FYI - cross-post from the Digestion (biogas) list at REPP, a nice yarn. Best
Keith >Date: Sat, 6 Sep 2003 13:15:55 +0100 >Sender: The Digestion Discussion List <[EMAIL PROTECTED]> >From: Leslie Gornall <[EMAIL PROTECTED]> >Subject: Re: [DIG] Methane Digesters For Fuel Gas and Fertilizer, >With Complete Instructions For Two Working Models >To: [EMAIL PROTECTED] > >Keith, > >Many thanks for this - I read Fry's book in 1974 after reading a >chapter dedicated to him in another wonderful publication 'The Mother >Earth News handbook of homemade power , John Shuttleworth May 1974' >which would be a great addition to your library- Fry's work caused me >to find a large tractor tyre inner tube, a 45 gallon drum and make a >biogas maker which lit a bunsen burner. This unit, operating mainly >on chicken manure became so famous in Northern Ireland that it featured >in a library exhibition, we provided it to the library with its load >of previously degassed 'spent' chicken manure to keep it authentic. >Unfortunately, the warm temperature of the library gave the unit a >second go and it started producing biogas at an absolutely astonishing >rate! The tyre was kept deflated in the daytime, but at night it >swelled to a most unhealthy and highly dangerous size causing the >evacuation of the library and much anxiety the following morning. Plan >B was instituted which involved moving the massively active unit out of >the library - not easy since moving = stirring and this threatened >foaming or overpressurisation due to even more stirring induced biogas >production. Best publicity we ever had came from this - everyone >talked about it - finally Biogas was real - if it was dangerous it must >have a value! Over the years the story has been related to me - it is >wonderful how myths grow in time! Oops I have digressed. The point >is this Fry's book was one of the most life changing books I ever read >- it showed everyone that biogas was practical and useful to the >planet. It will go on to inspire many others through your web site and >I thank you everyone involved in its e-publication. > >Best Regards > >Les. Gornall >On Friday, September 5, 2003, at 08:45 pm, Keith Addison wrote: > >>Greetings >> >>Just to announce a new addition to the Biofuels online library that >>should be of interest: >> >>http://journeytoforever.org/biofuel_library.html#methanefry >>Methane Digesters For Fuel Gas and Fertilizer, With Complete >>Instructions For Two Working Models -- by L. John Fry, Santa Barbara, >>Calif. 93103, © 1973, Eighth Printing (out of print). Excellent >>manual on making and using methane -- biogas. Fry developed his >>techniques while running a pig farm in South Africa, designing the >>first full scale displacement methane plant. Good information on >>integrating biogas production with gardening and farming, and with >>pond-culture food production. Designs for a Sump Digester using >>55-gal oil drums and an Inner Tube Digester. With thanks to Kirk >>McLoren. >>DjVu version: This file requires the DjVu plug-in reader, available >>as a free download (about 1Mb) for Windows, Linux, Solaris and >>Macintosh. View online or download the file for offline viewing. >>http://journeytoforever.org/biofuel_library/MethaneDigesters.djvu >>Download DjVu here: >>http://www.lizardtech.com/download/?f=0&d=1 >>DjVu FAQ here: >>http://www.lizardtech.com/support/faq/general_djvu.php >> >> >>Table of Contents >> >>1 Background >>Methane-Gas Plant: Synergy at Work >> >>2 History >> >>3 Biology of Digestion >>Bio-Succession in the Digester >>pH and the Well-Buffered Digester >>Temperature >> >>4 Raw Materials >>Digestible Properties of Organic Matter >>Amount of Manure Collectable >>Manure Production and the Livestock Unit >>Carbon to Nitrogen Ratio (C/N) >>Calculating C/N Ratios >> >>5 The Gas >>Composition >>Fuel Value >>Amount of Gas From Different Wastes >> >>6 Digesters >>Basic Digester Design >>Raw Materials and Digester Design >>Loading Rate, Detention Time and Digester Size >>Heating Digesters >>Insulating Digesters >> >>7 Using Gas >>Properties of Methane >>Uses of Methane >>Efficiency of Digestion >> >>8 Using Sludge >>Sludge as a Fertilizer >>Sludge Gardening and Farming >>Sludge-Pond Cultures >> >>9 Building a Sump Digester >>Making Starter Brew >> >>10 Building an Inner Tube Digester >>Inner Tube Digester Parts List >>1. Main Chamber of the Digester >>2. The Plastic Insert >>3. Attaching the Cylinder to the Inner Tube >>4. Inlet Fittings and Attachment of the Slurry (Feeding) Bucket >>5. Fitting the Effluent Pipe >>6. Fitting the Gas Outlet >>7. The Scum Collector >>8. Gas Yield Indicator >>9. Pressure Release Bottle >>10. Inner Tube Storage >>11. Burner >>12. Temperature >>13. The Bacterial Brew >>14. Feeding >>15. Removing Scum and Effluent >>16. Safety Precautions >>17. Lighting the Flame >>18. pH >> >>11 Necessity is the Mother of Invention >>Design of the First Full Scale Displacement Methane Plant >>Digester Description >> >>12 References >> >> >> >>Biofuels Library contents >> >>* Mother Earth Alcohol Fuel >>* The Manual for the Home and Farm Production of Alcohol Fuel >>* The Sunflower Seed Huller and Oil Press >>* Fuel From Sawdust >>* The UC Davis biodiesel study >>* Straighter-than-straight vegetable oils as diesel fuels >>* Palm Oil as a Fuel for Agricultural Diesel Engines: Comparative >>Testing against Diesel Oil >>* Kinetics of Palm Oil Transesterification in a Batch Reactor >>* The Butterfield Still -- Farm-scale ethanol fuel production plant >>* The Fats and Oils: a General View >>* Put a chicken in your tank >>* Methane Digesters For Fuel Gas and Fertilizer -- With Complete >>Instructions For Two Working Models >>* Micro Cogeneration: 21st Century Independent Power -- How to Design >>and Construct Your Own Independent Power System >>* Optimization of a Batch Type Ethyl Ester Process >>* Production and Testing of Ethyl and Methyl Esters >>* Transesterification Process to Manufacture Ethyl Ester of Rape Oil >>* Making and Testing a Biodiesel Fuel Made From Ethanol and Waste >>French-Fry Oil >>* Intensive Field Trial of Ethanol/Petrol Blend in Vehicles >>* NIR Helps Turn Vegetable Oil into High-Quality Biofuel >>* Rapid Monitoring of Transesterification and Assessing Biodiesel >>Fuel Quality by Near-infrared Spectroscopy Using a Fiber-Optic Probe >>* Monitoring a Progressing Transesterification Reaction by >>Fiber-Optic Near Infrared Spectroscopy with Correlation to 1H Nuclear >>Magnetic Resonance Spectroscopy >>* Cornmeal Adsorber for Dehydrating Ethanol Vapors >>* Separating Ethanol From Water >>* Apparatus for the Continuous Manufacture of Absolute Alcohol >>* Absolute Alcohol Using Glycerine >>* Wood Alcohol >>* Wood-to-Oil Process >>* Liquefaction >>* Biochemical Sources of Fuels >> >>Best wishes >> >>Keith Addison >>Journey to Forever >>Handmade Projects >>Ichijima, Japan >>http://journeytoforever.org/ ------------------------ Yahoo! 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