Results 41 to 50 of about 82 (74)
, 2019 The main problem in designing a petrochemical complex is the cailculation of the optimum size of the plants that comprise it, because plants to be very large or very small generate overruns in the future. This paper presents a mathematical model designed in an Excel spreadsheet that allows to calculate the optimal size of the complex and interrelated ...
Céspedes Morante, Jorge Benigno +3 more
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Ingeniería básica de una planta de producción de policloruro de vinilo (PVC) granular
, 2016 In the present project it is carried out the basic engineering of a production plant of granular polyvinylchloride (PVC) from chlorine and ethylene as raw materials. This plant has an annual production capacity of 55,000 tons per year. The industrial complex in which this process takes place has got two different plants of manufacture: vinyl chloride ...
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Sustitución del agregado fino por Policloruro de Vinilo en el concreto estructural
This article is of an experimental nature, since the behavior of structural concrete was evaluated by adding PVC to replace the fine aggregate by 20%, 30% and 40%. The physical properties of polyvinyl chloride (PVC) and the aggregates (fine and coarse) were determined, obtaining that the specific weight of PVC is 1.14 g/cm3 and that of the fine ...
Cabrera Sanchez, Cleisler +1 more
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, 2019 This research shows the construction and performance analysis of four solar collectors with a recirculation pump and different design parameters. These collectors use water as a primary working fluid. The components of such equipment are two PVC pipe collectors black painted and two M pipe nominal diameter collectors of 0,0127 m (1/2 inch) and 15 m of ...
Calero Tixe, Ernesto Fabián +1 more
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Scientific Abstracts of the 16th Congress of the European Academy of Paediatric Dentistry (EAPD), Lisbon, Portugal, June 15-18, 2022. [PDF]
Eur Arch Paediatr Dent, 2023 europepmc +1 more source
, 2019 El presente Trabajo evalúa las Concentraciones de Nitrógeno, Fósforo y Potasio del biol y biosol elaborados a partir de estiércol de ganado vacuno, teniendo como objetivo ver si existe diferencias entre ambos componentes (biol y biosol), los efluentes se prepararon a partir de estiércol fresco siendo depositados en un biodigestor, se tomaron 4 muestras
Cabos Sánchez, Jeisson; Universidad Privada Antenor Orrego. Trujillo, La Libertad-PERÚ +3 more
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, 2020 Textile industry produces the highest dye discharge worldwide. This industry is one of the most important sectors of economy in Colombia and generates high wastewater amounts. Thus, it´s necessary to develop new and alternative materials and treatments that guarantee the hydric resource quality.
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, 2007 El presente trabajo buscó evaluar en laboratorio el cambio en la resistencia mecánica que experimentan mezclas asfálticas densas en caliente cuando se adicionan, por vía húmeda, al cemento asfáltico aditivos poliméricos producto de desechos industriales del tipo plastómero (policloruro de vinilo, polietileno de alta densidad y poliestireno).
Rondón Quintana, Hugo Alexánder +2 more
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