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Virendra Kumar Yadav, Krishna Kumar Yadav, Marina M. S. Cabral-Pinto, Nisha Choudhary, Govindhan Gnanamoorthy, Vineet Tirth, Shiv Prasad, Afzal Husain Khan, Saiful Islam and Nadeem A. Khan
Every year a million tonnes of calcium rich agro and industrial waste are generated around the whole globe. These calcium rich waste like finger citron, shells of cockle, mussel, oysters etc., and egg shell are biological sources which have various organ...
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Tatjana A. Kuljanin, Vladimir S. Filipovic, Milica R. Nicetin, Biljana Lj. Loncar, Bojana V. Filipcev, Lato L. Pezo
Pág. 239 - 245
This work is concerned with the theoretical basis of novel sugar beet juice purification method using binary systems CaO&CaSO4 and CaO&Al2(SO4)3. The Gouy?Chapman?Stern (GCS) model of overlapping of diffuse layers of EDLs on pectin surface and that on Ca...
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Aldes Lesbani,Yosine Susi,Marieska Verawaty,Risfidian Mohadi
Pág. 7 - 13
Thermal decomposition of calcium oxide from chicken?s (Gallus gallus domesticus) and goat?s (Capra Hircus Aegragus) bones was prepared at temperature variations of 400, 500, 800, 900, 1000, and 1100 oC respectively. X-ray diffractometer (XRD), FT-IR and ...
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Ruengwit Sawangkeaw, Pornicha Tejvirat, Chawalit Ngamcharassrivichai and Somkiat Ngamprasertsith
Biodiesel production from palm oil and hydrated ethanol in a fixed bed reactor using CaO/Al2O3 as the catalyst was investigated and optimized using response surface methodology. The investigated parameters were temperature, pressure...
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Miroslaw Wyszkowski and Natalia Kordala
Soil contaminated with petroleum substances is classified as hazardous, i.e., particularly harmful to the proper functioning of environmental ecosystems. It is therefore necessary to take measures to restore the homeostasis and ecological potential of de...
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Magda Dziaduszewska, Masaya Shimabukuro, Tomasz Seramak, Andrzej Zielinski and Takao Hanawa
Titania-based films on selective laser melted Ti13Zr13Nb have been formed by micro-arc oxidation (MAO) at different process parameters (voltage, current, processing time) in order to evaluate the impact of MAO process parameters in calcium and phosphate ...
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Darren Kin Wai Gan
Pág. 3
The present work demonstrated the sustainable and renewable approach of thermochemical conversion specifically for pyrolysis of rice hull through renewable catalytic pyrolysis utilizing calcined eggshell (ES) and natural limestone (LS) for syngas product...
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Francis Gyakwaa, Matti Aula, Tuomas Alatarvas, Tero Vuolio, Qifeng Shu, Marko Huttula and Timo Fabritius
The presence of non-metallic inclusions (NMI) such as sulphides and oxides may be detrimental to the control of the steel casting process and product quality. The need for their identification and characterization is, therefore, urgent. This study uses t...
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Van-Ngoc Pham, Erwin Oh and Dominic E. L. Ong
The study aims to develop a reliable model using gene-expression programming (GEP) technique for estimating the unconfined compressive strength (UCS) of soil stabilization by cement and fly ash. The model considered the effects of several parameters, inc...
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Toni Kauppinen, Tuomas Vielma, Justin Salminen and Ulla Lassi
Manganese-containing anode sludge is a common side-product in the electrowinning of zinc. The anode sludge consists mainly of oxidized manganese, but also lesser amounts of lead, calcium, and other minor metals. The impurities present in the anode sludge...
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Muliadi Ramli,Saiful Saiful,Febriani Febriani,Amraini Amraini,Fathurrahmi Fathurrahmi,Shellatina Shellatina,Cut Fatimah Zuhra
Pág. 21 - 28
Realizing abundant availability of local bovine bone wastes in Aceh Province, Indonesia, this study is subjected to take competitive advantages from the local bovine bone waste for preparing an inorganic catalyst preparation. In detail, calcined Aceh bov...
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Nurhidayah Rosli
Pág. 37
Sunscreen agents are widely used to protect the skin against sunburn, and to prevent the degradation of cosmetics products by sunlight. A good sunscreen agent contains inorganic materials such as Titanium Dioxide (TiO2) and Zinc Oxide (ZnO) also organic ...
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George E. Mustoe
The best-known and most-studied petrified wood specimens are those that are mineralized with polymorphs of silica: opal-A, opal-C, chalcedony, and quartz. Less familiar are fossil woods preserved with non-silica minerals. This report reviews discoveries ...
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María Simón, Almudena Benítez, Alvaro Caballero, Julián Morales and Oscar Vargas
Graphene nanosheets (GNS) are synthesized from untreated natural graphite (NG) for use as electroactive materials in Li-ion batteries (LIBs), which avoids the pollution-generating steps of purifying graphite. Through a modified Hummer method and subseque...
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Élcio José Bunhak, Elisabete Scolin Mendes, Nehemias Curvelo Pereira, Sílvio C. Costa (Author)
Pág. 1643 - 1648
The extract of stevia leaves is usually dark which demands a clarification in order to be accepted by sweetener consumers. One of the using techniques is the decantation, which requires the use of effective products for best results. In the market, flocc...
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Anna Chomicz-Kowalska and Krzysztof Maciejewski
This paper investigates the effects of incorporating dispersed fibrous reinforcement in hydraulically bound granular 0/16-mm mixtures. The evaluated fibrous reinforcement comprised a mixture of polypropylene and alkali-resistant glass fibers in a 1:2 wei...
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Khaled Ibrahim Azarroug Ehwailat, Mohd Ashraf Mohamad Ismail and Ali Muftah Abdussalam Ezreig
The treatment of sulfate-bearing soil with calcium-based stabilizers such as cement or lime often results in ettringite formation, consequently leading to swelling and strength deterioration. Ettringite formation has negative environmental and economic e...
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Amélia P. Marinho-Reis, Cristiana Costa, Fernando Rocha, Mark Cave, Joanna Wragg, Teresa Valente, Amália Sequeira-Braga and Yves Noack
The main objectives of the present study were to (i) investigate the effects of mineralogy and solid-phase distribution on element bioaccessibility and (ii) perform a risk assessment to calculate the risks to human health via the ingestion pathway. Multi...
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Louis-César Pasquier, Nassima Kemache, Julien Mocellin, Jean-François Blais and Guy Mercier
Concrete is a major constituent of our world. Its contributes to building society but is also an important contributor to the global CO2 emissions. The combination of waste concrete recycling and greenhouse gas abatement is obviously an interesting appro...
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Nusrat Jahan, Jason Fawcett, Thomas L. King, Alexander M. McPherson, Katherine N. Robertson, Ulrike Werner-Zwanziger and Jason A. C. Clyburne
Global demand for petroleum keeps increasing while traditional supplies decline. One alternative to the use of conventional crude oils is the utilization of Canadian bitumen. Raw bitumen is a dense, viscous, semi-liquid that is diluted with lighter crude...
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