Buscar
Mostrando ítems 141-150 de 229
Artículo
Development of fly ash-based geopolymers using powder sodium silicate activator
(Elsevier, 2022-08)
Geopolymer manufacturing by means a ready-mix procedure using powder sodium silicate as activator is described in this paper. Its characteristics are compared with conventional geopolymers using aqueous sodium silicate. ...
Artículo
An evaluation of clay minerals as support materials in anaerobic digesters
(Taylor & Francis, 1998)
The use of different clay rninerals as support in anaerobic digestion has been studied: The suppon materials were evaluated in a batch microd.igester and their effect in the digestion process was measured ar the beginning ...
Artículo
Synergizing carbon capture and utilization in a biogas upgrading plant based on calcium chloride: Scaling-up and profitability analysis
(Elsevier, 2021-03)
Herein we analyze the profitability of a novel regenerative process to synergize biogas upgrading and carbon dioxide utilization. Our proposal is a promising alternative which allows to obtain calcium carbonate as added ...
Artículo
Technoeconomic assessment of lignocellulosic ethanol production via DME hydrocarbonylation
(Elsevier, 2012)
In this study, a new thermochemical route to produce lignocellulosic ethanol based on DME (dimethyl ether) hydrocarbonylation is proposed and economically assessed. The process is designed and evaluated using current kinetic ...
Artículo
Analysis of the mechanical and fracture behavior of heated ultra-high-performance fiber-reinforced concrete by X-ray computed tomography
(Elsevier, 2019-05)
This work analyzes the effects of temperature (300 °C) on mechanical and fracture behavior of an ultra-high-performance steel-fiber-reinforced concrete. The deterioration of the pore structure due to thermal damage of the ...
Artículo
Start up of an anaerobic inverse turbulent bed reactor fed with wine distillery wastewater uing pre-colonised bioparticles
(Pergamon Press, 2005)
The long start-up period of fluidized bed biofilm reactors is a serious obstacle for their wide installation in the anaerobic treatment of industrial wastewater. This paper presents the results of an anaerobic inverse ...
Artículo
Guía para el estudio de la alteración de la piedra de los monumentos y de medidas de conservación
(Junta de Andalucía: Instituto Andaluz del Patrimonio Histórico, 1996)
El artículo sintetiza, a modo de guía, la metodología a seguir para el estudio de la alteración de la piedra de los monumentos así como las medidas de conservación. Este trabajo tiene el objetivo de orientar a la hora de ...
Artículo
Aplicación de permanganato potásico en sistemas de tratamiento integrado químico-biológico en las aguas residuales de la industria agrícola : aplicación a la depuración de vinazas de vino con alta carga orgánica
(Elsevier, 2000)
En el presente estudio se analiza la aplicabilidad de un esquema de tratamiento basado en la combinación de digestión biológica anaerobia y oxidación química con permanganato potásico, en la depuración de vinazas de vino ...
Artículo
Regeneration of Sodium Hydroxide from a Biogas Upgrading Unit through the Synthesis of Precipitated Calcium Carbonate: An Experimental Influence Study of Reaction Parameters
(MDPI, 2018)
This article presents a regeneration method of a sodium hydroxide (NaOH) solution from a biogas upgrading unit through calcium carbonate (CaCO3) precipitation as a valuable by-product, as an alternative to the elevated ...
Artículo
Viscoelasticidad lineal de la fase líquido-cristalina laminar de un sistema tensioactivo no iónico/hidrocarburo/agua
(Consejo Superior de Investigaciones Científicas (CSIC), 2000)
Viscoelasticidad lineal de la fase líquido-cristalina laminar de un sistema tensioactivo no iónico/hidrocarburo/agua. En este estudio se ha caracterizado la respuesta viscoelástica lineal, en cizalla oscilatoria, de la ...