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EFFECT OF PALM OIL EFFLUENT ON THE MICROBIAL, PHYSICAL AND CHEMICAL PROPERTIES OF THE SOIL
Categories
Table of contents
Content Pages
Title page i
Certification ii
Dedication iii
Acknowledgement iv
Table of content v
List of Tables vii
List of Figures viii
Abstract ix
CHAPTER ONE 1
Introduction 1
1.1 Background of study 1
1.2 Problem statement of research 4
1.3 Aims and Objectives of research 6
CHAPTER TWO
2.1 . Literature review 7
2.2. Effect of POME on the soil microorganisms 8
2.3. Characteristics of palm oil mill effluent 10
2.4. Palm oil milling activities 11
2.5 Sustainable management of POME waste 12
CHAPTER THREE
3.1 Sample sites 14
3.2 Sample collection 14
3.3 Laboratory analysis 14
3.4 Media preparation and sterilization 15
3.5 Physico chemical analysis 15
3.6. Bacteriological 19
3.7.Biochemical tests 19
3.7.1. Gram staining 19
3.7.2. Catalase test 20 3.7.3. Coagulase test 20
3.7.4. Oxidase test 20
3.7.5. Sugar fermentation test 20
3.7.6. Methyl-red test 21
3.7.7. Indole test 21
CHAPTER FOUR
Results 22
CHAPTER FIVE
Discussion 34
Conclusion 37
References 39
LIST OF TABLES
Table Page
1 Cation exchange capacity (CEC) and other elements result of POM
Effluent receiving sites. 26
2 Cation exchange capacity (CEC) and other elements result of non POM
Effluent receiving sites. 28
3 Biochemical Test of Microbiological Isolate of POM 32
LIST OF FIGURES
Figure Page
1. Physical and chemical properties of the Palm Oil Mill Effluent
receiving sample. 22
2 Physical and chemical properties of the non- Palm Oil Mill Effluent
receiving sample. 24
3 Total aerobic bacterial count at 37ºC. 30
Abstract
The microbiological, physical and chemical characteristics of soil receiving palm oil effluent in Aba Baale, Odoye and Maamu in Ijebu-North Local Government, Ogun state, Nigeria were investigated. The study evaluated the ameliorating effects of palm oil mill effluent (POME) on soil properties. Soil samples from the palm oil mill effluent (POME) dumpsite as well as a non-POME site were tested for physical and chemical properties such as pH, available phosphorus, organic carbon, total nitrogen, and Cation Exchange Capacity using standard procedures. Results of the physical and chemical analysis showed that the pH recorded for palm oil effluent soil and non palm oil effluent soil was (6.1-7.8) and (6.4-7.3) for the effluent. The pour plate technique was used for the isolation of the organisms to evaluate the microbes from an effluent dumpsite and non-effluent dumpsite. Due to the increase in pH to a range of maximum nutrient availability (7.8) as well as the addition of organic matter from the effluent, it is non-toxic and non destructive effect on soil, POME can be used as supplements (organic manure) to improve soil fertility. The implications of these results on soil environment are discussed in the study.
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