Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Ionel Balcu"'
Autor:
Marius Gheju, Ionel Balcu
Publikováno v:
Water, Vol 15, Iss 4, p 777 (2023)
The aim of the present study was to provide new knowledge regarding the effect of non-expansive inert material addition on anionic pollutant removal efficiency in Fe0-H2O system. Non-disturbed batch experiments and continuous-flow-through column test
Externí odkaz:
https://doaj.org/article/f327cfe1049d421f8c71ae5bbfd959f1
Autor:
Lucian Mihaescu, Gheorghe Lazaroiu, Rodica-Manuela Grigoriu, Laura Stanescu, Mihai Dragne, Gabriel P. Negreanu, Ionel Balcu, Cornel Panait
Publikováno v:
2022 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3cd21b771c78f0ccf7ed28b8107863f
https://doi.org/10.1109/eeae53789.2022.9831228
https://doi.org/10.1109/eeae53789.2022.9831228
Publikováno v:
Revue Roumaine de Chimie. 66:149-160
p-tert-Butylcalix[4]arene 1 reacts with bromoethyl acetate and LiAlH4 to form the p-tert-butyl-tetrakis(2-hydroxyethoxy)calix[4]arene 8 bearing four ethyl-spacers at the lower rim of the calixarene. Reaction of 8 with Et2NSiMe3 leads to the tetrakis-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f6e92cacdcb818bf2db62e4a7eed7dc
https://doi.org/10.33224/rrch.2021.66.2.05
https://doi.org/10.33224/rrch.2021.66.2.05
Autor:
Gheorghe Fagadar-Cosma, Ileana Armeanu, Carmen Bucovicean, Carmen Cretu, Ionel Balcu, Marius Constantin Mirica, Eugenia Fagadar-Cosma
Publikováno v:
Molecules, Vol 14, Iss 4, Pp 1370-1388 (2009)
The present work is concerned with the manganese complexes of 5,10,15,20-tetraphenylporphyrin and of 5,10,15,20-tetra(3-hydroxyphenyl)porphyrin, which were prepared by metallation of the corresponding porphyrin ligands, and the study of their spectro
Externí odkaz:
https://doaj.org/article/9cf9dda5cdd64004a0a7609ec47e287b
Autor:
Ionel Balcu, Marius Gheju
Publikováno v:
Chemosphere. 214:389-398
This study aims to provide new knowledge regarding the effect of MnO2 co-presence on efficiency of Cr(VI) removal with Fe(0). Non-disturbed batch experiments (≤40 days) were conducted using two types of Fe(0) (milli- and micro-sized), two Cr(VI) co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf584c20977151dd2825aa0da8e0188a
https://doi.org/10.1016/j.chemosphere.2018.09.129
https://doi.org/10.1016/j.chemosphere.2018.09.129
Autor:
Marius Gheju, Ionel Balcu
Publikováno v:
ChemEngineering, Vol 1, Iss 2, p 9 (2017)
Reducing the levels of heavy metals in wastewaters below the permissible limits is imperative before they are discharged into the environment. At the same time, water treatment technologies should be not only efficient, but also affordable. In accord
Externí odkaz:
https://doaj.org/article/dc71faaf83884144a75c800fdc6daea8
Autor:
Marius Gheju, Ionel Balcu
Publikováno v:
Processes
Volume 9
Issue 2
Processes, Vol 9, Iss 218, p 218 (2021)
Volume 9
Issue 2
Processes, Vol 9, Iss 218, p 218 (2021)
In this study walnut shells, an inexpensive and readily available waste, were used as carbonaceous precursor for preparation of an innovative adsorbent (walnut-shell powder (WSP)) which was successfully tested for the removal of FeII from synthetic a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13b3c28ab3e105d1dce1b128c8a3cb54
Publikováno v:
Journal of Environmental Management. 203:937-941
This paper examines the mechanism of Cr(VI) removal with Fe(0), and the possible effect of various experimental parameters, from a kinetic perspective. The experimental data was analyzed using five different kinetic models: three for chemical reactio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2d589e29f9985d50b55734f137cea70
https://doi.org/10.1016/j.jenvman.2017.03.031
https://doi.org/10.1016/j.jenvman.2017.03.031
Autor:
Ionel Balcu, Marius Gheju
Publikováno v:
Energy Procedia. 136:133-138
This work presents investigations on recovery and activation of a water treatment residue, for further reuse in another water treatment process. Bentonite, an inexpensive and readily available natural material, was used for the removal of Fe(II) from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e227bd41058d8a76136cf510c8a2014e
https://doi.org/10.1016/j.egypro.2017.10.309
https://doi.org/10.1016/j.egypro.2017.10.309
Autor:
Ionel Ciucanu, Bogdan Taranu, Gheorghe Lazaroiu, Corina Amalia Macarie, Ionel Balcu, Dana-Alexandra Ciupageanu, Virgil Dumbrava
Publikováno v:
ISGT Europe
Technological developments in the field of renewable energy sources (RES) enable their progressively higher penetration into power systems. However, RES intermittency strongly impacts electric networks' behavior. To overcome this issue, additional fl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c3addd9411d01bdedafcd84dcabb2762
https://doi.org/10.1109/isgteurope.2019.8905506
https://doi.org/10.1109/isgteurope.2019.8905506