1958results about "Process control/regulation" patented technology

Disclosed herein are cell processing systems, devices, and methods thereof. A system for cell processing may comprise a plurality of instruments each independently configured to perform one or more cell processing operations upon a cartridge, and a robot capable of moving the cartridge between each of the plurality of instruments.

Disclosed herein are cell processing systems, devices, and methods thereof. A system for cell processing may comprise a plurality of instruments each independently configured to perform one or more cell processing operations upon a cartridge, and a robot capable of moving the cartridge between each of the plurality of instruments.

Disclosed herein are cell processing systems, devices, and methods thereof. A system for cell processing may comprise a plurality of instruments each independently configured to perform one or more cell processing operations upon a cartridge, and a robot capable of moving the cartridge between each of the plurality of instruments.

The invention provides a flexible preparation system and method for sustainable aviation fuel, and the system comprises a green power supply module which is used for outputting fluctuating green electric energy; the process execution device is connected with the green power supply module and comprises five process modules, namely an air carbon capture module, a co-electrolysis module, a Fischer-Tropsch synthesis module, a hydrogen production module and a hydrogenation refining module; the data acquisition module is used for acquiring the temperature, the pressure, the liquid level, the raw material input flow and / or the product output flow of each process module in the process execution device; and the decision control module is used for predicting the future power supply condition of the green electricity based on the historical weather data of the green electricity location, adjusting the distribution of the power in each process module according to the future power supply condition, and adjusting the temperature, pressure and / or raw material input flow in each process module. According to the invention, the cost, the reliability, the operation and maintenance performance, the product quality and the green power utilization rate can be substantially improved at the same time, and the flexible and stable operation of the system under the green power condition is realized.

The invention relates to the technical field of temperature control, in particular to an enzyme reaction kettle self-adaptive temperature control system and method, and the system comprises a temperature detection module, a temperature control module, a heat conduction oil flow control module and an automatic regulation and control module; temperature data of a reaction kettle are collected in real time through a temperature detection module, a temperature control module adjusts parameters based on a PID algorithm and fuzzy logic to generate a control instruction, and a heat conduction oil flow control module adjusts flow by combining double-closed-loop cascade control with a feedforward compensation algorithm, so that thermal inertia lag is shortened. And the automatic regulation and control module generates optimized process parameters based on a reaction kinetic model and a genetic algorithm, and dynamically adjusts a temperature set value. The control method comprises the steps of temperature data acquisition, PID control instruction generation, conduction oil flow coordinated regulation, process parameter optimization and the like. The problems that in the prior art, temperature control precision is insufficient, conduction oil flow control is not accurate enough, and technological parameters cannot be automatically regulated and controlled are solved.

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 deep learning and automatic control chemical reactor and a resource recovery method, and relates to the technical field of hydrometallurgy, and the deep learning and automatic control chemical reactor comprises a chemical reactor, a motor, a heating device, a monitoring device, a data center and a PLC control system. Based on a PLC control system, a Transform-LSTM time sequence prediction model is integrated, so that real-time monitoring of parameters such as mixed liquid temperature, reaction chamber pressure, mixed liquid viscosity, conductivity and the like in a wet leaching reaction process can be realized; and the heating power of the heating device, the rotating speed of the motor, the raw material adding amount of the feeding port, the mixed material discharging time of the discharging port and the air displacement of the air exhaust port can be automatically and accurately controlled. The problems that stirring efficiency is low, parameter regulation and control are lagged, and manual experience is relied on are solved, through a predictive control strategy, the real-time monitoring and dynamic regulation level is remarkably improved, the wet leaching process is optimized, energy consumption is reduced, the high-grade metal leaching efficiency is improved, and the method is suitable for various wet metallurgy processes.

The embodiment of the invention provides a hydrochloric acid PH control device in a germanium oxide production process and a control method thereof, and belongs to the field of chemical process automatic control. The device comprises an acid liquor storage tank used for storing raw liquor hydrochloric acid and connected to an acid mixing tank through a raw acid feeding control valve; the acid mixing tank is used for mixing an acid solution with a diluent and is connected to the pH regulation reaction tank through a mixed acid feeding control valve; the alkali liquor storage tank is connected to the pH regulation reaction tank through an alkali liquor adding control valve; the pH regulation reaction tank is used for receiving the mixed acid liquor and the alkali liquor and regulating the pH value of a reaction system, and is provided with a pH sensor for detecting the pH value in real time; and the control unit is used for dynamically adjusting the opening degree of each valve by adopting an improved fuzzy self-adaptive PID control algorithm according to a detection result of the pH sensor so as to control the pH value to be within a target range. According to the scheme, the problems of overshoot and lag caused by traditional fixed parameter PID adjustment are solved, and therefore the stability of the pH value of the solution and the consistency of the technology in the germanium oxide production process are guaranteed.

The invention relates to the technical field of automatic control, in particular to a monitoring method and system for synthesizing ceramide based on alpha-hydroxy fatty acid, and the monitoring system for synthesizing ceramide based on alpha-hydroxy fatty acid comprises a raw material feeding module, a reaction control module, a quenching-crystallization joint control module and a data integration module; carrying out dynamic weighing monitoring on the raw materials based on the received synthesis instruction, and starting a reaction kettle according to weighing data; performing multi-dimensional data acquisition in real time according to the set reaction data, and performing dynamic feeding control according to the set reaction data; when the TLC detection substrate reaction is completed, the cooling process and the crystallization process are regulated and controlled in real time according to the reaction data until the end point judgment standard is met; according to a received synthesis completion instruction, product quality data is obtained, a monitoring data packet is generated, the synthesis instruction is marked and then stored, process control is accurately monitored and controlled, and the purity and crystal form of the product are ensured.

The invention relates to the technical field of guanidine nitrate preparation, in particular to a method for preparing guanidine nitrate by a continuous dynamic tubular reaction process, which comprises the following steps: uniformly mixing dicyandiamide, target ammonium nitrate and target ammonium carbonate according to a mass ratio of 1: (1-3): (1-0.5); conveying the uniformly mixed material to a feeding section in a dynamic tubular reactor through a first conveying screw rod for mixing treatment, wherein the dynamic tubular reactor further comprises a heating section, a reaction section and a cooling section; sequentially conveying the target mixed material to a heating section for heating melting treatment, a reaction section for synthesis reaction treatment and a cooling section for cooling forming treatment through a second conveying screw rod to obtain an initial product; conveying the initial product into a cooling and crushing device for cooling and slicing to obtain a target guanidine nitrate product. According to the method disclosed by the invention, the mass and heat transfer efficiency can be improved, the online quantity and liquid holdup of the material are reduced, meanwhile, the raw material ratio and the reaction path are optimized, and the safety and the product purity are improved.

The invention discloses a device for continuously preparing adiponitrile from adipic acid by supergravity, which is characterized in that a specially designed gas-in-liquid mixed feeding mode is firstly adopted, so that liquid of a falling film assembly is uniformly dispersed as far as possible, and meanwhile, by accurately controlling the reaction temperature in the falling film assembly, side reactions are reduced; secondly, the contact mode of gas and liquid of the falling film assembly is changed, the gas-liquid countercurrent contact mode is changed into gas-liquid parallel flow, and the liquid is prevented from being stopped in a pipeline through the gas-liquid parallel flow; and finally, mixing and mass and heat transfer effects of adipic acid and ammonia molecules in the reaction process are enhanced by using a supergravity assembly, so that adipic acid decomposition and coking in a bubbling section of a traditional reactor are effectively slowed down, the reaction efficiency and the product yield are improved, and side reactions are reduced.

The invention relates to the technical field of chemical automation control, and discloses an intelligent closed-loop control system for producing p-dichlorobenzene by a biomass method, which comprises a signal acquisition module, a residence time reconstruction module, a thermal coupling analysis module, a parameter self-adaptive scheduling module and an execution control module. The rheological characteristics of raw materials are monitored by collecting the current of a stirring motor, the liquid level is dynamically increased through a retention time reconstruction module to prolong the retention time of the materials, and a liquid level periodic migration strategy is introduced to prevent scaling of a gas-liquid interface; the thermal coupling analysis module and the parameter self-adaptive scheduling module are used for calculating thermal retardation post factors, temperature control parameters are corrected in real time, the upper limit of cooling output is limited, inner wall supercooling crystallization is prevented, and the problems that the conversion rate is reduced, the heat transfer efficiency is reduced and equipment is hung on the wall due to viscosity fluctuation of biomass raw materials are effectively solved. And the self-adaptive stable control of the reaction process is realized.

Disclosed herein are cell processing systems, devices, and methods thereof. A system for cell processing may comprise a plurality of instruments each independently configured to perform one or more cell processing operations upon a cartridge, and a robot capable of moving the cartridge between each of the plurality of instruments.

The invention relates to a safety early warning method and system for continuous production of hydrolytic polymaleic anhydride, and the method comprises the steps: L1, in the continuous production process of hydrolytic polymaleic anhydride, obtaining the data information of the temperature of a reaction kettle in real time based on a temperature sensor on the reaction kettle, data information of pressure of the reaction kettle is acquired in real time based on a pressure sensor on the reaction kettle, data information of rotating speed of a stirrer in the reaction kettle is acquired in real time based on a tachometer on the reaction kettle, and data of temperature and pressure of the reaction kettle and data of the rotating speed of the stirrer are fused by adopting an improved multi-modal model level fusion algorithm. And constructing a combined characteristic matrix of the reaction kettle. According to the invention, the operation state of the reaction kettle can be accurately predicted in advance, and safety early warning is carried out, so that the quality of the product is ensured to meet the standard, the whole monitoring process does not need manual participation, the manual error is reduced, and the production efficiency of hydrolytic polymaleic anhydride is improved.

The invention belongs to the technical field of anti-freezing solution production, and particularly relates to an automatic anti-freezing solution blending device for a hydraulic support, the automatic anti-freezing solution blending device comprises an axial position ring, a main body unit is arranged in the outer side space of the axial position ring, a regulation and control unit is arranged on the outer wall of the axial position ring, and a feedback unit is arranged on one side of the regulation and control unit; according to the invention, the change state of the interaction force between the external paddle and the flowing anti-freezing solution is fed back to the axial position ring in real time through the crank, and the deviation state between the frame type stirring paddle and the axis of the kettle body is changed in real time when the radial component force between the paddle and the anti-freezing solution is gradually increased; the method is beneficial to the non-homogenization of gaps (small near-wall side gaps and large far-wall side gaps) between the frame type stirring paddle and the inner wall of the kettle body, promotes the generation of stronger shearing force in a small-gap region, inhibits the circumferential symmetric flowing state of an anti-freezing solution in a boundary layer, and promotes the backflow of the anti-freezing solution in a large-gap region, thereby promoting the axial mixing of the anti-freezing solution and improving the stability of the anti-freezing solution. An anti-freezing liquid layer is effectively dispersed, and the swirling tendency is reduced.

The invention discloses a reaction device based on dichlorobenzonitrile synthesis and a use method thereof, and relates to the field of reaction devices.According to the technical scheme, the reaction device comprises a reaction tank and a cover located at the top end of the reaction tank, a heating interlayer is arranged on the reaction tank, and a spiral conveying pipe surrounding a reaction cavity in the middle of the reaction tank is arranged in the heating interlayer; the heating medium is conveyed through the spiral conveying pipe, and the gap between the heating interlayer and the spiral conveying pipe is filled with the heat preservation material, so that the heating medium is conveyed around the reaction cavity in the heating interlayer through the spiral conveying pipe, and the spirally distributed conveying pipe can enable the heating medium to uniformly act on the outer wall of the reaction cavity; heat loss is reduced through the heat preservation material between the heating interlayer and the spiral conveying pipe, accurate control and uniform distribution of the reaction temperature are achieved, side reactions caused by local overheating are avoided, and therefore generation of polychlorinated impurities is reduced, and the purity of the dichlorobenzonitrile product is improved.

The present invention discloses a monatomic fluid driven carbon dioxide methanation conversion system and a method of use, comprising an absorption device and a desorption conversion device, wherein the liquid outlet of the absorption device is connected to the first inlet of a heat exchanger via a first pump, the first outlet of the heat exchanger is connected to the inlet of a desorption conversion device, the liquid outlet of the desorption conversion device is connected to the second inlet of the heat exchanger via a second pump, and the second outlet of the heat exchanger is connected to the liquid inlet of the absorption device via a cooler. The use of monatomic fluid as a solvent in the present invention can not only generate electric charge and effectively solve the problem of high energy consumption caused by desorption of CO2 due to thermal desorption, but also couple thermal and electric charge effects to greatly break through the high energy consumption bottleneck caused by reaction temperature faced by traditional thermal desorption, and greatly reduce the reaction energy barrier and reaction heat. During the desorption process, the charge effect of the molecules in the solvent combined with CO2 can promote the realization of efficient methanation conversion of CO2.

The invention provides an energy system for synthesizing green methanol based on biomass gasification and oxygen-enriched combustion, and belongs to the technical field of new energy. The energy system comprises an electrolysis system, an oxygen-enriched combustion system, a methanol synthesis system, a biomass gasification system and an ammonia-process carbon capture unit, an oxygen outlet of the electrolysis system is communicated with the oxygen-enriched combustion system, and a hydrogen outlet of the electrolysis system is communicated with the methanol synthesis system; oxygen generated by the electrolysis system is supplied to the biomass oxygen-enriched combustion system for supporting combustion, and hydrogen is supplied to the methanol synthesis system; a hydrogen outlet of the biomass gasification system is communicated with the methanol synthesis system; a carbon dioxide outlet of the oxygen-enriched combustion system is communicated with the methanol synthesis system through the ammonia-process carbon capture unit; the material energy flow of the energy system is adjusted through hydrogen generated by the biomass gasification system, and the adjusting flexibility of the energy system is improved; the concentration of carbon dioxide output by the oxygen-enriched combustion system is concentrated through the ammonia-process carbon capture unit, and the pretreatment requirement of methanol synthesis is met.

The invention discloses a method for preparing methylaluminoxane by directly hydrolyzing trimethyl aluminum and a reaction device, and belongs to the technical field of chemical products. Comprising the following steps: introducing low-temperature methane gas containing gas-phase water into a trimethylaluminum organic solution, carrying out hydrolysis reaction under the dual effects of ultrasonic vibration and mechanical stirring and mixing, and filtering to remove solid substances after the reaction is completed, so as to obtain a methylaluminoxane solution. According to the method for preparing methylaluminoxane through direct hydrolysis of trimethyl aluminum, the hydrolysis quality of methylaluminoxane can be guaranteed, generation of gels such as aluminum hydroxide is effectively controlled, and the product yield is greatly increased; and the byproduct methane is high in purity, can be recycled and is free of environmental pollution and energy waste, so that the production cost is remarkably reduced.

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.

The invention belongs to the technical field of functional sugar alcohol hydrogenation, and particularly relates to a system and a method for intelligently controlling a reaction kettle in a functional sugar alcohol hydrogenation process. Comprising a temperature sensor TT, a pressure sensor PT, a liquid level sensor LT, a hydrogen concentration sensor TZT and a spectrum sensor, and the sensor networks are arranged on a reaction kettle body, a feeding pipeline, a condenser and a hydrogen recovery device. The device is used for collecting temperature, pressure, liquid level and hydrogen concentration in the reaction kettle and spectral data of an outlet sugar alcohol product in real time. The control execution layer comprises a PLC (Programmable Logic Controller), a dynamic valve controller, temperature control equipment and a stirrer speed regulation module; and the dynamic valve controller is connected to the hydrogen supply pipeline and the feeding pump. The hydrogen flow, the temperature and the stirring speed are adjusted in real time through AI dynamic optimization, the sugar alcohol conversion rate is increased to 5%, and the conversion rate fluctuation range is reduced to + / -0.5%.

According to the portable solid-phase synthesis reaction device, in the portable solid-phase synthesis reaction device, a support module comprises a synchronous belt lead screw nut; the motor driving module is installed on one side of the upper end edge of the support module to serve as a power source component for adjusting the size of the composite column cavity, the motor driving module comprises a stepping motor and a synchronous wheel, the synchronous wheel is installed on an output shaft of the stepping motor, and the synchronous belt is arranged on the synchronous wheel and the synchronous belt lead screw nut in a sleeving mode; the lead screw lifting module is installed on the column top support to serve as an execution component for adjusting the size of the composite column cavity and comprises a transmission lead screw, a piston unit is installed at the lower end of the transmission lead screw, and the transmission lead screw is in threaded connection with a synchronous belt lead screw nut. The synthesis column body module is mounted in the middle between a column top support and a bottom plate of the support module to serve as a synthesis carrier to be filled and a solid-phase synthesis reaction vessel, and the synthesis column body module comprises a synthesis column.

The invention relates to the field of material preparation, and discloses a preparation method and system for realizing a silylene heating material, and the method comprises the following steps: firstly, obtaining a high-purity silicon raw material, analyzing purity factors, screening basic raw materials, measuring key components, then constructing a synthesis process route according to the components, proportioning reaction aids to optimize active parameters, and finally preparing a silylene heating material. The method comprises the following steps: preparing a silylene initial product by using chemical vapor deposition equipment, analyzing a crystal structure, evaluating lattice quality based on structural data, formulating a post-treatment process to remove impurities, detecting a heating performance index to calculate heating efficiency, constructing a material heating framework, querying a heat conduction factor to generate a preparation process flow, and finally establishing a quality control system according to the process flow. And querying heat fluctuation mining data, and generating a preparation management strategy. The material preparation efficiency of the silylene heating material can be improved.

The invention relates to the technical field of anti-corrosion primers, and provides an airplane outer surface anti-corrosion primer and a nitrogen protection-based anti-corrosion primer preparation method, the primer comprises 40-45 parts of modified phosphosilicate resin, 10-12 parts of a composite curing agent, 18-20 parts of an anti-rust pigment, 4 parts of an auxiliary agent and 25 parts of a solvent. The preparation system integrates a preparation cylinder, a separation mechanism, an auxiliary mechanism and a stirring mechanism, wherein the separation mechanism adopts dynamic centrifugal filtration to remove gt; and the auxiliary mechanism realizes on-line cleaning of the inner wall through spraying of an annular pipe. The preparation method comprises the processes of hybrid resin synthesis, curing agent mixing, pigment coating modification and multistage centrifugal purification. According to the primer, through the synergistic passivation effect of a hybrid resin compact network and the composite pigment, the salt spray resistance and adhesive force are remarkably improved, the preparation efficiency is high, and the impurity content is low. The problems of insufficient corrosion resistance, non-uniform dispersion and production pollution of a traditional coating are solved, and the coating is suitable for long-acting protection in an aviation high-salt-spray environment.

The invention relates to the technical field of supervision and control, in particular to a polyethylene chlorination reaction control system which comprises a hot-pressing time difference extraction module, a viscosity variable-speed recognition module, a chlorine pressure collaborative trend division module, a response centralized recombination module and a stirring amplitude management and control module. According to the method, a multi-source variable data structure is unified through period numbers, cooperative sections with consistent trend directions are constructed, response feature fragments in a continuous period are recognized by combining fluctuation frequency and adjustment amplitude feature extraction, the behavior boundary of each variable in the time dimension is unified, and the recognition precision of multi-variable abnormal evolution is improved; a regulation and control reference is established through trend classification and strength grading, structured expression and controllability analysis of periodic behaviors are realized, the matching between the regulation rhythm and the variable trend is enhanced, and a regulation and control strategy is enabled to have clear boundary recognition, period tracking and behavior intervention capabilities.

The invention belongs to the technical field of alkane processing, and particularly relates to a process for preparing isopentene by dehydrogenation of isopentane, a catalyst and a tert-amyl alcohol preparation process. The process for preparing isopentene by dehydrogenation of isopentane comprises an isopentane dehydrogenation device and an isopentene separation device, in the isopentane dehydrogenation device, a dehydrogenation reactor is a fixed bed adiabatic reactor and is filled with a Pt-Sn-K / alumina type alkane dehydrogenation catalyst, the catalyst has hydromethanation performance under the CO2-containing dehydrogenation reaction condition, and the arrangement and operation of a dehydrogenation reactor group comprise a mode A, a mode B or a mode C; the isopentene separation device comprises a cooling separation system, a pressure swing adsorption separation system and an optional rectification system. The tert-amyl alcohol is further prepared from isoamylene under the conditions of a fixed bed hydration reactor, ethylene glycol monobutyl ether and other solvents, and the tert-amyl alcohol product is obtained through separation. The process is superior to the prior art on the whole, and has certain application prospects.

The invention discloses a cross-linking agent production control system and method based on the Internet of Things, and relates to the technical field of chemical production control, the system is composed of a plurality of functional modules, and the system comprises a data acquisition module for obtaining spectral data in a reaction kettle and obtaining temperature data and pressure data of different positions on the wall of the reaction kettle; the data processing and control module is used for converting the spectral data into reaction data of a cross-linking agent intermediate product based on a meta-calibration model; on the basis of the temperature data and the pressure data of different positions, state data, including a local overheating area and a pressure abnormal area, of a cross-linking agent intermediate product are identified by adopting an image identification and mode analysis algorithm; and the decision execution module is used for establishing a dynamic model fusing the production characteristics of the cross-linking agent based on the reaction data and the state data, training an ML model by using historical data and real-time IoT data based on the dynamic model, and automatically generating and executing an optimal control strategy under security constraints.

The invention relates to a device and a method for forming carbon dioxide hydrate by a continuous layer stripping method, and relates to the technical field of carbon capture. According to the device, the part under the roller is immersed in water, and the roller continuously rotates to continuously dip the water below the roller on the peripheral surface of the roller, so that a water film is formed, the gas / liquid contact area is increased, and the dissolving process of carbon dioxide in the flue waste gas into the water is accelerated; and a scraper is fixedly mounted on the side surface of the roller and can hang the solid hydrate on the peripheral surface of the roller into the material collecting box, and at the moment, the peripheral surface of the roller is exposed again to be used for adhering a water film and continuously generating the solid hydrate, so that efficient capture and separation of the carbon dioxide in the flue waste gas are realized.

The invention discloses a solid-phase tackifying, cooling and humidifying system and a solid-phase tackifying, cooling and humidifying process for nylon. The cooling and humidifying of a slice are realized while a high-viscosity nylon slice is produced; on the basis of the prior art, a cooling function and a humidifying function are innovatively combined, and remarkable technical progress is achieved. According to the system, an interlocking control system of a cooling circulation nitrogen flow meter, a regulating valve and a temperature and dew point detector is additionally arranged on a cooling unit, so that dynamic regulation of the gas-solid ratio (0.05-0.5) of supplied gas and graded dew point control are realized, and the water content control precision is improved to + / -50ppm from + / -100ppm of a traditional process. By optimizing the nitrogen circulation path and the retention time (1.5-6 hours), a single set of system can be compatible with production modes with different water content requirements of 400-1000 ppm, the investment is saved by 40% and the energy consumption is reduced by 20% compared with a mode of additionally arranging humidifying equipment, the remarkable technical advantages are shown, and the industrial application prospect is good.

The invention relates to a method for generating a signal for adjusting a parameter of an ethylene oxide production process, comprising the steps of acquiring (100) process data of the ethylene oxide production process, predicting (200) a future value of the parameter from the process data, comparing (300) the future value with a predefined reference, and generating a signal for adjusting the parameter of the ethylene oxide production process. And generating (400) the signal for adjusting the parameter as a function of the result of the comparison.