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The utility model deals with a catalyst in the form of solid particles containing activated carbon, on which metal oxides selected from the group of MgO, La2O3, Sm2O3 and CuO are deposited. The catalyst can also be supported on a nanofibrous carrier for fixing in a batch reactor stirrer. The catalyst is intended for the valorization of primary alcohols, especially ethanol and butanol, associated with the condensation of new carbon-carbon bonds to form hydrocarbons and hydrocarbon derivatives with a carbon chain longer than four.

The technical solution provides seismically resistant connection of wooden floor structures with supporting walls. The device is primarily designed to increase the resistance and ensuring the integrity of masonry buildings with wooden ceilings during seismic action and its dissipation by friction.

Preparation of concentrated suspensions of graphene oxide from graphene for the preparation of derivatives, functionalized graphene oxide samples and for the preparation of composites.\n

A suspension of nanoparticles of graphene prepared from nature graphite for use as a filler in the aqueous polymer composites, transparent coatings and for the synthesis of high quality graphene oxide.\n

The technical solution refers to a preparation based on ethanol and ethanol-water extract of the plant, or\nroot biomass of sedge (Carex lepidocarpa), to mitigate the effects of Covid-19.

Telemetric station in a robust IP67 metal shield is designed for the measurements of a number of quantitative and qualitative water characteristics, various environmental quantities, and for the construction of meteorological station networks. The station is equipped by a number of input and recording canals and enables wireless data transmit using a freely available 868 MHz radio network. The station transfers the data using the build-in GSM module into the internet server and simultaneously it can send out and receive warning and controlling SMS. As the power consumption is very low and SW works in a power save mode it can operate 6 months without the exchange of an accumulator (12V/9Ah). In order to recharge the accumulator by a solar panel, the station contains an efficient power supply regulator. The station is equipped by a plentiful software packages enabling, besides other things, autodiagnostic processes using various control canals. Build-in controlling procedures and PID regulators with binary and analogue outputs allow operating/controlling both simple technological devices and more complex monitoring sets.

Use of hydrolysates from animal wastes to remove metals from contaminated soils from industrial sites as a substitute for Chelaton2.

An incinerator is a technological facility used to dispose of waste. In the past, incinerators were seen only as waste disposal facilities, but now incinerators can also make a significant contribution to recycling. A waste-to-energy plant, or WEEE, is a modern facility in which the heat contained in otherwise unusable municipal waste is converted at high efficiency into electricity and heat, which is then fed into the public grid. While a conventional incinerator is only used for waste disposal, an energy recovery facility uses waste to generate heat and electricity.

The results is focused on solidification of air pollution control residue (APCr) from waste-to-energy plant. The amount of waste for landfilling is lower compare to raw APCr, and solidificate can be landfilled as non-hazardous waste.

The principle of the technical solution resides in using the enzyme with cyanide hydratase activity, coded by the gene with the accession no. EU282000.1 (GenBank). The catalyst itself is whole cells of Escherichia coli, or the cell extract or the purified enzyme. All these catalysts transform cyanide into formamide.