TONCÓN-LEAL, C.F.; K. MONTIEL-CENTENO; C.A. DIAZ; D. BARRERA; J. VILLARROEL ROCHA; L. TREVANI; L. CONDE; K. SAPAG

Synthesis of activated carbon from coffee husks and its effect on CO2 capture and CH4, and H2 storage

INTERNATIONAL JOURNAL OF ENVIRONMENT AND POLLUTION; Lugar: GINEBRA; Año: 2025

GARCÍA-CARVAJAL, CELENE; VILLARROEL-ROCHA, JHONNY; MENDOZA-CASTILLO, DIDILIA ILEANA; BONILLA-PETRICIOLET, ADRIÁN; SAPAG, KARIM

Incorporation of active phases of iron and bone char in clay ceramic monolith for arsenic removal from aqueous solutions

ADSORPTION SCIENCE & TECHNOLOGY; Año: 2025 vol. 43

MONTIEL-CENTENO, KIARA; BARRERA, DEICY; GARCÍA-VILLÉN, FÁTIMA; VISERAS, CÉSAR; RODRÍGUEZ-CASTELLÓN, ENRIQUE; DIAZ, CRISTIAN A.; VILLARROEL-ROCHA, JHONNY; MORENO, M. SERGIO; SAPAG, KARIM

Three-dimensional CMK-8 and CMK-9 ordered mesoporous carbons as potential nanocarriers for cephalexin controlled release

MICROPOROUS AND MESOPOROUS MATERIALS; Año: 2025 vol. 392

ARRUA, EVA CAROLINA; BEDOGNI, GISELLE; VILLARROEL-ROCHA, JHONNY; MONTIEL-CENTENO, KIARA; SAPAG, KARIM; FLEXER, VICTORIA

Systematic study on synthesis and characterization of lithium manganese oxides for direct lithium extraction from natural brines

Sustainable Materials and Technologies; Año: 2025 vol. 44

FRANCISCO GUSTAVO HAYALA SILVEIRA PINTO; VINÍCIUS PATRÍCIO DA SILVA CALDEIRA; JHONNY VILLARROEL ROCHA; KARIM SAPAG; SIBELE BERENICE CASTELLÃ PERGHER; ANNE GABRIELLA DIAS SANTOS

Al/SBA-15 Mesoporous Material: A Study of pH Influence over Aluminum Insertion into the Framework

Nanomaterials; Año: 2024 vol. 14

JHONNY VILLARROEL ROCHA; ANTONIO GIL

Modeling the temperature-programmed reduction of metal oxide catalysts by considering the particle-size distribution effect

CHEMICAL ENGINEERING JOURNAL; Lugar: Amsterdam; Año: 2024 vol. 487

RODRIGO DELGADO MONS; JHONNY VILLARROEL ROCHA; KARIM SAPAG; PHILIP L. LLEWELLYN; JEAN ROUQUEROL; JUAN PABLO TOSO; VALERIA CORNETTE; RAÚL H. LÓPEZ

Unraveling the influence of surface functionalities on gas Physisorption: A comprehensive study on SBA-15 nanoporous material from Monte Carlo simulation for improved Textural-Energetic characterization

Journal of Colloid and Interface Science; Año: 2024 vol. 669 p. 486 - 494

DIMAR VILLARROEL ROCHA; JHONNY VILLARROEL ROCHA; SEBASTIAN AMAYA-RONCANCIO; GARCÍA-CARVAJAL, CELENE; BARRERA, DEICY; ARROYO-GÓMEZ, JOSÉ J.; DARWIN AUGUSTO TORRES-CERON; ELISABETH RESTREPO-PARRA; KARIM SAPAG

Influence of Pressure and Temperature on the Flexible Behavior of Iron-Based MIL-53 with the CO2 Host: A Comprehensive Experimental and DFT Study

ACS Omega; Año: 2024 vol. 9 p. 21930 - 21938

VILLARROEL-ROCHA, JHONNY; ARROYO-GÓMEZ, JOSÉ J.; BARRERA, DEICY; SAPAG, KARIM

A new and reliable method to obtain micropore volume in nanoporous solids by gas adsorption based on Dubinin works and the thickness of the adsorbed layer

JOURNAL OF POROUS MATERIALS; Año: 2024 vol. 31 p. 1111 - 1120

VILLARROEL-ROCHA, D.; GARCÍA-CARVAJAL, C.; AMAYA-RONCANCIO, S.; VILLARROEL-ROCHA, J.; TORRES-CERON, D. A.; RESTREPO-PARRA, E.; SAPAG, K.

MIL-101(Fe)@ceramic-monolith for arsenic removal in aqueous solutions

Scientific Reports; Año: 2024 vol. 14

CANO, LEONARDO ANDRÉS; BARRERA, DEICY; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM

INFLUENCE OF THE SYNTHESIS METHOD OF LAYERED DOUBLE HYDROXIDES ON THE TEXTURAL PROPERTIES AND NITRATE REMOVAL

CATALYSIS TODAY; Año: 2023

DANIEL V. GONÇALVES; DANIELLE L. MONTENEGRO; JOSÉ C. A. OLIVEIRA; JHONNY VILLARROEL ROCHA; KARIM SAPAG; MOISES BASTOS-NETO; DJALMA R. DA SILVA; SEBASTIÃO M. P. LUCENA

Improved kernel of nitrogen isotherms for γ-alumina characterization

Adsorption; Año: 2023 vol. 29 p. 377 - 386

PABLO S. GAUNA; A.A. GARCÍA BLANCO; DEICY BARRERA; JHONNY VILLARROEL ROCHA; JUAN P. HINESTROZA; MUTSUMI KIMURA; MANUELA L. KIM; EUGENIO H. OTAL; K. SAPAG

Influence of defect engineering on the hydrogen and methane adsorption capacity in HKUST-1 – like structure MOF

Adsorption; Año: 2023 vol. 29 p. 351 - 361

CECILIA, J.A.; VILARRASA-GARCÍA, E.; MORALES-OSPINO, R.; FINOCCHIO, E.; BUSCA, G.; SAPAG, K.; VILLARROEL-ROCHA, J.; BASTOS-NETO, M.; AZEVEDO, D.C.S.; RODRÍGUEZ-CASTELLÓN, E.

Kaolinite-based zeolites synthesis and their application in CO2 capture processes

FUEL; Año: 2022 vol. 320

VILLARROEL-ROCHA, D.; BERNINI, M.C.; ARROYO-GÓMEZ, J.J.; VILLARROEL-ROCHA, J.; SAPAG, K.

Synthesis of MOF-5 using terephthalic acid as a ligand obtained from polyethylene terephthalate (PET) waste and its test in CO2 adsorption

BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING; Año: 2022

MAGGIO, ANGELA ANDREA; JALIL, MARIA EUGENIA ROCA; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; BASCHINI, MIRIA TERESITA

Fe- and SiFe-pillared clays from a mineralogical waste as adsorbents of ciprofloxacin from water

APPLIED CLAY SCIENCE; Año: 2022 vol. 220

GARCÍA-CARVAJAL, CELENE; VILLARROEL-ROCHA, JHONNY; DE SOUZA, VANESSA CASTRO; SAPAG, KARIM

Development of ceramic honeycomb monolith from natural zeolite tested as adsorbent to remove methylene blue in aqueous media

ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH; Año: 2022

LIMA, RAFAEL C.; LOPES, CHRISTIAN W.; VILLARROEL-ROCHA, JHONNY; BIESEKI, LINDIANE; SAPAG, KARIM; PERGHER, SIBELE B. C.

Organic-Free Synthesis of Finned Mordenite Zeolite

Nanomaterials; Lugar: Basel; Año: 2022 vol. 12

VILLARROEL-ROCHA, JHONNY; BARRERA, DEICY; ARROYO-GÓMEZ, JOSÉ J.; SAPAG, KARIM

Insights of adsorption isotherms with different gases at 77 K and their use to assess the BET area of nanoporous silica materials

ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY; Año: 2021 vol. 27 p. 1081 - 1093

TONCÓN-LEAL, C.F.; VILLARROEL-ROCHA, J.; SILVA, M.T.P.; BRAGA, T.P.; SAPAG, K.

Characterization of mesoporous region by the scanning of the hysteresis loop in adsorption–desorption isotherms

ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY; Año: 2021 vol. 27 p. 1109 - 1122

DA SILVA, MONICKARLA TEIXEIRA PEGADO; VILLARROEL-ROCHA, JHONNY; TONCÓN-LEAL, CRISTIAN F.; BARBOSA, FELIPE FERNANDES; MIRANDA, MAICON OLIVEIRA; TORRES, MARCO ANTONIO MORALES; SAPAG, KARIM; PERGHER, SIBELE B.C.; BRAGA, TIAGO PINHEIRO

Textural and photocatalytic characteristics of iron-cobalt based nanocomposites supported on SBA-15: Synergistic effect between Fe2+ and Fe0 on photoactivity

MICROPOROUS AND MESOPOROUS MATERIALS; Año: 2021 vol. 310

ALBESA, ALBERTO G.; BLANCO, ANDRÉS A. GARCÍA; MAIA, DÉBORA A. SOARES; VILLARROEL-ROCHA, JHONNY; VICENTE, JOSÉ L.; SAPAG, KARIM

Texture and surface sites of treated and as-prepared SWNT using experimental and simulation methods

ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY; Lugar: Berlin; Año: 2021

ARIAS, ANALIA NATALI; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; MORI, MARÍA FERNANDA; PLANES, GABRIEL ANGEL; FLEXER, VICTORIA; TESIO, ALVARO YAMIL

One-pot synthesis of hierarchical porous carbons with extended ultramicropores: New prospective materials for supercapacitors

Carbon Trends; Año: 2021 vol. 5

FERNANDES, FERNANDO R.D.; PINTO, FRANCISCO G.H.S.; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; SOUZA, LUIZ D.; CALDEIRA, VINÍCIUS P.S.; SANTOS, ANNE G.D.

New hybrid nanostructured adsorbent type amine/KIT-6 for CO2capture Novo adsorvente nanoestruturado híbrido do tipo amina/KIT-6 para captura de CO2

QUíMICA NOVA; Año: 2021 vol. 44 p. 1117 - 1123

CORNETTE, V.; VILLARROEL-ROCHA, J.; SAPAG, K.; DELGADO MONS, R.; TOSO, J.P.; LÓPEZ, R.H.

Insensitivity in the pore size distribution of ultramicroporous carbon materials by CO2 adsorption

CARBON; Año: 2020 vol. 168 p. 508 - 514

VILLARROEL-ROCHA, D.; GODOY, AGUSTÍN A.; TONCÓN-LEAL, C.; VILLARROEL-ROCHA, J.; MORENO, M. S.; BERNINI, MARIA C.; NARDA, GRISELDA E.; SAPAG, K.

Synthesis of micro–mesoporous CPO-27-Mg@KIT-6 composites and their test in CO 2 adsorption

NEW JOURNAL OF CHEMISTRY; Año: 2020

ARIAS, ANALIA NATALI; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; MORI, MARÍA FERNANDA; PLANES, GABRIEL ANGEL; TESIO, ALVARO YAMIL; FLEXER, VICTORIA

High nitrogen content carbons: Morphological and chemical changes with synthesis temperature and application in lithium–sulfur batteries

ELECTROCHIMICA ACTA; Año: 2020 vol. 359

DA SILVA, MONICKARLA; BARBOSA, FELIPE; MORALES TORRE, MARCO; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; PERGHER, SIBELE; BRAGA, TIAGO

Synthesis of Fe2SiO4-Fe7Co3 Nanocomposite Dispersed in the Mesoporous SBA-15: Application as Magnetically Separable Adsorbent

MOLECULES; Año: 2020 vol. 25

VINACHES, PALOMA; SCHWANKE, ANDERSON JOEL; LOPES, CHRISTIAN WITTEE; SOUZA, IANE M. S.; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; PERGHER, SIBELE B. C.

Incorporation of Brazilian Diatomite in the Synthesis of An MFI Zeolite

MOLECULES; Año: 2019 vol. 24

DE ARAÚJO, M.J.G.; VILLARROEL-ROCHA, J.; DE SOUZA, V.C.; SAPAG, K.; PERGHER, S.B.C.

Carbon foams from sucrose employing different metallic nitrates as blowing agents: Application in CO2 capture

JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS; Año: 2019 vol. 141

DA SILVA FILHO, SEVERINO H.; VINACHES, PALOMA; SILVA, HABINADABE L. G.; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; PERGHER, SIBELE B. C.

Comparative characterization study of diatomites from different Brazilian locations and their application in dye adsorption

SN Applied Sciences; Lugar: Berlin; Año: 2019 vol. 1

ECHEVARRÍA, ROMINA N.; KEUNCHKARIAN, SONIA; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; RETA, MARIO

Organic monolithic capillary columns coated with cellulose tris(3,5-dimethylphenyl carbamate) for enantioseparations by capillary HPLC

MICROCHEMICAL JOURNAL; Año: 2019 vol. 149

MONTIEL-CENTENO, KIARA; BARRERA, DEICY; VILLARROEL-ROCHA, JHONNY; ARROYO-GÓMEZ, J. J.; MORENO, M. S.; SAPAG, KARIM

CMK-3 nanostructured carbon: Effect of temperature and time carbonization on textural properties and H 2 storage

CHEMICAL ENGINEERING COMMUNICATIONS; Año: 2019 vol. 206 p. 1581 - 1595

MONTIEL-CENTENO, KIARA; BARRERA, DEICY; VILLARROEL-ROCHA, JHONNY; MORENO, M. SERGIO; SAPAG, KARIM

Hierarchical nanostructured carbons as CO2 adsorbents

ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY; Lugar: Berlin; Año: 2019 vol. 25 p. 1287 - 1297

GARCÍA-CARVAJAL, C.; VILLARROEL-ROCHA, J.; CURVALE, D.; BARROSO-QUIROGA, M. M.; SAPAG, K.

Arsenic (V) removal from aqueous solutions using natural clay ceramic monoliths

CHEMICAL ENGINEERING COMMUNICATIONS; Año: 2019 vol. 206 p. 1440 - 1451

V.C. DE SOUZA; J. VILLARROEL ROCHA; M.J.G. DE ARAÚJO; K. SAPAG; S.B.C. PERGHER

Modificação de zeólita clinoptilolita natural por meio de tratamento combinado (Ácido-Alcalino)

PERSPECTIVA; Lugar: Santa Catarina; Año: 2019 vol. 43 p. 85 - 97

NOGUERA-DÍAZ, ANTONIO; VILLARROEL-ROCHA, JHONNY; TING, VALESKA P; BIMBO, NUNO; SAPAG, KARIM; MAYS, TIMOTHY J

Flexible ZIFs: probing guest‐induced flexibility with CO 2 , N 2 and Ar adsorption

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY; Año: 2019 vol. 94 p. 3787 - 3792

FERNÁNDEZ SOLARTE, ALEJANDRA M.; VILLARROEL-ROCHA, JHONNY; MORANTES, CÉSAR FERNÁNDEZ; MONTES, MARIA L.; SAPAG, KARIM; CURUTCHET, GUSTAVO; TORRES SÁNCHEZ, ROSA M.

Insight into surface and structural changes of montmorillonite and organomontmorillonites loaded with Ag

COMPTES RENDUS CHIMIE; Lugar: Paris; Año: 2019 vol. 22 p. 142 - 153

REGIART, MATÍAS; FERNÁNDEZ, ODIL; VICARIO, ANA; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; MESSINA, GERMÁN A.; RABA, JULIO; BERTOLINO, FRANCO A.

Mesoporous immunosensor applied to zearalenone determination in Amaranthus cruentus seeds

MICROCHEMICAL JOURNAL; Año: 2018 vol. 141 p. 388 - 394

DE SOUZA, VANESSA; VILLARROEL-ROCHA, JHONNY; DE ARAÚJO, MARIA; SAPAG, KARIM; PERGHER, SIBELE

Basic Treatment in Natural Clinoptilolite for Improvement of Physicochemical Properties

Minerals; Lugar: Basel; Año: 2018 vol. 8

BERGAOUI, MANEL; AGUIR, CHADLIA; KHALFAOUI, MOHAMED; VILLARROEL-ROCHA, JHONNY; REINERT, LAURENCE; ENCISO, EDUARDO; DUCLAUX, LAURENT; BARRERA, DEICY; SAPAG, KARIM

On the computer simulations of carbon nanoparticles porosity: statistical mechanics model for CO2 and N2 adsorption isotherms

ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY; Lugar: Berlin; Año: 2018 vol. 24 p. 769 - 779

TUFO, ANA E.; LARRALDE, ANA L.; VILLARROEL-ROCHA, JHONNY; SAPAG, KARIM; SILEO, ELSA E.

Synthesis and characterization of pure and Al-substituted akaganeites and evaluation of their performance to adsorb As(V)

Journal of Environmental Chemical Engineering; Lugar: Amsterdam; Año: 2018 vol. 6 p. 7044 - 7053

M.C. BERNINI; A.A. GARCÍA BLANCO; J. VILLARROEL ROCHA; D. FAIREN-JIMENEZ; K. SAPAG; A.J. RAMIREZ-PASTOR; G.E. NARDA

Tuning the target composition of amine-grafted CPO-27-Mg for capture of CO2 in post-combustion and air filtering conditions: a combined experimental and computational study

DALTON TRANSACTIONS; Lugar: CAMBRIDGE; Año: 2015 vol. 44 p. 18970 - 18982

ANDRÉS A. GARCÍA BLANCO; JHONNY VILLARROEL ROCHA; JOHN F. MÚNERA; MARCELO NAZZARRO; GIORGIO ZGRABLICH; KARIM SAPAG

A Study of the Adsorption Properties of Single Walled Carbon Nanotubes Treated with Nitric Acid

ADSORPTION SCIENCE & TECHNOLOGY; Lugar: Brentwood, UK; Año: 2011 vol. 29 p. 705 - 722