David Díez

ORCID: 0000-0003-0308-9082
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About
Contact & Profiles
Research Areas
  • Thermochemical Biomass Conversion Processes
  • Catalysts for Methane Reforming
  • Catalysis and Hydrodesulfurization Studies
  • Biodiesel Production and Applications
  • Thermal and Kinetic Analysis
  • Hydrogen Storage and Materials
  • Advanced Combustion Engine Technologies
  • Hybrid Renewable Energy Systems
  • Global Energy and Sustainability Research
  • Biofuel production and bioconversion
  • Lubricants and Their Additives
  • Anaerobic Digestion and Biogas Production
  • Zeolite Catalysis and Synthesis
  • Vehicle emissions and performance
  • Layered Double Hydroxides Synthesis and Applications
  • Flame retardant materials and properties
  • Carbon Dioxide Capture Technologies
  • Lignin and Wood Chemistry

Centro Tecnológico del Mar
2019-2021

Universidad de Valladolid
2019-2020

Fundación Prodintec
2014

The standard method for determining the biomass composition, in terms of main lignocellulosic fraction (hemicellulose, cellulose and lignin) contents, is by chemical method; however, it a slow expensive methodology, which requires complex techniques use multiple reagents. objective this article to provide new efficient, low-cost fast determination contents different types biomasses from agricultural by-products softwoods hardwoods. based on applying deconvolution derivative thermogravimetric...

10.3390/pr8091048 article EN Processes 2020-08-27

This review focuses on the integration of thermochemical and biochemical processes as a transformative approach to biomass conversion. By combining technologies such anaerobic digestion, hydrothermal liquefaction, pyrolysis, syngas fermentation, this highlights how hybrid systems maximize resource recovery improve energy efficiency. Key examples include use digestate from digestion feedstock for pyrolysis or carbonization, enhancing biochar hydrochar production while improving nutrient...

10.20944/preprints202503.1614.v1 preprint EN 2025-03-21

This review focuses on the integration of thermochemical and biochemical processes as a transformative approach to biomass conversion. By combining technologies such anaerobic digestion, hydrothermal liquefaction, pyrolysis, syngas fermentation, this highlights how hybrid systems maximize resource recovery improve energy efficiency. Key examples include use digestate from digestion feedstock for pyrolysis or carbonization, enhancing biochar hydrochar production while improving nutrient...

10.3390/su17083615 article EN Sustainability 2025-04-16

10.1016/j.jaap.2014.01.010 article EN Journal of Analytical and Applied Pyrolysis 2014-01-21

The aim of the study was to assess influence addition an oxygenated additive (a mixture mono-, di- and triacetylglycerol obtained from residual glycerin within biodiesel production scheme) on specific fuel consumption exhaust emissions a EURO 3 diesel bus during its daily route through city. To do this, urban fuelled with five blends (D), (B), (A) heptanol as co-surfactant (H). A portable measurement system used measure gases while engine particle dilution system, both installed bus, for...

10.3390/pr9060987 article EN Processes 2021-06-03

This work focused on the synthesis of a catalyst based layered double hydroxides with molar cation concentration Ni/Cu/Fe/Mg/Al 30/5/5/40/20 and its performance in steam reforming toluene as model compound biomass tar. Its at different temperatures (500, 600, 700, 800, 900 °C) steam/carbon ratios (S/C ratios) (1, 2, 4, 6, 8) was studied. The contact time used 0.32 g h mol−1. obtained allowed us to reach 98–99.87% gas conversion low carbon deposition surface (1.4 wt %) 800 °C S/C = 4. In...

10.3390/pr9010076 article EN Processes 2020-12-31
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