the blockchain include a state of the account; retrieving a stored key associated with the account; authenticating the transaction request based on the stored key and the transaction request key; determining a state of the account in a first copy of the blockchain is the same as in at least a second copy of the blockchain; validating the transaction request based on the determining a state of the account in a first copy of the plurality of copies of the blockchain is the same as in at least a second copy of the plurality of copies of the blockchain; and authorizing the transaction request based on the authentication and validation of the transaction request.

The invention relates to a nylon 6 polymerization production method capable of fully recycling extractable oligomers, and relates to the technical field of nylon 6 polymerization production processes, the nylon 6 polymerization production method comprises a nylon 6 polymerization section, a nylon 6 slice extraction section, a nylon 6 wet slice drying section, an extract evaporation and concentration section and an extractable oligomer cracking and recycling section; in an extractable oligomer cracking and recycling section, by adjusting process conditions such as temperature, pressure and water content of an oligomer extraction concentrated solution, deep cracking of extractable substances is realized, and all cracking products can be recycled into a polymerization section for recycling, so that rapid accumulation of cyclic dimers in polymers is inhibited, no residues are generated in the polymerization process, and the production cost is reduced. Accumulation of cyclic dimers in a system can be effectively slowed down, the service life of a polymerization reactor is prolonged, and the quality of polymer products is improved.

The invention relates to a preparation method and a preparation device of isocyanate, and the preparation method comprises the following steps: carrying out cold reaction on a phosgene solution and an amine solution in a cold reactor to obtain an intermediate mixed solution; separating the intermediate mixed solution by adopting a cyclone, obtaining a carbamoyl chloride mixed solution from an underflow port of the cyclone, and obtaining an amine hydrochloride mixed solution from an overflow port of the cyclone; the carbamyl chloride mixed solution enters a first thermal reactor for thermal reaction to obtain a first reaction product, and the amine hydrochloride mixed solution enters a second thermal reactor for thermal reaction to obtain a second reaction product; mixing the first reaction product and the second reaction product in a staying reactor to obtain an isocyanate reaction solution; and carrying out post-treatment on the isocyanate reaction liquid to obtain the isocyanate. The method can reduce the generation amount of urea by-products, further inhibits the generation of other subsequent by-products, reduces the chromaticity of the product, and improves the quality of isocyanate.

A Solid Phase Peptide Synthesis (SPPS) device and method of using the same for manufacturing peptides is taught herein. The system comprises at least two reactors, each reactor including a quantity of SPPS resin. The reactors are positioned in series. A de-protecting agent is added to the first reactor and then transferred to the second and third reactors, in series, thereby operating to de-protect the protected N-group. Wash solvent is added to the first reactor and then transferred to the second and this operation repeated several times. Likewise, an amino acid activated ester solution is added, in series, to the first, second and third reactors, thereby operating to couple the amino acid to the de-protected N-group. Wash solvent is added to the first reactor and then transferred to the second and this operation repeated several times prior to the next cycle. The use of the reactors in series reduces the overall solvent required. Online LCMS is also used to monitor progress and identity of reactions happening within the solid phase resin particles.

The invention provides a method for the exploration of chemical space through a multigenerational series of synthetic stages. In a first stage, a series of reactions is performed. The products of the first series are analysed, and a first product from the series of reactions is selected. The first product is used as a chemical input for each of the reactions in a second series of reactions. The products of the second series are analysed. The first and second stages are performed autonomously. The selection of a product in the first stage comprises the comparison of the products from the first series of reactions against a fitness function, where the selected product has a superior fitness compared with one or more other products in the first series. Each reaction in the first series differs in one or more chemical and / or physical inputs. Each reaction in the second series differs in one or more chemical and / or physical inputs. The invention also provides an automated exploration apparatus for performing the method, and the apparatus comprises a controller, and a chemical synthesiser and an analytical unit which are operable by the controller, as described herein.

The invention provides an inlet valve array, a cleaning method and a biosynthesis system based on the inlet valve array. A first connecting flow channel and a second connecting flow channel of the inlet valve array are connected with a cleaning main pipeline through pipelines; outlets of the first connecting flow channels of the two inlet valve arrays are connected with a first liquid inlet main pipeline through pipelines. A first connecting flow channel of one inlet valve array is connected with a second liquid inlet main pipeline through a pipeline, the first liquid inlet main pipeline and the second liquid inlet main pipeline are respectively connected with a column front input pipeline, and the column front input pipeline is connected with the input ends of a plurality of composite columns through a plurality of valves; an output end pipeline of each composite column is connected with an inlet of a post output pipeline through a corresponding valve; an outlet of the post-column output pipeline is connected with a discharge pipeline and a second liquid inlet main pipeline through valves; the device has the advantages that cross contamination generated when different materials are conveyed can be avoided, the synthesis purity is improved, and waste of the materials is reduced, so that the cost is reduced; and the pump can be switched without stopping.

Compositions and methods are provided for forming single-analyte arrays with enhanced characteristics for inhibiting orthogonal binding of molecules to the array. Arrays are modified to contain covalently incorporated passivating moieties at array addresses where orthogonal binding may occur. The compositions and methods may facilitate detection of an increased quantity of array features at single-analyte resolution.

The invention is directed to methods for massively parallel template-free enzymatic synthesis of a plurality of different polynucleotides of predetermined sequences. In one aspect, methods of the invention employ large scale arrays of reaction sites each associated with at least one working electrode for controlling deprotection and deblocking steps at predetermined user selected sites. In another aspect, the invention provides template-free enzymatic synthesis with proofreading, wherein completed polynucleotides at predetermined reaction sites are sequenced using a sequencing by synthesis technique, particularly employing electrochemically labile blocking groups.

Provided are systems and methods for analyte detection and analysis. A system can comprise an open substrate. The open substrate may be configured to rotate or otherwise move. The open substrate can comprise an array of individually addressable locations, with analytes immobilized thereto. The substrate may be spatially indexed to identify nucleic acid molecules from one or more sources, and / or sequences thereof, with the respective one or more sources. A solution comprising a plurality of probes may be directed across the array to couple at least one of the plurality of probes with at least one of the analytes to form a bound probe. A detector can be configured to detect a signal from the bound probe via scanning of the substrate while minimizing temperature fluctuations of the substrate or optical aberrations caused by bubbles.

The invention is directed to methods for massively parallel template-free enzymatic synthesis of a plurality of different polynucleotides of predetermined sequences. In one aspect, methods of the invention employ large scale arrays of reaction sites each associated with at least one working electrode for controlling deprotection and deblocking steps at predetermined user selected sites. In another aspect, the invention provides template-free enzymatic synthesis with proofreading, wherein completed polynucleotides at predetermined reaction sites are sequenced using a sequencing by synthesis technique, particularly employing electrochemically labile blocking groups.

The invention provides a production device and process for recovering electronic-grade phosphoric acid from waste etching liquid. The device comprises a raw material storage tank, a multi-stage filtration system, a phosphoric acid evaporation kettle, a purification system, a mixed acid storage tank and a neutralization reaction and crystallization system. The waste etching liquid enters an evaporation kettle after being subjected to multi-stage filtration to remove suspended solid particles, and phosphoric acid is separated from volatile nitric acid and acetic acid; and condensing the volatile acid into mixed acid for storage, and removing metal ions from the semi-finished phosphoric acid through a purification system to obtain the electronic-grade phosphoric acid. The mixed acid reacts with alkali to generate a mixed solution of sodium acetate and nitric acid, sodium acetate crystals are separated out through evaporation and concentration, a solid product is obtained after separation, nitric acid is obtained by condensing gas, and suspended particles and metal impurities are subjected to incineration treatment. Through the steps of filtering, negative-pressure evaporation, neutralization and crystallization and the like, the process realizes efficient recovery of electronic-grade phosphoric acid and byproducts of sodium acetate and nitric acid, and has the characteristics of high resource recovery rate and low pollution emission.

The electronic-grade silane gas continuous production preparation system comprises a cold hydrogenation treatment device, an inlet of the cold hydrogenation treatment device is connected with a raw material supply system, and an outlet of the cold hydrogenation treatment device is connected with a cold hydrogenation rectifying tower through a pipeline. The cold hydrogenation rectifying tower is sequentially connected with the boron and phosphorus removal adsorption column, the first-stage disproportionator, the first tower, the second tower, the second-stage disproportionator, the third tower and the fourth tower through pipelines, and electronic-grade silane in the fourth tower is used for being conveyed to a silane tank area; the first tower is used for removing silicon tetrachloride produced after the disproportionation reaction of the first-stage disproportionator; the second tower is used for separating the extracted chlorosilane material; the third tower is used for separating silane from chlorosilane; and the fourth tower is used for discharging light impurities and heavy impurities and conveying gas-phase electronic-grade silane into a silane tank area. The device and the method realize continuous, efficient and high-purity production of the electronic-grade silane gas, and have the advantages of low energy consumption, low cost, thorough impurity removal and the like.

The invention relates to a device for examining electrochemical processes in a plurality of electrochemical reactor units. The device has a reaction device with a plurality of electrochemical reactor units, a fluid supply unit, and an electroanalytical measuring device, wherein each of the electrochemical reactor units of the reaction device is designed to carry out a respective electrochemical reaction, and wherein each of the electrochemical reactor units has a plurality of electrodes which are designed to be connected to the electroanalytical measuring device. The fluid supply unit is designed to supply each of the plurality of electrochemical reactor units with fluids for carrying out the electrochemical reaction, and the electroanalytical measuring device is designed to examine electrochemical processes occurring in the plurality of electrochemical reactor units when the respective electrochemical reaction is carried out. At least one of the electrochemical reactor units has a plurality of components, wherein the reactor unit is composed of the plurality of components, and wherein an impedance of each of the plurality of components is known, and the device is designed to carry out a characterisation of the electrochemical processes in the plurality of reactor units, wherein, during the characterisation, measured values of the respective reactor unit are compared with measured values of the reactor unit composed of the components with known impedances.

A system and method for automated synthesis of a macromolecule from a nucleic acid template is provided, which includes a flow cell with a sipper, a mount with a thermal block, a pump, a selectable valve, a holder, an XYZ gantry, and a controller. The flow cell can be held in a fixed position while the gantry can move the holder to sippers of the flow cell. In this configuration, the sipper length can be reduced or minimized to reduce loss of precious reagents and the synthesized macromolecule.

The invention discloses high-throughput polypeptide synthesis equipment. The device comprises a transverse plate, a vertical plate vertically and fixedly arranged on the top of the transverse plate, a storage tank cabinet arranged on one side of the transverse plate, a liquid storage tank arranged in the storage tank cabinet, four supporting plates arranged on the top of the transverse plate in a bilateral symmetry mode, a plurality of reaction kettles arranged on the tops of the supporting plates, and a transverse moving assembly arranged on the rear side wall of the vertical plate. The transverse moving assembly is arranged on the base, the front-back moving assembly is arranged on the transverse moving assembly, the electric telescopic rod is arranged on the front-back moving assembly, the mounting plate is arranged at the telescopic end of the electric telescopic rod, the liquid adding needles are arranged on the mounting plate, and each liquid adding needle is independently connected to the corresponding liquid storage tank through a pipeline.

A flow control system for chemical synthesis and production integrates automation and real-time data processing. The system comprises a plurality of valves for reagent selection, pumps for fluid transport, inline instruments, and liquid handlers for sample collection. A computer control system manages flow sequences, flow rates, sample volumes, residence times, and wait times. The system utilizes artificial intelligence algorithms to optimize process controls. Reagent selection valves positioned upstream from pumps reduce the number of required pumps and allow the use of low-pressure valves. This configuration enhances efficiency and accuracy in combinatorial chemical experimentation.

The invention is directed to systems, apparatus and kits for automated synthesis of a plurality of polynucleotides in an array of reaction chambers using a template-free polymerase. In some embodiments, adaptive elements and processes are provided to monitor and control disruption of the synthesis process and fluid movement by enzyme aggregation.

The invention discloses an automatic polypeptide editing and synthesizing platform and an automatic synthesizing method. The automatic polypeptide editing and synthesizing platform comprises a working platform, and a synthesizing mechanism, a nitrogen blowing and liquid sucking mechanism, an automatic liquid injecting mechanism, a separating and detecting mechanism, a freezing treatment mechanism, a shaking table mixing mechanism, a centrifugal mechanism, a test tube rack mechanism and an enzyme labeling mechanism are arranged on the working platform; the mechanical arm mechanism is used for operating and synthesizing polypeptide; after the synthesis mechanism synthesizes a sample, the mechanical arm mechanism grabs a test tube from the test tube rack mechanism and receives the sample from the automatic liquid injection mechanism, and the sample is automatically operated and processed among the corresponding mechanisms; wherein the nitrogen blowing and liquid suction mechanism, the automatic liquid injection mechanism, the separation and detection mechanism and the enzyme labeling mechanism can be matched with the mechanical arm mechanism to automatically process samples. According to the structure, the whole process from polypeptide synthesis, purification, freeze-drying, dissolving agent filling, dialysis, centrifugal concentration to final elisa instrument characteristic testing can be completed on a unified platform.

The invention belongs to the field of chemical reaction equipment, and discloses a triple enhanced flow field structure for enhancing a micro-flow field reaction process, which comprises a channel shell and a flow field structure arranged in a channel, the channel shell comprises a mixing channel, an outlet and at least two inlet channels, all the channels are circular through holes, and the flow field structure is arranged in the mixing channel. The flow field structure is formed by sequentially and alternately arranging and combining first flow field structures and second flow field structures, at least two reaction fluids enter the mixing channel through the inlet channel to be mixed, and the mixed fluid flows out through the outlet. The invention provides a safe, efficient and easy-to-amplify micro-flow field chemical reactor, and provides a universal solution for industrial processes such as nano-emulsion preparation, heterogeneous catalytic reaction, drug-loaded microsphere preparation and the like.

The present invention relates to a computer implemented method performed by a device (600) configured to synthesize molecules, wherein the synthesizing comprises performing cycles of a plurality of process steps (PS1-PS4), wherein the synthesizing is controlled by blocks of parameters, the method comprising receiving an indication of a target molecule, generating a synthesizing process description (300) by generating a plurality of blocks (310) of parameters, each block (310) controlling process steps of a respective cycle, receiving user input indicative of modification of the generated plurality of blocks of parameters, modifying the generated plurality of blocks of parameters using the user input, controlling synthesizing of the target molecule by applying the modified plurality of blocks of parameters to control of the respective cycles.

The present invention relates to a pentose intermediate of fondaparinux sodium. It uses an automated system with automatic sample loading and automatic sampling and monitoring to automate the production of the three components (D+EF+GH), obtaining the fully protected pentose intermediate of fondaparinux sodium (Formula I). ​​This automated synthesis of the pentose intermediate of fondaparinux sodium saves labor, improves efficiency and productivity, and provides high safety and reproducibility. Direct online monitoring facilitates real-time optimization and monitoring of the reaction. Automatic temperature control better meets the needs for temperature rise and fall. A "pre-activation" one-pot mode is adopted, reducing the number of isolation steps and simplifying the operation. The commonly used ester protecting group is used, resulting in high stereoselectivity and yield, and a commonly used deprotection method can be used. [Formula 1] JPEG2023553939000024.jpg53170

The application discloses a gene chip and a gene chip detection device. The gene chip comprises a substrate and a positioning device fixed to the upper surface of the substrate; the positioning device is provided with a containing cavity used for containing microbeads; the containing cavity is opened on the surface of the positioning device away from the substrate; and the area of the containing cavity is gradually narrowed in the direction of the height of the positioning device towards the upper surface of the substrate. The gene detection device comprises the gene chip and the microbeads covered with fluorescent probes, and the microbeads are clamped in the containing cavity. The gene chip and the gene chip detection device of the application reduce the reflection of the surface of the containing cavity of the substrate to excitation light, and at the same time, the exposed area of the microbeads is increased. In the process of using the gene chip, the proportion of the fluorescence excited by the fluorescent probes on the microbeads in the light received by the detection device is increased, so that the accuracy of the gene chip detection is improved.

The invention discloses a multi-channel high-precision liquid injection device for DNA synthesis and a method thereof, and relates to the field of deoxyribonucleic acid synthesis equipment.The multi-channel high-precision liquid injection device comprises a device shell; the movable mounting box is arranged at the bottom in the device shell in a sliding mode, a mounting groove is formed in the top of the movable mounting box, a clamping plate is arranged at the top in the mounting groove, and a plurality of combined columns are arranged on the clamping plate; and the cover plate is rotationally arranged on the fixed plate through a connecting rod. According to the invention, through the modularized liquid injection head assembly and the flexibly configured sequence identification system, the device can carry out multiple groups of different DNA synthesis operations at the same time, so that the synthesis flux and flexibility are obviously improved; by means of the driving and guiding mechanism and the electromagnetic coupling technology, efficient and accurate positioning of the liquid beating head in a two-dimensional plane is achieved, and the contradiction between multi-channel processing and positioning accuracy is solved.

The present disclosure relates to processes for suspending stretched nucleic acids over surface features. These processes can be used to prepare stretched nucleic acids that are more active in enzymatic reactions and other reactions than those laid down on a flat surface. These processes can be achieved by using a photoresist layer on top of a substrate, stretch a nucleic acid on top of the surface, and then remove part of the photoresist to form surface features that suspend the stretched nucleic acid. Furthermore, the formation of a hydrogel layer over the stretched nucleic acid and the surface features can transfer the stretched nucleic acid to the hydrogel for further reactions, including enzymatic reactions.