EXECUTION AND EVALUATION OF WASTE ANALYSIS


EXECUTION OF WASTE ANALYSIS

Execution of waste analysis is the third step in waste characterization.

1. COLLECTION OF SAMPLES
  • The Collection team should collect the waste either by emptying the waste containers or by exchanging them with empty ones on regular intervals without informing the property holder who produce this waste to avoid his influence in changing the composition of waste.
  • Each sample should be tagged with a specific reference identification code so that it could be used in wet conditions.
  • The following data must be recorded while collecting waste samples
1)  Sample Address 
2)  Date of Collection
3)  Specific Identification Reference Code
4)  Number and type of waste containers collected
5)  Estimation by seeing the percentage filling level of containers
6)  Estimation of percentage filling level of  other containers at one address for finding the waste amount
  • Number of persons responsible for waste production and collection interval information are useful to give the indication of per capita waste statistics and per household waste statistics.
  • Every waste sample collected must not to be mixed with other waste sample
2. SORTING AND ANALYSIS OF SAMPLES

Each sampling unit is weighed and weight is noted. The sorting of each sampling unit is done separately. The sampling unit is sorted according to a sorting catalog. The catalog will be described in later posts. The catalog has 13 primary waste categories and 35 secondary categories.

Sorting Procedure
  • A waste analysis record sheet (paper copy) is prepared for each sampling unit.
  • The unique code for waste is noted for each sample against waste analysis record.
  • The percentage filling ratio of waste containers is recorded.
  • The sampling unit is weighed with an accuracy of +/- 0.1 kg is recorded.
  • The sorting units can be separated into two fractions above 40 mm and below 40 mm waste category through screens or by screen table. This reduces the effort of sorting.
  • The above 40 mm fraction is sorted into 12 waste primary categories.
  • The below 40 mm fraction is further sorted into two fractions above 10 mm and below 10 mm through 10 mm mesh screen.
  • The below 10 mm waste weight is recorded and considers as "Fines" category.
  • The 10-40 mm waste is weighed too.
The sorting rate recommended is 6 man-hours (sorting team
members) per 100 kg of waste.

EVALUATION OF WASTE ANALYSIS

The evaluation of waste analysis depends upon weight results taken while sorting procedures from all sampling units.

The basic weight results should be transferred from record sheet to excel sheet that will easily calculate the waste composition and required statistical data.

Sample Analysis

Physical analysis is useful in determining the composition o municipal solid waste. Sorting is done for easy handling and management of waste. Water samples are sent to Laboratories for chemical analysis.

Extrapolation

It includes the conclusion from obtained sample results from population.

Presentation of Results

The results presented are:
  • Raw Data
  • Statistical Calculations
  • Evaluation of single results of strata
  • Extrapolation of overall results and waste quantities
  • Graphical representation of results



Comments

Post a Comment

Popular posts from this blog

GIS INTRODUCTION AND ITS FUNCTIONAL SUBSYSTEMS

Image
INTRODUCTION GIS (Geographic Information System) is a computer based tool used to store and operate geographic information. It deals with mapping and analyzing things happening on earth. GIS is known for explaining events, predicting results an planning strategies and that is why it is found different from other information systems and valuable to public and private enterprises. GIS aim is management, analysis and visualization/ mapping of spatial data. The definition of GIS quoted by Burrough is: "GIS is a powerful set of tools for collecting, storing, retrieving at will, transform and displaying spatial data from the real world." GIS APPLICATIONS GIS has the potential to be used in various fields. The problems faced by world today are overpopulation, pollution, deforestation, natural disasters. These challenges have critical geographic perspective. GIS is used while selection of suitable site for business, finding best soil to grow crops, finding the best route for emergenc
Read more

Environmental Pollution and its Types

Image
INTRODUCTION Before describing environmental pollution let's describe what is environment? Environment is defined as all physical and biological systems that surrounds all the organisms including man and all other factors that influence on these organisms. Environment includes both biotic (living) and abiotic (non living) components. Any change in the environment caused by any unwanted substance, impurity or in other words contaminants is called pollution. Environmental pollution is a becoming a serious concern all over the world causing the damage to the earth. It is a problem both in developing and developed countries.  MAJOR FACTORS INFLUENCING ENVIRONMENTAL POLLUTION The major factors that contribute towards environmental pollution are Population growth and urbanization. Urban population is increasing day by day. Rural population is also moving towards urban areas because of the facilities of urban areas. Therefore population of cities is increasing that leads to the high energ
Read more

Would You Consider Working In a Coworking Environment?

With more individuals doing independent work, working for themselves or working in private company new companies, there are more individuals than any other time in recent memory without an office space in the conventional sense. Nonetheless, imagine a scenario in which you are somebody who finds an increasingly social environment is the most profitable. Numerous individuals observe a conventional office condition to be the most valuable approach to work effectively, without the diversions of home or an open territory. The term was "collaborating" first propelled in 1999, by Brian DeKoven. Around the same time, one of the principal studios opened in New York City, called 42 West 24. At that point, in the UK, the first collaborating space wasn't opened until January 2005 in London. Be that as it may, the term just wound up mainstream in March 2007, when it was slanting on Google Search. Before long a while later, in October 2007, it was recorded as a term on Wikipedia.
Read more