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Ming Li, Yang Wang, Jukui Zhang, Binshuo Liu, Honghai Xue, Lei Wu and Zhonghe Li
High-rate algal ponds (HRAPs) are a highly promoted wastewater treatment system that uses sunlight as an energy source to provide the oxygen needed in the system through photosynthesis and has a high nutrient and organic matter removal capacity. In addit...
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Jhonny Alejandro Poveda-Giraldo and Carlos Ariel Cardona Alzate
In the last decade, pretreatment has been considered the core stage in the design of biorefineries. Different schemes could be proposed depending on the design objective, either pretreatments for the feedstock fractionation or pretreatments to obtain a p...
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Sergio Nogales-Delgado, Agustina Guiberteau Cabanillas, Juan Pedro Moro and José María Encinar Martín
The use of alternatives for petroleum-based products is becoming more and more important, especially considering the new and constantly changing geopolitical context, where excessive energy dependence is not desirable. Thus, biodiesel could play an impor...
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Heriberto Esteban Benito, Ricardo García Alamilla, Luz Arcelia García Serrano, Francisco Paraguay Delgado and Juan Antonio Carmona García
The influence of hafnium metal (Hf) and sulfate ions (SO42−" role="presentation" style="position: relative;">SO2-4SO42-
S
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) on the acidic properties of SiO2 mesopores synthesized by a non-hydrothermal method was studied using the follo...
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Nakyeong Lee, Aditya Lakshmi Narasimhan, Gyuseop Moon, Young-Eun Kim, Myeonghwa Park, Bolam Kim, Rendi Mahadi, Sungwook Chung and You-Kwan Oh
Ionic liquids (ILs) are new green solvents, which are widely used in lignocellulosic and microalgal biorefineries. However, high-temperature operating conditions limit their application in the extraction of heat-labile algal products, such as bioactive a...
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Iliane Colpo, Denis Rasquin Rabenschlag, Maria Soares de Lima, Mario Eduardo Santos Martins and Miguel Afonso Sellitto
This study aims to evaluate the financial and economic feasibility of implementing a biorefinery to process the solid waste, called brewers? spent grain, generated in the production of craft beer into special flour. In addition, to present a path for ope...
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Tamás Mizik and Gábor Gyarmati
As Earth?s fossil energy resources are limited, there is a growing need for renewable resources such as biodiesel. That is the reason why the social, economic and environmental impacts of biofuels became an important research topic in the last decade. De...
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Samir Isaac Meramo-Hurtado, Plinio Puello and Julio Rodríguez
The growing awareness to include sustainability goals in the chemical process design has been making palpable since many governments and research institutions have made many efforts precisely to progress new ways to transform available resources into val...
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Bimi Shrestha, Rafael Hernandez, Dhan Lord B. Fortela, Wayne Sharp, Andrei Chistoserdov, Daniel Gang, Emmanuel Revellame, William Holmes and Mark E. Zappi
The rapid increase in the population is expected to result in the approaching of design capacity for many US wastewater treatment plants (WWTPs) over the next decade. WWTPs treat both municipal and industrial wastewater influents, resulting in the produc...
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Yide Su, Weiwei Zhang, Aili Zhang and Wenju Shao
Environmental issues have prompted the vigorous development of biorefineries that use agricultural waste and other biomass feedstock as raw materials. However, most current biorefinery products are cellulosic ethanol. There is an urgent need for biorefin...
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