Opportunities for zeolites in biomass upgrading—Lessons from the refining and petrochemical industry

Kubička, David; Kikhtyanin, Oleg

doi:10.1016/j.cattod.2014.07.043

Cited by 80 publications

(56 citation statements)

References 150 publications

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“…[95][96][97] Based on the different nature of the biomass streams, such as higher oxygen content, the use and therefore the design of zeolites will differ. Zeolites have the potential to catalyse the transition to biomass conversion, owing to their excellent adaptability to meet the specific demands of chemical transformations.…”

Section: Novel Catalytic Applicationsmentioning

confidence: 99%

Synthesis, characterisation, and catalytic evaluation of hierarchical faujasite zeolites: milestones, challenges, and future directions

et al. 2016

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Faujasite (X, Y, and USY) zeolites represent one of the most widely-applied and abundant catalysts and sorbents in the chemical industry. In the last 5 years substantial progress was made in the synthesis, characterisation, and catalytic exploitation of hierarchically-structured variants of these zeolites. Hererin, we provide an overview of these contributions, highlighting the main advancements regarding the evaluation of the nature and functionality of introduced secondary porosity. The novelty, efficiency, versatility, and sustainability of the reported bottom-up and (predominately) top-down strategies are discussed. The crucial role of the relative stability of faujasites in aqueous media is highlighted. The interplay between the physico-chemical properties of the hierarchical zeolites and their use in petrochemical and biomass-related catalytic processes is assessed.

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Section: Novel Catalytic Applicationsmentioning

confidence: 99%

Synthesis, characterisation, and catalytic evaluation of hierarchical faujasite zeolites: milestones, challenges, and future directions

et al. 2016

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“…352 Since biomass related reactions often comprise substantially larger molecules than those derived from fossil fuels, the potential of hierarchical zeolites may be even larger. 32,44 Nowadays, a large variety of bottom-up and top-down strategies have been developed to enable the formation of hierarchical zeolites. 346,353 Especially, top-down post-synthetic modifications have shown promise as they are highly efficient, tuneable, scalable, and enable to prepare any zeolite to its hierarchical form.…”

Section: Concept 5: Hierarchical Zeolitesmentioning

confidence: 99%

Potential and challenges of zeolite chemistry in the catalytic conversion of biomass

et al. 2016

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Increasing demand for sustainable chemicals and fuels has pushed academia and industry to search for alternative feedstocks replacing crude oil in traditional refineries. As a result, an immense academic attention has focused on the valorisation of biomass (components) and derived intermediates to generate valuable platform chemicals and fuels. Zeolite catalysis plays a distinct role in many of these biomass conversion routes. This contribution emphasizes the progress and potential in zeolite catalysed biomass conversions and relates these to concepts established in existing petrochemical processes. The application of zeolites, equipped with a variety of active sites, in Brønsted acid, Lewis acid, or multifunctional catalysed reactions is discussed and generalised to provide a comprehensive overview. In addition, the feedstock shift from crude oil to biomass involves new challenges in developing fields, like mesoporosity and pore interconnectivity of zeolites and stability of zeolites in liquid phase. Finally, the future challenges and perspectives of zeolites in the processing of biomass conversion are discussed.

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“…[11][12][13][14] These types of heterogeneous catalysts are already playing a relevant role in several biomass valorization processes (including lignocellulosic biomass), as can be seen from the numerous scientific reports and literature revisions dedicated to this topic. [15][16][17][18][19][20][21][22][23] Nonetheless, most of the reviews currently available in the literature are focused on the utilization and potential of inorganic metal oxides (either pure or mixed metal oxides) and zeolites for biomass transformation (and derived platform molecules), and less attention has been given to LDH-type and derived catalysts.…”

Section: Introductionmentioning

confidence: 99%

Recent advances on the utilization of layered double hydroxides (LDHs) and related heterogeneous catalysts in a lignocellulosic-feedstock biorefinery scheme

et al. 2017

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Layered double hydroxides (LDHs) and derived materials have been widely used as heterogeneous catalysts for different types of reactions either in gas or in liquid phase. Among these processes, the valorization/upgrading of lignocellulosic biomass and derived molecules have attracted enormous attention because it constitutes a pivotal axis in the transition from an economic model based on fossil resources to one based on renewable biomass resources with preference for biomass waste streams. Proof of this is the increasing amount of literature reports regarding the rational design and implementation of LDHs and related materials in catalytic processes such as: depolymerization, hydrogenation, selective oxidations, and C-C coupling reactions, among others, where biomass-derived compounds are used. The major aim of this contribution is to situate the most recent advances on the implementation of these types of catalysts into a lignocellulosic-feedstock biorefinery scheme, highlighting the versatility of LDHs and derived materials as multifunctional, tunable, cheap and easy to produce heterogeneous catalysts.

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Opportunities for zeolites in biomass upgrading—Lessons from the refining and petrochemical industry

Cited by 80 publications

References 150 publications

Synthesis, characterisation, and catalytic evaluation of hierarchical faujasite zeolites: milestones, challenges, and future directions

Synthesis, characterisation, and catalytic evaluation of hierarchical faujasite zeolites: milestones, challenges, and future directions

Potential and challenges of zeolite chemistry in the catalytic conversion of biomass

Recent advances on the utilization of layered double hydroxides (LDHs) and related heterogeneous catalysts in a lignocellulosic-feedstock biorefinery scheme

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