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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. Biodiesel equipment Processes 3/27 test 3D Printed parts and spares Acronyms Anhydrous sodium methylate Arse about face Biodiesel Biodiesel process guide Biofuels an overview Calculating misfuel ratio Casting a venturi Catalyst Centrifuges Cone bottoms for tanks Diffuser Draining a plastic barrel Dry washing Drying wet biodiesel Editable state diagram for GL processor Effect of biodiesel on fuel injection systems Environment Agency and waste transfer notes Fitting a heater flange Free fatty acid Glycerine logs Glycerol Glycerol wash Heated fuel filter HMRC and 2500 litre duty free allowance Hot pan test Hot water cylinders Importance of venting a processor Isopropyl alcohol J Cloth bag filters Making a test batch of biodiesel or the Dr Pepper method. Making bar soap from glycerol Manuals and instructions Melting stick Members vehicles running biodiesel or vegetable oil Methanol Methoxide Methoxide mixer MSDS - 2-propanol (isopropyl alcohol) MSDS - Biodiesel MSDS - Glycerol MSDS - Methanol MSDS - Phenolphthalein MSDS - Potassium hydroxide MSDS - Sodium hydroxide MSDS - Sulfuric acid Multi-tasking processor PID controller Plumbers delight condenser Plumbing fittings Processing with anhydrous sodium methylate Processor - Appleseed Processor - basic design Processor - with methanol condenser (GL design) Processor - with pre-heat / drying tank Processor / tank float switch Processor build step by step Processor buyers guide Processor pressure switch Pump - buyers guide Pump - Leo XKM60 Pump - Mono MS Pump - Tam 105 Pump - TAM 120 Record keeping Recovering a jelly batch Silver soldering Simple fat melting and de-watering tank Soap tests Soldering SSR - solid state relay Still head heat exchanger Thermocouples Tips and wrinkles 1 Tips and wrinkles 2 Titrating with turmeric Titration Top skimming fueling tank Two stage methanol starvation process Two stage process Two stage process with no titration Venturi Viscosity cup Volkswagen biodiesel policy Waste vegetable oil Water in fuel - test kit Water prewash Water washing Water washing titrated acid method Whole batch demeth Winter fuel additive testing Winter waxing Biodiesel equipment Equipment Processor buyers guide GL Processor Two drum processer plans and method Twyn-Tub Processor Casting a venturi Methoxide mixer Process Titration | Titrating with Turmeric Making Methoxide Making a test batch of biodiesel Whole Batch Demeth Water prewash Drying wet biodiesel Dry washing Soap tests Biodiesel Process Guide - a quick reminder of the steps involved General information Acronyms - commonly used biodiesel acronyms High Melt Point Esters Making bar soap from Glycerol Soldering

Vegetable oil pages Pages related to running engines on vegetable oil. 3D Printed parts and spares Acronyms Biofuels an overview Blending vegetable oil with solvents Calculating misfuel ratio Centrifuges Diffuser Draining a plastic barrel Environment Agency and waste transfer notes Filter modification for Peugeot and Citroen Filtering waste vegetable oil Fitting a heater flange Gravity filtering of WVO Heat exchangers and solenoid valves HMRC and 2500 litre duty free allowance Hot pan test J Cloth bag filters Melting stick Members vehicles running biodiesel or vegetable oil 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 Record keeping Silver soldering Soldering Vegetable oil as fuel Viscosity cup Waste oil filtering system Waste vegetable oil Water in fuel - test kit Collection Rules and Regulations - a summary of EA and HMRC rules regarding oil collection and fuel duty, including how to fill in a Waste Transfer Note. Filtration Filtering waste vegetable oil Waste oil filtering system Dispensing Oil pourer - fast, non-glugging Vehicle modifications Filter modification for Peugeot and Citroen Heat exchangers and solenoid valves for twin tanking