safe summary

• 2,000 – 4,000kcal/kg

• Use as Fuel for Thermal Power Plant

SLUDGE TO ENERGY MUNICIPAL WASTE

TO ENERGY

• Prevent Soil Pollution

• No Land Fill

• Producing High Quality of Feed

FOOD WASTE RECYCLING

UPGRADING LOW RANK COAL

High Efficiency Drying Technology

• No Landfill

• Producing High Calorific Value of RDF

• Low-rank Coal is Converted to a High-rank Coal

• 3,500kcal/kg → 5,500kcal/kg

HouseholdSewage Treatment

Plant Treated water

Dryied SludgeSewage Sludge(8000Tons/day in Korea)

Alternative FuelAt Thermal Power Plant

SAFE System Plant in Seoul(Capacity 1,000tons/day)

According to the 1996 protocol to the London Convention, dumping The sludge to the oceanis no more allowed.

High Viscous sludgeHigh Viscous sludge Equipment abrasion and Reduced lifeEquipment abrasion and Reduced life

● Simple and safe operation

● Rotary kiln equipped with the cutting blade

Intake sludgeSludge storage

tank

Odor intake blower

Air pre-Heater

Hot Air generatorLNG

Dryer

Blower

Odor treatment

Cyclone dust collector Bag filter

Products Storage tank

Air flow

Sludge

20%D.S

90%D.S

● Combined Direct and Indirect drying system

● The malodor is used for combustion air

Intake sludgeSludge storage

tank

Odor intake blower

Air pre-Heater

Hot Air generatorLNG

2nd Dryer

Blower

Odor treatment

Cyclone dust collector Bag filter

Products Storage tank

Air flow

Sludge

1st Dryer Heat exchangerSTEAM

20%D.S

90%D.S

35%D.S

● Combined Direct and Electro-dewatering system

● LNG (or LPG) saving is possible

Intake sludgeSludge storage

tank

Odor intake blower

Air pre-Heater

Hot Air generatorLPG

Dryer

Blower

Odor treatment

Cyclone dust collector Bag filter

Products Storage tank

Air flow

Sludge

20%D.S

90%D.S

35%D.S

Export daySupply(tons)

LHV(kcal/kg)

Unit Price(USD)

Amount(USD)

9~15 402 2,692 9 3,650

16~29 1,955 3,101 23 4,440

1~15 1,712 3,294 23 38,900

16~31 2,021 3,581 27 55,130

1~15 1,756 3,342 23 39,910

16~30 1,939 3,148 23 44,080

1~15 2,012 3,110 23 45,730

16~31 1,552 2,990 18 28,210

1~15 2,195 2,991 18 39,910

16~30 2,352 2,875 14 32,070

17,896 332,040

※ SUDOKWON Landfill Site Sewage Sludge Recycling Facility(2nd) Construction

※ 141,009,000,000kcal÷860kcal/kW÷1,000kW/MW×0.4(efficency )=66,586MWH(≒11MW in 2012)

Repoted by KOREA WESTERN POWER CO., Ltd.

Energy recovery 94%

11Mw power generation effects

※ 7Gcal/hr × 24hr/day × 22day/month × 12month/year = 42,336 Gcal/year

Energy recovery 123%