Synthesis of grafted natural pozzolan with 3-aminopropyltriethoxysilane: preparation, characterization, and application for removal of Brilliant Green 1 and Reactive Black 5 from aqueous solutions
Sign Up to like & getrecommendations! Published in 2017 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-017-9825-4
Abstract: Natural pozzolan is an amorphous silicate-based material of volcanic origin. In this work, the natural pozzolan was modified by using 3-aminopropyltriethoxysilane (APTES) as a grafting agent. This material was characterized by pHpzc, N2 adsorption/desorption curves,… read more here.
Keywords: natural pozzolan; pozzolan; aminopropyltriethoxysilane; aqueous solutions ... See more keywords
Structural study of geopolymers obtained from alkali-activated natural pozzolan feldspars
Sign Up to like & getrecommendations! Published in 2017 at "Ceramics International"
DOI: 10.1016/j.ceramint.2016.11.070
Abstract: Abstract The structural evolution of geopolymers obtained by the alkaline activation of a natural pozzolan composed by a mixture of feldspars (albite and anorthite), calcite and quartz has been followed up to 28 days. The… read more here.
Keywords: structural study; natural pozzolan; pozzolan; geopolymers obtained ... See more keywords
Alkali-Activated Natural Pozzolan/Slag Mortars: A Parametric Study
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.12.222
Abstract: Abstract This study was devoted to assess the influence of binder' aluminosilicate precursor combination (natural pozzolan/slag combinations), activator combination (sodium silicate/sodium hydroxide combinations), sodium hydroxide concentration, and alkaline activator solution-to-binder ratio (S/B) on properties of… read more here.
Keywords: natural pozzolan; alkali activated; pozzolan slag; activated natural ... See more keywords
Natural pozzolan based geopolymers: A review on mechanical, microstructural and durability characteristics
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.09.191
Abstract: Abstract Natural pozzolans are tremendous source of reactive silica and alumina required for geopolymer synthesis as an alternative binder for ordinary Portland cement. They are available at a comparatively low cost and generate a low… read more here.
Keywords: natural pozzolan; based geopolymers; pozzolan based; durability characteristics ... See more keywords
Engineering properties of natural pozzolan/slag based alkali-activated concrete
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.02.107
Abstract: Abstract The current study aims to assess engineering properties of alkali-activated concretes made with hybrid aluminosilicate precursors having different proportions of natural pozzolan as a low calcium precursor and blast furnace slag as a high… read more here.
Keywords: alkali activated; slag; sodium hydroxide; natural pozzolan ... See more keywords
Effect of natural pozzolan and recycled concrete aggregates on thermal and physico-mechanical characteristics of self-compacting concrete
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.118576
Abstract: Abstract To properly meet the environmental and ecological side the construction of environmentally friendly buildings has become very important and this can be done by recycling demolition waste to replace natural gravel in the construction… read more here.
Keywords: compacting concrete; natural pozzolan; pozzolan; concrete ... See more keywords
Performance and durability of self compacting concrete using recycled concrete aggregates and natural pozzolan
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2017.07.139
Abstract: Abstract The use of recycled concrete aggregates from rubble and demolition waste in combination with cementitious additions in concrete has several practical, ecological and economic advantages by reducing carbon dioxide emissions, reducing the excessive consumption… read more here.
Keywords: compacting concrete; natural pozzolan; concrete aggregates; using recycled ... See more keywords
Effect of natural pozzolan on the fresh and hardened cement slurry properties for cementing oil well
Sign Up to like & getrecommendations! Published in 2018 at "World Journal of Engineering"
DOI: 10.1108/wje-10-2017-0337
Abstract: Purpose Wells’ cementing is an important and costly step in the engineering sector for oil and gas well. The purpose of this study was to investigate the use of Algerian natural pozzolan (NP) in order… read more here.
Keywords: cement slurry; natural pozzolan; slurry properties; cement ... See more keywords