ABSTRACT

This project was done to bring to lime light the appropriate method of solid waste handling, separation and utilization, in order to reduce the impact on the environment – environmental degradation. In this work, effort was made to point out the required steps taken in solid waste management.   

Segregation at the source was done to get either the vegetable waste separated from the plastic waste; metallic waste from plastic waste. Segregation at the source was carried out to avert difficulties associated with waste (solid) handling, separation and in general the management of waste.

More still, the biodegradable more further treated as in composting; and non biodegradable treated as in recycling of metals (Aluminium) or plastics; all geared towards ensuring that wastes (litters) were not towering to an outrageous extent, such that the stench would not upset public health. The waste can be incinerated or burnt as in combustion. 

There are various use to which the solid wastes are put; use as manure to increase and supplement the soil nutrient requirement; the gas (methane) effusing from the compost could be tapped and sold on a domestic gas; while combustion facilities burn municipal solid waste at a high temperature reducing waste volume and generating electricity.

TABLE OF CONTENT

CHAPTER ONE

1.1       INTRODUCTION                

CHAPTER TWO

2.1         SOLID WASTE MGT. SEPARATION

 AND UTILIZATION                        

2.2         SOLID WASTE (SEWAGE) TREATMENT 

2.2A    SCREENINGS                                            

2.2B    GRIT COLLECTION                                   

2.3C    SLUDGE                                          

2.4D    PRIMARY SLUDGE                       

2.5E    TRICKLING FILTER SLUDGE                 

2.5F    ACTIVATED SLUDGE                   

2.2.1     DIGESTION                         

2.2.1A SLUDGE GAS                     

2.2.1B SLUDGE – DRYING BEDS                      

2.2.1C            SLUDGE PROCESSING  

2.3         SOLID WASTE DISPOSAL                                   

2.3A    INCINERATION OF SLUDGE (SOLID WASTE)

2.3B    BURIAL                                                        

2.3C    DRYING                                                       

2.4         SOLID WASTE REMOVAL FROM SEWAGE    

2.4A    COARSE SOLID REMOVAL                    

2.4B    FIND SOLID REMOVAL                

2.4C    SEDIMENTATION                          

2.4D    CHEMICAL PRECIPITATION       

2.5         OXIDATION PROCESSES                       

2.5A    FILTRATION                                    

2.5B    AERATION                                       

2.5C    ACTIVATED SLUDGE                               

2.6         MUNICIPAL SOLID WASTE (MSW)

2.6.1     HAZARDOUS WASTE                              

2.6.2     HOSPITAL WASTE                        

2.7         SEGREGATION                                          

2.7.1     RECYCLING AND REUSE                      

2.7.2     COMPOSITION                                           

2.8         UTILIZATION                                               

CHAPTER THREE

3.1       DESIGN OF NEW CONCEPTS AND

 PROCESSES                                                         

3.1A    STREAM NUMBER, NAME, AND

 DESCRIPTION                                                       

3.1B    EQUIPMENT CODE, NAME,

AND DESCRIPTION                                              

3.2         PRACTICAL MEASUREMENT OF HEAPS OF SOLID WASTE        

CHAPTER FOUR

DISCUSSION                                                                      

CHAPTER FIVE

CONCLUSION                                                                    

REFERENCES                                                                   

CHAPTER ONE

INTRODUCTION

Solid waste is among those used items, which found no use at the material time. Humankind has been generating waste over the years, but recently, with progress of civilization, the waste generated became of a more complex nature.

As such the need to separate and utilize them became paramount than ever; the attendant utility derivable from the separated and proceed waste should not but be overemphasized.

This we research on the various methods of separation and utilization of solid waste in chapter two alongside with the accompanying chemical treatment of the sludge, while in chapter three effort will be made to design a concept that can separate, process and utilize the waste generated in our locality together with the calculation of the capacity of a waste bin, and that of the waste generation of an area. Finally, chapter four in the discussion of what got done in the proceeding chapter followed by conclusion and appendix (map of Enugu Urban). 

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