
Mara RepeleRiga Technical University | RTU · Institute of Energy Systems and Environment
Mara Repele
Doctor of Engineering
About
10
Publications
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114
Citations
Citations since 2017
Publications
Publications (10)
The forensic scenario, on which the round robin study was based, simulated a suspected intentional manipulation of a real estate rental agreement consisting of a total of three pages. The aims of this study were to (i) establish the amount and reliability of information extractable from a single type of evidence and to (ii) provide suggestions on t...
Biometānu ražo, biogāzi attīrot no piemaisījumiem un palielinot metāna koncentrāciju līdz rādītājam, kas ir atbilstošs dabasgāzei. Biometāns ir pievilcīga atjaunojamo energoresursu alternatīva dabasgāzei, jo tam ir vairākas priekšrocības: 1) nav jāveic dabasgāzi izmantojošu ražošanas tehnoloģiju pārveide; 2) tā piegādei var izmantot dabasgāzes uzgl...
Biomethane can be produced from biogas by upgrading it to the quality of natural gas. This way it is possible to obtain a renewable substitute for the natural gas which may be injected into the natural gas grid and used in the existing technologies without need for replacement. Biogas, after purification, can be diverted from distributed biogas-fir...
Support for renewable energy currently is revised in many countries due to the perception that the economic burden caused by the support exceeds the permissible limit. Decreased or suspended support creates instability in renewable energy production. There is a lack of research related to design of the sustainable renewable energy support policy, w...
Due to environmental and geopolitical reasons, the need for substitution of fossil fuels with renewable alternatives in industry is augmenting. The main objective was to assess environmental impacts of “cradle-to-gate” brick production stages and to evaluate the effect of fuel substitution and variation of electricity mix on the impact. Scenarios w...
Many sites for biogas production in Latvia currently do not have sufficient heat load to provide power production in co-generation mode. The alternative to relatively inefficient power production could be production of bio-methane which is known as one of the most important renewable option for gas supplies. After removal of contaminants bio-methan...
Firing of bricks is an essential manufacturing process during which the bricks obtain all the necessary properties. Life cycle assessment studies show that this process is also the most energy intensive in the brick manufacturing process and results in the largest environmental impact. Usually kilns are fired with natural gas, therefore substitutio...
Energy plans of many countries anticipate an increased use of biomethane for energy supply, i.e., in power and heat production as well as in the transport sector. Existing infrastructure of natural gas storage, supply and application provides a good platform to facilitate transfer to biomethane utilization on a larger scale. One key element of the...
-The building material manufacturing sector is one of the sectors with
the highest consumption of fossil fuel resources. The "cradle-to-gate"
study of the ceramic bricks made in the Āne plant of JSC Lode,
Latvia, is performed according to ISO standards 14044:2006. Life cycle
inventory data have been collected at the factory site. Three different
pe...
The subject of the study is a 10 litre liquid fuel tank made of metal
and used for fuel storage and transportation. The study dealt with
separate life cycle stages of this product, compared environmental
impacts of similar fuel tanks made of metal and plastic, as well as
analysed the product's end-of-life cycle stage, studying the waste
treatment a...