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1.
Revitalization of the Walter Perić Power Plant in Sarajevo : master thesis
Merima Tica, 2021, magistrsko delo

Opis: The master thesis focuses on the analysis and research of Sarajevo’s central area of Marijin Dvor, and specifically the revitalization of the electrical power plant Walter Perić. The focus is on understanding the proper ways in which degraded zone and dilapidated buildings ought to be revitalized, but also the benefits of revitalizing city cores. It is a multifaceted discourse, thus, the research focuses on industrial heritage and brownfield development in the context of Sarajevo’s City Planning Strategy, as well as, the concept of ruins. The analyses culminate in project offering a new urbanism proposal for the degraded zones in Marijin Dvor, with a focus on the adaptive reuse of the former electrical power plant complex with a new cultural program.
Ključne besede: industrial heritage architecture, adaptive reuse, ruins, Marijin Dvor, Sarajevo
Objavljeno v DKUM: 28.09.2021; Ogledov: 819; Prenosov: 108
.pdf Celotno besedilo (102,03 MB)

2.
Biomimetic membranes for forward osmosis application in industrial wastewater treatment
Jasmina Korenak, 2018, doktorska disertacija

Opis: The problem of wastewater is increasing as we face tighter regulations in limiting parameters for discharge into sewers or surface waters. At the same time, the challenge is also how to upgrade existing technology and identify new appropriate technologies for purification of industrial wastewater for re-use. The optimal solution, which can give the appropriate quality of purified water at acceptable operating costs also is not straightforward. However, increasing environmental legislative demands combined with increased fresh water consumption can facilitate implementation of emerging technologies which at the current state are not fully mature. Forward Osmosis (FO) is one such recent achievement which is considered as a promising membrane process and potentially a sustainable alternative to reverse osmosis (RO) process for wastewater reclamation and sea/brackish water desalination. However, there are many limiting parameters (e.g. membrane fouling, draw solutions) in FO process that needs to be studied and improved. To reduce the membrane fouling in FO, many improvements were attempted, e.g. synthesis of different membrane materials, fabrication of membrane modules, membrane coating etc. One of the novelties in membrane development research field is biomimetic membranes incorporate in separation processes. They employ natural proteins known as AQPs (aqpourins) to regulate the flow of water, providing increased permeability and near-perfect solute rejection. Membrane surface characteristics were measured on virgin, used and cleane membrane in order to confirm the resistance to different types of industrial wastewater and sewage.
Ključne besede: biomimetic membrane, forward osmosis, industrial wastewater, reverse osmosis, textile wastewater, ultrafiltration, wastewater reuse
Objavljeno v DKUM: 25.07.2018; Ogledov: 1882; Prenosov: 123
.pdf Celotno besedilo (4,64 MB)

3.
MUSIC STUDIO - ARCHITECTURAL ALTERATIONS FOR CONVERSION AND REUSE OF AN OLD BARN IN BODENSDORT, CARINTHIA
Tadej Kočevar, 2015, magistrsko delo

Opis: Due to the increasing loss of local architecture and the identity of the rural environment, preservation of our cultural heritage should be one of the key points of rural development. This thesis deals with the renovation of the barn in the music studio. The thesis explains the characteristics of vernacular architecture, discusses the attitude towards renovations of older buildings and summarizes the basic acoustical design principles. Based on the theoretical knowledge, the second part includes the renovation project of a barn into the music studio, which respects its local ethnological and architectural heritage, and represents a sustainable solution. It was established, that renovations of older local architecture have to be encouraged.
Ključne besede: architecture, music studio, vernacular architecture, barn, conversion, reuse
Objavljeno v DKUM: 23.03.2015; Ogledov: 1773; Prenosov: 262
.pdf Celotno besedilo (21,38 MB)

4.
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H2 separation and use in fuel cells and CO2 separation and reuse as a reactant in the existing methanol process
Anita Kovač Kralj, Peter Glavič, 2007, izvirni znanstveni članek

Opis: Fuel-cell efficiencies yield substantial reductions in the emissions of climate-change gases and promise an end to exclusive reliance on carbon fuels for energy. Fuel cells, CO2 reuse, process heat integration, and open gas turbine electricity cogeneration can be optimized simultaneously, using a nonlinear programming (NLP) algorithm. The simplified NLP model contains equations of structural and parametric optimization. This NLP model is used tooptimize complex and energy-intensive continuous processes. This procedure does not guarantee a global cost optimum, but it does lead to good, perhaps near-optimum, designs. The plant, which produces methanol, has a surplus of hydrogen (H2) and CO2 flow rates in purge gas. H2 is separated from the purge gas by an existing pressure swing adsorption (PSA) column. Pure H2 can be usedas fuel in fuel cells. CO2 can be separated from the outlet stream (purge gas) by a membrane or absorption system (absorber and regenerator) or an adsorption system and reused as a reactant in a reactor system. Therefore, theproduct yield can be increased and CO2 emissions can be reduced, simultaneously. CO2 emissions can then be reduced at the source. The retrofitted process can be operated within existing parameters. Using a methanol process as a case study, the CO2 emission flow rate can be reduced by4800 t/a. The additional electricity cogeneration in the gas turbine and in fuel cells and additional flow rates of the raw material could generate an additional profit of 2.54 MEUR/a.
Ključne besede: chemical processing, methanol production, optimization, nonlinear programming, CO2 reuse, fuel cells, heat integration, energy cogeneration
Objavljeno v DKUM: 31.05.2012; Ogledov: 2612; Prenosov: 120
URL Povezava na celotno besedilo

6.
CO2 separation from purge gas and flue gas in the methanol process, using NLP model optimization
Anita Kovač Kralj, Peter Glavič, 2007, izvirni znanstveni članek

Opis: The concentration of CO2 in the atmosphere has to be stabilized, requiring a reduction in current emission rates in existing plants. This will be done by reducing the environmental burden imposed in such areas as materials input andCO2 emission reduction and using cleaner production, resources, and energy recycling. Any opportunities for emission reduction and CO2 reuse largely depend on existing plant and energy systems. CO2 can be separated from the outlet stream (purge gas) and from flue gas by a membrane or absorption system(absorber and regenerator) or adsorption system and reused as a reactantin a reactor system. Therefore, product yield can be increased and CO2emissions reduced, simultaneously. CO2 emissions can be reduced at the source. The authors of this paper studied CO2 reuse in a methanol process, in which electricity can be generated using an open gas turbine, followed by a separator. Simultaneous optimization of a process structure and its parametersusing simplified nonlinear programming (NLP) ensures an additional annual profit, influenced by reusing the flow rate of CO2. The additional electricity cogeneration and additional flow rates of the raw material could generate an additional profit of 2.79 MEUR/a.
Ključne besede: chemical processing, methanol production, optimization, nonlinear programming, CO2 emissions, CO2 reuse
Objavljeno v DKUM: 31.05.2012; Ogledov: 2151; Prenosov: 91
URL Povezava na celotno besedilo

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