Roberto Rinaldi
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View article: Mass-resolved UV–Vis–GPC mapping diagnoses catalyst ageing in RCF lignin streams
Mass-resolved UV–Vis–GPC mapping diagnoses catalyst ageing in RCF lignin streams Open
SI 320 identifies RCF-stabilised lignins with minimal degradation chromophores. GPC–UV–Vis SI 320 ( M ) profiles show oligomer downshifts from chromophore build-up during catalyst ageing, preceding monomer yield loss.
View article: Optimal cycles enclosing all the nodes of a $k$-dimensional hypercube
Optimal cycles enclosing all the nodes of a $k$-dimensional hypercube Open
We solve the general problem of visiting all the $2^k$ nodes of a $k$-dimensional hypercube by using a polygonal chain that has minimum link-length, and we show that this optimal value is given by $h(2,k):=3 \cdot 2^{k-2}$ if and only if $…
View article: Detailed Insights into Lignin Stabilization and Carbohydrate Nature in H-transfer RCF: On the Role of Solvent Fractionation of Lignin Oil in Structural Profiling
Detailed Insights into Lignin Stabilization and Carbohydrate Nature in H-transfer RCF: On the Role of Solvent Fractionation of Lignin Oil in Structural Profiling Open
Reductive Catalytic Fractionation (RCF) of lignocellulosic materials produces lignin oil rich in monomer products and high-quality cellulosic pulps. RCF lignin oil also contains lignin oligomers/polymers and hemicellulose-derived carbohydr…
View article: Detailed Insights into Lignin Stabilization and Carbohydrate Nature in H-transfer RCF: On the Role of Solvent Fractionation of Lignin Oil in Structural Profiling
Detailed Insights into Lignin Stabilization and Carbohydrate Nature in H-transfer RCF: On the Role of Solvent Fractionation of Lignin Oil in Structural Profiling Open
Reductive Catalytic Fractionation (RCF) of lignocellulosic materials produces lignin oil rich in monomer products and high-quality cellulosic pulps. RCF lignin oil also contains lignin oligomers/polymers and hemicellulose-derived carbohydr…
View article: Lignin Stabilization and Carbohydrate Nature in H‐transfer Reductive Catalytic Fractionation: The Role of Solvent Fractionation of Lignin Oil in Structural Profiling**
Lignin Stabilization and Carbohydrate Nature in H‐transfer Reductive Catalytic Fractionation: The Role of Solvent Fractionation of Lignin Oil in Structural Profiling** Open
Reductive Catalytic Fractionation (RCF) of lignocellulosic materials produces lignin oil rich in monomer products and high‐quality cellulosic pulps. RCF lignin oil also contains lignin oligomers/polymers and hemicellulose‐derived carbohydr…
View article: Ischemia-guided vs routine non-culprit vessel angioplasty for patients with ST segment elevation myocardial infarction and multi-vessel disease: the IAEA SPECT STEMI trial
Ischemia-guided vs routine non-culprit vessel angioplasty for patients with ST segment elevation myocardial infarction and multi-vessel disease: the IAEA SPECT STEMI trial Open
A strategy of ischemia-guided non-culprit PCI resulted in low ischemia burden, and was non-inferior to a strategy of routine non-culprit vessel PCI in reducing ischemia burden. Selective non-culprit PCI following STEMI offers the potential…
View article: Detailed insights into lignin stabilisation and carbohydrate chemical nature in the H-transfer RCF process: On the role of solvent fractionation in the structural profiling of lignin oil
Detailed insights into lignin stabilisation and carbohydrate chemical nature in the H-transfer RCF process: On the role of solvent fractionation in the structural profiling of lignin oil Open
Reductive Catalytic Fractionation (RCF) of lignocellulosic materials produces lignin oil rich in monomer products and high-quality cellulosic pulps. RCF lignin oil also contains lignin oligomers/polymers and hemicellulose-derived carbohydr…
View article: Kinetic Energy Dose as a Unified Metric for Comparing Ball Mills in the Mechanocatalytic Depolymerization of Lignocellulose
Kinetic Energy Dose as a Unified Metric for Comparing Ball Mills in the Mechanocatalytic Depolymerization of Lignocellulose Open
Mechanochemistry utilizes mechanical forces to activate chemical bonds. It offers environmentally benign routes for both (bio) organic and inorganic syntheses. However, direct comparison of mechanochemistry results is often very challengin…
View article: Techno-economic analysis and life cycle assessment of a biorefinery utilizing reductive catalytic fractionation
Techno-economic analysis and life cycle assessment of a biorefinery utilizing reductive catalytic fractionation Open
Analysis of a promising lignin-first biorefining technique, reductive catalytic fractionation, provides useful metrics for cost and sustainability to guide researchers toward critical areas for improvement.
View article: Guidelines for performing lignin-first biorefining
Guidelines for performing lignin-first biorefining Open
With these guidelines, we aim to unite the lignin-first biorefining research field around best practices for performing or reporting feedstock analysis, reactor design, catalyst performance, and product yields.
View article: Lignin-First Biorefining of Lignocellulose: the Impact of Process Severity on the Uniformity of Lignin Oil Composition
Lignin-First Biorefining of Lignocellulose: the Impact of Process Severity on the Uniformity of Lignin Oil Composition Open
In lignin-first biorefining via reductive processes, lignocellulosic materials are deconstructed by the solvent extraction of lignin in the presence of a hydrogenation catalyst. This approach provides a route to the successful extraction a…
View article: Formation and Fate of Carboxylic Acids in the Lignin-First Biorefining of Lignocellulose via H-Transfer Catalyzed by Raney Ni
Formation and Fate of Carboxylic Acids in the Lignin-First Biorefining of Lignocellulose via H-Transfer Catalyzed by Raney Ni Open
Lignin-first biorefining constitutes a new research field in which the overarching objective is the prevention of lignin recalcitrance while providing high-quality pulps. For this purpose, the solvent extraction of lignin is performed in t…
View article: The Impact of Salts Formed by the Neutralisation of (Ligno)Cellulose Hydrolysates on the Hydrogenation of Sugars
The Impact of Salts Formed by the Neutralisation of (Ligno)Cellulose Hydrolysates on the Hydrogenation of Sugars Open
Dilute acid hydrolysis of lignocellulose often requires a neutralisation step to utilise the hydrolysate's sugars. In this context, very little is known regarding the impact of low levels of acids or their corresponding salts produced by n…
View article: Kinematic Modeling of Mechanocatalytic Depolymerization of α‐Cellulose and Beechwood
Kinematic Modeling of Mechanocatalytic Depolymerization of α‐Cellulose and Beechwood Open
Invited for this month′s cover is the group of Dr. Roberto Rinaldi from the Department of Chemical Engineering at Imperial College London. The Cover image is an artistic representation of the collision model for the ball mill operation eff…
View article: Hypercrosslinked microporous polymer sorbents for the efficient recycling of a soluble acid catalyst in cellulose hydrolysis
Hypercrosslinked microporous polymer sorbents for the efficient recycling of a soluble acid catalyst in cellulose hydrolysis Open
The use of hypercrosslinked microporous polymers overcomes the difficulties in the recycling of soluble acid catalysts within the lignocellulosic biorefinery improving the sustainability of cellulose hydrolysis and several other transforma…
View article: Lignin-First Biorefining of Lignocellulose: the Impact of Process Severity on the Uniformity of Lignin Oil Composition
Lignin-First Biorefining of Lignocellulose: the Impact of Process Severity on the Uniformity of Lignin Oil Composition Open
In lignin-first biorefining via reductive processes, lignocellulosic materials are deconstructed by the solvent extraction of lignin in the presence of a hydrogenation catalyst. This approach provides a route to the successful extraction a…
View article: Implementation of Circular Economy Business Models by Small and Medium-Sized Enterprises (SMEs): Barriers and Enablers
Implementation of Circular Economy Business Models by Small and Medium-Sized Enterprises (SMEs): Barriers and Enablers Open
Small and medium-sized enterprises (SMEs) are increasingly aware of the benefits of closing loops and improving resource efficiency, such as saving material costs, creating competitive advantages, and accessing new markets. At the same tim…
View article: Paving the Way for Lignin Valorisation: Recent Advances in Bioengineering, Biorefining and Catalysis
Paving the Way for Lignin Valorisation: Recent Advances in Bioengineering, Biorefining and Catalysis Open
Lignin is an abundant biopolymer with a high carbon content and high aromaticity. Despite its potential as a raw material for the fuel and chemical industries, lignin remains the most poorly utilised of the lignocellulosic biopolymers. Eff…
View article: The Economic Advantage: Assessing the value of climate-change actions in agriculture
The Economic Advantage: Assessing the value of climate-change actions in agriculture Open
This report is aimed at readers who seek to build economic evidence in support of the inclusion of actions on agriculture in climate change plans and programmes, particularly at the national level under the umbrella of nationally determine…