Segregation, Storage and Disposal of DOMESTIC &

INDUSTRIAL SOLID Wastes FOR ALL ALU Sites

By Aritro Mukherjee (Assistant Manager, QHSE, ALU- Pan India)

Segregation of Wastes at Industrial Sites

• What is Waste Segregation?• Segregation of Wastes :- It is defined as the

Separation of various types of wastes generated and their proper categorization depending on their nature. It is mainly done to separate and store wastes of similar nature at a single place so that they can be easily transported and disposed in a proper manner without creating nuisance and hindrance for the other persons.

Segregation and Categorization of Industrial Site Wastes.

• Segregation & Categorization of Industrial Site Wastes :- Industrial Site Wastes can be segregated & categorized as :

– (i) Biodegradable Waste : It includes Organic Wastes like Food Wastes, Paper Wastes and other wastes & trashes generated from Canteen & Cafeteria area.

– (ii) Non-biodegradable Waste : This can be further classified into :

• 1. Recyclable Waste : These can be recycled. Ex .Plastic Wastes(Especially Plastic Glasses & Mini-cups).

• 2. Hazardous and Toxic Waste : These include wastes like Cooked Oily Sludge(Usually generated in Food Canteen Services), Oily Cotton Waste(Generated in Technical Services).

• 3. Biomedical or Clinical Waste : They include wastes like Cotton Wastes, Band Aid Wastes, Adhesive Tape and Blood soaked clothes from First-aid wound dressings.

On-Site Collection & Storage of Industrial Site Wastes

SL No

Colour Coding of Dustbins Symbols Waste Category Examples

1. RED HAZARDOUS FLAMMABLE WASTE

COOKING OILY SLUDGE, OILY COTTON WASTE.

2. YELLOW BIOMEDICAL OR CLINICAL WASTE

FIRST AID COTTON, ADHESIVE TAPE, BAND-AID AND BLOOD SOAKED CLOTHES

3. BLUE RECYCLABLE WASTE

PLASTIC WASTES.

4. GREEN BIODEGRADABLE WASTE

FOOD WASTE, PAPER WASTE, OTHER CANTEEN TRASHES.

Methods of Disposal of Industrial Site Wastes According to Categories

SL no. Waste category Methods of Disposal

1. Hazardous flammable waste

Collected in designated dustbins, Cooked oily sludge to be collected in small containers, oily cotton waste to be collected in secured bags & transported to incinerator for incineration.

2. Biomedical or clinical waste

Collected in designated dustbins, packed in secured bags & sent to Incinerators for Incineration.

3. Recyclable waste

Collected in designated dustbins, if possible can be re-used & re-cycled within the site. Else after collecting in Garbage Bags can be disposed with authorized municipal solid waste collectors.

4. Biodegradable waste

Collected in designated dustbins, packed in small disposable bags & disposed with authorized municipal solid waste collectors.

THANK YOU