Doc. RNDr. , Ph.D. Jana Kotovicová

Analysis of household waste composition and segregation in Blansko city

Czech Republic, as a member of the EU in accordance with Directive 99/31/EC on the landfill must reduce the amount of biodegradable waste sent for landfill. One of the conditions of use of the landfill are the provisions relating to biodegradable waste: part of municipal waste biologically degradable placed on the landfill must be gradually reduced in accordance with the schedule of waste management plans of the Czech Republic, namely: to reduce by 2010 to 75% by 2013 to 50% and up to 2020 to 35% of the total (by weight) of biodegradable mu-nicipal waste produced in 1995. Their production depends on the type of buildings. For the purposes of research were carried out in Blansko study (survey), on the composition of waste from households. ...

Mgr. Ing. Magdalena Vaverková

Doc. RNDr. , Ph.D. Jana Kotovicová

Ing. Dana Adamcová

Testing the biodegradability and biodegradation rates of degradable/biode-gradable plastics within simulated environment

The objective of this study was to evaluate and compare the biodegradability and biodegradation rates of ‘single-use' plastic bags available on the market and labeled as degradable/biodegradable. The test was carried out under both aerobic and anaerobic conditions. The project length was 20 months. The biodegradation results in the laboratory conditions demonstrate that none of the degradable/ biodegradable bags showed visual changes and/or were broken into pieces and none of them experienced any disintegration or degradation. The cellulose filter paper (CFP) completely degraded after 10 days in the aerobic conditions and after 5 month in the anaerobic conditions, implying that the conditions required for biodegradation to occur in a sampling environment were present.     ...

Ing. Dana Adamcová

Mgr. Ing. Magdalena Vaverková

Doc. RNDr. , Ph.D. Jana Kotovicová

Disposal of unused tires in the Czech Republic

The worldwide production of waste tires (so called "end of life tires" - ELT) grows every year. The same situation is in the Czech Republic and in the countries of the European Union, but also in the world. Every year about 3.4 million tonnes of used tyres (part worn + end of life tyres) are generated in Europe, of which 3 million tonnes are either recycled or recovered. This amounts to approximately 300 million units. The composition and energy characteristics of tires are a signif-icant source of material, energy and also raw material. Calorific value tires ranges from approximately 25 to approximately 32 MJ • kg-1. The calorific value is comparable with conventional fossil fuels, which is due to the high proportion of hydrocarbons (over 75%). For these reasons, an alternative tire conventional fuels. The aim of the research is focused on the second part of product life cycle - the tire at the end of lifetime. The main possibilities of utilization of used up tires after end of their life are as follows: retreading, recycling (production of granulate), energy and material utilization in a cement factory, pyrolysis (production of pyrolytic products) and formerly used waste storing. Another objective of ...