Zobrazeno 1 - 10
of 63
pro vyhledávání: '"Luminita Ghimici"'
Autor:
Magdalena-Cristina Stanciu, Marieta Nichifor, Gabriela-Liliana Ailiesei, Irina Popescu, Gabriela-Elena Hitruc, Luminita Ghimici, Cristina G. Tuchilus
Publikováno v:
Polymers, Vol 15, Iss 23, p 4492 (2023)
New citrus pectin derivatives carrying pendant N,N-dimethyl-N-alkyl-N-(2-hydroxy propyl) ammonium chloride groups were achieved via polysaccharide derivatization with a mixture of N,N-dimethyl-N-alkyl amine (alkyl = ethyl, butyl, benzyl, octyl, dodec
Externí odkaz:
https://doaj.org/article/0f3896f686ef46be91ede1dc45526701
Publikováno v:
Polymers, Vol 15, Iss 17, p 3496 (2023)
Environmental contamination with pesticides occurs at a global scale as a result of prolonged usage and, therefore, their removal by low-cost and environmentally friendly systems is actively demanded. In this context, our study was directed to invest
Externí odkaz:
https://doaj.org/article/3506f38414034c2e972699a1d0425062
Publikováno v:
International Journal of Molecular Sciences, Vol 24, Iss 5, p 4383 (2023)
Modified polysaccharides have been increasingly used as flocculants in wastewater treatment due to their non-toxicity, low price, biodegradability, etc. However, the pullulan derivatives are less used in wastewater purification processes. Therefore,
Externí odkaz:
https://doaj.org/article/466f1202ded54abaa294594e58f22548
Autor:
Luminita Ghimici, Marieta Constantin
Publikováno v:
Environmental Challenges, Vol 5, Iss , Pp 100352- (2021)
In the present work the flocculation properties of some cationic derivatives based on pullulan have been tested in a synthetic suspension of zirconium silicate (kreutzonit). The flocculants contain either quaternary ammonium salt groups (grafted chai
Externí odkaz:
https://doaj.org/article/bee3e585e2b84a60afd68140caee96f2
Macroporous 3D Chitosan Cryogels for Fastac 10EC Pesticide Adsorption and Antibacterial Applications
Publikováno v:
Polymers, Vol 14, Iss 15, p 3145 (2022)
The pesticide pollution of surface water and wastewater has been recognized as a major worldwide concern due to their persistence in the aquatic environment and the potential adverse effects on human, flora, and fauna health. Apart from pesticides, b
Externí odkaz:
https://doaj.org/article/930fe3e7ad404e72b2f81d52a626cd34
Publikováno v:
Polymers, Vol 14, Iss 13, p 2663 (2022)
The goal of the current article was to obtain data regarding the application of a series of grafted pullulan derivatives, as flocculating agents, for removal of some pesticide formulations from model wastewater. The pullulan derivatives are cationic
Externí odkaz:
https://doaj.org/article/8ae653c577f446489607382d6c2fd014
Publikováno v:
Environmental Science and Pollution Research. 30:67539-67551
Autor:
Marieta Constantin, Luminita Ghimici
Publikováno v:
Environmental Challenges, Vol 5, Iss, Pp 100352-(2021)
In the present work the flocculation properties of some cationic derivatives based on pullulan have been tested in a synthetic suspension of zirconium silicate (kreutzonit). The flocculants contain either quaternary ammonium salt groups (grafted chai
Autor:
Luminita Ghimici, Ionel Adrian Dinu
Publikováno v:
Separation and Purification Technology. 209:698-706
A novel thymine-containing chitosan derivative has been designed, synthesized, and used for the first time in this work for removal of some commercial pesticides from synthetic wastewater by coagulation/flocculation. The chitosan-thymine conjugate wa
Autor:
Luminita Ghimici, Marieta Nichifor
Publikováno v:
Carbohydrate Polymers. 190:162-174
A large variety of hydrophilic and amphiphilic polyelectrolytes based on dextran have been previously tested as coagulating and flocculating agents in model wastewater treatment and the results are presented in this review article. The dextran deriva