##tihuan2##An industrial wastewater regeneration treatment was successfully designed taking advantage of the amorphous silica adsorption properties, generated as an industrial waste in a geothermal power ...
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##tihuan2##Selectivity coefficients were determined and activity coefficients were calculated by an appropriate model. 1.1. General chemistry o f silica The silica in water exists in an amorphous form whose solubility, at 25°C, …
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##tihuan2##Request PDF | Residual Silica Removal and Nanopore Generation on Industrial Waste Silicon using Ammonium Fluoride and its Application to Lithium-Ion Battery Anodes | Silicon is considered an ...
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##tihuan2##In the mining region of Pachuca, Mexico, waste from the mining industry have been generated for more than 100 years, which have a high SiO 2 content that can be …
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##tihuan2##It removed 97% of silica (5 ppm residual silica) at the optimal conditions (pH 10.5, 2500 ppm) and it was very efficient (76% silica removal) at pH 8.3, avoiding the need of any pH adjustment, and ...
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##tihuan2##PDF | High silica content of de-inked paper mill effluents is limiting their regeneration and reuse after membrane treatments such as reverse osmosis... | Find, …
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##tihuan2##The highest removal efficiency of 80.183%, 99.21%, and 98.06% for calcium, silica, and magnesium ions, respectively, were obtained at a current density of 1 mA/cm2, initial PH=7, the temperature of 250C and treatment time 60 min. The results have shown the ability of the EC process to remove silica and hardness ions from CTB water.
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##tihuan2##In this course, during the last decade, silica-rich solid wastes (rice husk, corn cob, sugarcane bagasse, palm ash, fly ash, waste glass, waste packaging materials, photonic industrial wastes, etc ...
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##tihuan2##In the mining region of Pachuca, Mexico, waste from the mining industry have been generated for more than 100 years, which have a high SiO2 content that can be recovered for various industrial applications. This work aims to recover silica from a material of the Dos Carlos dam.
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##tihuan2##Dissolved silica is ubiquitous in impaired waters, a fouling agent in desalination membranes, resistant to existing antiscalants, and difficult to remove from …
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##tihuan2##Geopolymers are prepared hydrothermally using alumina and silica gleaned from clay and rice husks waste materials respectively. These materials are locally attainable and environmentally benign.
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##tihuan2##Silica removal with MgCl 2 ·6H 2 O assisted by the addition of a polyaluminum coagulant Coagulation and particularly, coagulation with aluminum based salts, has been recently recognized as an efficient …
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##tihuan2##Efforts to remove reactive silica from bauxite ore prior to shipment have largely focused on gravitational methods such as washing, screening and the use of hydrocyclones. The …
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##tihuan2##A lab-scale unit of the hybrid continuous stirred tank reactor (CSTR) adsorption/ultrafiltration (UF) system was used to evaluate the removal efficiency of …
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##tihuan2##In this study, silica nanospheres (S) and trizma base-modified silica nanospheres (ST2, ST4, ST6, and ST8) were synthesized for the removal of arsenic from aqueous medium with high efficiency. Characterization of the prepared solid adsorbents was performed with different techniques such as thermogravimetric analysis, scanning …
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##tihuan2##The nitrogen removal by membrane separation has attracted researchers' attention. A comprehensive review of various membrane separation processes for nitrogen recovery from waste water is given by Al-Juboori et al. . In addition to this, the existing conceptual designs of some membrane processes were carefully reviewed, and new …
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##tihuan2##Also known as silicon dioxide (SiO 2), silica is a crystalline compound that is an extremely common constituent in most rocks, minerals, and sand.It is also sometimes synthetically produced. Silica is used in a variety of …
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##tihuan2##Removal (%) Electrodes Residence time (Rt) (min) I (Å) Reactor Adjustments Observations Dimensions Material Separation [6] 60–70 60 FeAl 4 parallel plates Brine reject from RO. Laboratory prepared solution. Presence of As favors hardness removal, when it is not present only 15% of hardness removal is achieved [7] CT ~21–29 RO ~38–47 10 ...
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##tihuan2##DOI: 10.1016/J.JWPE.2017.02.006 Corpus ID: 100068473; Removal of dissolved silica from industrial waters using inorganic ion exchangers @article{Sasan2017RemovalOD, title={Removal of dissolved silica from industrial waters using inorganic ion exchangers}, author={Koroush Sasan and Patrick Vane Brady and James Lee Krumhansl and Tina M. …
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##tihuan2##The document summarizes a study on removing silica during lime softening water treatment. It finds that during lime softening, silica is effectively removed through adsorption onto precipitating magnesium hydroxide particles. Experimental results from a water treatment plant show silica concentrations decreased from an average of 16 ppm to …
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##tihuan2##Gasification and reforming of woody waste using nickel catalyst and porous silica were carried out under various conditions to clarify the influence of porous silica on tar removal. The applicability of the regeneration operation was also investigated. The following conclusions were obtained.
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##tihuan2##DOI: 10.7763/ijesd.2016.v7.777 Corpus ID: 195747770; Combined Removal of an MTBE and BTEX Mixture Using Indigenous Microbe Immobilized on Waste Silica Gel @inproceedings{XieCombinedRO, title={Combined Removal of an MTBE and BTEX Mixture Using Indigenous Microbe Immobilized on Waste Silica Gel}, author={Fei Xie …
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##tihuan2##It removed 97% of silica (5 ppm residual silica) at the optimal conditions (pH 10.5, 2500 ppm) and it was very efficient (76% silica removal) at pH 8.3, avoiding the need of any pH adjustment, and ...
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##tihuan2##The investigation of adsorption BTEX from air has shown that silica aerogel adsorbents are very efficient for the removal of BTEX vapours from waste gas streams. The possibility to tailor hydrophobicity and consequently moisture resistance of silica aerogel adsorbents and their repeated use in many adsorption/desorption cycles make …
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##tihuan2##The maximum removal was achieved at the pH of 6 for both the nano particle, contact time 90 minutes for silica nano particle and 120 minutes for iron nano particle, silica nano particle dose as 0 ...
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##tihuan2##Daily analysis of silica was performed and removal was achieved on 5 th day of the experiment. Microscopic analysis revealed the presence of Navicula, Chlorella, and Phormidium species in the ...
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##tihuan2##Agro-waste can provide a non-metallic, environmentally friendly bio-precursor for the production of green silica nanoparticles. To manufacture silica nanoparticles from rice husk, biogenic silica ...
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##tihuan2##For effective utilization of silica waste discharged from an industrial process for manufacturing synthetic quartz glass, GIS-NaP1 zeolite as an adsorbent for removing Cs + and Sr 2+ from an aqueous solution was hydrothermally synthesized using silica waste as the raw material. The experimental parameters in the hydrothermal process, such as …
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##tihuan2##This paper aims to generate new knowledge on the mechanisms and the efficiency of silica removal by softening in the effluent of a deinking paper mill with high silica content and …
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