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María Cristina Area

María Cristina Area
Instituto de Materiales de Misiones (UNaM-CONICET) · Programa de Celulosa y Papel

PhD
Director-Researcher-Professor

About

260
Publications
191,026
Reads
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2,566
Citations
Citations since 2017
83 Research Items
2058 Citations
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20172018201920202021202220230100200300400500
Introduction
Biorefinery. Fibrous materials. Clean technologies of pulping and bleaching.
Additional affiliations
June 2005 - present
National Scientific and Technical Research Council
Position
  • Researcher
April 1981 - present
National University of Misiones
Position
  • Professor (Associate)
Description
  • Delivering courses on Pulp and Paper Technology, Statistics and experimental designs and Methodology of research.
January 1981 - October 2015
National University of Misiones
Position
  • Professor (Associate)

Publications

Publications (260)
Article
Full-text available
Agroforestry wastes are industrial byproducts available locally such as eucalyptus sawdust (EUC) and sugarcane bagasse (SCB). These byproducts can be used as lignocellulosic raw materials to produce high-value products. This study is a techno–economic analysis of four potential scenarios to produce polyhydroxybutyrate (PHB) and levulinic acid (LA)...
Article
Full-text available
There is a global trend to replace the production of conventional recyclable plastics with biobased ones, allowing a sustainable alternative adapted to the current concept of a circular bioeconomy. Forest-industrial and agricultural biomass wastes (lignocellulosic biomass waste, LCBW) produce severe problems in some developing countries because the...
Chapter
Lignocellulosic biomass is an abundant and valuable raw material for high commercial value and great industrial importance for bio-based chemical production, including levulinic acid as a relevant product. Levulinic acid (LA) is a versatile and specialty chemical in the green chemistry field with relevant applications in varied domains. Traditional...
Article
Full-text available
Manufacturing processes and their economy are dramatically evolving due to machinery and digital control improvements. Artificial intelligence, big data analytics, and the Internet of Things are key tools for this new industrial revolution era based on Industry 4.0. Bioeconomy and circular economy concepts have appeared in the forest, agriculture,...
Article
Full-text available
This research aimed to obtain bio-degradable microfibrillated cellulose (MFC) films from a pine sawdust pulp for use as liquid containers. The films were combined with food-grade polyols (sorbitol, glycerol, and mannitol) to improve the hydrophobicity and provide barrier properties. Pine sawdust (a by-product of primary wood industrialization, high...
Chapter
The production of nanometric size particles from lignocellulosic pulp or waste and other cellulose biomass involves top-down techniques. The first stage is the fractionation of biomass, which is the first opportunity to apply more environmentally friendly methods. Subcritical water or supercritical CO2 are simple methods to extract hemicelluloses a...
Article
Full-text available
The study involves alternatives for pine sawdust valorization. It includes pellet production as the base case and two biorefinery schemes to produce levulinic acid (LA) and its by-products (furfural and formic acid). The studied scenarios consider an annual capacity of 100,000 of dry sawdust. In scenario I, 108 kt per year of pellets could be obtai...
Article
Full-text available
The soda–ethanol process was conceived as a sulfur-free pulping process, which may also be an alternative to conventional alkaline pulping, such as kraft or soda–AQ in the biorefinery context. An in-depth study using two experimental designs was conducted to establish the viability of soda–ethanol delignification of pine sawdust. At first, a simple...
Article
Full-text available
This study assesses the possibility of obtaining regenerated cellulose products (beads and films) from eucalyptus sawdust dissolving pulps produced by non-conventional processes, compared with a commercial dissolving pulp as a reference. Eucalyptus sawdust dissolving pulps were obtained by soda pulping followed by two TCF sequential bleaching proce...
Article
Full-text available
The decline in world oil reserves evidences the need to diversify the sources of equivalent raw materials. The use of biomass is one of the most explored alternatives. This work evaluates the second-generation bioethanol (2G) production from a pine sawdust soda- ethanol pulp by simultaneous hydrolysis and fermentation (SSF) to obtain the best condi...
Article
Full-text available
The implementation of biorefineries of sawmill residues is an opportunity in countries or regions with a high rate of afforestation. Microfibrillated cellulose (MFC) is a high-value product that can be obtained from the cellulosic fraction. However, many critical aspects involved in its production and characterization are not clarified yet. This st...
Chapter
Nanofibrillated cellulose and cellulose nanocrystals have revolutionized the field of biobased nanomaterials because of their unique characteristics such as specific surface, mechanical properties, optical properties, crystallinity, stiffness versatility, gelation, light weight, low toxicity, and biodegradability. Its potential applications involve...
Article
Full-text available
This work presents the study of heterogeneous catalysis of sugarcane bagasse hydrothermal treatment spent liquors using a sulfonated resin. Besides, results were compared with those obtained by a conventional route using sulfuric acid as a homogeneous catalyst. Heterogeneous catalysis is suitable for the hydrolysis of sugarcane bagasse hydrothermal...
Chapter
Full-text available
Disponible en: https://redforestal.conicet.gov.ar/download/libro/REDFOR_libro_2021_Completo-2_compressed-1.pdf
Book
Full-text available
La Red de Ciencia y Tecnología Forestal (REDFOR.ar) define, en su tercer objetivo específico: “Generar los mecanismos necesarios para abordar y difundir en la sociedad, el rol social, cultural e importancia ambiental y económica de los bosques”. Así, en 2018 se encomendó a la Comisión de Comunicación iniciar contacto con el medio digital y agencia...
Article
Full-text available
High-value products can be obtained from non-traditional lignocellulosic resources, such as bamboo, taking full advantage of these materials through efficient, low-cost and low-pollution fractionation processes. This work aims to analyze the physical, chemical, and morphological differences between two bamboo species as a rapidly growing resource o...
Article
Full-text available
This work aims to evaluate second-generation bioethanol production from the soda-ethanol pulp of pine sawdust via two strategies: separate hydrolysis and fermentation and simultaneous saccharification and fermentation. A kinetics study of the enzymatic hydrolysis of separate hydrolysis and fermentation was included as a design tool. Three soda-etha...
Preprint
Full-text available
This study assesses the possibility of obtaining regenerated cellulose products (beads and films) from eucalyptus sawdust dissolving pulps produced by non-conventional processes, compared with a commercial dissolving pulp as a reference. Eucalyptus sawdust dissolving pulps were obtained by soda pulping followed by two different TCF sequential bleac...
Article
Full-text available
Gamma-valerolactone (GVL) is a highly reactive keto-lactone and a promising platform biomolecule, used as an additive for food and fuels, green solvent, and fuels precursor, among others. Its production from biomass usually involves hydrogenation and subsequent cyclization of levulinic acid or its esters. The process of conventional hydrogenation r...
Article
Full-text available
Gamma-valerolactone (GVL) is a highly reactive keto-lactone and a promising platform biomolecule, used as an additive for food and fuels, green solvent, and fuels precursor, among others. Its production from biomass usually involves hydrogenation and subsequent cyclization of levulinic acid or its esters. The process of conventional hydrogenation r...
Chapter
Polyhydroxyalkanoates (PHAs) are defined as natural and biodegradable biopolymers obtained by microbial synthesis. PHAs are classified as short chain length (3–5 carbon monomers), medium chain length (6–14 carbon monomers), and long chain length (15–18 carbon monomers), depending on the number of carbons in the monomeric constituents. Little is kno...
Article
Full-text available
The production of bioplastics is a growing trend. The utilization of renewable sources, in some cases currently wasted, to replace petroleum derivatives, is providing opportunities to achieve more environmentally friendly product life cycles. The possibility of producing biodegradable products under normal environmental conditions is another goal o...
Article
Full-text available
Bio-based ethylene produced by bioethanol dehydration is an environmentally friendly substitute for oil-based ethylene. It is a low-pollution raw material that can be used to produce high-value bio-based materials. Currently, some industrial plants use first-generation (1G) bioethanol to produce bio-ethylene. However, second-generation (2G) bioetha...
Article
Full-text available
Sustainable biomass valorization, as agricultural and forestry wastes, and the development of conversion processes could bring additional benefits like solving the residue disposal, generating renewable biofuels and bio-based chemicals, reducing net greenhouse gas emissions, and creating more manufacturing jobs, among others. The commercialized pro...
Article
Full-text available
Sustainable development is the common goal of the current concepts of bioeconomy and circular economy. In this sense, the biorefineries platforms are a strategic factor to increase the bioeconomy in the economic balance. The incorporation of renewable sources to produce fuels, chemicals, and energy, includes sustainability, reduction of greenhouse...
Article
Bio-based ethylene produced by bioethanol dehydration is an environmentally friendly substitute for oil-based ethylene. It is a low-pollution raw material that can be used to produce high-value bio-based materials. Currently, some industrial plants use first-generation (1G) bioethanol to produce bio-ethylene. However, second-generation (2G) bioetha...
Article
Full-text available
The addition of nanofibrillated cellulose in paper production requires attention to its dispersion and retention during the paper forming process, and this is commonly facilitated by the use of retention agents. The performance of retention agents, which commonly have a cationic charge, is affected by the presence of dissolved and colloidal substan...
Article
Full-text available
The effect of nanofiber addition on the physical–mechanical properties of industrial chemimechanical pulp handsheets was evaluated. The nanofibers (3 wt%) were added to industrial pulps taken from two positions of the approach flow, trying to reproduce the real paper machine process. Significant correlations between the characteristics of the cellu...
Article
Full-text available
The need to develop biobased materials from renewable feedstocks requires the previous design and assessment of the production processes of these promising new value-added products. Nano and micro- fibrillated cellulose (NFC and MFC, respectively) are two of these new products that could revolutionize the biobased industry. In the present work, the...
Article
Full-text available
This work aimed to compare the production of bioethanol from rice husk through simultaneous hydrolysis and fermentation process (SSF) with that through hydrolysis followed by fermentation process (SHF). The raw material was pretreated under mild conditions with sodium hydroxide. Initially, the influence of particle size was evaluated in the enzyma...
Article
Full-text available
The aim of this study was to clarify the role of the relative amounts of hemicelluloses and lignin on the enzymatic hydrolysis of pretreated sugarcane bagasse, by using the glucans/lignin ratio and the glucans/xylans ratio as a quick estimation of the enzymes accessibility to cellulose. The samples were selected to contain about 3–20% lignin, 52–90...
Article
Full-text available
Bio-polyethylene (BioPE, derived from sugarcane), sugarcane bagasse pulp, and two compatibilizers (fossil and bio-based), were used to manufacture biocomposite filaments for 3D printing. Biocomposite filaments were manufactured and characterized in detail, including measurement of water absorption, mechanical properties, thermal stability and decom...
Article
A profitability requirement for biorefineries is the integral use of raw materials through efficient and optimized fractionation processes. Supercritical carbon dioxide has been stated as a promising green solvent which advantages have been previously suggested in the literature. This work evaluates the effect of subcritical and supercritical CO2 i...
Poster
Full-text available
La calidad de la madera para diferentes usos (estructural, papel, otros) está definido por una conjunción de propiedades externas e internas de la misma. Entre ellas, las características de sus fibras, especialmente espesor de pared y longitud, que están directamente relacionadas a las propiedades físico-mecánicas y tecnológicas, siendo fundamental...
Article
Full-text available
Resumen La región NE de la Argentina se caracteriza por cultivar especies forestales de rápido crecimiento con la finalidad de atender a los diferentes mercados de madera. En este sentido, los sistemas silvopastoriles han ido aumentando su participación, entre otras cosas, para obtener madera libre de nudos. Se presume que la materia prima resultan...
Poster
Full-text available
La región NE de la Argentina se caracteriza por cultivar especies forestales de rápido crecimiento con la finalidad de atender a los diferentes mercados de madera. En este sentido, los sistemas silvopastoriles han ido aumentando su participación, entre otras cosas, para obtener madera libre de nudos. Se presume que la materia prima resultante de es...
Article
Full-text available
La orientación de las fibrillas en la capa S2 de la pared secundaria de las traqueidas es la que determina en gran medida las propiedades de la madera, sobre todo su resistencia y contracción. La orientación de las puntuaciones y de los campos de cruzamiento en la pared de las traqueidas indica a menudo la alineación de las microfibrilas y ha sido...
Article
Full-text available
Resumen Se empleó la velocidad de onda generada por ultrasonido entre sensores (VOU) para determinar propiedades estructurales de la madera. Se evaluó la VOU en árboles y rollizos de Pinus taeda procedentes de parcelas sin raleo y con podas de distintas intensidades. El ensayo silvícola está ubicado en Santo Tomé, Corrientes, Argentina. Las intensi...
Article
Full-text available
Resumen Para evaluar propiedades estructurales de la madera se pueden utilizar métodos no destructivos (MND). Para evaluar ejemplares de Pinus taedaL. en pie se aplicó ultrasoni-do y resonancia a sus rollizos basales una vez apeados. Este material procedía de los 4 tra-tamientos de raleo (0%, 50 %, 75 % y 87 %) sin poda de un ensayo. Los rollizos f...
Article
Full-text available
Resumen El objetivo de este trabajo fue determinar el efecto de la intensidad raleo sobre el módulo de elasticidad y de rotura a la flexión estática, como así también verificar la varia-ción radial de estas propiedades. Se tomaron muestras de la troza inmediatamente por en-cima del 1,30 m de altura, de 24 árboles provenientes de un ensayo de raleo...
Article
Full-text available
Resumen En los sistemas silvopastoriles de la región NE argentina, el Pinus taeda es una de las especies más utilizadas. Su madera, entre como el material genético utilizado y el manejo silvícola (poda y raleo) aplicado. Un tratamiento adecuado contribuye a mejo-rar las características de apariencia y también puede contribuir a mejorar las propieda...
Poster
Full-text available
Evaluation of parameters that define wood quality in breeding programs is fundamental in the decision-making. The use of non-destructive methodologies simplifies this issue. The acoustic tools are based on the recording of wave stress time (SWT) between two sensors. When measuring large quantities of trees, it is necessary to adjust the measurement...
Article
This study aims to evaluate the life cycle environmental implications of producing fiber-reinforced biocomposite pellets, compared with sugarcane- and petroleum-based polyethylene (PE) pellets. Life Cycle Assessment (LCA) methodology is used to evaluate the production of four types of pellets. LCA allows the evaluation of the benefits of improving...
Article
Full-text available
There is a global trend of substitution of fossil fuels for renewable energy sources, which are preferred by reasons including sustainability, reduction of greenhouse gases that contribute to climate change, regional and social systems advancement, among others. This review is part of the studies carried out on the integral use of wood industrial w...
Article
Full-text available
El objetivo de este trabajo fue encontrar las condiciones óptimas de hidrólisis enzimática de la cascarilla de arroz pretratada con hidróxido de sodio en autoclave a 121° C. Se evaluaron las variables: FPU/ g sustrato, pH, agitación, tiempo, temperatura y concentración de surfactante mediante un diseño de cribado, resultando estadísticamente signif...
Article
Full-text available
Resumen El objetivo de este trabajo fue encontrar las condiciones óptimas de hidrólisis enzimática de la cascarilla de arroz pretratada con hidróxido de sodio en autoclave a 121° C. Se evaluaron las variables: FPU/ g sustrato, pH, agitación, tiempo, temperatura y concentración de surfactante mediante un diseño de cribado, resultando estadísticament...
Article
The differences between a biorefinery and an oil refinery are determined by the higher oxygen content of the biorefinery's biomass, its high degree of functionalization, its low thermal stability, its polar components, which are mostly acidic, its highly heterogeneous structure, and its quality variation as result of genotypic and phenotypic charac...
Article
Full-text available
This work aimed to study the influence of the initial chemical composition (glucans, lignin, xylan, and mannans), intrinsic viscosity, and carboxylate groups of pulps on the production process and final properties of lignocellulosic nanofibers (LCNF). Pulps of pine sawdust, eucalyptus sawdust, and sugarcane bagasse subjected to conventional pulping...
Article
Full-text available
Soda-ethanol pulps, prepared from a forestry residue pine sawdust, were treated according to high-consistency enzymatic fibrillation technology to manufacture nanocellulose. The obtained nanocellulose was characterized and used as ink for three-dimensional (3D) printing of various structures. It was also tested for its moisture sorption capacity an...
Book
Full-text available
Investigadoras Dra. María Evangelina Vallejos y Dra. María Cristina Area publican el libro "PRODUCCIÓN Y USOS DE LA CELULOSA NANOFIBRILADA Y MICROFIBRILADA", de la Red NANOCELIA (Transferencia tecnológica sobre aplicaciones de nanocelulosa en Iberoamérica), Programa Iberoamericano de Ciencia y Tecnología para el Desarrollo (CYTED). Las nanofibras c...
Article
Full-text available
La producción de papel a partir de fibras de plantas anuales o de residuos agroindustriales es una alternativa rentable para países con escasos recursos madereros. Estas fibras pueden ser empleadas para obtener calidades de papel artesanal. El objetivo de este estudio fue evaluar la potencialidad de cinco tipos de fibras no convencionales de Colomb...
Article
Cellulose nanofibril (CNF) films were prepared from side streams generated by the sugarcane industry, that is, bagasse. Two fractionation processes were utilized for comparison purposes: (1) soda and (2) hot water and soda pretreatments. 2,2,6,6‐Tetramethylpiperidinyl‐1‐oxyl‐mediated oxidation was applied to facilitate the nanofibrillation of the b...
Article
Sugarcane bagasse, an abundant residue, is usually burned as an energy source. However, provided that appropriate and sustainable pulping and fractionation processes are applied, bagasse can be utilized as a main source of cellulose nanofibrils (CNF). We explored in this study the production of CNF inks for 3D printing by direct-ink-writing technol...
Article
This work proposes a sequential combination of steam explosion and organosolv delignification for Pinus radiata fractionation. An efficient pretreatment to fully optimize the use of lignocellulosic materials is the key to make a biorefinery profitable, especially for softwoods, known to be more recalcitrant than other lignocellulosic raw materials....
Book
Full-text available
El objetivo de este trabajo fue analizar la potencialidad para el desarrollo de sustitutos renovables no tradicionales, a partir de la transformación química y mecánica de la madera en la Argentina. El texto se divide en 8 capítulos, según se describe a continuación. El Capítulo 1 es introductorio. Presenta una síntesis de la química de la madera p...
Article
This work investigates the valorization of sodium lignosulfonate, kraft, and organosolv lignins from South America. A detailed characterization of the lignins and their chemical modification by hydroxymethylation through its reaction with formaldehyde were performed. The characterization included measurements of moisture, ash, carbohydrate contents...
Article
The aim of this work was to evaluate the effect of different pretreatments applied to industrial slash pine sawdust (Pinus elliottii) on its enzymatic hydrolysis. NREL laboratory analytical procedures for standard biomass analysis were used to characterize the thirty one fibrous materials produced. Eight pretreated materials were selected consideri...
Article
Biological valorization of biomass most often depends on the efficient reduction of plant cell wall recalcitrance and conversion of lignin – the most recalcitrant constituent – to fuels, chemicals and/or value-added substances. Lignin conversion to fuels and value-added chemicals requires a sound understanding of the structure of lignin before and...
Article
Full-text available
La creciente demanda de biomasa forestal ha motivado el cultivo de plantaciones forestales de corta rotación en países desarrollados y en desarrollo. La Moringa oleifera es una especie de rápido crecimiento que se adapta a un amplio rango de suelos. La incorporación de esta especie como cultivo forestal en los sistemas silvo-pastoriles permitiría e...
Article
Full-text available
This work proposes a kinetic model for the reactions involved in the heterogeneous copper-based Fenton-type oxidation of mixed recalcitrant compounds in a real industrial effluent from the alkaline sulfite treatment of wood. This kind of treatment is unusual in this industry due to the complexity of the effluents and the high costs involved in tota...
Article
Pine sawdust is an important lignocellulosic waste from the primary industrialization of wood, and its valorization using the biorefinery concept could add new value chains to the forest industry. Compared with large‐scale biorefineries, small‐scale ones involve lower capital and logistics costs, lower risk, and can increase the use of labor in rur...
Article
Bagasse is an underutilized agro-industrial residue with great potential as raw material for the production of cellulose nanofibrils (CNF) for a range of applications. In this study, we have assessed the suitability of bagasse for production of CNF for three-dimensional (3D) printing. Firstly, pulp fibers were obtained from the bagasse raw material...
Article
Full-text available
The processing of recycled paper into packaging materials is becoming one of the most important activities of paper mills. However, the use of recycled paper as a raw material causes an important increase of dissolved colloidal substances in industrial waters, known as anionic trash, which greatly increases water conductivity and cationic demand di...
Chapter
Xylans from hemicelluloses can be depolymerized into xylose for the bioproduction of xylitol. Xylitol is used as a sweetening agent, and it can be an important platform for sustainable bioproducts. A key point in xylitol production is the availability of xylose solutions at low cost, which would facilitate the emergence of new markets and applicati...
Article
Full-text available
Cellulosic fractions of Eucalyptus sp. sawdust pulp and of sugarcane bagasse pulp, which had been subjected to hydrothermal and alkaline treatments, were purified by oxidative means (oxygen and ozone, followed by an alkaline extraction) to obtain dissolving pulp. The properties of the obtained pulps were evaluated and compared with those of commerc...
Article
One of the main obstacles to the development of advanced forest biorefineries is the optimal fractionation of the plant biomass. The aim of this work was to design a two-stage process for the fractionation of slash pine sawdust: alkaline deresination for extractives removal and sulfuric acid-catalyzed steam explosion (SE) for hemicellulose extracti...