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Biofuels Production from Biomass by Thermochemical .

Agricultural biomass as an energy resource has several environmental and economical advantages and has potential to substantially contribute to present days' fuel demands. Currently, thermochemical processes for agricultural biomass to energy transformation seem promising and feasible. The relative advantage of thermochemical conversion over others is due to higher productivity and .

US8083900B2 - Removal of water from bio-oil - Google .

A process and system for separating water from bio-oil by using a partial condenser. The process comprises partially condensing vapor conversion products from a biomass conversion reaction to produce a water-rich overhead stream and a water-depleted stream comprising condensed bio-oil. The partial condenser removes a substantial portion of the water from the bio-oil, while providing an .

Energies | Free Full-Text | Supercritical Carbon Dioxide .

In these works, a fast pyrolysis oil with an extremely high oxygen content is reported, which is higher than the oxygen content of the biomass feedstock. In addition, the majority of GC-MS identified components are oxygenated organic molecules, with a lower oxygen content than .

IEA Bioenergy

2016-10-14 · regarding process scale and biomass specificity, both critical because biomass is less densely concentrated in nature than fossil fuels. In the FAsP method, calcium formate is mixed with biomass (lignin and pine sawdust) and pyrolyzed in a bench-scale, fluidized bed, fast pyrolysis reactor with a solid feed rate of temperatures of ~500ºC and

Fast pyrolysis processes for biomass -

2012-7-26 · Biomass Fast Pyrolysis for Bio-oil : 32 Biomass fast pyrolysis : 35 Fast pyrolysis of biomass . speed dischargescrew which feeds the reactor. The reactor has staged external heating for zonaltemperature control and catalysts can be .

Welcome to PyroWiki - PyroWiki

Welcome to PyroWiki, where experts share their combined knowledge on all matters pertaining to the production, application and sustainability of FAST PYROLYSIS from BIOMASS.. Generally, pyrolysis is the thermochemical decomposition of organic material at elevated temperatures in absence of oxygen. It involves the simultaneous change of chemical composition and physical state, and is irreversible.

Hydrotreatment of Fast Pyrolysis Oil Using Heterogeneous .

2019-12-12 · Fast pyrolysis oils from lignocellulosic biomass are promising second-generation biofuels. Unfortunately, the application range for such oils is limited because of the high acidity (pH∼2.5) and the presence of oxygen in a variety of chemical functionalities, and upgrading of the oils is required for most applications. Herein, we report an experimental study on the upgrading of fast pyrolysis .

Biofuels Production from Biomass by Thermochemical .

Agricultural biomass as an energy resource has several environmental and economical advantages and has potential to substantially contribute to present days' fuel demands. Currently, thermochemical processes for agricultural biomass to energy transformation seem promising and feasible. The relative advantage of thermochemical conversion over others is due to higher productivity and .

10.1016/S1364-0321(99)00007-6 | DeepDyve

The essential features of a fast pyrolysis process are: • very high heating and heat transfer rates that requires a finely ground biomass feed;

Biomass-to-Liquids (BTL) - Green Car Congress

Biomass technology group BTG plans to set up a new high-tech technology company that can convert crude pyrolysis oil into diesel fuel suitable for the shipping sector. It will be the first refinery in the world for an advanced marine biofuel based on pyrolysis oil.

10.1016/j.apcatb.2010.01.033 | DeepDyve

In Fig. 4, the Van Krevelen diagram shows the molar H/C and O/C ratios of the feed oil, the HDO product oils and the oil fraction obtained by mixing water and pyrolysis oil [27] in a water:oil weight ratio of 0.35 (this oil fraction will be referred as Oil Fraction Water Addition, OFWA).

2017-1-4 · Catalytic Hydrotreatment of Pyrolysis Liquids and Fractions Catalyst Development and Process Studies PhD thesis to obtain the degree of PhD at the University of .

US20150307786A1 - Catalyst compositions and use thereof .

A catalyst is described that is useful for catalytic pyrolysis of biomass to produce a pyrolysis product. The catalyst includes (i) matrix material comprising a support and/or binder, and (ii) at least one metal oxide on the matrix material, wherein the metal oxide comprises metal selected from the group consisting of tungsten, chromium, cobalt, molybdenum, nickel, and combinations thereof.

Thermochemical Processing of Biomass: Conversion into .

Thermochemical Processing of Biomass: Conversion into Fuels, Chemicals and Power, 2nd Edition | Robert C. Brown | download | B–OK. Download books for free. Find books

Biomass-to-Liquids (BTL) - Green Car Congress

Biomass technology group BTG plans to set up a new high-tech technology company that can convert crude pyrolysis oil into diesel fuel suitable for the shipping sector. It will be the first refinery in the world for an advanced marine biofuel based on pyrolysis oil.

reactor pyrolysis microwave process catalytic cracking .

Beyond Mechanical Recycling: Giving New Life to Plastic . A catalytic process is applied by the Dutch/Indian company Patpert Teknow Systems with 40 installations varying in process capacity between 110 and 7300 tons/year. 53 The plastic is co‐fed with a silica/alumina based cracking catalysts to the pyrolysis reactor at 350–360 °C. 54 Heavy wax fractions are separated from other products .

An overview of advances in biomass gasification - Energy .

Biomass gasification is an intricate process involving drying the feedstock followed by pyrolysis, partial combustion of intermediates, and finally gasification of the resulting products. It is performed in the presence of a gasifying media which can be air, oxygen (O 2 ), steam (H 2 O) or carbon dioxide (CO 2 ), inside a reactor called a gasifier.

Catalytic hydrotreatment of fast pyrolysis liquids in .

The fast pyrolysis liquids (PLs) were supplied by Biomass Technology Group (BTG, Enschede, the Netherlands) and are derived from pine wood. Relevant properties are given in Table 1. Hydrogen, nitrogen and helium were obtained from Linde and were of analytical grade (>99.99%).

Recent developments in lignocellulosic biomass catalytic .

2019-12-15 · Catalytic fast pyrolysis (CFP) is an attractive approach to convert biomass to high-quality bio-oil through the deoxygenation of pyrolysis vapors in the form of H 2 O, CO, and CO 2.However, the deoxygenation process comes at the expense of bio-oil yield.

An overview of advances in biomass gasification - Energy .

Biomass gasification is an intricate process involving drying the feedstock followed by pyrolysis, partial combustion of intermediates, and finally gasification of the resulting products. It is performed in the presence of a gasifying media which can be air, oxygen (O 2 ), steam (H 2 O) or carbon dioxide (CO 2 ), inside a reactor called a gasifier.

New Page 1 [chamco.net]

2011-2-13 · In pyrolysis, biomass is subjected to high temperatures in the absence of oxygen resulting in the production of pyrolysis oil (or bio-oil), char or syngas which can then be used to generate electricity. The process transforms the biomass into high quality fuel without creating ash or energy directly.

Fast Pyrolysis - an overview | ScienceDirect Topics

Fast Pyrolysis: Fast pyrolysis is a process in which biomass is rapidly heated to high temperatures in the absence of air (specifically oxygen) [74]. It occurs in a high-temperature range of 300–700°C at a faster heating rate of 10–200°C/s, with a short solid resistance time of .

Study of the activity of catalysts for the production of .

2016-8-22 · catalysts exhibit high activities for tar elimination and gas upgrading in biomass gasification and accelerates steam and dry reforming . Ni-based catalysts can be deactivated in a number of ways and they can be summarized as: (a) Mechanical deactivation, which normally occurs because of attrition and loss of surface area throughcrushing.

CAScade deoxygenation process using tailored .

The performance of the catalysts prepared in WP2 was assessed in the different reactions of the cascade scheme: catalytic pyrolysis, bio-oil intermediate deoxygenation and bio-oil hydrodeoxygenation. In addition, non-catalytic biomass pyrolysis tests were also carried out to study the effect of the biomass pre-treatment and bio-oil stabilization.

Processes | Free Full-Text | Thermal Biomass Conversion: A .

In this paper, the most important methods of thermal conversion of biomass, such as: hydrothermal carbonization (180–250 °C), torrefaction (200–300 °C), slow pyrolysis (carbonization) (300–450 °C), fast pyrolysis (500–800 °C), gasification (800–1000 °C), supercritical steam gasification, high temperature steam gasification (>1000 °C) and combustion, were gathered .

PPT – Upgrading of Pyrolysis Oil with Catalytic .

Fast Pyrolysis Oil Volatiles Fast Pyrolysis Lignocellulosic biomass Condensables, Fast Pyrolysis Oil 450-600 oC, 1-2 s Char BTG, Enschede Bridgewater et al, Org. Geochem, 30,1999 5 Fast pyrolysis oil. High oxygen content (up to 50) Immiscible with petroleum products ; Unstable upon heating and storage (coke formation, repolymerization) 6

PPT – Upgrading of Pyrolysis Oil with Catalytic .

Fast Pyrolysis Oil Volatiles Fast Pyrolysis Lignocellulosic biomass Condensables, Fast Pyrolysis Oil 450-600 oC, 1-2 s Char BTG, Enschede Bridgewater et al, Org. Geochem, 30,1999 5 Fast pyrolysis oil. High oxygen content (up to 50) Immiscible with petroleum products ; Unstable upon heating and storage (coke formation, repolymerization) 6

Systems and processes for catalytic pyrolysis of biomass .

2015-10-27 · Adam, J. et al., "In situ catalytic upgrading of biomass derived fast pyrolysis vapours in a fixed bed reactor using mesoporous materials," Microporous and Mesoporous Materials, 2006, 96, 93-101. Aho, A., "Catalytic pyrolysis of biomass in a fluidized bed reactor: influence of the acidity of H-beta zeolite," IChemB, 2007, 85 (B5), 473-480.

The UGent Institutional Repository is the electronic .

2018-3-22 · CATALYTIC FAST PYROLYSIS OF BIOMASS Güray Yildiz a*, Frederik Ronsse a, Wolter Prins Daan Assink b, Leen Gerritsen c, Ruben van Duren, Milena Rosso-Vasič c a Department of Biosystems Engineering, Ghent University, Coupure Links 653, 9000, Ghent, Belgium b BTG Biomass Technology Group BV, Josink Esweg 34, 7545 PN Enschede, The Netherlands c Albemarle Catalysts .

Pyrolysis Oil Stabilisation by Catalytic Hydrotreatment .

Well known catalysts for the hydrotreatment of pyrolysis oil are conventional hydrodesulfurisation catalysts such as sulfided NiMo/Al 2 O 3, CoMo/Al 2 O 3, and NiMo/Al 2 O 3-SiO 2 (Ferrari et al., 2002; Maity et al., 2000) to cope with the harsh reaction conditions (T > 200 C, aqueous environment with organic acids).Carbon-supported CoMo, or Mo supported on TiO 2, ZrO 2 and TiO 2 –ZrO 2 .