(a) An oil palm estate owner intends to use a fixed dome digester biogas plant to support the lighting of 6 lamps and cooking 100 meals per day. Each lamp will be used for 6 hours per day. The amount of gas required for lighting and cooking is as shown below: Application Cooking per meal Gas lamp lighting (1 hour) Volume biogas required (m³) 0.2 0.1 The owner has received a proposal to build the digester with the specifications below: Gas yield (Gy) of the digester is 0.02 m³/kg/day. Retention time required (RTR) is 80 days. An average daily waste addition of 900 kg or 0.9 m³. Radius of the hemispherical dome is 5 m Your company has assigned you to evaluate the proposed design and to advise the palm oil estate owner accordingly.
(a) An oil palm estate owner intends to use a fixed dome digester biogas plant to support the lighting of 6 lamps and cooking 100 meals per day. Each lamp will be used for 6 hours per day. The amount of gas required for lighting and cooking is as shown below: Application Cooking per meal Gas lamp lighting (1 hour) Volume biogas required (m³) 0.2 0.1 The owner has received a proposal to build the digester with the specifications below: Gas yield (Gy) of the digester is 0.02 m³/kg/day. Retention time required (RTR) is 80 days. An average daily waste addition of 900 kg or 0.9 m³. Radius of the hemispherical dome is 5 m Your company has assigned you to evaluate the proposed design and to advise the palm oil estate owner accordingly.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:(a)
An oil palm estate owner intends to use a fixed dome digester biogas plant to support the
lighting of 6 lamps and cooking 100 meals per day. Each lamp will be used for 6 hours per
day. The amount of gas required for lighting and cooking is as shown below:
Volume biogas required (m³)
Application
Cooking per meal
0.2
Gas lamp lighting (1 hour)
0.1
The owner has received a proposal to build the digester with the specifications below:
Gas yield (Gy) of the digester is 0.02 m³/kg/day.
Retention time required (RTR) is 80 days.
An average daily waste addition of 900 kg or 0.9 m³.
Radius of the hemispherical dome is 5 m
Your company has assigned you to evaluate the proposed design and to advise the palm oil
estate owner accordingly.
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