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 GHGenius 2.5 TagsBiodiesel
Crude Oil
Exhaust Emissions
GHGenius 2.5
Marine Oil
Used Oil
 Marine Based Biodiesel
 Prepared November 2004
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GHGenius has had pathways for the production of biodiesel from canola, soybeans, animal tallow and yellow grease. This work adds the generic production of biodiesel from marine oils to GHGenius and compares those results to a specific Canadian operation, Ocean Nutrition, producing marine oil biodiesel.
Ocean Nutrition produces an ethyl ester from marine oils in Nova Scotia. The process is commercially unique from several perspectives including, the use of ethanol rather than the more common methanol as the alcohol, the use of marine oils as the feedstock, and the co-processing that is carried out to produce Omega 3 oils for nutritional purposes as well as producing biodiesel.
The goal of this work is to:
· Add the commercial harvesting of fish and its reduction to proteins and oils to GHGenius.
· Add a biodiesel pathway that utilizes marine oils as the feedstock to complement the existing animal fats and vegetable oil pathways.
· Modify and expand GHGenius to allow the use of ethanol rather than methanol in the biodiesel production system. Review the literature to determine how others have addressed this issue since the carbon in the ethanol is renewable whereas in the methanol it is not. It may be that the impact is on the glycerine production and how that is ultimately used.
· Address the allocation issues raised by the co-production of biodiesel and the high value Omega-3 oils produced in the Ocean Nutrition process.

Tags: Biodiesel - Ethanol - GHGenius 2.5 - Marine Oil - Methanol
 Update of GHGenius
 Prepared for Natural Resources Canada in March 2004
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As part of this work, there have been several changes to the model. The version of the model that accompanies this report is GHGenius 2.5. A number of revisions and updates to the model were undertaken. The revisions generally have either improved the quality of Canadian data in the model or added functionality that makes the model more powerful for the user. In addition, two new cycles, based on processes developed by NRCan have been added to the model. These new cycles are the subject of a separate report. The objectives of the model updates were to:
  • Allow selection of ethanol cellulosic feedstock from the input sheet. Ethanol from lignocellulosic feedstocks could be produced from a variety of feedstocks including wheat straw, corn stover, switchgrass, and hay.
  • Improve the quality and functionality of the emissions from crude oil production and refining in Canada. The model has been modified to use four different crude oil types, conventional, heavy, bitumen and synthetic.
  • Harmonize the methodology for the production of hydrogen from electrolysis with other methods.
  • Review and update the Canadian electricity mix.
  • Update the emissions of criteria air contaminants from heavy-duty diesel engines on Sheet H in light of the new emission standards being phased in this decade.
  • The latest LEM model by Dr. Mark Delucchi made many changes to sheet L that calculates emissions associated with materials. The documentation that describes the changes to determine the best data to use for GHGenius with particular attention to the data for Canada has been reviewed and the appropriate changes have been made to GHGenius.

Tags: Crude Oil - Electricity - Ethanol - Exhaust Emissions - GHGenius 2.5 - Lignocellulosic - Refining
 NRCan SuperCetane and Used Oil Cycles
 Prepared for Natural Resources Canada in March 2004
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The goal of this work was to add two new pathways to GHGenius:
  • Canola Oil or tallow to “SuperCetane”, and
  • Used motor oil to diesel fuel, the ROBYS™ process.

Both of these processes have been developed by Natural Resources Canada and are in the process of being commercialized.
The new pathways have been fully integrated into GHGenius and all of the existing functionality of the model has been retained.
The CANMET Energy Technology Centre (CETC), Natural Resources Canada, has developed a novel, patented technology that can convert vegetable oils, waste greases, animal tallow and other feedstocks containing triglycerides and fatty acids into a high cetane, low sulphur diesel fuel blending stock called SuperCetane. This process can transform fats by hydrotreating them to produce paraffins.
The "ROBYS™ Process" purifies and stabilizes reclaimed and refined gas oils. ROBYS™ is designed as an add-on unit to used oil recycling and petroleum refining operations. The process was developed by the CANMET Energy Technology Centre (CETC) and is licensed to Par Excellence Developments (PED) of Sudbury, Ontario for worldwide application. In the course of being recycled, used oils undergo a thermal cracking process to produce gas oil. ROBYS™ then effectively stabilizes and purifies the gas oil.
Used oil has been added to GHGenius as a feedstock. The collection parameters for used oil can be set by the user on the Input Sheet in terms of the modes of transportation employed and the distances involved.

Tags: Canola - GHGenius 2.5 - SuperCetane - Tallow - Used Oil
(S&T)2 Consultants Inc. 2004 Important Notices