Journal ArticleDOI
Adsorption of Fluoride from Water Solution on Bone Char
Nahum Andrés Medellín-Castillo,Roberto Leyva-Ramos,Raúl Ocampo-Pérez,Ramon F. Garcia De La Cruz,Antonio Aragón-Piña,Jose M. Martinez-Rosales,R.M. Guerrero-Coronado,Laura Fuentes-Rubio +7 more
TLDR
In this article, the effects of solution pH and temperature on the adsorption of fluoride onto bone char made from cattle bones were investigated, and it was found that the maximum adaption took place at pH 3.Abstract:
The effects of solution pH and temperature on the adsorption of fluoride onto bone char made from cattle bones were investigated in this work. It was found that the maximum adsorption took place at pH 3 and the adsorption capacity decreased nearly 20 times augmenting the pH from 3 to 12. This behavior was attributed to the electrostatic interactions between the surface of bone char and the fluoride ions in solution. The adsorption capacity was not influenced by temperature in the range from 15 to 35 °C. A comparison of fluoride adsorption capacities among several adsorbents revealed that the adsorption capacity of the bone char was 2.8 and 36 times greater than those of a commercial activated alumina (F-1) and a commercial activated carbon (F-400). The adsorption capacity is considerably dependent upon the physicochemical properties of the bone char surface and the solution pH.read more
Citations
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Coupling of Algal Biofuel Production with Wastewater
TL;DR: The coupling of microalgae with wastewater is an effective way of waste remediation and a cost-effective microalgal biofuel production.
Journal ArticleDOI
Will Limited Land, Water, and Energy Control Human Population Numbers in the Future
David Pimentel,Michele A. Whitecraft,Zachary R. Scott,Leixin Zhao,Patricia Satkiewicz,Timothy J. Scott,Jennifer Phillips,Daniel Szimak,Gurpreet Singh,Daniela O. Gonzalez,Tun Lin Moe +10 more
TL;DR: In this paper, the authors suggest that a world population of about two billion might be sustainable if it relies on renewable energy technologies and also reduces per capita use of the earth's natural resources.
Journal ArticleDOI
Plasma-assisted reduction of a NiO/Al2O3 catalyst in atmospheric pressure H2/Ar dielectric barrier discharge
TL;DR: In this article, a NiO/Al2O3 catalyst was used in a H2/Ar dielectric barrier discharge at atmospheric pressure and low temperature (<300°C) to get a better understanding of the reduction mechanisms involved in the plasma process.
Journal ArticleDOI
Engineering Parameters in Bioreactor's Design: A Critical Aspect in Tissue Engineering
Nasim Salehi-Nik,Ghassem Amoabediny,Behdad Pouran,Hadi Tabesh,Mohammad Ali Shokrgozar,Nooshin Haghighipour,Nahid Khatibi,Fatemeh Anisi,Khosrow Mottaghy,Behrouz Zandieh-Doulabi +9 more
TL;DR: This review intends to provide an inclusive package of the engineering parameters together with their calculation procedure in addition to the modeling techniques in TE bioreactors.
Journal ArticleDOI
Sorption studies on heavy metal removal using chitin/bentonite biocomposite.
TL;DR: B batch adsorption studies have been used to remove the Cr(VI) from aqueous solution using chitin composite and the data were suitable for both models indicating favorability.
References
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Some aspects of the surface chemistry of carbon blacks and other carbons
TL;DR: In this paper, a review of the surface chemistry of carbon blacks and other activated carbons is given, focusing on surface oxides with emphasis on the chemical methods used in the assessment and identification of surface functional groups.
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TL;DR: Process chemistry for water and wastewater treatment as mentioned in this paper, Process Chemistry for Water and Wastewater treatment, Process chemistry for wastewater treatment, and process chemistry for drinking water treatment, کتابخانه دانشگاه علوم پزδکی و خدمات بهداشتی درمانی
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Adsorption kinetics of fluoride on low cost materials
TL;DR: The data suggested that Calcite has been seen as a good adsorbent in fluoride removal and has been patented, but its adsorption capacity is only better than quartz, and the external mass transfer is a very slow and rate-determining step during fluoride removal from the aqueous solution.
Journal ArticleDOI
Adsorption of fluoride from water by amorphous alumina supported on carbon nanotubes
Yanhui Li,Shuguang Wang,Anyuan Cao,Dan Zhao,Dan Zhao,Xianfeng Zhang,Cailu Xu,Zhaokun Luan,Dianbo Ruan,Ji Liang,Dehai Wu,Bingqing Wei +11 more
TL;DR: A new candidate for fluoride adsorption from water, amorphous Al2O3 supported on carbon nanotubes (Al 2O3/CNTs) is reported in this article.
Journal ArticleDOI
Point of zero charge and intrinsic equilibrium constants of activated carbon cloth
TL;DR: In this paper, the surface properties of cellulose-based activated carbon cloth were investigated and the point of zero charge was determined by batch equilibrium method, where the site-binding model was applied to calculate the intrinsic acidity constants.