Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Denis C. Țopa"'
Autor:
Elena Ungureanu, Costel Samuil, Denis C. Țopa, Ovidiu C. Ungureanu, Bogdan-Marian Tofanică, Maria E. Fortună, Carmen O. Brezuleanu
Publikováno v:
Crystals, Vol 14, Iss 4, p 381 (2024)
Heavy metals are pollutants that pose a risk to living systems due to their high toxicity and ability to accumulate and contaminate. This study proposes an alternative approach to the static adsorption of Ni(II) from aqueous media using Sarkanda gras
Externí odkaz:
https://doaj.org/article/21cdf35e0fb5463496c9c38f53a0ff75
Autor:
Elena Ungureanu, Maria E. Fortună, Denis C. Țopa, Carmen O. Brezuleanu, Vlad I. Ungureanu, Ciprian Chiruță, Razvan Rotaru, Bogdan M. Tofanica, Valentin I. Popa, Doina C. Jităreanu
Publikováno v:
Polymers, Vol 15, Iss 18, p 3794 (2023)
Given the predominantly negative impact of heavy metals on living organisms, the present study proposed to evaluate the adsorption performances under static conditions of Cd (II) from aqueous solutions on unmodified Sarkanda grass lignin compared to
Externí odkaz:
https://doaj.org/article/2d4af86ee90d4a5ca40d3507c48a8fdb
Autor:
Elena Ungureanu, Maria E. Fortună, Denis C. Țopa, Andrei Lobiuc, Ovidiu C. Ungureanu, Doina C. Jităreanu
Publikováno v:
Materials, Vol 16, Iss 5, p 1904 (2023)
In the present work, the possibility of increasing the calcium carbonate (CaCO3) content in sheets of paper to optimize their properties was investigated. A new class of polymeric additives for papermaking is proposed as well as a method for their us
Externí odkaz:
https://doaj.org/article/40f20024303449d3b782f5629b17d5c7
Publikováno v:
Materials, Vol 15, Iss 14, p 4868 (2022)
Polymers are of great interest in areas such as agriculture, medicine and pharmacy, the food and cosmetic industries, and the chemical and construction industries. However, many polymers are nonbiodegradable and are not environmentally friendly. They
Externí odkaz:
https://doaj.org/article/b7693783ef0149af9c3ea3b781e3f4b7