Encyclopedia of Environmental Science and Engineering, Volume I and II

420 FOSSIL FUEL CLEANING PROCESSES

ACID GAS

AIR

B+RC WHB

2nd HOT GAS BYPASS

1st HOT GAS BYPASS

MODIFIED CLAUS PROCESS

TAIL GAS

LEGEND

B+RC - BURNER + REACTION CHAMBER

WHB - WASTE HEAT BOILER

R - CATALYTIC CONVERTOR

C - CONDENSER

SL - LIQUID SULFUR

SL

SL

SL

R 1 R 2

C 1

C 2

FIGURE 8

SWEET GAS

WASTE GAS

LIQUID SULFUR

AS

AIR

SOUR GAS

LEGEND

R - ZEOLITE BED ABSORBERS

C 1 - SULFUR CONDENSER

C 2 - ARIAL COOLER

AS - ACCUMULATOR/SEPARATOR

B - SULFUR BURNER

R 1 R 2

C 2

C 1

B

HAINES PROCESS

FIGURE 9

C006_002_r03.indd 420C006_002_r03.indd 420 11/18/2005 10:27:11 AM11/18/2005 10:27:11 AM