Indian Railways Develops Hybrid Vacuum Toilets One Prototype is Fitted in a Coach of Dibrugarh Rajdhani for Trail

Source:  www.business-standard.com

Minister of Railways has made a statement in the Budget Speech 2015 that Indian Railways shall fit Vacuum toilets on trains.

Development Cell of the Railway Board has come up with a design that combines the advantages of Vacuum toilets and those of Biotoilets to create a new design of Hybrid Vacuum Toilet.

A prototype has been made by modifying the standard flushing protocol of a vacuum toilet so as to create water seal and additional post flush cycles and this concept has been converted into a working prototype by Indian Railways as a first ever system of its kind to have been developed and built by any railway system in the world.

This newly developed toilet has been fitted in one coach No. 153002/C FAC that is running in Dibrugarh Rajdhani for trail.

The prototype consists of a custom designed Vacuum toilet adapted from a commercially available vacuum toilet that is used in aircrafts which evacuates its discharge into a biodigester tank which is now successfully proven in the biotoilets of Indian Railways.

The biodigester tank is fitted underneath the coach and contains anaerobic bacteria that converts human fecal matter into water and small amount of gases before discharging the same on the ground/track. More info

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