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
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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
Facile fabrication of hybrid titanium(IV) isopropoxide/pozzolan nanosheets (TnS-Pz) of high photocatalytic activity: characterization and application for Cr(VI) reduction in an aqueous solution
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DOI: 10.1007/s11356-020-09178-1
Abstract: This paper presents the synthesis of a hybrid material through the use of natural pozzolan and titanium(IV) isopropoxide using the sol-gel method and its application in the photocatalytic hexavalent chromium reduction. The characterization data indicated… read more here.
Keywords: reduction; pozzolan; titanium isopropoxide; solution ... See more keywords
Structural study of geopolymers obtained from alkali-activated natural pozzolan feldspars
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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
Probabilistic and experimental investigating the effect of pozzolan and Lumachelle fine aggregates on roller compacted concrete properties
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DOI: 10.1016/j.conbuildmat.2017.06.107
Abstract: Abstract Lumachelle stones, which are produced by marine sediments widely available in most coastal areas, can be considered as one of the aggregates replacements in roller compacted concrete (RCC). This study aims to evaluate the… read more here.
Keywords: pozzolan; water; fine aggregates; lumachelle fine ... See more keywords
Effect of natural pozzolan and recycled concrete aggregates on thermal and physico-mechanical characteristics of self-compacting concrete
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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
Pozzolan Based 3D Printing Composites: From the Formulation Till the Final Application in the Precision Irrigation Field
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DOI: 10.3390/ma14010043
Abstract: A new eco-composite polymer for material extrusion fabrication based on fine fraction pozzolan waste was developed. In addition, the composite materials obtained were used to produce a self-watering pot with complex geometry and a permeable… read more here.
Keywords: printing composites; based printing; pozzolan; pozzolan based ... See more keywords