Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Ahmed M. Zayed"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-19 (2024)
Abstract The current study introduces groundbreaking insights into how organic matter (OM) of the black phosphate (RB-Ph) uniquely influences phosphorus (P) solubility during acetic acid (AA) leaching, expanding our understanding in this crucial area
Externí odkaz:
https://doaj.org/article/87e0b9293caa436fa6572291b994c9fa
Publikováno v:
Open Ceramics, Vol 17, Iss , Pp 100545- (2024)
The preparation of affordable glass-ceramic materials by induced crystallization of glass-based mica schists and other natural raw materials (dolomite & limestone), as well as magnesite as a mine waste, was investigated for the first time. Five glass
Externí odkaz:
https://doaj.org/article/0ae98fe1d4aa41249ff97ea81f577c74
Autor:
Ahmed M. Zayed, Bahaa S. Metwally, M.A. Masoud, Mahmoud F. Mubarak, Hussain Shendy, Petros Petrounias, Mahmoud S.M. Abdel Wahed
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 8, Pp 104900- (2023)
The current study presents a unique and innovative approach to sustainable activated carbon (AC) synthesis using non-conventional agricultural wastes, leaves of sugar beet (LSB), via a thermo-chemical activation process. This approach not only offers
Externí odkaz:
https://doaj.org/article/f2bde620ae5a4dd09e53e3bf7c50fe5c
Publikováno v:
Ain Shams Engineering Journal, Vol 12, Iss 1, Pp 885-896 (2021)
Weathered basalt (WB) is a useless and costless material with a negative environmental impact. The use of WB to replace clay in Portland clinker manufacturing is a successful strategy to enhance clinker quality, cost and reduce environmental impact.
Externí odkaz:
https://doaj.org/article/0d9853fb6be94b4a8ef249d748e1fddc
Autor:
Mostafa A. Masoud, Ahmed M. El-Khayatt, Mohamed G. Shahien, Bottros R. Bakhit, Ibrahim I. Suliman, Ahmed M. Zayed
Publikováno v:
Toxics, Vol 10, Iss 11, p 697 (2022)
Serpentinites are metamorphic rocks that are widely applied as aggregates in the production of radiation-shielding concrete. Different varieties of massive serpentinite mountains located in Egypt exist without real investment. Hence, this study aims
Externí odkaz:
https://doaj.org/article/ff91f915ff0a4b51bd17972abaf62fa1
Autor:
Amal H. El Maghrabi, Mohmmed M. El-Rabiee, Bahaa S. Metwally, Mostafa A. Masoud, Mohamed H. Abdelaziz, Petros Petrounias, Nikolaos Koukouzas, Ahmed M. Zayed
Publikováno v:
Sustainability; Volume 15; Issue 9; Pages: 7060
Sustainable serpentine/polyamide nanocomposite (SP/PAM) was fabricated using malicious mining (serpentine chrysotile, SP Ctl) and industrial (polyamide, PA6) wastes via the electro-spinning technique. Before fabrication, the fibrous nature of Ctl was
Autor:
Mostafa A. Masoud, Ahmed M. El-Khayatt, Mohammad W. Marashdeh, Mohamed G. Shahien, Bottros R. Bakhit, Wael Abdelwahab, Mohamed Abdel Rafea, Ahmed M. Zayed
Publikováno v:
Sustainability; Volume 14; Issue 23; Pages: 16225
Barite and hematite are the most common heavy-weight minerals applied as aggregates in radiation shielding concrete (RSC). Therefore, to limit the cement consumption and reduce the CO2 emissions accompanying its production, the aim of this study is t
Autor:
M. N. El-Sheikh, Bahaa S. Metwally, Mahmoud. F. Mubarak, Hanan A. Ahmed, Thanaa Abdel Moghny, Ahmed M. Zayed
Publikováno v:
Polymer Bulletin.
Abstract In this study, an adsorptive electrospun polyamide membrane (ESPA) and electrospun polyamide–weathered basalt composite membrane (ESPA-WB) were prepared by an electrospinning process at room temperature. Hence, the WB structure was built a
Autor:
Sridhar Komarneni, Ahmed M. Zayed, Mohamed Mobarak, Moaaz K. Seliem, Essam A. Mohamed, Ali Q. Selim
Publikováno v:
Journal of Colloid and Interface Science. 534:408-419
In the current study, calcination and thermo-chemical methods were applied in treatment of the processed diatomite fraction ( 92% SiO2) without blocking impurities and created Si O Si active sites. These fractions were tested for Methylene blue (MB)