EVALUATION OF BIOETHANOL PRODUCTION POTENTIAL OF THREE ORGANIC SUBSTRATES CASSAVA, MAIZE AND SUGARCANE LIQUOR



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EVALUATION OF BIOETHANOL PRODUCTION POTENTIAL OF THREE ORGANIC SUBSTRATES CASSAVA, MAIZE AND SUGARCANE LIQUOR



ABSTRACT

 

Energy is an important component in all the sectors of any society and serves as a key indicator of a country’s socio-economic growth, poverty eradication and security. This study was aimed at evaluating the biofuel production potential of three organic substrates (Cassava, Maize and Sugarcane Liquor). A total of 10kg weight each of the three samples was obtained from a local distributor at Marian Market Calabar, Cross River State. The organic substrates were then subjected to a four stage fermentation processes that lasted for a period of ten (10) days with subsequent production of bioethanol using distillation method. The results show bacterial isolates before fermentation include Staphylococcus, Streptococcus, Bacillus, Candida and Rhizopus Sp. While isolates after fermentation include Klebsiella, Serratia, Mucor, Aspergillus and Saccharomyces Spp. the result revealed that sugarcane had the highest production potential of bioethanol (15mls), compared to cassava produced with bioethanol production of 12mls. However, the combination of maize, cassava and sugarcane produced (10mls) of bioethanol while the lowest yield was obtained from maize which was 4mls. The results obtained also revealed that the bioethanol yield from maize was very weak compared to the yield from sugarcane that was very strong.  A total of 63mls of bioethanol was produced from the substrates and their combination. This study revealed that the three substrates can be used to produce bioethanol. This thus suggests that, the studied substrates with high yield of bioethanol especially sugarcane can be harnessed for commercial production, hence the need for further research.

 

TABLE OF CONTENT

 

Title Page                                                                                                        i

 

Certification                                                                                                    ii

 

Dedication                                                                                                      iii

 

Acknowledgement                                                                                          iv

 

Abstract                                                                                                          v

 

Table of Content                                                                                             vi

 

List of Tables                                                                                                  xi

 

List of Plates                                                                                                   xii

 

List of Figures                                                                                                 xiii

 

CHAPTER ONE: INTRODUCTION                                                        1

 

Background of the Study                                                                   1

Statement of the Research Problem                                                                           

Aims and Objectives of the Study                                                   

Justification of the Study                                                                             

CHAPTER TWO: LITERATURE REVIEW

 

2.1       Biofuel                                                                                              

 

2.2       History of Biofuel

 

2.3       Generations of Biofuel                                                                                 

 

2.3.1    First Generation Biofuel                                                                               

 

2.3.2    Second Generation Biofuel                                                  

 

2.3.3    Third Generation Biofuel                                                                   

 

2.3.4    Fourth Generation Biofuel                                                                            

 

2.4       Types of Biofuel                                                                                            

 

2.4.1    Biogas                                                                                                           

 

2.4.2    Syngas                                                                                                            

 

2.4.3    Ethanol                                                                                                          

 

2.4.4    Methanol                                                                                                       

 

2.4.5    Biodiesel                                                                                                       

 

2.4.6    Green Diesel                                                                                     

 

2.5       Common Feedstock for Biofuel Production                                                

 

2.5.1    Sugarcane                                                                                                       

 

2.5.2    Cassava                                                                                                         

 

2.5.3    Soybeans                                                                                                        

 

2.5.4    Sweet Sorghum                                                                                 

 

2.5.5    Palm Oil                                                                                                         

 

2.5.6    Jatrophacurcas                                                                                               

 

2.6       Manufacturing process of biofuels

 

2.6.1    Pretreatment                                                                                       

 

2.6.2    Hydrolysis                                                                                                     

 

2.6.3    Fermentation                                                                                     

 

2.6.4    Distillation                                                                                                    

 

2.7       Importance of biofuels                                                                                  

 

2.7.1    Limitation of Biofuel Production and Utilization                                        

 

CHAPTER THREE: MATERIALS AND METHODS

 

3.1       Study Area and Sampling Site

 

3.2       Materials

 

3.3       Media

 

3.4       Methods

 

3.4.1    Proximate analysis of substrates

 

3.4.2    Preparation of substrates for biofuel production

 

3.5       Microbial screening of collected samples

 

3.6       Determination of total viable counts (TVC)

 

3.7       Gram Staining and Microscopy

 

3.7.1    Biochemical Tests

 

3.7.2    Motility Test

 

3.7.3    Oxidase Test

 

3.7.4    Catalase Test

 

3.7.5    Methyl Red Test

 

3.7.6    Indole Test

 

3.7.7    Citrate Test

 

3.7.8    Coagulase Test

 

3.7.9    Urease Test

 

3.7.10  Triple Sugar Iron (sugar fermentation test)

 

CHAPTER FOUR: RESULTS

 

4.1       Proximate Composition of Substrates

 

4.2       Characterization of Bacteria Isolates

 

4.3       Distribution and frequency of occurrence of bacteria species

 

from substrates before fermentation

 

CHAPTER FIVE: DISCUSSION, CONCLUSION AND RECOMMENDATION

 

5.1       Discussion

 

5.2       Conclusion

 

5.3       Recommendation

 

REFERENCES

 

APPENDIX

 

LIST OF TABLES

 

Table4.1: Proximate analysis of cassava, Maize and sugarcane liquor

 

Table4.2: Frequency of occurrence of Bacteria species before fermentation

 

Table4.3: Frequency of occurrence of fungal species before fermentation

 

Table4.4: Frequency of occurrence of fungal species after fermentation.

 

Table4.5: Frequency of occurrence bacteria species after fermentation

 

Table4.6: Characterization and identification of bacteria isolates

 

from cassava, maize and sugarcane liquor.

 

Table4.7: Characterization and identification of fungal isolates

 

from cassava, maize and sugarcane liquor

 

LISTS OF PLATES

 

Plate 3.1: substrates before beginning fermentation process

 

Plate 3.2: culture plates before and after fermentation

 

Plate 3.3: distillation setup.

 

LIST OF FIGURES

 

Fig. 4.1: Amount of Bioethanol produced from each substrates and in their combination.

Citation - Reference

All Project Materials Inc. (2020). EVALUATION OF BIOETHANOL PRODUCTION POTENTIAL OF THREE ORGANIC SUBSTRATES CASSAVA, MAIZE AND SUGARCANE LIQUOR. Available at: https://researchcub.info/department/paper-8224.html. [Accessed: ].

EVALUATION OF BIOETHANOL PRODUCTION POTENTIAL OF THREE ORGANIC SUBSTRATES CASSAVA, MAIZE AND SUGARCANE LIQUOR


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A Review on evaluation of bioethanol production potential of three organic substrates cassava, maize and sugarcane liquor, bioethanol, substrates, maize, research journals and thesis, researchcub.info, agricultural extension project topics.
Energy is an important component in all the sectors of any society and serves as a key indicator of a country’s socio-economic growth, poverty eradication and security. This study was aimed at evaluating the biofuel production potential of three organic substrates (Cassava, Maize and Sugarcane Liquor). A total of 10kg weight each of the three samples was obtained from a local distributor at Marian Market Calabar, Cross River State. The organic substrates were then subjected to a four stage fermentation processes that lasted for a period of ten (10) days with subsequent production of bioethanol using distillation method. The results show bacterial isolates before fermentation include Staphylococcus, Streptococcus, Bacillus, Candida and Rhizopus Sp. While isolates after fermentation include Klebsiella, Serratia, Mucor, Aspergillus and Saccharomyces Spp. the result revealed that sugarcane had the highest production potential of bioethanol (15mls), compared to cassava produced with bioethanol production of 12mls. However, the combination of maize, cassava and sugarcane produced (10mls) of bioethanol while the lowest yield was obtained from maize which was 4mls. The results obtained also revealed that the bioethanol yield from maize was very weak compared to the yield from sugarcane that was very strong. A total of 63mls of bioethanol was produced from the substrates and their combination. This study revealed that the three substrates can be used to produce bioethanol. This thus .. Click here for more

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