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Fatin Afiqah Mohd Hisham
Pág. 23
Bio renewable materials from different natural resources shows a great interest in exploration of new materials for advanced application. Among different materials, cellulose is the most important and common polymer available naturally. As an improvement...
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Ismail M. Ahmed, Romany N. Ammanoeil, Ebtissam A. Saad, Jacqueline A. Daoud
Pág. 122 - 129
CYANEX 923 (a mixture of four trialkylphosphine oxides) in kerosene has been used for the extraction of phosphoric acid. Different parameters affecting the extraction of phosphoric acid such as shaking time, temperature, phase ratio O/A, extractant and p...
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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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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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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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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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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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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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Bing Li, Hao Peng and Jing Guo
Phosphogypsum is a kind of solid waste produced in wet process of producing phosphoric acid, which affects the filtration rate and water content of phosphogypsum. The effects of single surfactant sodium dodecyl sulfate (SDS), sodium dodecylbenzene sulfon...
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Hock Fua Tan
Pág. 46
Lignocellulosic biomass is an alternative and renewable source of energy for the production of second generation of bioethanol. Hydrolysis is a crucial process that is required to generate fermentable sugar from the lignocellulosic biomass for the sustai...
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Azhar Equbal and Anoop Kumar Sood
Metallization of ABS (acrylonitrile-butadiene-styrene) parts has been studied on flat part surfaces. These parts are fabricated on an FDM (fused deposition modeling machine) using the layer-wise deposition principle using ABS as a part material. Electrol...
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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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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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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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Lee Chee Fatt
Pág. 18
Homogeneous acidic catalyst was mostly utilized in the conventional biodiesel production process. However, the production cost of the whole process was high due to the separation of liquid biodiesel and liquid catalyst. Hence, acid heterogeneous catalyst...
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Choi Yu Hui
Pág. 38
The implementation of biomass sources as carbon precursor to synthesise heterogeneous solid catalyst for biodiesel production had drawn attention from researchers because it was less expensive and could reduce the generation of biomass waste. In this res...
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Tan Yee Teng
Pág. 45
Homogeneous base catalysts contained certain limitations including the formation of soap with the usage of high free fatty acid content feedstock and the difficulty of separating the spent catalyst from the biodiesel product. Thus, the research objective...
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Yueh-Hsien Li, Da-Ming Wang, Tzu-Yang Hsien, Kuan-Ying Chan, Juin-Yih Lai
Pág. 1 - 12
The present work investigated the permeation of indium ions through a polymer inclusion membrane (PIM), prepared with cellulose triacetate (CTA) as the base polymer, tris(2-butoxyethyl) phosphate (TBEP) as the plasticizer and di-(2-ethylhexyl)phosphoric ...
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Yueh-Hsien Li, Da-Ming Wang, Tzu-Yang Hsien, Kuan-Ying Chan and Juin-Yih Lai
The present work investigated the permeation of indium ions through a polymer inclusion membrane (PIM), prepared with cellulose triacetate (CTA) as the base polymer, tris(2-butoxyethyl) phosphate (TBEP) as the plasticizer and di-(2-ethylhexyl)phosphoric ...
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