Jiranun Hempoonsert

Pollution Control DepartmentMinistry of Natural Resources and Environment

Good Practices of SeptageManagement in Thailand

Background of Administration in Thailand

Central Government

Ministry of Natural Resources and Environment

Ministry of Public Health Ministry of Interior

Public Health Acts B.E.2535 (1992)

National Environmental Quality Acts 

B.E.2535 (1992)

Establishment of Municipality

Acts B.E.2535 (1992)

Local Governments

Building Control Acts

B.E.2522 (1979)

Local Administration Responsibility

Public Health Acts B.E.2535 (1992)

Establishment of Municipality Acts B.E.2535 (1992)

National Environmental Quality Acts

B.E.2535 (1992)

Local

Governments

Budget‐Build‐Operation of   ‐ Wastewater,‐ Solid Waste, and ‐ SeptageTreatment

Provide SeptageTreatment

Provide Public Facilities

Public facilities

Individual Household

Public Facilities

Building Control Acts B.E.2522 (1979) Control Building

Construction All Buildings

Background of Surface Water Quality Situation 1996 - 2012

Excellence Good Fair Deteriorated High deteriorated

Source: State of Thailand Pollution, 2013

Background of Coastal Marine Water Quality Situation 1997 - 2012Excellence Good Fair Deteriorated High deteriorated

Wastewater Management Model in Thailand• Central Treatment Plant

• Cluster (Community) Treatment Plant

• On-site Treatment

7

Central Wastewater Treatment plants in Thailand

Figure of Wastewater Treatment Plants in Thailand (as of 2016)

28 plants operating subtotal 1,384,600 m3/D 1 plant under construction1. จ.สมุทรปราการ (วว.)(AS) 525,000 m3/D

Total 1,909,900 m3/D

Central

Sum. :

Operating 96 plants

Under construction 4 plants Suspended 1 Plant Total 101 Plants

North

Northeast

East

South

16 plants operating subtotal 255,809 m3/D1 plant under construction 1. ทม.อุทยัธานี (ปค.+วว.)(SP)

9,000 m3/DTotal 264,809 m3/D

18 plants operating subtotal 353,466 m3/D1 plant under construction 1. ทม.นครพนม(ทส.)(SP) 8,600 m3/DTotal 362,066 m3/D

16 plants operatingTotal 297,400 m3/D

16 plants operating subtotal 346,750 m3/D3 plants under

construction 1. ทม.ชุมพร (ยธ.)(SP) 12,000 m3/D

2. ทม.ปัตตานี (ยธ.)(SP) 27,000m3/D

Total 375,750 m3/D

Central or Cluster Treatment Service Area

Septic Tank

Effluent to WWTP

SeptageWWTP

Septage Central Treatment Plant

Rural Area

Septic Tank

Land Application

Septage

Cesspool

Public sewer or

Land Application

Septage Central Treatment Plant

Central Septage Treatment : Nonthaburi Plant

Facilities in Treatment Plant

1. Office

2. Pond

3. Digestion Tank

4. Sand Drying Beds

5. Heavy Mechanical

Equipment Store

6. Soil Improvement

Material Store

7. Equipment Store

8. Parking Lots

http://www.behn.go.th/upload/detail_dirt.pdf

Septage Treatment Process (Nonthaburi Plant)

Transportation

Anaerobic Digestion 28 days

Soil Improvement Material

Transportation & Pumping

Anaerobic Digestion

Sludge Drying & Soil Improvement Material

• Concrete tank 13 cu.m

• Slope 3%

• PVC Ǿ 6” piping distribution

Soil Improvement Material

Liquid Fertilizer

Drainage from Sand Drying Bed

Storage Pond for Liquid Fertilizer

Process

Thank you for

your attention