An analysis of composting based microbial: growth parameter / Ainul Azwanni Ahmad

Ahmad, Ainul Azwanni (2009) An analysis of composting based microbial: growth parameter / Ainul Azwanni Ahmad. [Student Project] (Unpublished)

Abstract

In the modem world and sophisticated current technology, composting had been a good ways to decompose solid waste. These solid wastes include food wastes, kitchen wastes and garden wastes. Composed materials can be used as a fertilizer to enhance the growth of plant such as vegetable, flower and event fruits. The purpose of this study is to culture the bacteria and determine which factors that contributes to the growth of microbial composting. In this study, three factors were selected which are temperature, concentration of brown sugar and different nutrients for bacteria. The bacteria that had been used were effective microorganisms (EM) and food waste bacteria. EM’s generally are combination of five classes of bacteria meanwhile food waste bacteria is just a newly developed bacteria. Two temperatures were considered in the studies which were 35°C and 45°C and the concentration sugar were lOg, 5g and lg. The parameters that need to be observed were glucose concentration, pH and cell concentration in order to see the growth profile of each bacterium. Different result had been achieved in different condition, where each bacterium gives a different growth profile. Since brown sugar is one of the sources of sucrose, this had affected the result of glucose consumption as the bacteria tend to break the sucrose formation into glucose and fructose. Most of the bacteria can live in pH neutral at the beginning and become acidic after 24 hours. While the cell concentration increase with time showing rapid increase of the growth of each bacterium.

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Item Type: Student Project
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Ahmad, Ainul Azwanni
UNSPECIFIED
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Chemical Engineering
Keywords: Microbial; Growth parameter
Date: 2009
URI: https://ir.uitm.edu.my/id/eprint/18496
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