Browsing Artículos científicos by Subject "TRATAMIENTO DE RESIDUOS"

Now showing items 1-5 of 5

    • Aporte ambiental de la planta de tratamiento de aguas residuales Los Tajos en la remoción de contaminantes fisicoquímicos y microbiológicos 

      Mora Aparicio, Carmen; Alfaro-Chinchilla, Carolina; Perez-Molina, Junior Pastor; Vega-Guzmán, Ilena (Universidad Nacional, Costa Rica, 2022-01-31)
      The objective of the study was to analyze the environmental contribution, in terms of removal of physicochemical and microbiological pollutants, from the Los Tajos Wastewater Treatment Plant (WWTP) to the Torres River. ...

    • Application of a Sulfur Removal Hydrometallurgical Process in a Lead-Acid Battery Recycling Plant in Costa Rica 

      Navarro-Monge, Marta; Esquivel-Hernández, Germain; Sibaja, José; mora barrantes, jose carlos; Sanchez-Murillo, Ricardo; Valdés-González, Juan; Bolaños-Ulloa, Pablo (Scientific Research Publishing Inc., 2017)
      This study presents the implementation of a desulphurization process for lead recycling under different chemical and physical conditions using pyro-metallurgical processes. Desulphurization was done using a hydrometallurgical ...

    • DOC Transport and Export in a Dynamic Tropical Catchment 

      Sanchez-Murillo, Ricardo; Romero-Esquivel, L. G.; Jiménez Antillón, J.; Salas Navarro, J.; Corrales Salazar, L.; Álvarez Carvajal, J.; Álvarez McInerney, S.; Bonilla Barrantes, D,; Gutiérrez Sibaja, N.; Martínez - Arroyo, M.; Ortíz Apuy, E.; Salgado Lobo, J.; Villalobos Morales, J.; Esquivel-Hernández, Germain; Rojas Jiménez, L.D.; Gómez Castro, C.; Jiménez Madrigal, Q.; Vargas Gutiérrez, O.; Birkel, Christian (American Geophysical Union, 2019)
      Abstract Dissolved organic carbon (DOC) transport and export from headwater forests into freshwaters in highly dynamic tropical catchments are still understudied. Here we present a DOC analysis (2017) in a pristine and ...

    • National Inventory of Mercury Release into Different Environmental Sectors Estimated by United Nations Environment Programme (UNEP) Toolkit in Costa Rica 

      Aguilar, Maria; Mora, Jose; Sibaja, José; Valdés, Juan; Zabala, Walter (United Nations Environment Programme (UNEP) Toolkit, 2017)
      This paper summarizes the national inventory of mercury released into all environmental sectors (air, water, land, impurity in products, general wastes and sector specific treatment/disposal) for the year 2008 in the country ...

    • Obtención de acetato de celulosa a partir de desechos agroindustriales 

      Sibaja Ballestero, María del Rosario; Moya Portuguez, Manuel E.; Duran Chavarria, Marlen (Universidad Nacional [Costa Rica], 1989-01-01)
      El propósito del presente trabajo fue encontrar usos alternativos para los residuos agrícolas. Se realizó la acetilación de celulosa de cáscara de piña, cáscara de arroz y aserrín. La reacción de acetilación se llevó a ...