Introduction

Coal Washing is a process of separation mainly based on difference in Specific Gravity of Coal and associated impurities like Shale, Sand & Stones etc so that we get relatively pure marketable coal without changing its physical properties. The more of this waste material that can be removed from coal, the lower its total ash content, the greater its market value and the lower its transportation costs.

There are total seven number washeries in CCL, of which five are coking coal and two are non coking coal washeries.

A  Coking Coal Washeries:
  1. Rajrappa Washery
    Rajrappa Washery was commissioned in 1987 constructed by M/S MAMC. Its installed capacity is 3.0MTY of raw coal feed which is highest in India as coking coal Washery. It is based on Jig washing technology. The washed coal produced is despatched to SAIL/RINL steel plants and the washed coal power is despatched to power plants.
     
  2. Kathara Washery
    Kathara Washery was commissioned in 1969 with soviet collaboration. Its installed capacity is 3.0 MTY of raw coal feed which is also highest in India as coking coal. It is based on Heavy media bath & heavy media Cyclone washing technology.
     
  3. Kedla Washery
    Kedla washery was commissioned in 1997 designed by HSCL with installed capacity of 2.6MTY of raw coal feed. Washing process of Kedla wahery is Jig based.
     
  4. Sawang Washery
    Sawang Washery was commissioned in 1970 in collaboration with M/S McNally and M/S KHD Wedag and its installed capacity of 0.75MTY of raw coal feed. Its washing process is combination of Jig & heavy Media Cyclone.
     
  5. Kargali Washery
    Kargali washery is a very old Washery & was commissioned in 1958 having installed capacity of 2.72MTY of raw coal feed. The washing carried out through ROM jig.
B   Non coking Coal Washeries:
  1. Piparwar Washery
    It was commissioned in 1997 with Australian collaboration having installed capacity 6.5MTY of raw coal feed. It is based on Jig washing technology.
     
  2. Gidi Washery
    Gidi Washery was commissioned in 1970. Its installed capacity is 2.5MTY. its washing is done through dense media bath.
     
Railway Siding associated with Washeries:-
Rajrappa: - It has its own railway siding in the Washery premises. Marshalling of Wagon is done by winch system.

Kathara:- 
It has its own railway siding in the Washery premises. Marshalling of wagon is done by railway engine.

Sawang: -
Sawang Washery has its own railway siding in the Washery premises. Marshalling of Wagon is done by winch system.

Kedla :-
Kedla washery does not have railway siding in the Washery premises. Products are transported by tipping truck to the Chainpur siding situated about 15Km from the Washery. Loading is done by pay loaders to the wagons.

Kargali:
Kargali Washery has its own railway siding in the Washery premises. Marshalling of Wagon is done by railway engine.

Piparwar:-
Piparwar Washery does not have railway siding in the Washery premises. Products are transported by tipping truck to the Bachra railway siding situated about 8 Km from the Washery. Loading is done by pay loaders to the wagons.

Gidi: -
Gidi Washery does not have its own railway siding but Gidi 'A' project has its own railway siding which is extended line up to the Gidi Washery where Washery product is loaded.
 


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