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Rainer Feistel and Olaf Hellmuth
Under typical marine conditions of about 80% relative humidity, evaporation of water from the ocean is an irreversible process accompanied by entropy production. In this article, equations are derived for the latent heat of irreversible evaporation and t...
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Francisco Javier Gutiérrez Ortiz and F. López-Guirao
The specific application of this work is the effective energy integration of thermochemical processes dealing with nonconventional solids, such as solid biomass, in process simulation under chemical equilibrium so that all heat exchangers can be placed a...
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Rosario Jiménez-Espinosa, Pilar Hernández-Puentes and Juan Jiménez-Millán
A hydrochemical and mineral study of groundwaters and damaged rocks from the Tíscar and Larva fault zones (Betic Cordillera, Iberian Peninsula) was carried out in order to (a) describe the physical and chemical properties of the groundwaters; (b) recogni...
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Isabela M. Dias, Lucas C. Mourão, Guilherme B. M. De Souza, Jose M. Abelleira-Pereira, Julles M. Dos Santos-Junior, Antônio C. D. De Freitas, Lucio Cardozo-Filho, Christian G. Alonso and Reginaldo Guirardello
Pharmaceutical pollutants are considered emerging contaminants, representing a significant concern to the ecosystem. Thus, this study reports on the degradation of antihypertensive and cardiovascular drugs (atenolol, captopril, propranolol hydrochloride,...
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Saleh B. Alsaidi, Jeongmoo Huh and Mohamed Y. E. Selim
The performance of two solid biomass wastes, date stone and jojoba solid waste, was experimentally examined for their potential application in combustion and propulsion systems. The fuels were tested in a hybrid rocket-like combustion environment, and th...
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Calvin Nguyen and James C. Thomas
Hybrid rocket engine (HRE) performance is dependent on fuel/oxidizer selection and fuel grain geometry. A literature review was performed to identify key trends and findings related to the application of the additive manufacturing (AM) of fuel systems fo...
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Yongchan Kim, Junyeop Nam, Tae-Seong Roh and Hyoung Jin Lee
Base drag has a significant effect on the overall drag of a projectile in a supersonic flow. Herein, the base drag and flow characteristics of cold and hot gas flow in a supersonic flow are analyzed via numerical simulations. The hot gas flow is simulate...
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Fatima Elayadi, Mounia Achak, Wafaa Boumya, Sabah Elamraoui, Noureddine Barka, Edvina Lamy, Nadia Beniich and Chakib El Adlouni
This work highlights the elimination of chemical oxygen demand (COD) from olive mill wastewater using sugarcane bagasse. A 25-1 fractional factorial design of experiments was used to obtain the optimum conditions for each parameter that influence the ads...
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Lana Filipovic, Jasmina Defterdarovic, Rui Chen, Vedran Krevh, Horst H. Gerke, Thomas Baumgartl, Zoran Kovac, Gabrijel Ondra?ek, Stanko Ru?icic, Hailong He, Jaromir Dusek and Vilim Filipovic
The solubility and mobility of copper (Cu) in soil is strongly influenced by the presence of dissolved organic carbon (DOC); however, the interactions between Cu and DOC are complex and not yet fully understood. In this study, Cu and DOC concentrations w...
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Luiz Eduardo Nochi Castro, Larissa Resende Matheus, Rosana Rabelo Mançano, William Gustavo Sganzerla, Rafael Gabriel da Rosa, Tiago Linhares Cruz Tabosa Barroso, Vanessa Cosme Ferreira and Leda Maria Saragiotto Colpini
Brewer?s spent grains (BSG) are a significant by-product of beer production, and its improper disposal poses environmental challenges. This study investigated the use of BSG for activated carbon production with phosphoric acid as a chemical activator and...
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