The National Electric Energy Agency (ANEEL) of Brazil, in a bid to encourage energy-conscious energy consumption, has proposed a new sustainable energy tariff modality (the White Tariff) based on off-peak usage. This study aims to compare and contrast situations in which the White Tariff alone is used, and where it is combined with power generation from a generator set or a photovoltaic cell energy system to reduce energy costs. Furthermore, economic, environmental, and social advantages are outlined in the project summaries. Interviews and documentary analyses were conducted in a technology park that uses only the White Tariff and in condominiums that combine the White Tariff with a generator set or a photovoltaic cell system. The data generated was fed into the database of the Horosazonal software to obtain an overview of these companies. Results show that the company adopting the White Tariff alone achieved 19% and US$14,684 in annual savings. However, when the White Tariff is combined with a generator set, the smart grid project proved to be more efficient over time as it obtained an annual benefit of US$35,832 and 62.38% savings. In contrast, the smart grid project combining a photovoltaic cell energy system with the White Tariff achieved an annual benefit of US$52,712, with 68.31% savings and was 1.3 to 5.3 times more profitable than other projects, demonstrating that it was the best smart grip project studied. Furthermore, opting for the White Tariff produced advantages such as a reduction in energy consumption expenses, contributing to a reduction in power outages and blackouts, reduction in greenhouse gas emissions and boosting the company image within society. This study shows that energy-conscious consumption combined with the use of renewable energy sources is environmentally and economically advantageous and can provide future generations with a healthier environment in which people can make use of natural resources in a sustainable manner that is sustainable for planet earth.
The data presented in this article are related to the research article “Environmental and techno-economic considerations on biodiesel production from waste frying oil in São Paulo city” (Silva Filho et al., 2018) [1]. This article presents the variation of the concentration of waste frying oil (WFO) with the reaction time and temperature during the transesterification of WTOs collected in the residences and restaurants of the city of São Paulo. Then, the biodiesel samples were mixed with the S-10 diesel oil in order to obtain the B10, B20, B30, B40, B50, B75 and B100 blends, which were tested in a diesel engine and their power, fuel consumption and gas emissions (CO, CO2 and SO2) have been measured to verify their greenhouse effect and energy efficiency.
A utilização da radiação ionizante apresenta acentuado crescimento em razão dos avanços tecnológicos em prol da humanidade, embora esses avanços nem sempre venham seguidos de normas ou treinamento para segurança das pessoas que estão expostas ou trabalham com essa fonte de energia. Este trabalho aborda a radiação ionizante e seus limites de exposição, baseando-se nas Normas da Comissão Nacional de Energia Nuclear (Cnen); na Portaria nº 453, da Anvisa, de 1° de junho de 1988, e na nova Norma Regulamentadora nº 32, que detalham os limites máximos anuais a que os indivíduos podem ser submetidos durante sua jornada de trabalho, relacionando os danos causados aos órgãos que ficam expostos a essa radiação e as doenças que podem ser desenvolvidas caso esse limite não seja respeitado. Essas doenças podem ficar restritas ao indivíduo que recebeu as referidas doses ou ser transmitidas para seus descendentes. Neste trabalho, discute-se a necessidade de utilização dos equipamentos de proteção individual e coletiva durante, o período laboral, para manter a integridade física do individuo que trabalha em radiologia médica.
A utilização da radiação ionizante apresenta acentuado crescimento em razão dos avanços tecnológicos em prol da humanidade, embora esses avanços nem sempre venham seguidos de normas ou treinamento para segurança das pessoas que estão expostas ou trabalham com essa fonte de energia. Este trabalho aborda a radiação ionizante e seus limites de exposição, baseando-se nas Normas da Comissão Nacional de Energia Nuclear (Cnen); na Portaria nº 453, da Anvisa, de 1° de junho de 1988, e na nova Norma Regulamentadora nº 32, que detalham os limites máximos anuais a que os indivíduos podem ser submetidos durante sua jornada de trabalho, relacionando os danos causados aos órgãos que ficam expostos a essa radiação e as doenças que podem ser desenvolvidas caso esse limite não seja respeitado. Essas doenças podem ficar restritas ao indivíduo que recebeu as referidas doses ou ser transmitidas para seus descendentes. Neste trabalho, discute-se a necessidade de utilização dos equipamentos de proteção individual e coletiva durante, o período laboral, para manter a integridade física do individuo que trabalha em radiologia médica.
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