A couple of sampling using gear driven seed crusher(s) and oilseed yields . . . from; International Development Research Centre http://www.idrc.ca/ > more excerpts; "The small scale oilseeds processing technology . . . Oilseed cake is an important product which is used as cattle feed and to some extent as poultry and fish feed."
Table-10 Oil yields, Extraction charges and Sales Prices of oils and Cakes S.No. Major Seeds Crushed Oil Yield (%) ÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷ 1 Rapeseed & Mustard 27,75 - 42,5 2 Sesame 30 - 50 3 Cotton Seed 10 - 15 4 Sunflower 32,5 - 40 5 Linseed 25 - 37,5 6 Copra 50 - 62,5 7 Castor 30 - 50 8 Taramira 20 - 25 ÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷ Table-10 also indicates the range of oil extraction rates charged from the customers. It is observed that no uniform criteria has been adopted for this purpose as the rates differ from mill to mill. "SOCIO-ECONOMIC IMPACT OF SMALL SCALE EXPELLING SYSTEMS IN PAKISTAN - JUNE 27, 1991" "PROCESSING OF OILSEEDS" http://www.idrc.ca/library/document/091017/chap2_e.html Table of Contents http://www.idrc.ca/library/document/091017/ ÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷ "Small-scale Rural Oilseed Processing in Africa" 1993 http://www.idrc.ca/nayudamma/oilseed_12e.html "Cost and availability" "The cost of the ram press varies depending on model size and country. The two most common, mid-sized models range in price from US $105 to US $280. They can process an average of 8-12 kg of sunflower seed or 4-7 kg of sesame seed per hour. ATI estimates that the average oil yield per 50 kg bag of seed is 8-12 litres from sunflower or 16-19 litres from sesame." NOTE: one kg = 2,2 Lbs and 3,8 litres = one US gallon 50 kg x 2.2 Lbs = 110 Lbs 8-12 litres (2,1-3,2 gallons) and 16-19 litres (4,2-5 gallons) e.g. 2,1 gallons/sunflower oil x 7 Lbs/gallon = 14.7 Lbs divide by 110 Lbs = about 13.3% sunflower oil e.g. 4,2 gallons/sesame oil x 7 Lbs/gallon = 29.4 Lbs divide by 110 Lbs = about 26.7% sesame oil Please check my arithmetic! ÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷ For comparison purposes from prior post > Excerpts from; TECHNICAL PAPER #40 Title: Understanding Pressure Extraction of Vegetable Oils ISBN: 0-86619-252-2 [C]1985, Volunteers in Technical Assistance Subtitle: "VEGETABLE SOURCES OF OIL AND FAT" The table below lists the seeds most commonly used commercially to obtain oil by means of mechanical pressing.(*) Oil Content Seed (%) Use ÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷ Almond 50 Food, salad oil, soap Castor 50 Medicine, lubricant Cotton seed 30 Food, paint, resin Hemp seed 35 Paint, varnish, soap Linseed 40 Paint, soap, varnish, linoleum Olive 40 Salad oil, cooking oil Peanuts (groundnuts) 50 Salad oil, cooking oil Perilla seed 50 Drying oil for paint, resin Poppy seed 50 Salad oil, cooking oil Rape seed (colza) 40 Salad oil, cooking oil Sesame seed 50 Salad oil, cooking oil Sunflower seed 35 Salad oil, cooking oil, soap Tung nuts 20 Paint ÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷ (*) Soybeans are not included in the list because their oil content of only 20 percent makes it impractical to extract oil from them by mechanical pressing. Soybean oil is recovered by solvent extraction. "Commercial Nuts and Seeds Used for Fat" Vegetable fats are semisolid at room temperature, whereas oils are liquid. Fats have a higher melting point than oils, and thus are heated before pressing. The table below lists common sources of vegetable fats. Fat Content Seeds (%) Uses ÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷ Cocoa (cocoa) butter 40 Chocolate, food Coconut oil from copra 50 Food, chemicals, soap Hahua (illipe) butter 60 Food, candles, soap Japan wax 30 Lubricant, leather dressing Palm nut oil 50 Food, chemicals, soap Shea butter 55 Food, candles, soap ÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷÷ "The Understanding Technology Series" http://www.vita.org/publications/undrtech/default.htm ------------------------ Yahoo! Groups Sponsor ---------------------~--> Get your FREE credit report with a FREE CreditCheck Monitoring Service trial http://us.click.yahoo.com/ACHqaB/bQ8CAA/ySSFAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Please do NOT send "unsubscribe" messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
