E3S Web Conf.
Volume 14, 2017Energy and Fuels 2016
|Number of page(s)||10|
|Published online||15 March 2017|
Synthesis on research results of FGD gypsum briquetting
1 AGH University of Science and Technology, Faculty of Mechanical and Robotics, al. Mickiewicza 30, 30-059 Cracow, Poland
2 Trzuskawica S.A., Sitkówka 24, 26-052 Nowiny
* Corresponding author: firstname.lastname@example.org
FGD gypsum products can be characterized by significant solubility in water and dusting in dry state. These characteristics can cause a considerable pollution of air, water and soil. Among many approaches of preparing utilization of this waste, the process of compaction using briquetting has proved to be very effective. Using FGD gypsum products a new material of fertilizers characteristics has been acquired and this material is resistant to the conditions of transportation. This paper presents results of experimental briquetting of flue gas desulphurisation products in a roll press. The experiments were conducted in a laboratory roll presses LPW 450 and LPW 1100 equipped with two interchangeable forming rings that form material into saddle-shaped briquettes with volume 6,5 cm3 and 85 cm3. The experiments were conducted with various percentage amounts of FGD gypsum moisture. The results provided information regarding influence of moisture and roll press configuration on quality of briquettes. On the basis of obtained results, technological process and a general outline of technological line for FGD gypsum were developed. Two roll presses of own construction with different outputs were identified as appropriate for this purpose. A range of necessary works related to their adaptation for the FGD gypsum briquetting were pointed out.
© The Authors, published by EDP Sciences, 2017
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