In this work, the utilization of iron(II) hydroxide (Fe(OH)2) slurry as the absorbent in wet flue gas desulfurization was investigated. The most important reason for selecting Fe(OH)2 is that iron sulfate, formed by captured sulfur dioxide, can be converted back to Fe(OH)2. First, in the experiments, a bubble column was used with continuous gas and liquid flow. Second, perforated plates were used in the same column. Lastly, a magnetic field was applied to this multiplate bubble column so that the flow of Fe(OH)2 slurry could be affected by the magnetic field because of the electric charge of Fe2+. It was found that the multiplate bubble column performed better than the single‐stage bubble column, and application of the magnetic field further enhanced the absorption efficiency.

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In this study, various parameters (coal particle size, temperature, mixing speed, electrode material and addition of Fe +2 ion) affecting hydrogen production by electrolysis of Çanakkale/Çan lignitewater slurries were investigated. Experiments were carried out in two electrode (anode/cathode) electrolysis cell, in acidic medium using 1 M H2SO4 as electrolyte at atmospheric pressure. Figure A. Electrolysis system Purpose: In this study, it is aimed to obtain an approximation of optimum hydrogen production conditions by examining the effects of various parameters such as coal particle size, electrode material, temperature, mixing speed and catalytic effective additives added to solution on hydrogen production by electrolysis of Çanakkale/Çan lignite. Theory and Methods: By using coal in the electrolysis method, it is possible to reduce the cost resulting from high energy consumption and thus more economical production of high purity hydrogen. For this purpose, Çanakkale/Çan lignite was used in the experiments. In the experiments carried out in simple electrolysis cell, the effect of various parameters on current density was investigated by potentiostatic method. All examined parameters and their effects on current density are given in the paper. Results: The results have shown that the highest hydrogen production efficiency for the electrolysis cell in which the experiments are carried out is achieved by using Zn/Zn electrode at high temperature, Fe +2 /Fe +3 doped medium, small particle size and high mixing speed. In addition to this, it is determined that Cu and Zn, which are more economical than expensive electrode materials such as Pt, can be used as electrode material. Conclusion: The effects of various parameters (coal particle size, electrode material, solution temperature, solution mixing speed and catalytic additive added to the solution) on current density for hydrogen production by electrolysis of Çanakkale/Çan lignite are presented in this study. Depending on the determined parameters for hydrogen production, an approach has been obtained regarding optimum hydrogen production under the studied conditions. In addition, due to the low calorific value of Çan lignite, which is a low-rank coal in terms of coalification process, its usage area is limited. With this conducted study, it is seen that utilization of low-rank coals in this type of applications can be achieved with very efficient results.

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The aim of SEEP2017 is to bring together the researches within the field of sustainable energy and environmental protection from all over the world.The contributed papers are grouped in 18 sessions in order to provide access to readers out of 300 contributions prepared by authors from 52 countries.We thank the distinguished plenary and keynote speakers and chairs who have kindly consented to participate at this conference. We are also grateful to all the authors for their papers and to all committee members.We believe that scientific results and professional debates shall not only be an incentive for development, but also for making new friendships and possible future scientific development projects. Increasing efforts and resources have been devoted to research during environmental studies, including the assessment of various harmful impacts from industrial, civic, business, transportation and other economy activities. Environmental impacts are usually quantified through Life Cycle Assessment (LCA). In recent years, footprints have emerged as efficient and useful indicators to use within LCA. The footprint assessment techniques has provided a set of tools enabling the evaluation of Greenhouse Gas (GHG) -including CO2, emissions and the corresponding effective flows on the world scale. From all such indicators, the energy footprint represents the area of forest that would be required to absorb the GHG emissions resulting from the energy consumption required for a certain activity, excluding the proportion absorbed by the oceans, and the area occupied by hydroelectric dams and reservoirs for hydropower.An overview of the virtual GHG flow trends in the international trade, associating the GHG and water footprints with the consumption of goods and services is performed. Several important indications have been obtained: (a) There are significant GHG gaps between producer's and consumer's emissions -US and EU have high absolute net imports GHG budget. (b) China is an exporting country and increasingly carries a load of GHG emission and virtual water export associated with consumption in the relevant importing countries. (c) International trade can reduce global environmental pressure by redirecting import to products produced with lower intensity of GHG emissions and lower water footprints, or producing them domestically.To develop self-sufficient regions based on more efficient processes by combining neighbouring countries can be a promising development. A future direction should be focused on two main areas: (1) To provide the self-sufficient regions based on more efficient processes by combining production of surrounding countries. (2) To develop the shared mechanism and market share of virtual carbon between trading partners regionally and internationally. HAKAN SERHAD SOYHAN 4 Development in energy sector, technological advancements, production and consumption amounts in the countries and environmental awareness give shape to industry of energy. When the dependency is taken into account in terms of natural...