Biological Treatment Technology for Landfill Leachate

Biological Treatment Technology for Landfill Leachate

Husnul Azan Bin Tajarudin (Universiti Sains Malaysia, Malaysia), Mohd Firdaus Bin Othman (Universiti Sains Malaysia, Malaysia), Noor Aziah Binti Serri (Universiti Sains Malaysia, Malaysia) and Muhammad Redzwan Bin Tamat (Universiti Sains Malaysia, Malaysia)
DOI: 10.4018/978-1-4666-9610-5.ch010
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Abstract

Biological process for environmental preservation and treatment is not a new technology. It was used a decade ago until now. The most important tools in biological processes are the microorganism and upstream instruments (bioreactor, pond and others) to run the process. Furthermore, the efficiency of the process depends on many factors such as temperature, pH, type of microorganism, conditions, and other nutrients. To understand the factors that will affect the process, mechanisms of microorganisms to treat or protect the environment must be considered. For leachate treatment, biological process is one of the most widely used techniques for low cost and environmentally friendly.
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Principle Of Biological Treatment

Biological treatment is a type of treatment that uses biological material as an activator like microorganism and organic material. Leachate treatment using biological process is due to the respect to the environment and cost of process. Several requirements are needed by biological or microorganism in order to grow, such as nutrients, microbiological components, environmental condition, inhibition factors and pretreatment process. We will further discuss the topic about the concept and requirements of biological treatment for landfill leachate, especially by microorganisms. Microorganism is a small and tiny biological creature. It can be grouped as bacteria, fungi, algae and yeast. Classification is based on their characteristics through biochemistry test and DNA sequencing.

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