Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Ion Onutu"'
Publikováno v:
Romanian Journal of Petroleum & Gas Technology, Vol 4, Iss 2, Pp 193-200 (2023)
Oil refineries and petrochemical facilities contribute to the pollution of the environment either air, water, or soil releasing hazardous and toxic air pollutants into the atmosphere. These include nitrogen oxides (NOx), carbon monoxide (CO), hydroge
Externí odkaz:
https://doaj.org/article/be8a81c2b01242e5a359431a339d8461
Publikováno v:
Applied Sciences, Vol 14, Iss 8, p 3382 (2024)
Hazardous petroleum wastes are an inevitable source of environmental pollution. Leachates from these wastes could contaminate soil and potable water sources and affect human health. The management of acid tars, as a byproduct of refining and petroche
Externí odkaz:
https://doaj.org/article/adef30a693cb41329eb96aed1e535b84
Publikováno v:
Toxics, Vol 11, Iss 9, p 748 (2023)
This study examines the levels of benzene and the potential health impact during three years of continuous monitoring (2019–2021), including the COVID-lockdown period from 2020 in a city that is an important Romanian center for petroleum refining a
Externí odkaz:
https://doaj.org/article/01a06cba90704ed69a83d301a46db8a6
Autor:
Mia Sanda, Daniel Dunea, Stefania Iordache, Laurentiu Predescu, Mirela Predescu, Alin Pohoata, Ion Onutu
Publikováno v:
Atmosphere, Vol 14, Iss 4, p 746 (2023)
The present work aimed to assess the ambient levels of air pollution with particulate matter for both mass concentrations and number of particles for various fractions in Ploiesti city during the lockdown period determined by the COVID-19 pandemic (M
Externí odkaz:
https://doaj.org/article/1fee7a93415342ffbe5e14705476d62b
Publikováno v:
Romanian Journal of Petroleum & Gas Technology, Vol 2, Iss 1, Pp 48-61 (2021)
Water represents the essence of life on earth, so we must preserve and use responsibly this given resource. For many years, water treatment has been a field of continuous development. At the same time, new materials and techniques are being developed
Externí odkaz:
https://doaj.org/article/63dd13c642964cb09a4c896264b5a855
Autor:
Osama Sharafaddin, Ion Onutu
Publikováno v:
Romanian Journal of Petroleum & Gas Technology, Vol 2, Iss 1, Pp 39-47 (2021)
The drilling fluid is essential for drilling operations in the oil and gas industry. It is a complex mixture of organic and inorganic materials blended together to achieve desired multi-functions. There are several types of drilling fluid commonly in
Externí odkaz:
https://doaj.org/article/aa96e75457734313ae99dc55a9c81eaa
Publikováno v:
SSRN Electronic Journal.
Publikováno v:
Revista de Chimie. 70:4007-4012
Lubricants are influenced over their lifetimes by various factors such as temperature, oxygen, water contamination, etc. which affect the chemical structure and implicitly their specific characteristics. If the degradation of the oils is significant
Autor:
Stefan Sandru, Ion Onutu
Publikováno v:
Revista de Chimie. 70:2367-2370
The present study aimed to estimate the physical properties of the diesel-diesel-biodiesel ternary blends, using artificial neural networks, also known as ANNs. The input data used to estimate the properties was the percentage in which each component
Publikováno v:
Revista de Chimie. 70:2040-2043
A relation for calculation of the effective overall heat transfer coefficient in a triple concentric-tube heat exchanger is proposed. The relation of the effective overall heat transfer coefficient is obtained based on total thermal resistance and it