Installation and Operation of the Knutsen Ballast Water Treatment

Transcription

Installation and Operation of the Knutsen Ballast Water Treatment
Installation and Operation of the
Knutsen Ballast Water Treatment
System – KBAL
Per Lothe
Hong Kong 18 February 2014
pel@knutsenoas.com
Long-term partner, recognised for providing safe,
efficient and innovative solutions for our clients
Knutsen Group
Knutsen OAS Shipping AS
(KOAS)
Knutsen NYK Offshore
Tankers (KNOT)
• Fully integrated shipping company
• LNG tankers
• Product and Chemical Carries
• Maritime Technology – R&D
• Shuttle tankers
• FSO
• Future Long Range Offshore
Support vessels
• Special offshore units
Management companies
Knutsen OAS
Espana SA
Knutsen OAS
(UK) Ltd
Canship Ugland
Inc. Canada
49%
KNOT – World leading within Offshore Loading
Knutsen OAS
Shipping
KOAS – Major LNG service provider
LNG carrier leaving Bilbao for 20 years T/C
LNG Side by Side transfer operations
Knutsen OAS
Shipping
World smallest LNG ship in operation West
Coast of Norway
M/T Sevilla Knutsen leaving Yard for its
first cargo May 2010
Knutsen Technology
Knutsen
Technology
Knutsen Ballast
water - KBAL
Knutsen VOC
KVOC
Knutsen EOR
KEOR
Knutsen Pressurised
Natural Gas
PNG
Different Zooplankton in the oceans
Zooplankton (Artemia)
Invasive Species
Economic loss of about $137 billion a year or "more than
double the annual economic damage caused by all
natural disasters in the United States."
Phytoplankton in the oceans
Algae bloom Barents Sea
Cholera bacteria
Filter operations will be challenging and more than 95% of
all BWT technologies require filters
Very coarse sand
Coarse sand
Medium sand
Fine sand
Very fine sand
Silt (mud)
Clay (mud)
Colloid (mud)
1000 – 1200 µm
500 – 1000 µm
250 – 500 µm
125 – 250 µm
62,5 – 125 µm
3,9 – 62,5 µm
< 3,9 µm
<1 µm
40 µm filter
Human hair
Mud will not be handled by filters
Knutsen objectives BWT
•
•
•
•
•
•
•
•
No filter
Environmental friendly
Easy to operate and maintain
Easy to retrofit
Simple outline and minimal footprint
Robust and flexible
Cost efficient
Safe
Innovation
To introduce
new technology
can sometimes
be like
mountain
climbing
Basic elements in the KBAL Technology
P1/P2 = 250
P1 = 2,0 barg
P2 = -0,988 to -0,975 barg
UV system
Diameter D
Height
>13 meter
Volume V
Water can boil at ambient temperature
Results KBAL land test
Organism >50µm
Test cycle
Water
Test water
(Req.: >100.000/m3)
1
Brackish
234129
2
Brackish
199571
3
Brackish
223192
4
Brackish
196839
5
Brackish
185088
6
Seawater
203746
7
Seawater
206792
8
Seawater
202250
9
Seawater
439054
10
Seawater
182104
11
Brackish
193338
Avg. Brackish
205360
Avg. Seawater
246789
Total Average
224191
1 Treatment
day 5 before
discharge
855
414
83
42
11
30
14
13
0
159
259
14
147
99,9993 %
Organism ≥ 10-50µm
2 treatment
1 Treatment 2 treatment day 5
day 5 after
Test water
day 5 before
discharge
after discharge
discharge
(Req.: <10/m3) (Req.: >1000/ml)
(Req.: < 10/ml)
6
2
2
0
5
1,7
0
0
0,3
0,7
0
2,5
0,5
1,6
3000
1600
2400
1100 (700)
1600
1600
2400
1700
900
1700
1700
1900
1660
1691
20
50
20
20
70
na
20
13
3
na
159
57
12
34
99,98 %
0,8
0,8
0,4
0,2
<0,2
<0,2
<0,2
<0,2
<0,2
<0,2
0,4
0,5
<0,2
<0,3
Shipboard Installation KBAL 600
• Location
– Above deck
• Existing Systems
– Minimum relocation
– Few additional
valves
• Operation
– Easy to operate from
cargo control
FOOTPRINT TODAY
KBAL 600 Reactor and UV unit
Regulator and flow meter
UV unit and camera
Shipboard testing results
• 5 tests performed
• Water inlet 2 first tests
less than IMO
requirements
• 3 last tests excellent inlet
condition and excellent
treatment results
99,9991 %
Approval process
• Second part of 2010
– IMO land based test
• Second part of 2011
– Shipboard testing
• Summer 2012
– Environmental testing
• Autumn 2012
– Documentation work
• Type approval received
– November 2012
• AMS Approval
– February 2014
Tanker installation 3000 m3/hr
KBAL Shelter
80
To Air
R
100
13 m
UV
650
600
F
To sea
600
600
B.B.P.
600
600
B.L.P.
600
600
To ballast tanks
or to sea
Pressure/Vacuum Reactor and UV (3000 m3/hr)
KBAL 3000 Compartment
KBAL 3000 pressure/vacuum reactor
KBAL 3000 M/T Ingrid Knutsen delivered
Des. 2014
Sales (January 2013)
New buildings: (received orders)
• HHI 2531, KBAL 3000, charterer: ENI, owner KNOT, delivery: July 2013.
• HHI 2532, KBAL 3000, charterer: ENI, owner KNOT, delivery: Start up
on board mid Aug 2013.
• HHI 2575, KBAL 3000, charterer: Exxon, owner KNOT, delivery: Start up
on board mid Sep 2013.
• Cosco Zhoushan Shipyard Co, KBAL 3000, charterer: Repsol, owner
KNOT, delivery: September 2014.
• HHI 2733 and HHI2734, 2 x LNGCs, KBAL 3000, charterer: Gas Natural,
owner: KnutsenOAS Shipping, delivery: 2016
Retrofit:
• KBAL 600, M/T Gijon Knutsen, DNV class, Successful FAT performed 30.04.12
Hilda Knutsen delivered 05.08.13
KNOT New Shuttle Tankers will be equipped
with KBAL BWT and circulation
350
From aft ballast tanks
50
600
650
300
300
300
300
300
400
500
W.P. Strip Ed.
600
700
650 650
500
200
500
200
500
200
500
200
500
600
200
600 600
500
B.L.P.
600
200
600
400
450
UV
400
300
500
700
350
350
600
400
B.P. 2
650 650
600
500
200
500
200
500
200
500
200
500
550
200
200
600
500
700
B.P. 1
650
400
S.C.
300
300
300
300
30
300
To Cargo System
B.P.
Ballast pump
B.B.P. Ballast booster pump
B.L.P. Ballast lift pump
300
900
900
R
300
B.B.P.
F
13 m
From I.G. main line
To air
100
200
Example: LNGC; Treatment by circulation, arr.
in E/R
Pressure vacuum reactor
located on 3rd Flat
To Air
Main deck
25.400 A/B
P/V
Alternative routing
above deck
ø450
2nd Flat
appr. 12.000 A/B
ø450
F
ø550
UV
3rd Flat
appr. 20.000 A/B
During voyage: Sea water
from a given ballast tank
B.P. no.2
B.P. no.1
B.P. no.1: Ballast pump no.1
B.P. no.2: Ballast pump no.2
P/V: Pressure vaccuum valve
UV: UV reactor
F: Flowmeter
During voyage: Sea water
to the same given tank
LNGC, Treatment by circulation
KBAL installed in E/R
LNGC, Treatment by circulation
KBAL installed in Engine Room
LNGC, Treatment by circulation
KBAL installed in E/R
Treatment sequence; green: treated water
LNGC, Treatment by circulation
KBAL installed in E/R
Treatment sequence; green: treated water
No more free rides across the oceans???
This ship has
KBAL inside. Keep
distance!!!

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