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Adriano Viana Ensinas

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Multi-objective Optimization of Supercritical Water Gasification of Leftover Brazilian Ginseng Roots After Phytochemical Recovery Steps

François Maréchal, Adriano Viana Ensinas, Alberto Mian, Juliana Queiroz Albarelli, Diego Tresinari dos Santos

The present study aims at studying the supercritical water gasification (SCWG) of the leftover Brazilian ginseng roots after phytochemicals extraction for synthetic natural gas (SNG) production, envisioning the development of a promising Brazilian ginseng ...

2017

Early-stage decision making approach for the selection of optimally integrated biorefinery processes

François Maréchal, Adriano Viana Ensinas, Shivom Sharma, Ayse Dilan Celebi

Lignocellulosic biorefineries are the best non-petroleum alternatives for a sustainable development. In the biorefinery process design, it is important to implement an algorithm that allows the systematic generation and the evaluation of energy conversion ...

2017

Apparatus for salt separation under supercritical water conditions

Daniel Favrat, François Maréchal, Adriano Viana Ensinas, Alberto Mian

Apparatus for salt separation (2) under supercritical water conditions, comprising a heat exchanger (4) and a fluidized bed reactor (6). The fluidized bed reactor comprising a supercritical water pressure containing wall (8) defining therein a fluidized be ...

2016

A method for aggregating external operating conditions in multi-generation system optimization models

Adriano Viana Ensinas, Christoffer Lythcke-Jørgensen

This paper presents a novel, simple method for reducing external operating condition datasets to be used in multi-generation system optimization models. The method, called the Characteristic Operating Pattern (CHOP) method, is a visually-based aggregation ...

2016

A methodology for designing flexible multi-generation systems

Adriano Viana Ensinas, Christoffer Lythcke-Jørgensen

An FMG (flexible multi-generation system) consists of integrated and flexibly operated facilities that provide multiple links between the various layers of the energy system. FMGs may facilitate integration and balancing of fluctuating renewable energy sou ...

Pergamon-Elsevier Science Ltd2016

Valorization of sugarcane biorefinery residues using supercritical water gasification: A case study and perspectives

François Maréchal, Alberto Mian, Adriano Viana Ensinas

The present study evaluates the use of supercritical fluid technology, particularly supercritical water gasification (SCWG), to add value to residues from a sugarcane biorefinery that produces first and second generation ethanol. This case study aims at el ...

2015

Optimum Biorefinery Pathways Selection Using the Integer-Cuts Constraint Method Applied to a MILP Problem

François Maréchal, Alberto Mian, Adriano Viana Ensinas, Stefano Maronese

Biorefineries are multi-product facilities that convert biomass into a broad variety of products (energy, biofuels, chemicals, feed, and food). In this paper, a new systematic approach to select and rank different biorefinery conversion pathways is propose ...

2015

Multi-objective optimization of SNG production from microalgae through hydrothermal gasification

François Maréchal, Adriano Viana Ensinas, Alberto Mian

The conversion of microalgae biomass into biofuels is a quite well explored field of research. Due to high photosynthetic efficiency, microalgae are considered as a potential feedstock for next-generations biofuel conversion processes. This paper addresses ...

2015

New alternatives for the fermentation process in the ethanol production from sugarcane: Extractive and low temperature fermentation

Adriano Viana Ensinas

Ethanol is produced in large scale from sugarcane in Brazil by fermentation of sugars and distillation. This is currently considered as an efficient biofuel technology, leading to significant reduction on greenhouse gases emissions. However, some improveme ...

Elsevier2014

Thermo-Economic Optimisation of Integrated Ethanol and Methanol Production in the Sugarcane Industry

François Maréchal, Emanuela Peduzzi, Adriano Viana Ensinas, Priscilla Caliandro, Sandro Onorati

The present paper evaluated a sugarcane biorefinery producing ethanol, through the conventional process by sugars fermentation and methanol through bagasse and leaves gasification, hot cleaning and synthesis. The sugarcane biorefinery was modelled using fl ...

Aidic Servizi Srl2014

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Multi-objective Optimization of Supercritical Water Gasification of Leftover Brazilian Ginseng Roots After Phytochemical Recovery Steps

François Maréchal, Adriano Viana Ensinas, Alberto Mian, Juliana Queiroz Albarelli, Diego Tresinari dos Santos

2017

Apparatus for salt separation under supercritical water conditions

Daniel Favrat, François Maréchal, Adriano Viana Ensinas, Alberto Mian

2016

A method for aggregating external operating conditions in multi-generation system optimization models

Adriano Viana Ensinas, Christoffer Lythcke-Jørgensen

2016

New alternatives for the fermentation process in the ethanol production from sugarcane: Extractive and low temperature fermentation

Adriano Viana Ensinas

Elsevier2014