Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Hala A. Kiwaan"'
Publikováno v:
Arab Journal of Basic and Applied Sciences, Vol 26, Iss 1, Pp 414-423 (2019)
The aim of the present work was to prepare low cost and environmental friendliness biosorbents and use them for the removal of hazardous compounds from wastewater. Cellulose and lignin biosorbents were prepared from camphor stem using H2SO4 (1:1) and
Externí odkaz:
https://doaj.org/article/b619a7a5448e43f694db74a7d47158cf
Autor:
Mohamed M. El-Zahed, Hala A. Kiwaan, Asmaa A. M. Farhat, Elhossein A. Moawed, Mervat A. El-Sonbati
Publikováno v:
Iranian Polymer Journal. 32:71-79
A novel sorbent of isothiouronium polyurethane foam, PUF-SC(NH2)2, was synthesized from low-cost raw materials (a commercial polyurethane foam). The prepared PUF-SC(NH2)2 was characterized with different tools, the infrared spectra and Boehm test dem
Publikováno v:
Iranian Journal of Science and Technology, Transactions A: Science. 46:1377-1385
In this paper, a novel nanocomposite (carbonic salicylate @ aluminum oxide nanocomposite, AC-COO-Sal@Al2O3) and modifier carbon biosorbents were synthesized from low-cost raw materials (commercial activated carbon). Infrared spectra demonstrated the
Publikováno v:
Applied Organometallic Chemistry.
Autor:
Elhossein A. Moawed, Hala A. Kiwaan, Shireen K. El-Zakzouk, Mervat A. El-Sonbati, Mohamed M. El-Zahed
Publikováno v:
Brazilian Journal of Chemical Engineering.
The large amounts of polyurethane foam wastes (PUFWs) produced in the automobiles, buildings, and furniture industries cause many environmental problems. Therefore, the recycling of PUFWs has acquired great interest worldwide. In this study, the PUFW
Autor:
Noura Eltahan, Hala Ahmed Kiwaan
Publikováno v:
SSRN Electronic Journal.
Autor:
Fawzia Z. El-Ablack, Ashraf A. El-Bindary, Abdel Ghany Shoair, Ahmed M. Eessa, Hala A. Kiwaan
Publikováno v:
Pigment & Resin Technology. 49:102-109
Purpose The purpose of this paper is to introduce a new method for modification of alkyd resin by using 3-triethoxysilylpropyl succinic acid anhydride (TESP-SA) as the core material for low volatile organic components (VOCs) polyurethane coating appl
Publikováno v:
Arab Journal of Basic and Applied Sciences, Vol 26, Iss 1, Pp 414-423 (2019)
The aim of the present work was to prepare low cost and environmental friendliness biosorbents and use them for the removal of hazardous compounds from wastewater. Cellulose and lignin biosorbents were prepared from camphor stem using H2SO4 (1:1) and
Publikováno v:
DESALINATION AND WATER TREATMENT. 151:145-160
Publikováno v:
Canadian Journal of Chemistry. 96:1101-1114
Thiourea formaldehyde calcium alginate (TFCA) composite was successfully synthesized and used for removal of Reactive Black 5 (RB5) dye. The synthesized composite was applied and characterized by Fourier transform infrared spectrometer (FTIR) spectra