Document 78420ebQO9vKo0k7Xdar6O2j

Chlorine 1 History Chlorine 1 plant was among the first of the plants to be started up in the Louisiana division sometime in 1959. The original plant had a four (4) rectifier/circuit operation with M-42 vintage cells and a 10 KA/rectifier capacity. The 1960's During the decade of the 1960's numerous changes occurred .... M-42 cells were replaced with M-61 cells A 5th rectifier and circuit of M-80 cells was added Existing PD CI2 compressors were replaced with centrifugal compressors Installed a low pressure liquifaction system added HCBD tailgas system R22 refrigerant was replaced with R12 Ferrric chloride system installed to supply this compound to water treating Added 6th and 7th rectifiers and cell circuits Installed a new brine clarifier The 1970's Replaced exisiting drying trains and increased brine capacity Replaced all cells and perifiral equipment Installed new pressurized sulfurific trains Installed high stage dry CI2 booster compressors New purification and liquefaction trains installed and started up 500 and 600 R12 refrigeration units installed T-54 and T-56 storage spheres installed The 1980*5 Hydrogen collection trains built and started up New brine system installed me..mp's New CI2 superscrubbers installed New Fuji rectifier replaced existing Rectifier #1. DO A 024143 CONFIDENTIAL