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Astrilia Damayanti, Ria Wulansarie, Zuhriyan Ash Shiddieqy Bahlawan, Suharta, Mutia Royana, Mikhaella Wai Nostra Mannohara Basuki, Bayu Nugroho and Ahmad Lutvi Andri
The availability of fossil energy is dwindling, so renewable fuels are the alternative choices, one of which is bioethanol. To increase the purity of the ethanol produced via the fermentation process, activated carbon (AC) was made from durian (Durio zib...
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Stephan Lederer, Sigrid Benfer, Jonathan Bloh, Rezan Javed, Aneta Pashkova and Wolfram Fuerbeth
One of the key urban air quality issues is pollution by nitrogen oxides (NOx" role="presentation" style="position: relative;">xx
x
). To reduce NOx" role="presentation" style="position: relative;">xx
x
, facade cladding could be provided with photocataly...
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Luiz Eduardo Nochi Castro, Larissa Resende Matheus, Rosana Rabelo Mançano, William Gustavo Sganzerla, Rafael Gabriel da Rosa, Tiago Linhares Cruz Tabosa Barroso, Vanessa Cosme Ferreira and Leda Maria Saragiotto Colpini
Brewer?s spent grains (BSG) are a significant by-product of beer production, and its improper disposal poses environmental challenges. This study investigated the use of BSG for activated carbon production with phosphoric acid as a chemical activator and...
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Sabrina Mechati, Meriem Zamouche, Hichem Tahraoui, Oumaima Filali, Safa Mazouz, Iheb Nour Elhak Bouledjemer, Selma Toumi, Zakaria Triki, Abdeltif Amrane, Mohammed Kebir, Sonia Lefnaoui and Jie Zhang
This study conducts a comprehensive investigation to optimize the degradation of crystal violet (CV) dye using the Fenton process. The main objective is to improve the efficiency of the Fenton process by optimizing various physicochemical factors such as...
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Paola Iacumin, Mattia Rossi and Gianpiero Venturelli
At present, the isotope ratio 18O/16O (in the text expressed as d18O) of carbonate (CO2-3)
CO
3
2
-
)
is usually determined by isotope ratio mass spectrometry measuring the CO2 gas
CO
2
gas
produced dissolving the CO2-3
CO
3
2
-
-bearing substance in...
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Tianlun Li and Yonggen Wu
In this paper, three modified tetraethyl orthosilicate surface treatment agents were prepared by using tetraethyl orthosilicate (TEOS) as the preparation monomer, isobutyltriethoxysilane (IBTS) as the hybridizer, and acrylic acid, phosphoric acid, and hy...
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Ali Alrahlah, Manea Altwaim, Abdulaziz Alshuwaier, Malik Eldesouky, Khaled M. Alzahrani, Esraa A. Attar, Abdullah Alshahrani, Eisha Abrar, Fahim Vohra and Tariq Abduljabbar
The aim was to evaluate the effect of ceramic lumineers on inflammatory periodontal parameters, gingival crevicular fluid (GCF) flow rate and cytokine profile. Patients were provided with lumineers using standardized technique including minimal to no pre...
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Hyunjoon Kim, Ryun-Ah Ko, Sungyun Lee and Kangmin Chon
The purpose of this study was to compare the removal efficiencies of manganese (Mn) and iron (Fe) using pristine banana peel biochar (BPB) and phosphoric acid pre-treated biochars (PBPB) derived from banana peels. The removal efficiencies of Mn and Fe we...
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Agnieszka Ossowska, Andrzej Zielinski, Jean-Marc Olive, Andrzej Wojtowicz and Piotr Szweda
The increasing demand for titanium and its alloys used for implants results in the need for innovative surface treatments that may both increase corrosion resistance and biocompatibility and demonstrate antibacterial protection at no cytotoxicity. The pu...
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Natalia Korovnikova,Oleksandr Dubyna,Volodymyr Oliinik,Yana Svishchova
Pág. 33 - 39
The studies reported here have made it possible to determine the optimal ways of fire protection, in which the samples of modified complexite have reduced flammability. The sample with the ions of molybdenum (VI), treated with phosphoric acid, had the hi...
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