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project info
Start date: 1 April 2017
End date: 30 March 2020
funding
Fund: European Regional Development Fund (ERDF)
Total budget: 410 768,72 €
EU contribution: 410 768,72 € (100%)
programme
Programming period: 2014-2021
Managing authority: Nemzetgazdasági Minisztérium Gazdaságfejlesztési Programokért Felelős Helyettes Államtitkárság

DEVELOPMENT OF INNOVATIVE FINE-GRAINING TECHNOLOGIES LABORATORY AT THE UNIVERSITY OF MISKOLC IN THE CENTRE OF EXCELLENCE FOR SUSTAINABLE NATURAL RESOURCE MANAGEMENT

In the framework of this project, we have set out to develop an innovative fine-graining and grain design technology laboratory in which we will upgrade the range of tools for fine grinding (including nanogrinding) and grain analysis themes, creating a knowledge centre. Within the framework of the project, we intend to acquire 6 tools and 1 modeling software, which are related to conscious product regulation and measurement of material characteristics, mostly unique nationally. The first step of the project is the launch of a public procurement procedure. This is followed by the conduct of the procedures and the execution of the procurement, the installation of equipment, suppliers, distributors, manufacturers, and the training of its operation, which will be attended by 2-3 responsible colleagues per device. Procurements can be completed within 18 months of the project. After successful commissioning, we will test the devices for which we plan to have 6 months. This is done by using the tools in ongoing R & D assignments and projects. The 18-month implementation period of project implementation is followed by a 5-year maintenance period, during which we intend to use the tools in R & D assignments and projects in order to fulfil the indicators and binding commitments. The tools to be procured in the project will complement the infrastructure existing in other laboratories of the Institute and the Institute (ME). In this way, a set of tools is created with which we can explore in a complex way the relationship between the production conditions of micronised and nanonised materials and their material characteristics. Thanks to the previous and current project, small and high energy density mills (mixing mills, traditional ball mills, planet mills) are available on the line of the process-centered research branch in laboratory and semi-production sizes, fine graders (item and zigzag classifier, air grading), pelletisers. For the material-centered research strand, this project’s tools are well complemented by the existing infrastructure, FTIR spectrometer, XRD for monitoring structural transformations, zeta-potential meter to determine the stability of suspensions (and particle size distribution from 1 nn to 5 µm), laser diffractometer, XRF device to determine chemical composition. The tools and software will serve the following professional-scientific tasks: 1. Camera grain size and shape analyser: the tool based on dynamic image analysis can determine the size distribution and shape distribution of particles of products produced by grinding and mechanical activation, which will be a unique tool in our country. This is of great use in terms of the technical characteristics of the products, as the size of the granules is of great importance in terms of surface material and energy transport processes. The tests are planned in a wet medium due to improved dispersibility, and also equipped with an ultrasonic dispersing unit. The lower limit of the test particle size shall be at least 1 µm and the upper limit shall be at least 500 µm. 2. Multifunctional powder rheometer: it is intended to test the flow properties of the produced granular material set, which will also be unique in Hungary, able to measure the dynamic flow energy of dusts, shearing and bulk characteristics (density, permeability, compressibility) Suitable for determining the shear strength of powders in shear cell. Furthermore, it is able to measure the wall friction between the dust and the surface of the appliance and determines the changes in the density of the dust under the influence of different compacting forces. With this we will be able to determine the characteristics of dry submicron and nanogrinded products with altered flow properties, the cohesion forces between granules. 3. High energy density planetary mill: the device is suitable for cold, hard, medium hard materials for nanogrinding and mechanical activation, mechanofusion, and the development of specialised functional nano-composite materials, which currently does not have a domestic university or academic research institute. The particle size of the final product is 0,1 µm (material dependent). Due to the high centrifugal acceleration (60 g), the equipment is suitable for not only grinding the sent materials but also their structure (through mechanochemical reactions). Mechanical activation under the protective gas provides an opportunity to avoid oxidation processes. Grinding space of different sizes gives the possibility to enlarge the size. The grinding ball of different sizes and materials (zirconium oxide, stainless steel) provides the possibility to accurately adjust the energy intensity. 4. Isothermal calorimeter: the equipment is suitable for measuring the heat generated during chemical processes as a reaction rate indicator, which we are not aware of the occurrence of a device in Hungary. The high-precision isothermal calorimeter contains eight channels and cells...

Flag of Hungary  Borsod-Abaúj-Zemplén, Hungary