30 results about "Chemical transformation" patented technology

The invention relates to recombinant bacillus subtilis for displaying PRRSV ER protein on spore surfaces, a construction method and application. The recombinant bacillus subtilis is obtained by constructing a recombinant vector which takes spore capsid protein CotB as anchoring protein and displays PRRSV ER protein on the surface by using a genetic engineering method on the basis of an integrated plasmid pDG364, and transforming the recombinant vector into wild bacillus subtilis 168 by using a chemical transformation method, and has genetic stability; and loss in the passage process is avoided. According to the strain, antigen protein is directly displayed on the surfaces of spores, crushing is not needed, animals can be immunized through direct material mixing or water drinking, and the tedious process of large-scale injection is avoided. And due to the good stress resistance of the spores, the strain is easy to store and transport, and the cost is remarkably reduced. The strain can induce specific immune response, provides a new way for prevention and treatment of PRRSV, and is suitable for development of commercial vaccines.

The invention discloses a method for catalytically synthesizing alpha-disubstituted ester, amide, malonic acid monoester or monoamide from disubstituted Meldrum's acid. By developing a new strategy for promoting the ring-opening reaction of the disubstituted Meldrum's acid by alkali, the disubstituted malonic acid monoester or monoamide can be efficiently prepared, and compared with the previous method, the strategy can obtain the target product at the room temperature at the yield of 99%. The method successfully breaks through the limitation of the existing disubstituted malonic acid monoester synthesis method, and enriches the types of target compounds. Besides, a series of novel disubstituted malonic acid monoesters are obtained, and simple chemical conversion is applied to obtain a series of disubstituted malonic acid derivatives with quaternary carbon centers. Then, under the action of a chiral organic catalyst, chiral disubstituted malonic acid monoester is obtained with high yield and high enantioselectivity. And a solid foundation is laid for subsequent application of the compounds in subjects of materials, medicines and the like.

The invention discloses a method for preparing isopentenyl indole alkaloid Debromolustramine B. The isopentenyl indole alkaloid Debromolustramine B belongs to the technical field of organic synthesis, an o-bromo aniline aldehyde compound is used as an initial raw material, and on the basis of novel chiral p-toluene sulfinyl guidance, cheap copper catalysis amido alpha-position arylation and 3, 3-dimethyl allyl bromide cyclization reaction, the isopentenyl indole alkaloid Debromolustramine B is synthesized, and the isopentenyl indole alkaloid Debromolustramine B is obtained. According to the present invention, the key aryl quaternary carbon chiral center in the isopentenyl indole alkaloid Debomolustramine B is constructed, and the isopentenyl indole alkaloid Debomolustramine B with the butyrylcholine esterase inhibition activity is prepared through the subsequent series of chemical conversion, such that the material basis is provided for the further research of the natural product Debomolustramine B and the analogue thereof. The method has the advantages that the reaction conditions are mild, the cheap metal copper is used as the catalyst, the synthesis route is short, the energy consumption is low, the environmental protection is facilitated, and the large-scale chiral preparation of the isopentenyl indole alkaloid Debromofloutramine B is facilitated; the method also has the characteristics of relatively good atom economy and high product yield.

The invention discloses a knockout fragment of a biofilm dispersion regulating gene spo0J and its application, and belongs to the technical field of microbial genetic engineering. The knockout fragment of the biofilm dispersion regulating gene spo0J of the invention has a nucleotide sequence as shown in SEQ ID NO.3. The target fragment of the knockout spo0J gene, i.e., the knockout fragment of the biofilm dispersion regulating gene spo0J, is obtained by overlapping PCR; the fragment is transformed into a wild-type FZB42 by a chemical transformation method to obtain a spo0J knockout strain △spo0J. Compared with the wild-type FZB42, the △spo0J strain has a significantly improved level of indoleacetic acid (IAA) secretion; the relative expression levels of tryptophan synthesis genes trpB, trpC and indoleacetic acid (IAA) synthesis gene ysnE are significantly increased.

This invention discloses a deep learning-based method for VOCs pollution feature analysis and source tracing. The method includes acquiring online monitoring time-series data of VOCs and synchronous meteorological parameters of the monitoring area, constructing a multidimensional input tensor after preprocessing, building a deep neural network model containing a spatiotemporal feature extraction module and a source apportionment regression module, extracting nonlinear chemical coupling features and temporal evolution features between VOCs components using a one-dimensional convolutional neural network and a bidirectional long short-term memory network, and weighting and fusing them using meteorological parameters, and finally decoding and outputting the source component spectrum and temporal contribution rate that conform to physical constraints through the source apportionment regression module to generate a pollution feature map. This invention effectively solves the problem that traditional receptor models struggle to handle nonlinear chemical transformations and complex meteorological couplings, improves the accuracy and physical interpretability of VOCs pollution source tracing, and has online update capabilities to adapt to environmental changes.

Described is a plant and process for biomass treatment, where the plant is configured to actuate said process which comprises:-a step A of thermochemical treatment of transformation of a biomass into a carbonaceous solid, where this transformation involves treating the biomass at a treatment temperature of between 150°° C. and 300° C. and at a treatment pressure of between 10 atm and 50 atm for 0.5-8 hours, in the presence of water, with accessory production of a treatment gas;-a step B of mixing the treatment gas with an auxiliary gas, to obtain operating gas;-a step C of thermochemical decomposition of the carbonaceous solid in an atmosphere consisting of the operating gas, where the thermochemical decomposition is suitable to obtain a combustible synthesis gas. step.

The invention discloses a silicon powder filter stick regeneration compound and a silicon powder filter stick regeneration process for a polycrystalline silicon production enterprise, belongs to the technical field of chemical cleaning, is used for realizing regeneration of a silicon powder filter stick so as to meet the use requirements of the silicon powder filter stick, and has the characteristics of convenience in compound preparation, simplicity in process operation and no pollution to the environment. The regeneration compound consists of a chemical transformation compound and a scale cleaning compound; the chemical transformation compound consists of 30.4 to 31.6 percent by weight of a transformation agent, 0.22 to 0.25 percent by weight of a catalyst and the balance of water; the scale cleaning compound consists of 14.8 to 15.3 percent by weight of a scale cleaning agent, 0.15 to 0.16 percent by weight of a corrosion inhibitor, 0.26 to 0.28 percent by weight of a masking agent and the balance of water; the regeneration process comprises a first chemical transformation process: soaking the silicon powder filter stick in a chemical transformation compound at the temperature of 155-160 DEG C for 8.3-8.6 hours, and a second scale removal process: soaking the silicon powder filter stick in a scale removal compound at the temperature of 86-92 DEG C for 3.0-3.2 hours.

In this invention is described: a) the preparation of a new heterogeneous catalyst based on mesoporous silica with variable geometry of pore arrangement, covalently functionalized by an ionic liquid and as a counterion a tungsten polyoxometalate (Keggin acid); b) the application of this catalyst with dual action: Bronsted-Lowry acid and oxidizing agent; and c) its application in chemical reactions is described as: condensation, oxidation, polymerization, and esterification. This type of catalyst offers the following advantages in the chemical industry 1) reusable; 2) promotes different transformations in a single stage, attributed to their acidic and oxidizing characteristics (dual action); and 3) efficiency in the chemical transformations described, which allow to obtain precursors of homogeneous hydroprocessing catalysts, of interest for some projects of transformation of heavy crude oils in situ.

A method (and corresponding apparatus) of analyzing the behavior of an electrochemical double layer (EDL) by replacing a classic capacitor in an astable multivibrator circuit with an electrochemical cell. By pushing the EDL into resonance, the induced charging and discharging of the double layer results in a square waveform output that has a characteristic frequency audible to the human ear. Variations in the electrolyte concentration and identity yield distinct frequencies. The method provides sensory insight into EDL rearrangement and behavior with an apparatus that is simple and robust. The apparatus allows the analysis of time-dependent EDL rearrangements occurring upon the application of a voltage. The apparatus provides insight, via an audible signal perceptible to the human ear, into the fundamental electrochemical principles governing chemical transformations.

The invention discloses a recombinant escherichia coli strain with high mutation frequency and a construction method and application thereof, and the construction method comprises the following steps: connecting a double-chain cytosine deaminase coding gene DddA from burkholderia to a plasmid pACYC Duet-1 through a seamless cloning technology to obtain a recombinant plasmid pACYC-tDddA-1416; the method comprises the following steps: on the basis of pACYC-tDddA-1416, introducing S1416P mutation by virtue of a cyclization PCR (Polymerase Chain Reaction) technology, so as to obtain a recombinant plasmid pACYC-tDddA-S1416P with high mutation frequency; the method comprises the following steps: carrying out chemical transfer to obtain escherichia coli BL21-pACYC-tDddA-S1416P; the method comprises the following steps: on the basis of pACYC-tDddA-1416, introducing S1416P mutation by virtue of a cyclization PCR (Polymerase Chain Reaction) technology, so as to obtain a recombinant plasmid pACYC-tDddA-S1416L with high mutation frequency; and the escherichia coli BL21-tDddA S1416L is obtained through chemical transfection. The recombinant escherichia coli strain with high mutation frequency provided by the invention can be used for adaptive evolution, and the method is simple and convenient.

The invention relates to a system and process for thermo-chemical transformation of mixed wet waste streams using a rotary kiln reactor equipped with a multi-annular concentric feed assembly. A central conduit introduces wet food waste mixed with plastics, biodegradable packaging, and fluorinated materials, while an intermediate annulus supplies auxiliary fuel and an outer annulus delivers oxidant gas under controlled sub-stoichiometric conditions. The kiln operates through sequential zones of reduction, partial oxidation, and complete oxidation to convert organics into hydrogen, carbon monoxide, methane, and finally carbon dioxide and water. Halogens and sulfur compounds are converted to hydrogen halides and hydrogen sulfide, which are neutralized downstream with calcium oxide to form stable salts. Heat recovery from the flue gas produces steam or hot water. The process eliminates pre-drying, allows co-processing of wet and dry wastes, and provides efficient energy recovery in a compact, scalable configuration. The invention eliminates the need for pre-drying or segregation, enabling simultaneous treatment of heterogeneous feedstocks.

Disclosed herein is a method of generating a combinatorial library of products having a diverse array of properties. In particular, the method comprises: (a) selecting one or more pairs of reactants comprising complementary functional groups; (b) mapping all possible bond arrangements between the complementary functional groups of each pair to provide a library of possible products; (c) analyzing one or more properties of each possible product to select one or more products with desired properties (desired products); and (d) synthesizing the one or more desired products. Further disclosed herein is a method that involves the retrosynthetic reduction of a complex molecule into simple starting materials.

Method for manufacturing a printed circuit board with a metallic conductor structure (109, 119) comprising the steps a. Provision of a base substrate (101) formed as a film or plate with a first substrate side (101a) and a second substrate side, which consists at least partially of an electrically non-conductive organic polymer material and in which the first substrate side (101a) is covered with a cover metal layer (102), and b. partial removal of the top metal layer (102), where the top metal layer is removed in sections (102) c. a mask layer (103) is applied to the top metal layer (102), d. the mask layer (103) is removed in sections, so that the first substrate side (101a) is divided into at least one first sub-area (104) in which the first substrate side (101a) is covered only with the cover metal layer (102), and into at least one second sub-area (105) in which the first substrate side (101a) is covered with the cover metal layer (102) and by the mask layer (103), and e. the cover metal layer (102) in which at least one first sub-area (104) is removed, characterized by the fact that f. the mask layer (103) in the first sub-area (104) is removed by an etching treatment using an etching solution and prior to the etching treatment to remove the mask layer (103) in the first sub-area (104) a phase transformation or a chemical transformation is effected in the mask layer (103), wherein the mask layer (103) consists of an inorganic semiconductor or a compound of an inorganic semiconductor or of a polymer material which can assume at least a partially crystalline state and an amorphous state.

Described herein is a method for chemically breaking down per- and polyfluoroalkyl substances (PFAs), whereby to convert the PFAs to products that are more friendly to the environment than are per- and polyfluoroalkyl substances. Also described are compositions containing PFAs and components that under the conditions described herein effect such breakdown, as well as an apparatus that can be used to effect the chemical transformation.

The invention discloses a pollutant source quantitative analysis method based on multivariate data and SHAP interpretation. The method comprises the following steps: data collection: acquiring related data of atmospheric pollutants of a to-be-analyzed source; data cleaning and preprocessing: checking observation data, and cleaning and removing abnormal values; carrying out machine learning modeling; model performance evaluation: evaluating model fitting effect parameters, selecting different machine learning model schemes, obtaining optimal hyper-parameters of respective models through grid search, and comparing fitting results of different models in an optimal state to obtain a model with an optimal fitting effect; quantizing unknown pollutant source contribution: based on the optimal model, applying an SHAP method, setting Baseline as 0, distributing and obtaining the contribution of each parameter to the unknown P, and combining with the known P to realize quantification of multiple sources of pollutants; the method can start from observation data, does not depend on an emission list, and comprehensively considers the contribution of emission, chemical conversion and transmission processes to pollutant sources.

A process for preparing polyethylene and polypropylene polyolefin waxes by thermal depolymerization of polyethylene and polypropylene thermoplastic resins, and preparing polyethylene waxes within a certain viscosity range and molecular weight to transform into 100% biodegradable polyethylene waxes in a short period of time; the depolymerization process discloses a reaction of polyethylene thermoplastic resins to prepare polyethylene waxes provides a chemical transformation in the molecules of the polyethylene wax, making them subject to subsequent oxidation; the oxidized polyethylene waxes obtained has excellent quality and are also waxes with biodegradability characteristics in a short period of time, such as the original non-oxidized waxes; such oxidized waxes can be emulsified or dispersed in an aqueous medium, while maintaining the biodegradability characteristics, as the original oxidized waxes, and enabling the use in liquid, semi-pasty or pasty form.

The invention relates to the technical field of single crystal growth, and discloses a directional solidification purification and crystal growth method for trace germanium in hydrometallurgy tailings, which comprises the following steps: forming a suspended liquid germanium melting zone; while the tailing powder raw material is supplied, a controlled trace oxidizing atmosphere is introduced to convert conductive impurities into non-conductive oxides; non-conductive impurities and non-conductive oxides are separated by using electromagnetic mechanical difference of induction heating; according to the method disclosed by the invention, through a synergistic mechanism of a physical barrier and chemical conversion, the problem of form incompatibility of powder which cannot be directly fed in a suspension zone melting technology is solved, secondary pollution caused by traditional ingot casting is avoided, and the method is suitable for large-scale production. According to the method, the principle limitation that the segregation coefficient is larger than that of impurities due to directional solidification is avoided, and growth from tailings to high-purity crystals is achieved.

The utility model relates to a device for recovering phosphorus in graphitized tail gas of a phosphorus-containing carbon material, in particular to the technical field of ink material treatment devices. Comprising a furnace body, a gas treatment pipeline, an anti-blocking mechanism, a gas inlet pipe, a blow-off pipe and a deposition plate. The phenomenon that ash volatile matters generated in the graphite purification process contain phosphorus, and the phosphorus is extremely easy to chemically convert in a pump body, so that the load of the vacuum pump is too large, and the vacuum pump is stuck and shut down is avoided; and as the ash volatile matters are mixed with phosphorus-containing substances, the blockage phenomenon is easily caused, and the high-temperature purification efficiency in the phosphorus-containing carbon purification process becomes poor.

The present application relates to coal chemical process control technical field, and disclose a kind of based on data-driven coal chemical transformation process control method.The temperature, pressure sensor is calibrated on line by forming independent acquisition channel, constructs whole field temperature and pressure state vector, establishes partition index and threshold according to data distribution, and real-time depicts spatial difference;Then use sample to generate dimensionless error model, introduce comprehensive load constraint and construct dual lagrangian function, unify safety constraint and optimization target, form temperature and pressure pair scheduling index, obtain executable control increment after conversion, and be allocated to each measuring point according to partition proportion difference, closed-loop operation and dual factor dynamic switching in fixed cycle, realize whole process adaptive, safe and reliable collaborative control.

The invention provides a reservoir transformation method and device for sealing and storing carbon dioxide based on a depleted oil and gas field, and relates to the technical field of carbon dioxide geological sealing and storing. According to the method, the reservoir located in the depleted oil and gas field is determined through geological exploration, well logging and core analysis, reservoir related parameters, related to the carbon dioxide sequestration performance, of the reservoir are determined, the reservoir geologic model is established based on the reservoir related parameters through numerical simulation software, and the migration and sequestration process of carbon dioxide in the reservoir is simulated. The storage potential and the transformation requirement of the reservoir are evaluated; under the condition that the storage potential meets the condition, the reservoir is subjected to fracturing transformation through the hydraulic fracturing technology according to the transformation requirement; after fracturing transformation of the reservoir is completed, a chemical treatment agent is injected into the reservoir to conduct chemical transformation on the reservoir, and the chemical treatment agent comprises a surfactant and a clay stabilizer; and after the reservoir is transformed, carbon dioxide to be sealed and stored is injected into the reservoir.

The invention relates to the technical field of coal chemical industry process control, and discloses a coal chemical industry conversion process control method based on data driving. Temperature and pressure sensors are calibrated on line, independent collection channels are formed, full-field temperature and pressure state vectors are constructed, partition indexes and threshold values are established according to data distribution, and spatial differences are described in real time; generating a dimensionless error model by using a sample, introducing a comprehensive load constraint, constructing a dual Lagrange function, unifying a safety constraint and an optimization target, forming a temperature and pressure paired scheduling index, performing conversion to obtain an executable control increment, and differentially distributing the executable control increment to each measuring point according to a partition proportion, and closed-loop operation and dual factor dynamic switching are carried out in a fixed period, so that whole-process self-adaptive, safe and reliable cooperative control is realized.

The present invention relates to a method for producing supported catalysts, comprising: providing a metal foam element A, which consists of metallic cobalt, an alloy of nickel and cobalt, or an arrangement of layers of nickel and cobalt, lying one over the other; applying an aluminum-containing powder MP to metal foam element A in order to obtain metal foam element AX; thermally treating metal foam element AX to achieve alloy formation between metal foam element A and aluminum-containing powder MP, in order to obtain metal foam element B; oxidatively treating metal foam element B, in order to obtain metal foam element C; and applying a catalytically active layer, comprising at least one support oxide and at least one catalytically active component, to at least part of the surface of metal foam element C, in order to obtain a supported catalyst. The present invention further relates to the supported catalysts that can be obtained using the method and to the use of said supported catalysts in chemical transformations.

This application relates to the field of biomass material processing technology and discloses a method for preparing bio-based materials based on rose fibers. The method includes: mixing rose biomass powder, a reactive modifier system composed of choline chloride, anhydrous citric acid, and zinc acetate dihydrate, and deionized water to obtain a premix; subjecting the premix to a first-stage low-temperature thermal induction at 70-95°C to promote the chemical transformation of the epidermal stratum corneum; subsequently raising the temperature to 110-150°C for a second-stage high-temperature in-situ reaction to construct a metal coordination crosslinking network; and finally obtaining the product through cooling, pulverization, and hot pressing. This invention, through a graded temperature control process, utilizes in-situ generated fatty acid metal soaps for internal lubrication and metal ion coordination bonds for reinforcement, solving the problems of difficult processing, low strength, and poor water resistance of rose waste. The resulting material exhibits excellent thermoplastic processing properties, mechanical strength, and hydrophobicity.

The invention discloses a method for analyzing water body environment pollutant conversion based on GC-HRMS (Gas Chromatography-High Resolution Mass Spectrometry) data, which comprises the following steps: acquiring GC-HRMS mass spectrum data of a water body environment, and extracting mass spectrum characteristics of each component; performing compound qualification based on the mass spectrum characteristics to obtain a candidate compound, and converting the candidate compound into a standardized structure definition formula; calculating the chemical structure similarity between the candidate compounds, and constructing a structure similarity molecular network; verifying connections in the structural similarity molecular network by applying a chemical conversion rule, and screening and outputting an environment conversion path with high reliability; according to the invention, structural group characteristics of compounds in complex samples can be systematically revealed; the false positive is reduced, the reliability of the incidence relation of the compounds in the molecular network is improved, and a more accurate and explainable result is provided for analysis of the compounds in a complex sample.

This invention discloses a biological agent for treating fresh tobacco leaves and a method for treating fresh tobacco leaves. The biological agent for treating fresh tobacco leaves is prepared by the following method: S1. A single colony of *Pseudomonas paraxanthum* ZY-03 (CGMCC NO.24422) is selected to prepare a seed culture; S2. Field-discarded fresh tobacco leaves are washed, ground at low temperature, and then the fresh tobacco pulp is ultrasonically crushed and filtered at low temperature. The filtrate is filtered through a membrane to obtain fresh tobacco pulp; S3. The seed culture is added to the fresh tobacco pulp, and fermentation is carried out; S4. The fermented pulp is ultrasonically crushed at low temperature, centrifuged, and the supernatant is collected, which is the biological agent for treating fresh tobacco leaves. When the biological agent of this application is sprayed onto fresh tobacco leaves and subjected to initial curing, the aroma components generated from the chemical transformation of the tobacco leaves, and the Maillard reaction that occurs under high-temperature curing conditions, further improve the quality of the fresh tobacco leaves.

The present invention discloses a risk assessment method and system for pesticide residues in traditional Chinese medicines, which specifically relate to the technical field of traditional Chinese medicine quality control. The method is used to solve the problem of inaccurate assessment caused by ignoring the influence of processing technology on pesticide morphological transformation and the synergistic toxicity of multiple pesticides in the existing technology. The method obtains pesticide residue detection data and processing technology parameters; associates with a pesticide chemical transformation database to determine the transformation morphology and conversion rate; quantifies toxicity weights based on biological network topology data and a graph convolution model; combines chaos theory with a recurrent neural network to fuse environmental disturbances to correct actual residues; dynamically optimizes weights for the synergistic effects of multiple pesticide residues; generates cross-batch risk warnings based on historical data; and significantly improves the accuracy of pesticide residue toxicity assessment through multi-dimensional dynamic coupling analysis, thereby reducing the safety risks of pesticide residues in traditional Chinese medicines.

Provided are: a calculation method whereby a chemical change pathway can be analyzed in a relatively short amount of time even for a gas having a more complex molecular structure than hydrogen, oxygen, and methane and for which various elementary reactions are expected to occur; and an analysis system that uses the analysis method. The method for analyzing a chemical change pathway of a gas according to the present invention is characterized by comprising: a step for inputting information about a gas system; a step for calculating the frequency of collisions between molecules constituting the gas and determining a first time slot, which is the frequency at which a change in the number of molecules is calculated; a step for executing a molecular dynamics calculation and calculating the number of molecules on the basis of atomic coordinates data extracted for each of the first time slots; a step for calculating the amount of change in the number of molecules for each of the first time slots by using the difference in the number of molecules in each of the first time slots; a step for selecting the time slot in which the absolute value of the amount of change in the number of molecules is the largest; and a step for analyzing the chemical change pathway by extracting atomic coordinates data on the basis of a second time slot for the time slot in which the absolute value of the amount of change in the number of molecules is the largest, wherein the first time slot is larger than the second time slot.

A process for the manufacture of isononanol, the process comprising subjecting a feedstock comprising ethanol of a renewable source to dehydration to produce an ethylene stream of a renewable source. The renewable source ethylene stream is subjected to olefin mutual conversion to obtain a renewable source C4-olefin stream comprising n-butene, isobutene, or a mixture of n-butene and isobutene. The interconversion of olefins comprises (i) and, if desired, (ii), or (ii) and (iii): (i) dimerization of ethylene to obtain n-butenes; (ii) isomerizing the n-butenes obtained according to (i) to obtain isobutene; (iii) blending the n-butene obtained according to (i) with the isobutene obtained according to (ii). Subjecting the C4-olefin stream of renewable origin to a series of chemical conversions to obtain isononanol, comprising: oligomerizing the C4-olefin stream of renewable origin to produce dibutene; subjecting these dibutenes to a hydroformylation reaction with synthesis gas to obtain isononanal; and hydrogenating the isononyl aldehyde to produce isononyl alcohol. The method provides a reaction scheme for isononyl alcohol of renewable sources.

The invention discloses a modular genome transformation system of yarrowia lipolytica, a transformation method and application. Belongs to the technical field of gene engineering. The system provided by the invention adopts a three-level modular design: an L0-level element is a standardized biological component library and comprises a promoter, a coding region, a terminator and other single functional units subjected to sequence domestication; the L0 component is combined into a complete functional module (such as a gene expression cassette or a selection marker) by the L1-level element through GoldenGate assembly; the L1-level element is a homologous recombinant vector targeting specific genome sites (such as KU80 and 26s rDNA), the L1 module is connected in series to a pUC57 skeleton with a homologous arm through a SapI enzyme, the method realizes accurate integration of multiple sites and multiple genes through a CRISPR-Cas9 auxiliary conversion and chemical conversion method, and solves the bottleneck problems of poor site adaptability, difficult iteration, high cost and the like in the prior art.

The invention relates to methods for producing supported catalysts, comprising: providing a metal foam element A made of nickel; applying an aluminum-containing powder MP to metal foam element A, such that metal foam element AX is obtained; thermally treating metal foam element AX in order to form an alloy between metal foam element A and the aluminum-containing powder MP, such that metal foam element B is obtained; oxidatively treating metal foam element B, such that metal foam element C is obtained; and applying a catalytically active layer, comprising at least one carrier oxide and at least one catalytically active component, to at least one part of the surface of metal foam element C, such that a supported catalyst is obtained. The invention also relates to the supported catalysts obtained according to the method, and to the use thereof in chemical transformations.