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(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
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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(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.
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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