Flare Gas

Clean, Compress & Utilize

PART I : Scrubber

The FlareGas Cleaner

• Biological desulphurization technology very low operational costs (no usage of caustic soda or similar chemicals).

• Highly economically.

• Environmentally friendly.

• Proven Technology more than.

• H2s Content of Flare Gas 1,182 ppm to be reduced to the desired level of < 5 ppm H2s for use as CNG as an alternative automotive fuel.

The FlareGas Cleaner Consist of:

4 x FRP-tank D=2,0 m x H=10,0 m

- Insulated acid resistant tank incl. ladder and platform

- Gas distribution system

- Spray system

- Drain system

- QSR® - system

- Packing media

- Heat coils and heat return valve

Process Technique Unit (PTU) - Insulated 20’ container placed besides the tank -- Circulating/drain pump -- Fertilizer dosing unit -- Water flow meter -- PLC controller -- Electrical installation, incl. lighting - EX gas detector system - Start-up bacteria - Air Blower and BioGas Analyser.

The FlareGas Cleaner Consist of:

Disposal of Water Waste

• The effluent from the scrubber is water with up to 8% SO4 (80.000 mg/l sulphate) and with a pH of down to 0.5-2.0 Despite of the low pH you can dip your finger in the effluent w/o getting your skin burnt.

• The typical application is that the effluent is mixed with the treated waste water or organic waste and recycled to fields as fertilizer.

• Per day 2,5m3of waste water will be disposed.

• Per day 2,5m3of fresh water is required.

• Per day approx. 200kg of S-Fertilizer will be produced.

The LP Booster Compressors

• 4+1 Claw compressors Dry and contact-free running compressor for operating in potentially-explosive atmospheres

• Inlet:8-15mBarG

• Outlet: 30kW, 400VAc, 50Hz

• EC directive 94/9/EG

• ATEX

• Process heat will be used for heating the Tanks during winter time and Drying the gas

The Chiller

• Cooling circuits w/refrigerant gas: R407C •Evaporator with stainless steel plates brazed with copper. • Condenser with stainless steel plates brazed with copper. • With Dimister. • 400VAc, 50Hz.

The Dryer

• Closed circuit regeneration without gas consumption • 2 column design without interruption • Water discharged 36 kg for a 8-hours cycle and 55 kg in case of 12+12-hours cycle • Dew Point: -60°C • 22kW, 400VAc, 50Hz

PART II : HP Boosters

The HP Booster Compressors

• 3+1 HP Booster compressors • 1,6BarG inlet

• 200BarG outlet

• Aircooled

• With el. Control cab.

• ATEX

• 150kW, 400VAc, 50Hz

The Trailer Filling Cabinet

• 75-100kg Dispenser to fill Trailers • Break away coupling

• 2 TK26 CNG Hoses • 10m flex pipe (200BarG)

The Pressure Reduction System

• 75-100kg Dispenser to fill Trailers • Break away coupling

• 2 TK26 CNG Hoses

• 10m flex pipe (200BarG)

• 22kW, 400VAc, 50Hz

PART III : Trailer

The Trailer

• Total weight: 40t (incl. Gas)

• 4 independent baskets: a’ 7.000 lts (1.500 Nm3)

• 200pcs steel cylinders 140 wl each, 200BarG

• 1 valve/cylinder w/Stainless steel tubing

• 1 PRV and independent vent system per basket

• Cylinders Standard: ISO 9809-1

Project Schematics

Highlights

Biological Desulphurization

Technology

Highly Economically

Proven CNG Technology

Standard CNG Components

EMGAS Sources of Gas Supply

NATURAL GAS PIPELINES

Al Aweer

Sewarage

Treatment

Plant

RENEWABLE ENERGY SOURCES

5,000 SCM/Day

Existing Existing Dec 2014

45,000 SCM/Day

Sewerage

15,000 SCM/Day 15,000 SCM/Day

OBJECTIVES OF EMIRATES GAS CNG PROJECT

• Contribute to building a sustainable future, promote clean environment in Dubai, and reduce air pollution;

• Develop the Natural Gas Vehicle industry as an alternate and sustainable energy solution which would reduce fuel costs;

• Reduce the carbon footprint of the Dubai by substantially reducing the exhaust emissions and pollutants such as carbon monoxide, carbon dioxide, nitrous oxide and other ozone depleting substances;

• Being the most favored tourist destination, to bring Dubai in league with the leading developed cities of the world to promote CNG as an alternate environmentally friendly fuel

EMIRATES GAS PROPOSED CNG INITIATIVE

CNG Mother Station

1 Existing Mother Station connected to DUGAS pipeline

1 Mother Station at Al Aweer Sewerage Treatment Plant

CNG Daughter Station

4 - 5 Daughter Stations to be set-up as “Dedicated Stations” on fleet owners premises

1 - 2 Daughter Stations to set-up on existing ENOC petrol stations

CNG Mobile Filling Unit

1 Existing MFU for small fleets with capacity of 800 cubic meters on board storage

EMIRATES GAS MARKETING STRATEGY

Installation of CNG Daughter Stations at Dedicated Fleet Owners premises in Dubai

Address potential Government Fleets

CNG Mother Station

CNG Daughter Station

Typical CNG Online Station

EMGAS CNG Daughter Station

EMGAS CNG Trailers

VINTAGE NGV’s

1940 Vintage Fuelling

1955

Horizontally Installed Bottles

1940 Bottles in the Boot

MODERN NGV’s

OEM(s) AFTERMARKET CONVERSIONS

MODERN NGV’s

MODERN NGV’s

Typical OEM Installation

Mercedes E200 NGT

CNG Kit Concepts

6

9

7

8

1 2

3

5

6. Pressure regulator

7. Low pressure filter

9. ECU (Electronic Control Unit)

8. Sequential injection

1. CNG Filling receptacle

5. High pressure pipe & fittings

3. Multifunctional cylinder valves

2. High pressure cylinders

4. Solenoid Line valve

4

CNG ADVANTAGES

Compressed natural gas is the cleanest burning fuel operating today CNG vehicles produce the fewest emissions of any motor fuel In gasoline vehicles, fueling emissions account for at least 50% of a

vehicle’s total hydrocarbon emissions CNG is a fossil fuel that generates less air pollutants and greenhouse

gases Tailpipe emissions from gasoline operated cars release carbon dioxide,

which contributes to global warming. This is greatly reduced with natural gas.

The Environmentally Clean Advantage

CNG ADVANTAGES

Natural gas gives the same mileage as gasoline in a converted vehicle Dedicated CNG engines are superior in performance to gasoline engines CNG has an octane rating of 130 and has a slight efficiency advantage

over gasoline Because CNG is already in a gaseous state, NGVs have superior starting

and drivability, even under severe hot and cold weather conditions NGVs experience less knocking and no vapor locking

The Performance Advantage

CNG ADVANTAGES

Some fleet operators have reduced maintenance costs by as much as 40% by converting their vehicles to CNG

Intervals between tune-ups for natural gas vehicles are extended

30,000 to 50,000 miles Intervals between oil changes for natural gas vehicles are dramatically

extended – anywhere from 10,000 to 25,000 additional miles depending on how the vehicle is used

Natural gas does not react to metals the way gasoline does, so pipes

and mufflers last much longer

The Maintenance Advantage

STATISTICS – NGV’S WORLDWIDE

Country Natural Gas Vehicles

Iran 3,300,000

Pakistan 2,790,000

Argentina 2,258,563

Brazil 1,753,762

India 1,500,000

Italy 746,470

China 1,577,000

Bangladesh 220,000

Regional Breakdown Natural Gas Vehicles

Asia 10,293,811

Eurasia 336,862

Africa 180,904

Europe 1,399,074

C & S America 4,906,086

North America 266,805

WORLD TOTAL 17,383,542 VEHICLES

STATISTICS – REFUELING STATIONS

Country NGV Refueling Stations

Pakistan 2,997

Argentina 1,929

Iran 1,992

Brazil 1,793

China 2,800

India 724

Italy 964

Bangladesh 585

WORLD TOTAL 21,579 CNG Stations

Regional Breakdown

NGV Refueling Stations

Asia 10,655

Eurasia 659

Africa 175

Europe 3,606

C & S America 4,955

North America 1,529

CURRENT UAE CNG/NGV STATISTICS

Emirate Operational CNG Stations

Abu Dhabi 10 (Owned & operated by ADNOC)

Al Ain 2 (Owned & operated by ADNOC)

Dubai 1 (mobile filling unit – owned & operated by ENOC)

Sharjah 1 (Owned & operated by SEWA)

Sharjah 4 (Owned & operated by ADNOC)

Emirate Natural Gas Vehicles

Abu Dhabi 3,000

Dubai 25

Sharjah 350

Q&A

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