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Ivanka Stoycheva

4 linked publication records

Author: Ivanka Stoychevaclear all
Showing 1-4 of 4 records
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SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Energy and Clean Technologies
Publication

NOVEL SYNTHESIS METHOD OF CARBON MATERIALS FROM REFUSE-DERIVED FUEL

(STEF92 Technology, 2021-12-20, Georgi Georgieva, Ivanka Stoycheva, Boyko Tsyntsarski, Kalina Miteva, M. Ferhat Yardim)

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RDF (Refuse Derived Fuel) is obtained from the highly combustible components of household and industrial waste. RDF is mainly used in European countries with a high standard for waste recycling, such as Austria, Germany and the Netherlands. A method for the synthesis of carbon materials and composites based on RDF, coal pitch, petroleum coke and others has been developed. Some of the used components of RDF are: cardboard, polyethylene and polypropylene. The first step in the synthesis process is oxidation, perform...

Ecology and Environmental Protection2021
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Energy and Clean Technologies
Publication

REMOVAL OF ORGANIC SUBSTANCES AND MERCURY IONS BY CARBON MATERIALS FROM REFUSE DERIVED FUEL

(STEF92 Technology, 2021-12-20, Ivanka Stoycheva, G. Georgiev, Boyko Tsyntsarski, Rumiana Zaharieva, Angelina Kosateva)

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The development of industrialization worldwide also leads to pollution of ground waters, surface and drinking waters. In order to obtain high quality drinking water, the European Union proposes to develop appropriate methods for purifying water from priority pollutants and potentially hazardous substances. One appropriate method is adsorption, which is a relatively affordable and inexpensive technology for highly efficient water treatment. The aim of the present study is to investigate the adsorption capacity of c...

Ecology and Environmental Protection2021
SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Energy and Clean Technologies
Publication

SYNTHESIS AND CHARACTERIZAION OF GRAPHITIC CARBON FOAM AND APPLICATION AS ADSORBENT FOR PHENOL

(STEF92 Technology, 2021-12-20, Ivanka Stoycheva, Boyko Tsyntsarski, G. Georgiev, Pavlina Dolashka, Bilyana Petrova)

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Carbon foam is advanced porous material with multiple high-technology applications, due to its structure, light weight, high thermal stability, high thermal and electrical conductivity. Potential applications of carbon foam are construction of ship and aerospace modules, rocket nozzles, radar adsorbing systems; fuel cells, battery electrodes, nuclear shields, rods for nuclear reactors; prosthetics, etc. In this work a new method for preparation of carbon foam is demonstated, using precursors mixtures of organic su...

Ecology and Environmental Protection2021
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