Catalytic Isomerization of α-Pinene Epoxide Over a Natural Zeolite
Sign Up to like & getrecommendations! Published in 2020 at "Catalysis Letters"
DOI: 10.1007/s10562-020-03225-9
Abstract: Abstract Isomerization of α-pinene epoxide was carried out over a Colombian natural zeolite as potential geocatalyst with heulandite, chabazite and clipnotilolite as main crystallographic phases; the heulandite was identified as the active phase. Over synthetic… read more here.
Keywords: natural zeolite; isomerization pinene; pinene epoxide;
Preparation and Determination of Antimicrobial Property of Cation-Exchanged Ecuadorian Natural Zeolite to be Used as Filler for Polyethylene and Polypropylene Matrices
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Polymers and the Environment"
DOI: 10.1007/s10924-017-1153-8
Abstract: Zeolites are crystalline aluminosilicates with nanoporous structure, tasteless and non-toxic materials. In this study, silver ion-exchanged zeolite, which was prepared from the natural Ecuadorian zeolites was used as reinforcement material in low-density polyethylene (LDPE) and polypropylene… read more here.
Keywords: natural zeolite; zeolite; polypropylene; property ... See more keywords
Influence of natural zeolite and nitrification inhibitor on organics degradation and nitrogen transformation during sludge composting
Sign Up to like & getrecommendations! Published in 2017 at "Environmental Science and Pollution Research"
DOI: 10.1007/s11356-017-8918-4
Abstract: Sludge composting is one of the most widely used treatments for sewage sludge resource utilization. Natural zeolite and nitrification inhibitor (NI) are widely used during composting and land application for nitrogen conservation, respectively. Three composting… read more here.
Keywords: natural zeolite; addition; zeolite; nitrogen transformation ... See more keywords
Evaluating the bioavailability of heavy metals in natural-zeolite-amended aquatic sediments using thin-film diffusive gradients
Sign Up to like & getrecommendations! Published in 2018 at "Aquaculture and Fisheries"
DOI: 10.1016/j.aaf.2018.05.003
Abstract: Abstract The effectiveness of natural zeolite amendment of sediments as a restorative material was studied, as was the feasibility of utilizing thin-film gradient diffusion (DGT) as a proxy for the accumulation of heavy metals in… read more here.
Keywords: natural zeolite; zeolite; zeolite amended; thin film ... See more keywords
Quantitative arrangement of Si/Al ratio of natural zeolite using acid treatment
Sign Up to like & getrecommendations! Published in 2019 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2019.143874
Abstract: Abstract Acid treatment is an effective way to arrange SiO2/Al2O3 ratio of natural zeolite. However, limited researches have been done on quantitative regulation of SiO2/Al2O3 ratio of natural zeolite. In this paper, an orthogonal test… read more here.
Keywords: natural zeolite; zeolite; sio2 al2o3; ratio natural ... See more keywords
Solution-mediated transformation of natural zeolite to ANA and CAN topological structures with altered active sites for ethanol conversion
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2021.09.018
Abstract: Abstract In this study, one-pot syntheses of cancrinite (CAN) and analcime (ANA) frameworks from mordenite (MOR) natural zeolite were performed for the first time. The effects of the synthesis gel composition and alkalinity on the… read more here.
Keywords: active sites; natural zeolite; zeolite; ana ... See more keywords
Catalytic ozonation of penicillin G using cerium-loaded natural zeolite (CZ): Efficacy, mechanisms, pathways and toxicity assessment
Sign Up to like & getrecommendations! Published in 2020 at "Chemical Engineering Journal"
DOI: 10.1016/j.cej.2019.123144
Abstract: Abstract A cerium-loaded natural zeolite (CZ) was synthesized for catalytic ozonation of penicillin G (PG) in this work. The effects of key factors including Ce loading mass, the initial solution pH, catalyst dosage and ozone… read more here.
Keywords: natural zeolite; cerium; ozonation; toxicity ... See more keywords
Silica oxide encapsulated natural zeolite for high efficiency removal of low concentration heavy metals in water
Sign Up to like & getrecommendations! Published in 2019 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"
DOI: 10.1016/j.colsurfa.2018.10.065
Abstract: Abstract The removal of trace heavy metals from water is of great importance for human’s health, and it is highly desirable to develop efficient adsorption material to reach this target. SiO2 encapsulated natural zeolite (SiEZ)… read more here.
Keywords: heavy metals; removal; encapsulated natural; metals water ... See more keywords
Effect of nano-silica on mechanical properties and durability of self-compacting mortar containing natural zeolite: Experimental investigations and artificial neural network modeling
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.116888
Abstract: Abstract In this paper, durability and mechanical properties of self-compacting mortars containing various percentage of natural zeolite and nano-silica were assessed experimentally using compressive and flexural strength, water absorption, electrical resistivity and rapid chloride permeability… read more here.
Keywords: nano silica; natural zeolite; self compacting; compacting mortars ... See more keywords
Natural zeolite as a chromium VI removal agent in tannery effluents
Sign Up to like & getrecommendations! Published in 2021 at "Heliyon"
DOI: 10.1016/j.heliyon.2021.e07974
Abstract: This study concerns Cr(VI) removal using zeolites in a batch system for tannery effluent. In the initial stage, natural zeolite (ZN) and synthetic zeolite (ZS) were characterized, obtaining a Si/Al ratio of 4.64 and 1.60,… read more here.
Keywords: natural zeolite; zeolite; removal; tannery effluents ... See more keywords
Performance of EGSB reactor using natural zeolite as support for treatment of synthetic swine wastewater
Sign Up to like & getrecommendations! Published in 2020 at "Journal of environmental chemical engineering"
DOI: 10.1016/j.jece.2020.104922
Abstract: Abstract An expanded granular sludge bed (EGSB) reactor using natural zeolite as support was evaluated for treating synthetic swine wastewaters. The process was operated at 30ᶱC during 255 days in two reactors at laboratory scale.… read more here.
Keywords: natural zeolite; zeolite support; egsb reactor; reactor using ... See more keywords