Refuse Disposal System

Who produce waste? The answer is all of us including humans, plants, animal and any living things or non- living things.

"Perhaps someone's 'waste' can be 'treasure' for someone else"
-Dr Shamsul Hadi

Waste can be split into 3 types:

1. Domestic Waste
2. Commercial Waste
3. Industrial Waste

We dispose our waste by refuse disposal system. Refuse disposal system are method or technique for the collection, treatment, and disposal of the solid wastes of a community. The development & operation of these system is often called solid-waste management. Refuse in this context define unwanted substances.

Source of waste can be divided into 4 groups:  

1. Municipal waste
2. Hazardous waste
3. Special Hazardous waste
4. Biomedical waste

Municipal waste

The wastes, collected from the residential houses, markets, streets and other places mostly in the urban areas and disposed of by municipal bodies are called municipal solid wastes (MSW). In general, the urban solid wastes are called refuse. The Municipal solid wastes are a mixture of paper, plastic, clothes, metals, glass, organic matter etc. generated from households, commercial establishments and markets.

The proportions of different constituents vary from season to season and place to place depending on the life style, food habits, standard of living and the extent of commercial and industrial activities in the area. Municipal solid wastes are collected locally and the amount collected depends upon the size and consumption of the population. The municipal wastes, their contents and sources are summarized in the table below.

Followings are the flow of how the municipal solid waste is generated.

BIOMEDICAL WASTE

    Biomedical waste is the waste that generated from the treatment, diagnosis or immunization of human being, animals and in research activities such as production or testing of biologicals. 

Source : Google Images

HAZARDOUS WASTE & SPECIAL HAZARDOUS WASTE

Hazardous waste and special hazardous waste are potential threats to human health, animals and also to the environment. They may be found in different physical form such as liquids, solids, gases or sludge. They also material that known to exhibit of the traits such as ignitability, toxicity, reactivity, corrosivity and so on. Sometimes, we don’t know that there are some item are harmful to us like paints and solvents, mercury-containing wastes, aerosols and so forth.

Normally, hazardous waste are by products of industrial, domestic activities such as chemical substance, toxic, poisonous gases release from the industry to the environment. Special hazardous waste includes radioactive waste, explosive waste and electronic waste (e-waste). In many countries, law is required to involve the appropriate authority to supervise the disposal of such hazardous waste.

The Systematic Process of Refuse Disposal

 1. First step : GENERATE

Source : google images

   People generate the waste.  

2. Second step : COLLECTION

Source : google images

                  

The responsible man collect the waste

3. Third step : TRANSPORTATION 

 

Source : google images

The waste will be brought by the waste lorry that own by the waste collective company to the waste disposal places.

4. Fourth step : DISPOSAL

Source : google images

All the waste be dispose at the disposal waste .

5. Fifth step : TREATMENT 

Source : google images

All the dispose waste have to been treatment. The treatment waste can be use back whether for create a new thing or recycle. 

Source : Google Images

Case study :

B12, Fakulti Alam Bina

Refuse disposal system at B12

   

    In front of Con.Hall

At each level of B12  

  In the toilet

At the bus stop

This is where all disposal item been gathered