Document zdpKy1k0RJzL05wZB7oKOkpmm
Company: DOW CHEMICAL Process: POLY-B
Node: 10 Page: 1
1- --------------- ------------------------------------------- ------------------------------------- ---------------------------------------------------------------------------------- ------------------------------------------ --------------------------------------- -------------------------- ----------------------------(-
Node: 10 FRESH I-PENTANE MAKE-UP TO R-2001
I
rameter: Flow
Intention: CONTROL PERCENT SOLIDS @35% |
+------------------ +------------- +----------------------------------- +--------------------------------------+------------------------------------+------+
|GUIDEWORD|DEVIATION| POSSIBLE CAUSES | CONSEQUENCES | RECOMMENDATIONS |BY |
More
More Flow INSTRUMENT FAILURE. LACK OF AUTOMATION.
REDUCES THE SOLIDS CONTENT IN THE REACTOR. HIGHER ENERGY USAGE. REDUCES REACTOR TEMPERATURE. LOWER EFFICIENCY.
EVALUATE
GC
COMPUTER CONTROL
OPERATOR TRAINING TH
Less
Less Flow INSTRUMENT
HIGH PERCENT
FAILURE.
SOLIDS.
LACK OF
REACTOR HIGH
AUTOMATION.
TEMPERATURE.
LINE BLOCKED IN. REACTOR FOULING.
COMPUTER SHUTDOWN
SAME AS MORE FLOW GC
Reverse
Reverse Flow
SEE NODE 1
SEE NODE 1
SEE NODE 1
GC
DO A 121110 CONFIDENTIAL