Pb(II) Uptake from Polluted Irrigation Water Using Anatase TiO2 Nanoadsorbent

Autor: Miguel A. Vasquez-Caballero, Yamerson Canchanya-Huaman, Angie F. Mayta-Armas, Jemina Pomalaya-Velasco, Noemi-Raquel Checca-Huaman, Yéssica Bendezú-Roca, Juan A. Ramos-Guivar

Publikováno v: Molecules, Vol 28, Iss 12, p 4596 (2023)

The adsorption characteristics of titanium dioxide nanoparticles (nano-TiO2) for the removal of Pb(II) from irrigation water were investigated in this work. To accomplish this, several adsorption factors, such as contact time and pH, were tested to a

Externí odkaz: https://doaj.org/article/0eafe3dab3504e83890c8c6891d03888

Enhanced Removal of As(V) and Pb(II) from Drinking and Irrigating Water Effluents Using Hydrothermally Synthesized Zeolite 5A

Autor: Angie F. Mayta-Armas, Yamerson Canchanya-Huaman, Jemina Pomalaya-Velasco, Yéssica Bendezú-Roca, Noemi-Raquel Checca-Huaman, Juan A. Ramos-Guivar

Publikováno v: Water; Volume 15; Issue 10; Pages: 1892

Zeolites 5A were obtained by ion exchange of a zeolite 4A, previously synthesized by the hydrothermal method from precursor kaolin, with the aim of removal As(V) from drinking water and Pb(II) from irrigation surface water. Zeolite 5A was characteriz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::036b6c9b51b2402f0f457ca0c850a9b1

Strain and Grain Size Determination of CeO2 and TiO2 Nanoparticles: Comparing Integral Breadth Methods Versus Rietveld, μ-Raman, and TEM

Autor: Yamerson Canchanya-Huaman, Juan A. Ramos-Guivar, Angie F. Mayta-Armas, Jemina Pomalaya-Velasco, J A Guerra, Yéssica Bendezú-Roca

Publikováno v: Nanomaterials
Volume 11
Issue 9
Nanomaterials, Vol 11, Iss 2311, p 2311 (2021)
CONCYTEC-Institucional
Consejo Nacional de Ciencia Tecnología e Innovación Tecnológica
instacron:CONCYTEC

Various crystallite size estimation methods were used to analyze X-ray diffractograms of spherical cerium dioxide and titanium dioxide anatase nanoparticles aiming to evaluate their reliability and limitations. The microstructural parameters were est

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35f039a32b3cecb8e36dc744810f9ae6

Chemical Characterization of PM2.5 at Rural and Urban Sites around the Metropolitan Area of Huancayo (Central Andes of Peru)

Autor: Alex Huamán De La Cruz, Yessica Bendezu Roca, Luis Suarez-Salas, José Pomalaya, Daniel Alvarez Tolentino, Adriana Gioda

Publikováno v: Atmosphere, Vol 10, Iss 1, p 21 (2019)

The purpose of this study was to determine PM2.5 mass concentration and the contents of trace elements and water-soluble ions in samples collected inside the Metropolitan area of Huancayo. Four monitoring stations were installed at three urban areas

Externí odkaz: https://doaj.org/article/ccac8b71d81849959eb96ab5257ed8c6