This document is prepared by PT Perta Arun Gas, where in it tackles about LNG development in Indonesia through the projects of the aforementioned company.Full description
LNG
LNGFull description
Small and Medium Scale Lng Terminals WartsilaFull description
An Overview of Design, Operation and Project Development Considerations
An Overview of Design, Operation and Project Development ConsiderationsFull description
Boil-Off in Large and Small Scale LNG Chains , Diploma ThesisFull description
310507 Economic Impact of Small Scale Lng StcFull description
Description : Converting kiln fired lime into quicklime for use in agriculture and building materials
Small Scale Industries Project.docFull description
How to paint and weather small scale military models.
Deskripsi lengkap
Natura Nat urall G as (N (NG G ) Technol Technolog og y S ma mall ll S c ale L N G – R eceivi ceiving ng Termina rminall Technology Development – Gas & NRE Directorate October 2015
Comparison FBT and VIT No
Item
Flat Bottom Tank
Vacuum Insulated Tank
1
Design of concrete foundations and containment
High cost
lower cost
2
Manufacturing
on site
shop manufactured
3
Lead time of shop work
several weeks
several weeks
4
Lead time on site construction
several months
several days
5
Possibility of sequential building-up & commissioning
No
Yes
6
Move-able
No
Yes
7
Type of pressure
atmoshperic
Pressurized, Up to 8 barg
8
Heat leak (dailiy evaporation
0.1-0.2 %wt/day
0.06- 0.08%wt/day
9
Rollover risk
Yes
None
10
Resistance to earthquake measures needed
difficult
easy
LNG storage tank selection guide 2 of 2
Open Rack Vaporizer (ORV)
r e z i r o p a V G N L
Water Vaporizer (SCV/Water-bath)
Intermediate Fluid Vaporizer (IFV)
Steam Vaporizer
Propane Intermediate (use in FSRU)
Natural Draft Ambient Air Vaporizer (AAV) Force Draft
No
Item
Open Rack Vaporizer (ORV)
1
Heat source
Seawater
2
Major Application
70% based load plant
3 4
Plot plant Environmental impact
5
Utility cost
6 7
Maintenance cost Operability
Intermediate Fluid Vaporizer (IFV) Ambient Air Vaporizer Water Vaporizer Ste am Vapori ze r Propane/ others (AAV) (SCV/Water-bath) Intermediate Fuel Gas/Electricity Steam Propane, glycol-water, Ambient air ethylene glycol, propylene glycol
25% of based load plants. Cold climate application Medium size Small size Impacts on marine life Flue gas (NOx,CO2) from cold seawater emissions and acid and residual chloride water condensate content discharge Medium : High : > Power for SW pump > Approx 1.5% > Chlorination for Vaporized LNG seawater (SW) consumed as fuel treatment > Chemicals for pH control and NOx reduction Medium High simple & excellent, > More complex allowing visual control observations whisch > Need to balance ensures very high waste heat and fuel reliability gas to SCVs. > Require coordination with power plant operation
If steam is available.
Warm climate,
High : > Steam system required
Commonly used for Offshore Large scale Terminal (FSRU) Medium size Impacts on marine life from cold seawater and residual chloride content Medium : > Power > Chemicals
High > More complex control > Require coordination with steam system
High > More complex control > intermediate fluid system
Low > Cyclic operation > Requiring adjustment of the defrosting cycle according to ambient changes
Small size -
o
Ambient air ≥ 15 C Large size No significant impact on environment except dense fog Low
Vaporizer Selection Guideline (Capacity based)
Open Rack Vaporizer (ORV) Submerge Combustion Vaporizer (SCV) Intermediate Fluid Vaporizer Ambient Air Vaporizer (AAV) Microbulk
Regas Capacity (MMscfd) 0.3
10
45
Mic robulk :Integ rated with s mall s ize s torag e tank, P B C (pres s ure building coil), vaporizer, and pipeline
