Pyrolysis of wood sawdust: Effects of process parameters on products yield and characterization of products
Anil Kumar Varma1, Lokendra Singh Thakur2, Ravi Shankar3
1Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee 247667, Uttarakhand, India; Department of Chemical Engineering, Harcourt Butler Technical University, Kanpur 208002, Uttar Pradesh, India.
Abstract:
The aim of present research was to study the pyrolysis of wood sawdust in a semi batch reactor and explored the influence of pyrolysis process parameters on the products yield. Pyrolysis process parameters such as temperature, heating rate, nitrogen (N2) flow rate and particle size of wood sawdust were varied as 350-650 °C, 10 and 50 °C/min, 50-200 cm3/min and <0.25 to >1.7 mm, respectively. The maximum bio-oil yield was found as 44.16 wt% at temperature of 500 °C, heating rate of 50 °C/min and nitrogen flow rate of 100 cm3/min for particle size range of 0.6 < dp < 1 mm. The composition and characteristics of bio-oil and bio-char were determined. Different methods such as ultimate analysis, Fourier transformed infrared spectroscopy (FTIR), Gas chromatography-mass spectroscopy (GC-MS), and Nuclear magnetic resonance spectroscopy (1H NMR) were used to characterize bio-oil. Boiling point range of bio-oil was found in between 63 and 360 °C. Bio-char and original biomass were analyzed by physicochemical, thermogravimetric as well as analytical methods using sophisticated instruments such as Field emission scanning electron microscope (FESEM), and X-ray diffractometer (XRD).
More Related Videos
Related Concept Videos
Wood Products
Glue-laminated wood, often referred to as glulam, combines multiple smaller pieces of dimensional lumber using adhesives to form a single, larger piece. Cross-laminated timber consists...
Wood Panel Products
Scalar Product (Dot Product)
The scalar product of two vectors is obtained by multiplying...
Vector Product (Cross Product)
Consider the cross product of two vectors. Imagine rotating the first vector about...
Reaction Yield
ATP Yield
The ETC is embedded in the inner mitochondrial membrane and is comprised of four main protein complexes and an ATP synthase. NADH and FADH2 pass electrons to these complexes, which pump protons into the intermembrane space. This distribution of...


