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MAKING A SANITATION REVOLUTION:

 A BUSINESS CASE 

Panel 2: Knowledge &Technology

24 May 2011

Asian Development BankManila, Philippines

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ON-SITE & OFF-SITE WASTEWATER TREATMENT SYSTEMSIN JAPAN

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DISPOSAL ± REUSE ± RECYCLE OF SEWAGE SLUDGE

Bio Solid Fuel to Power Generation Bio Gas for Automotive Fuel

Compost

Land fill site

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Oxidation Ditch Sedimentation Tank

Septic Tank + Ground Treatment Tank

Sedimentation Tank

Figure 1: Ground Treatment Tank Figure 2: Ground Treatment Tank 2

Figure 3: Ground Tank Structure

OVERVIEW OF TECHNOLOGY OPTIONS

On-site sanitation

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JOHKASOU

SLUDGE AND NIGHT SOIL COLLECTION & TREATMENT

Effluent water quality

BOD <=20 mg/l

reuse

disposal

recycle

On-site sanitation

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CONCLUSION

Toco

nsider f o

r techno

lo

gy selectio

n:

1. Land availability or aff ordability

2. Desired quality level of treated effluent

(depending on regulations/laws or f or reuse/recycling purpose)

3. Targeted amount of energy consumption

4. Required system management and level of expertise f or O&M

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On-site Sanitation

Japan Environmental Sanitation Center 

Japan Education Center of Environmental Sanitation

The Japan Sanitation Consortium (JSC) was launched on 16 October 2009

JSC consists of the 4 main national agencies managing on-site and off-site sanitation in Japan

JSC aims to utilize Japan¶s advanced experience in sanitation and successfulmodels from other countries to solve related issues in the region

JSC collaborates with ADB and

other Donors Agencies, international

organizations, NGOs, etc. for 

regional sanitation improvement

JSC MEMBER ORGANIZATIONS

Off-site Sanitation

Sewerage Business Management Centre

Japan Sewage Works Association

On-site Sanitation

Japan Environmental Sanitation Center 

Japan Education Center of 

Environmental Sanitation

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JSC Sanitation KnowledgeHub, Japan

Regional Water Knowledge Hub for Sanitation

 Thank you for your attention e-mail: info@jsanic.orgwww.jsanic.org

JSC ExpertiseyMember of a regional network of water specialists, committed for sanitation development

in the Asia-Pacific region

y

On-site and off-site sanitation specialized organization

JSC Services

yNetworking, Information Gathering & Sharing, Knowledge Dissemination, Support toInternational Donor Organizations

JSC PartnersyADB, JICA, Japan Water Forum, UNICEF, etc.