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Sub-regional Conference on Wastewater Management: Promoting Innovationsand Sustainable Investment 29 to 31 January 2013.

Building the Sanitation Market

Roshan Raj Shrestha, PhD

Water, Sanitation & Hygiene 

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Sanitation Gap

No Toilet Vs. Basic Sanitation –what is the real sanitation gap ?

Still high demand for on-site and

decentralized sanitation – sewer

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Roots of the lingering sanitation Crisis

Non viable market approach

Expensive expert solutions andmisleadin conce ts

Limited innovation ca acito Limited R&D

o Limited industrial solution

o Closed communit of ex erts discussions

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The Sanitation Value Chain

Access to sustainable sanitation is achieved by

value chain at scale. Technologies and servicesmeet users’ preferences and national requirements.

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Moving sanitation products and services to scale

Reinvent the

 Toilet

 Program

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Moving sanitation products and services to scale

Reinvent the

 Toilet:

 

a waterless, hygienic toilet

Overall Specifications:

  . ,towards $0.01/person/day (end goal).

Safe: remove all pathogens from the environment.

Appealing: sustained use > 5 years.

User-centered: users create demand.

Sustainable: service providers (public or private) canrecoup complete lifecycle costs (make a businessw

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‐

Moving sanitation products and services to scale

  Separate trash and sand from sludge and treat water for

local reuse e ro us suc a e oesn rea own Inexpensive to operate; Inexpensive to purchase;

su erior business model com ared to Vacuum trucks

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and manual emptiers

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Omni‐In estor

Moving sanitation products and services to scale

Extraction Mobile Processing

dewater/desand/detrash/clean Faecal Sludge

  Faster, safer emptying = more money to the Pit Emptier

Localized scheduled emptying = reduction of cost

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Pumping out to a ‘transfer station’ = greater access

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Extraction to ….

Moving sanitation products and services to scale

Fixed Pre-Processing Unit

Processor 

reusablewater

Trash

Fecal sludge

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Moving sanitation products and services to scale

 

Remove 100% pathogens from fecal sludge Community power/resource plant? - Recover energy

ue , e ec r c y, oc ar, ogas, o ese ,nutrient/fertilizer and clean water…

Profitable business for investors and operators

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Reduced service fees for poor families living on latrines

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Moving sanitation products and services to scale

 

Sanitation pricingand model

Structuring fecalsludge emptyingmarket

Up-scaling access tosanitation

…

 © 2012 Bill & Melinda Gates Foundation | 11

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We welcome your ideas too !

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