How much thick layer of insulation is done inside of digester?(a) 10 cm(b) 15 – 25 mm(c) 8 mm(d) 50 – 100 cmThe question was asked in final exam.My enquiry is from Anaerobic Fermentation in division Biomass Energy of Energy Engineering

How much thick layer of insulation is done inside of digester?(a) 10 c

1.	How much thick layer of insulation is done inside of digester?(a) 10 cm(b) 15 – 25 mm(c) 8 mm(d) 50 – 100 cmThe question was asked in final exam.My enquiry is from Anaerobic Fermentation in division Biomass Energy of Energy Engineering
Answer» The correct option is (d) 50 – 100 cm Easiest explanation: In hot regions it is relatively EASY to simply SHADE the digester to keep it in the IDEAL range of temperature, but COLD climates present more of a challenge. The first action is, naturally, to insulate the digester with straw or wood shavings. A layer about 50 – 100 cm thick, coated with a waterproof covering is a GOOD start.

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How much thick layer of insulation is done inside of digester?(a) 10 cm(b) 15 – 25 mm(c) 8 mm(d) 50 – 100 cmThe question was asked in final exam.My enquiry is from Anaerobic Fermentation in division Biomass Energy of Energy Engineering

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