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ENV 506 Integrated Solid Waste Management. A report on the visit to Bukit Tagar Sanitary Landfill (BTSL) [6 th September 2007] ZUFADZLI BIN ZAKARIA 2005390304 HS223/07. UiTM Jalan Othman. 1. INTRODUCTION. The Stake Holders KUB-Berjaya Enviro Sdn. Bhd. (KBE)

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env 506 integrated solid waste management

ENV 506Integrated Solid Waste Management

A report on the visit to

Bukit Tagar Sanitary Landfill (BTSL)

[6th September 2007]

ZUFADZLI BIN ZAKARIA

2005390304

HS223/07. UiTM Jalan Othman.

1 introduction
1. INTRODUCTION

The Stake Holders

KUB-Berjaya Enviro Sdn. Bhd. (KBE)

  • Joint-venture company between KUB Malaysia Berhad and Berjaya Corporation Berhad.
  • Public listed company (Plc.), listed on Kuala Lumpur Stock Exchange (KLSE)

Supervision

Government of Malaysia

  • Ministry of Housing and Local Government
2 location
2. LOCATION
  • Hulu Selangor district
  • Approximately 50Km north of Kuala Lumpur
  • Developed on 700 acres land area
  • 1,000 acres of buffer zone
  • Surrounded by palm plantation
  • Accessible from North-South Expressway (PLUS) via Bukit Tagar Interchange (Exit 113B)
3 design and facilities
3. DESIGN AND FACILITIES
  • Fully engineered Level IV landfill with complete High Density Polyethylene (HDPE) membrane liner
  • Leachate collection and treatment systems
  • Comprehensive ground and surface water monitoring systems
  • 17 phases over 40 years
  • 120 million metric tones of air space capacity
  • Serves municipal and non-toxic (scheduled) solid waste for Central region of Selangor and Kuala Lumpur
  • Primarily routed from Kuala Lumpur Solid Waste Transfer Station in Kepong
3 1 landfill operation
3.1 Landfill Operation
  • Manpower: 45. Headed by Operations General Manager. Three shifts, seven days a week (24-hours)
  • 24-hours security patrols and checkpoint for screening of incoming wastes
  • Smartcard systems for vehicle identification and data logging
  • Full range of trucks and compactors
3 2 leachate management
3.2 Leachate Management
  • Leachate Treatment Plant Features
    • Treatment capacity – 1,000 cubic meters per day
    • Four leachate holding ponds – 180,000 cubic meters leachate storage capacity
    • SCADA systems; computerized and automated controls of pumps and valves
    • Primarily biological reaction with series of chemical dosing
    • Equipped with four Sequential Batch Reactor (SBR) lagoons

continue…

3 2 leachate management1
3.2 Leachate Management

…continued

  • Red beds – consists of phragmites plant capable of absorbing residues in treated leachate
  • 24 aerators
  • Chemicals storage and dosing systems
  • Balancing tanks
  • Sludge thickener
  • Dissolved air floatation plant
3 2 leachate management2
3.2 Leachate Management
  • Treated Effluent Management
    • Zero discharge policy
    • Treated effluent is irrigated into 120 acres field; allowing the effluent to undergo evapotranspiration and soil moisture retention processes
  • Leachate Quality Test
    • Conducted on daily, weekly and fortnightly basis at SBR lagoons
    • pH, nitrites, nitrates, ammoniacal nitrogen, dissolved oxygen (DO), BOD, COD
3 2 leachate management3
3.2 Leachate Management
  • Gas Monitoring
    • Waste gas is channeled via pipes and vented to outside environment
    • No specific gas collection system is currently employed
    • Future plan includes biogas collection system with biogasification plant to produce electrical energy for BTSL energy requirement
3 3 environmental management
3.3 Environmental Management
  • Surface Water Management System
    • Storm water runoff is diverted away from landfill via surface drains towards open water courses, silt traps and detention ponds
    • Daily earth cover to prevent ilfiltration of rain water
    • Regular desilting of silt traps
3 3 environmental management1
3.3 Environmental Management
  • Environmental Monitoring
    • Surface and ground water monitoring on monthly basis
    • pH, nitrites, nitrates, ammonia, e-coli, suspended solids and trace metals
    • Ambient air quality and noise levels on quarterly basis
    • Quarterly Environment Monitoring Reports to be submitted to the DOE
  • Early Warning and Emergency Containment System (see chapter 3.4)
3 4 emergency preparedness
3.4 Emergency Preparedness
  • Emergency response system
    • Leachate containment bund to prevent accidental leachate breakout
    • Continuous flow meter
    • Detention dam
    • Holding ponds
  • On-going training comprehensive training program to ensure optimum standards
    • Regular briefing
    • Trial runs on safety and emergency procedures
4 discussion
4. DISCUSSION
  • Location of landfill is suitable
    • Proper, direct and easy access via PLUS expressway
    • Not far away from Klang Valley
    • Minute area with sparse human population

Continue…

4 discussion1
4. DISCUSSION
  • Superb design and facilities
    • Fully engineered Level IV landfill
    • World class technology with computerized, automated and integrated leachate management
    • Protection to the environment quite well done, but no ISO14001
  • Gas monitoring and collection
    • No collection of waste gas is being employed

Continue…

4 discussion2
4. DISCUSSION
  • Environmental monitoring
    • Good efforts, but monitoring schedule only for quarterly basis
  • Environmental protection
    • Good efforts
  • Health and Safety
    • Can be improved; holistic medical surveillance of staff
    • PPE; should be supervised and updated from time to time
5 conclusion
5. CONCLUSION
  • BTSL is a newly operated Level IV landfill with advanced leachate treatment facilities
  • Currently, only Phase 1 is operational
  • Accepts municipal, non-hazardous solid waste from Central Region of Selangor and Kuala Lumpur
  • Future plan include utilization of biogas
  • Future land use for recreational purpose
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