Waste into Pyrolysis oil | Bio-fuels

Pyrolysis Oil

2nd generation pyrolysis technology is unique in simultaneous production of several qualities of bio-crude oil. Normally we distinguish these oils between two qualities: Dry Oil (3w% water content) and Wet oil (20w% water content). The Dry oil has an HHV of 24 MJ/kg and the Wet oil has an HHV OF 17 MJ/kg. The Wet oil is liquid at room temperature, whereas the Dry oil is solid in room temperature. Wood waste and agriculture residue are feedstock’s that meet the requirements for thermochemical conversion into bio-crude oil. Biomass itself is carbon-neutral and its use produces much less SO_X and NO_X due to the much lower content of nitrogen and sulphur in the biomass than in coal or petroleum based oils. Biomass can be converted to liquid fuels via pyrolysis. Pyrolysis can be operated at atmospheric pressure. Hence, the conversion of biomass into a liquid fuel via pyrolysis has attracted great interest.

Bio-crude oil is the primary product of interest, which is an organic mixture of alcohols, ketones, aldehydes, phenols, ethers, esters, sugars, furans, alkenes, nitrogen and oxygen compounds.

The comparison of pyrolysis oil produced from the PyroFlash processs of wood and agriculture waste streams from heavy crude oil.

Properties	Bio-oil	Heavy fuel oil
Moisture content (wt.%)	15.0–30.0	0.1
Ph.	2.5	Neutral
Specific gravity	1.20	0.94
C (wt.%)	54–58	85
H (wt.%)	5.5–7.0	11.0
O (wt.%)	35–40	1
N (wt.%)	0.0–0.2	0.3
S (wt.%)	trace	0.5–3.0
N (wt.%)	trace	0.3
Ash (wt.%)	0.0-0.2	0.1
Higher heating value (MJ/kg)	17–24	40
Viscosity, at 500°C (cP)	40–100	180
Solids (wt.%)	0.2–1.0	1.0
Distillation residue (wt.%)	up to 50	1
Pour point (°C)	–33	–18
NOx emission (g/MJ)	<0.7	N/A
SOx emission (g/MJ)	0	N/A

Applications of Bio-crude oil (Pyrolysis oil)

Bio-crude oil derived from woody biomass and agriculture residue is both a precursor for fuel as well as bio-chemicals.

The bio-crude oil can be used:

As a low sulphur fuel in burners and modified internal combustion engines (stainless steel application on the fuel feeding system of an engine)
Into CHP applications for the production of heat and power.
As an excellent replacement of conventional fossil fuels for industrial heating purposes and space heating.
For bitumen production.
For bio-chemicals production from its lignin derivative fraction.
For bio-chemicals production from its cellulose/hemicellulose derivative fraction.
As a basis for marine propulsion fuels and aviation fuel.

Mobile Pyrolysis Plant

Pyrolysis-oil Fired Steam Boiler

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