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D1 1120 Hj. Wan Mohd Zamri bin W Ismail River Bank Filtration System- Air Kelantan

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1
PRESENTATION BY:
Ir. Hj.Wan Mohd Zamri bin W Ismail
AIR KELANTAN SDN BHD
PRESENTATION BY:
Ir. Hj.Wan Mohd Zamri bin W Ismail
AIR KELANTAN SDN BHD
CLIMATE CHANGE SCENARIOS
Durian Tunggal dam at Melaka - 1991
THE
FLOOD …
HOW TO MANAGE…
 Physical
Means
 Sociological Means
 Economics Means
Network Management
 Energy Management
 Environmental & Resource Management

OPTIMIZATION OF WATER SUPPLY
1.Network Management
2.Energy Management
3.Environmental & Resource
Management
OPTIMIZATION OF WATER SUPPLY
1.Network Management
a)
Optimum Design limit and estimations
b)
Reduce System Losses
c)
Optimize Storage Tank Capacities
d)
Reduce Pumping System or booster
stations
PIPES MATERIAL SELECTION..
Glass Reinforced Pipes has a “C”-value of 150 and stronger than steel
pipes but yet of non-corrosive material.
OPTIMIZATION OF WATER SUPPLY
2. Energy Management
a)
Improve Power/Voltage Quality
b)
Select Best Switching Gears
c)
Retrofit with Energy-saving devices e.g
VSD, Controller etc
d)
Select Best Efficient Motors & Pumps
e)
Reduce System Losses
OPTIMIZATION OF WATER SUPPLY
3. Environmental & Resources
Management
a)
Retrofit with environmental-friendly devices e.g lownoise devices.
b)
Select Best Design Suitability e.g less sludge
treatment, non chemical WTP
c)
Select Construction Plan with Low Impact on
Environmental e.g No Dams Plan, using Natural Substorage Reservoirs
d)
Improve On Raw Water e.g siltation dam,
Use of Riverbank Filtration System(RBF) &
Horizontal Collector Well method(HCW)
Introduction to Groundwater
a. Simple and cheap to treat to good drinking
water
b. Stable quality and quantity all year
c. Localized availability, means decentralized
infrastructure and short transmission costs
d. Far better protection than surface water
e. Little impact on nature and environment
Horizontal Collector Well System :
a groundwater engineering application
Refers to the one of the
groundwater system
being abstracted from
aquifers in the alluvium
such as sand and gravel
layer through radial wells
which are drilled and
installed horizontally
inside concrete caisson.
RIVERBANK FILTRATION SYSTEM (RBF) WITH
HORIZONTAL COLLECTOR WELL (HCW)
RIVER
Groundwater aquifer
RIVERBANK FILTRATION SYSTEM
CONSTRUCTION OF HORIZONTAL COLLECTOR WELL
ESSENTIAL BENEFIT OF HORIZONTAL COLLECTOR WELL
IN RIVER INFILTRATION SYSTEM
1. LARGE QUANTITIES OF WATER PRODUCED OVER SMALL
CONSTRUCTION AREA
2. LOW IN CONSTRUCTION COST , LESS TIME TO CONSTRUCT
AND IT’S GREEN TECHNOLOGY.
3. MAINTENANCE IS EASY AND ECONOMICAL WITH COST
SAVING
4. PRODUCED WATER IS CLEAR AND PURE (LOW TURBIDITY)
AND PROTECTED FROM OUTSIDE THREATS.
5. MINERAL CONTENT (IRON & MANGANESE) OF WATER IS LOW
6. WATER PRODUCTION IS GUARANTEED, ESPECIALLY DURING
DRY SEASONS
Riverbank Filtration System – Advantages
3 Aspects of Reduction:
REDUCTION ON COSTS
-Operational Cost
- Energy Cost
COSTS
- Maintenance Cost
REDUCTION ON RISKS
- Quality of Water
RISKS
- Failure on Operation
- Environmental Damages
REDUCTION ON THREATS
- Climate Change Impact
- Pollution of River
- ‘War’ on Use of Water
THREATS
SURFACE WATER
Capital Costs
RM M/mld
%
GROUNDWATER
RM M/mld
%
RIVER INFILTRATION
RM M/mld
%
General Prelimenaries
0.14
5%
0.13
5%
0.06
6%
Raw Water Intake
0.27
10%
0.21
8%
0.15
16%
Raw Water Pumping
0.02
1%
0.01
0%
0.01
1%
Water Treatment Works
1.39
51%
1.95
74%
0.59
63%
Treated Water Piping
0.58
21%
0.01
0%
0.01
1%
Others
0.33
12%
0.34
13%
0.12
13%
2.73
2.65
0.94
(-65% GW)
(-66% SW)
Operating Costs
RM/m3
Electricity
0.1447
49%
0.1322
61%
0.1008
62%
Chemicals
0.0564
19%
0.0216
10%
0.0110
7%
Maintenance
0.0187
6%
0.0100
5%
0.0100
6%
Management
0.0735
25%
0.0546
25%
0.0406
25%
0.2933
RM/m3
%
0.2184
RM/m3
%
0.1624
(-26% GW)
(-45% SW)
%
22
KELANTAN EXPERIENCE :
RBF IN JELI
23
JELI WTP WITH RBF SYSTEM
SEDIMENTATION TANK
AERATOR
PROCESS UNIT
FILTER TANK
REFURBISH EXISTING BUILDING
TREATED WATER PUMPS
24
JELI WTP
Energy Efficient & Costs Savings
1. Energy Costs reduced– + High Eff.Pumps & VSD
2. Maintenance is minimised – Excavators, Pumps
3. Filter operation is optimized – less backwash
4. Very Little Sludge – no sludge management
5. Optimization of WTP Whole Operation
Energy savings up to 45% with the RBF effect and VSD usage.
TURBIDITY OF RAW WATER (NTU)
2010
TURBIDITY OF RAW WATER (NTU)
PRODUCTION AFTER COMPLETION OF JELI WTP WORKS
RBF – HCW PROJECTS
NO.
WATER TREATMENT PLANT
CAPACITY
(mld)
COMPLETION
DATE
10
10/2010
1.
Jeli-Pasir Dusun, Jeli
2.
Ayer Lanas-Gemang, Jeli
8
4/2011
3.
Kuala Balah, Jeli
8
4/2011
4.
Stong-Dabong, Jeli
3
7/2011
5.
Bertam Baru, Gua Musang
4
9/2012
6.
Peralla, Tanah Merah
2
10/2012
7.
Pasir Tumboh, Kota Bharu
25
12/2012
8.
Wakaf Bunut, Pasir Puteh
25
12/2012
9.
Pintu Geng, Kota Bharu
30
2/2013
10.
Wakaf Bharu, Tumpat
20
2/2013
11.
Sg.Ketil, Gua Musang
20
10/2013
12.
Kelar, Pasir Mas (2 nos.)
50
PLANNING
30
KNOWLEDGE-SHARING
JPS MALAYSIA
KNOWLEDGE-SHARING
JBA PAHANG
KNOWLEDGE-SHARING
INSTITUT PENYELIDIKAN HIDRAULIK KEBANGSAAN (NAHRIM)
KNOWLEDGE-SHARING
KEMENTERIAN TENAGA,TENAGA HIJAU DAN AIR (KETTHA)
KNOWLEDGE-SHARING
KEMENTERIAN KESIHATAN MALAYSIA (KKM)
KNOWLEDGE-SHARING
LEMBAGA URUS AIR SELANGOR (LUAS) DAN JMG
KNOWLEDGE-SHARING
DATO’ TEO YEN HUA,(CEO SPAN) AND SPAN DELEGATES
KNOWLEDGE-SHARING
Ministry of Public Utility Sarawak
YB Datuk Sylvester Entrie Muran- Menteri Muda Kemudahan Awam Sarawak (Bekalan Air)
and Sarawak Delegates
CONCLUSION
RIVERBANK FILTRATION SYSTEM (RBF) :
KickOff Meeting
39
1.
2.
3.
4.
Deferum System – using only air to oxidize Iron &
Manganese and without use of chemicals.
Ozone oxidation of iron-manganese in groundwater
in non-conventional treatment processes.
Subterranean Iron Removal System – biochemical
reaction in aquifer to treat groundwater in primary
processes and without the use of chemicals.
Organic Coagulant – use of natural herbs to produce
an organic coagulant for flocculation processes in
conventional WTP.
40
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