Melina Psycha

Melina Psycha
National Technical University of Athens | NTUA · School of Chemical Engineering

PhD Candidate

About

12
Publications
1,152
Reads
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51
Citations

Publications

Publications (12)
Article
This work presents solutions for the holistic utilization of lignocellulosic biomass based on the “lignin-first” concept. Biomass is fractionated by employing γ-Valerolactone (GVL) and Formaldehyde solvents to effectively extract and protect lignin and xylose ingredients. The process flowsheet and simulation of a large scale biomass fractionation t...
Chapter
The work focuses on exploring the uncertainties concerning the prices of chemicals and the involved markets regarding algae biorefineries. A product-oriented approach is analyzed which directly links the customization of product portfolios with market needs and behaviors. For this purpose, the microalga Dunaliella is selected leading to four intere...
Chapter
The work focuses on broadening the scope beyond the state-of-the-art and deals with more complicated concepts in the field of algae biorefineries. A general methodology is analyzed targeting the design of multi-feedstock biorefineries, thus providing flexibility in terms of feedstock and products. For this purpose, three microalgae are introduced a...
Chapter
The collection and exploitation of emerging data regarding algae systems is a difficult and challenging task, which requires coordination between the different sources. Relations between algae feedstocks, technologies and products are ambiguous at best and the ones that are established need to be documented. The systems platform presented in this p...
Chapter
The paper addresses the design of a microalga biorefinery coping with the challenges of process synthesis and product selection. It capitalizes on a developed methodology to design a multi-product plant of 1 kt/y in biomass productivity with an extensive product portfolio focusing on high value chemicals. The designed biorefinery is further studied...
Chapter
The paper addresses the challenges in the emerging field of microalgae biorefineries by adopting a methodology for simultaneous screening of processing paths and product portfolios. The approach follows the combinatorial use of a superstructure design and an optimization model to establish feasible and profitable solutions. For the synthesis stage,...
Conference Paper
Biorefineries typically refer to lignocellulosic feedstock as they are available from agricultural activities, residues, waste organics or forestry supplies. There is much less attention to water substrates from micro-algae and macro-algae systems that feature alternative paths to products, involve competitive chemistries and require co-production...
Article
The study discusses the development of an integrated process that addresses the coproduction of glycerol, β-carotene and proteins from microalgae biomass using a multitude of solvents and scoping to reduce energy consumption. An evolutionary approach is adopted in order to establish feasible and sustainable flowsheeting. Process integration is appl...
Article
The paper discusses the development of an integrated process that addresses the co-production of glycerol, β-carotene and proteins using a multitude of solvents and scoping to reduce energy consumption. Process integration is applied to target efficiency scoping reviewing thermal integration, and the use of alternative separation schemes. The analy...
Conference Paper
Our aim is to increase the range of commercially viable biofuels by developing a low-cost system for producing industrial quantities of glycerol from the halophytic microalga, Dunaliella, cultivated on saline water. Glycerol can be combusted at very high efficiencies and with very low emissions without chemical alteration or the addition of combust...

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