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Welcome Biopowered is an unbiased, independent knowledge base for home biodiesel production and vegetable oil motoring. This is a non-profit site, run by enthusiasts for enthusiasts. Although based in the UK, members and contributors are welcome from around the world. If you wish to join as a member or contribute, please click this link to register.

Biodiesel pages Pages related to production and use of biodiesel. Introduction to Biodiesel Acronyms Biodiesel Biofuels an overview Environment Agency and waste transfer notes HMRC and 2500 litre duty free allowance Record keeping Ingredients and preparation Hot pan test Titrating with turmeric Titration Waste vegetable oil Processing methods Arse about face Biodiesel process guide Glycerol wash Processing with anhydrous sodium methylate Recovering a jelly batch Two stage methanol starvation process Two stage process Two stage process with no titration Water prewash Whole batch demeth Processors and equipment 3D Printed parts and spares Casting a venturi Centrifuges Cone bottoms for tanks Diffuser Draining a plastic barrel Editable state diagram for GL processor Fitting a heater flange Hot water cylinders Importance of venting a processor J Cloth bag filters Manuals and instructions Melting stick Methoxide mixer Multi-tasking processor Plumbers delight condenser Plumbing fittings Processor - Appleseed Processor - basic design Processor - with methanol condenser (GL design) Processor - with pre-heat / drying tank Processor build step by step Processor buyers guide Pump - buyers guide Pump - Leo XKM60 Pump - Mono MS Pump - Tam 105 Pump - TAM 120 Silver soldering Simple fat melting and de-watering tank Soldering Still head heat exchanger Tips and wrinkles 1 Tips and wrinkles 2 Top skimming fueling tank Venturi Finishing Dry washing Drying wet biodiesel Water washing Water washing titrated acid method Safety and Testing 3/27 test Calculating misfuel ratio Making a test batch of biodiesel or the Dr Pepper method. MSDS - 2-propanol (isopropyl alcohol) MSDS - Biodiesel MSDS - Glycerol MSDS - Methanol MSDS - Phenolphthalein MSDS - Potassium hydroxide MSDS - Sodium hydroxide MSDS - Sulfuric acid Soap tests Viscosity cup Water in fuel - test kit Winter fuel additive testing

Vegetable oil pages Pages related to running engines on vegetable oil. Introduction to veg oil use Acronyms Biofuels an overview Record keeping Vegetable oil as fuel Waste vegetable oil Collection & regulations Environment Agency and waste transfer notes HMRC and 2500 litre duty free allowance Collection & regulations Environment Agency and waste transfer notes HMRC and 2500 litre duty free allowance Filtration & drying equipment 3D Printed parts and spares Centrifuges Diffuser Draining a plastic barrel Filtering waste vegetable oil Fitting a heater flange Gravity filtering of WVO J Cloth bag filters Melting stick Multi-tasking processor Oil pourer Plumbing fittings Processor / tank float switch Pump - buyers guide Pump - Leo XKM60 Pump - Mono MS Pump - Tam 105 Pump - TAM 120 Silver soldering Soldering Waste oil filtering system Testing Calculating misfuel ratio Hot pan test Viscosity cup Water in fuel - test kit Vehicle modifications