Fuel, heat and power from mustard and canola seeds

Fuel, heat and power from mustard and canola seeds

Victorian mixed farmer Steven Hobbs has reduced his on-farm consumption of mineral diesel by 80% by using biodiesel produced from his mustard and canola crops.

Break crops offer multiple products

Steven grows a variety of cereal, legume and oilseed crops, and runs Merino sheep and prime lambs.

5%–7% of his cropping area is dedicated to producing fuel.

The mustard and canola are break crops for his farming system and would not otherwise be used for food.

Steven’s small biodiesel plant can also produce biogas, which he uses for heating and for running a generator to produce electricity.

The crops also produce high-quality stock food and reduce the financial risk of his cropping enterprise.

How the process works

Steven uses continuous-screw oilseed expellers to cold press the oil from the seeds, which results in two products:

  • vegetable oil
  • oilseed meal, or ‘press cake’.

To use crude vegetable oil in place of diesel, Stephen installed a dual fuel system which preheats the vegetable oil to an optimum temperature prior to combustion.

Press cake is a high protein alternative to legumes for stock feed.

Press cake can also be turned into liquid fertiliser.

In the anaerobic digestion process that converts the press cake to fertiliser, biogas is also produced, which Steven uses for heating or for running a generator to produce electricity.

Copyright: Victorian Department of Primary Industries

Cost of farm-grown biodiesel

One litre of biodiesel, depending on the crop type and yield, costs Steven between 24 cents/litre and $1.56/litre to produce.
Steven Hobbs - cost of biofuel per litre

The cost of biofuel per litre as calculated by Steven Hobbs, Victorian farmer.

Find out more

Read the full case study published by Vic DPI.

Decentralised energy production [PDF 1.2 KB] is Steven’s Nuffield scholarship study about bioenergy in farming.

Biodiesel, farming for the future is a paper that Steven presented at the 2003 Australian Agronomy Conference [Word 176 kb].

Visit BE Bio-Energy, Yarrock Oils, Steven’s website.

Crushing plant. Copyright: Steven Hobbs

Contacts

Steven Hobbs

713 Yarrock Road, Kaniva, VIC 3419

Mobile: 0419 003 752

BE Bio-Energy, Yarrock Oils

Email yarrockenergy@gmail.com

Facebook www.facebook.com/YarrockFarm