Author

Hans Roger Portilla Rodríguez

Observed names: Hans Portilla, Hans Portilla-Rodriguez, Hans R Portilla-Rodriguez, Hans R. Portilla Rodriguez, Hans R. Portilla-Rodriguez, Hans Roger Portilla Rodriguez, Hans Roger Portilla-Rodriguez, Hans Roger Portilla-Rodríguez, Portilla Rodríguez, Hans Roger, Portilla, Hans

Institution: National University of Trujillo

Observed institutions: National University of Trujillo, Private University of the North

ORCID: 0000-0001-6014-9243

Observed ORCID: 0000-0001-6014-9243

OpenAlex ID: A5082875300

Turbidity-based scaling detection system for batch reverse osmosis combined with gypsum crystal recovery

2024 · Alexander M. Schwiebert, John A. Bush, et al. · Desalination · 11

Estimating the Economic Impact of Mining Accidents: A Case Study from Peru

2023 · Solio Marino Arango-Retamozo, Marco Antonio Cotrina-Teatino, et al. · International Journal of Safety and Security Engineering · 7

Bibliometric and Systematic Literature Analysis on Hydrometallurgy for the Recovery of Gold, Silver, and Platinum Group Metals

2025 · Marco Cotrina-Teatino, Jairo Marquina-Araujo, et al. · JOM · 4

Reduction of hexavalent chrome from artificial effluent of chrome: Batch electrocoagulation method [Reducción del cromo hexavalente de efluente artificial de cromado: Método de electrocoagulación por lotes]

2020 · Hans Portilla, Aldo Castillo, et al. · Journal of Sciences and Engineering · 3

Carbon Dioxide-Based Neutralization of High-Density Sludge Effluents as a Sustainable Climate and Water Quality Alternative to the Use of Strong Mineral Acids

2024 · Julio C. Gastañadui-Cruz, Iván A. Reyes-Lopez, et al. · Sustainability · 2

Copper Monthly Price Forecast with Time Series Models

2022 · Marco Antonio Cotrina-Teatino, Jairo Jhonatan Marquina Araujo, et al. · LACCEI International Multiconference on Entrepreneurship, Innovation and Regional Development (LEIRD) · 2

Plasma nitriding of AISI 431 steel: surface hardness - hardness profile [Nitruración por plasma del acero AISI 431: dureza superficial – perfil de durezas]

2020 · Aldo Castillo, Cesar Molina, et al. · Journal of Sciences and Engineering · 2

Delimitation of the Final Pit in Open Pit Mines Using the Pseudoflow Maximum Flow Algorithm: A Comparative Analysis of 1×5 and 1×9 Arcs

2024 · Jairo J. Marquina-Araujo, Marco A. Cotrina-Teatino, et al. · Mathematical Modelling and Engineering Problems · 1

Advances in mineral flotation

2023 · Fermin Valderrama Altamirano, Hermitanio Ascate Anampa, et al. · LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI) · 1

Main gold mining companies using cyanidation leaching processes in Peru

2023 · Iris Celeste Villalobos Segura, Kevin Daniel Rondo-Jalca, et al. · LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI) · 1

Metal Streaming as an economic financing mechanism in Peruvian mining

2022 · Marco Antonio Cotrina-Teatino, Abel Nehemias Santos Gonzales, et al. · LACCEI International Multiconference on Entrepreneurship, Innovation and Regional Development (LEIRD) · 1

Current density and residence time in the electrocoagulation process and its influence on Fe2+ reduction [Densidad de corriente y tiempo de residencia en el proceso de electrocoagulación y su influencia en la reducción de Fe+2]

2021 · Freddy Waldir Gómez Escobedo, Jorge Edinson Gómez Escobedo, et al. · Journal of Sciences and Engineering · 1

Application of machine learning methods in the metallurgical industry: A bibliometric analysis and systematic literature review

2025 · Marco A Cotrina-Teatino, Jairo J Marquina Araujo, et al. · Mineral Processing and Extractive Metallurgy Transactions of the Institutions of Mining and Metallurgy

Time and particle size of Musa Sapientum shell on the adsorption of Cu and Pb in mining effluent

2024 · Hans Roger Portilla Rodríguez, Martin Taboada Neira, et al. · Revista Ciencia y Tecnología

Influence of percussion and rotation pressure on the performance of drilling steels in different types of rock in an underground mine, Peru

2024 · Marco Antonio Cotrina-Teatino, Jairo Jhonatan Marquina-Araujo, et al. · Research Square

Determining Academic Performance in Mining Engineering Students Incorporating Socioeconomic Factors through a Supervised Neural Network

2024 · Cotrina, Marco, Marquina, Jairo, et al. · International Journal of Intelligent Systems and Applications in Engineering

Exploration, development and exploitation of mining and metallurgical minerals in Peru

2023 · Iris Celeste Villalobos Segura, Jhonatan Luigi Melquiades Valles, et al. · LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI)

Architectural physical-spatial quality: an alternative to improve work performance

2023 · Breitner Guillermo Diaz Rodriguez, Giovanny Boris Maguiña Geronimo, et al. · LACCEI International Multi-Conference for Engineering, Education and Technology (LACCEI)

Competitiveness of the main open pit gold companies in the La Libertad region - Peru 2022

2022 · Marco Antonio Cotrina-Teatino, Melva Milagros Henriquez Ruiz, et al. · LACCEI International Multiconference on Entrepreneurship, Innovation and Regional Development (LEIRD)

Environmental legal and regulatory environment in medium and large mining in Peru

2022 · Judith Nancy Rodriguez Rojas, César Arévalo-Aranda, et al. · LACCEI International Multiconference on Entrepreneurship, Innovation and Regional Development (LEIRD)

Scenario analysis applied to mining for decision making and risk analysis

2022 · Aldo Roger Castillo Chung, César Arévalo-Aranda, et al. · LACCEI International Multiconference on Entrepreneurship, Innovation and Regional Development (LEIRD)

Tratamiento de un mineral aurífero carbonáceo mediante lixiviación oxidativa-tostación y tostación directa

2021 · Juan Antonio Vega Gonzalez, Hans Roger Portilla Rodriguez, et al. · LACCEI International Multiconference on Entrepreneurship, Innovation and Regional Development (LEIRD)

Decrease in total hardness and amount of chlorides present in well water: influence of the aquatic plants of Phragmites australis and Lemna minor [Disminución de dureza total y cantidad de cloruros presentes en las aguas de pozos: influencia de las plantas acuáticas de Phragmites australis y Lemna minor]

2020 · Lourdes Saavedra, Hans Portilla, et al. · Journal of Energy & Environmental Sciences

Decrease in total hardness and amount of chlorides present in well water: influence of the aquatic plants of Phragmites australis and Lemna minor [Disminución de dureza total y cantidad de cloruros presentes en las aguas de pozos: influencia de las planta

2020 · Lourdes E. Saavedra, Hans Portilla, et al. · Journal of Energy & Environmental Sciences

Thermal stability of water fibers: effect of the alkaline treatment - aminopropyltrimetoxysilane [Estabilidad termica de fibras de aguaje: efecto del tratamiento alcalino – aminopropiltrimetoxysilano]

2020 · César Arévalo, David Manya, et al. · Journal of Sciences and Engineering

Works count: 27

Citation count: 36

H-index: 3

I10-index: 1