Intermittent Chlorination of' Condenser VCa' ter C. S. BCJRGYP, State Water Siirvey, Lrhana, Ill.,
AND
K E. SroLi,,
C
On'TIK1:UOUSciiloriuatioii of i:oride~is~r waters i n order t o keep cooling equipment free of biological gruwtli dates back to about 1822. Intermittent i:lilorination, iiowevcr, has recently b t ~ nproposed and put into use (S,6 ) , mid hence the experience at Po\vert,on shoiild lic of interest. The Pomrton Station of tlie Super-1'owi.r Company of liliuois is located on the Illinoir; Kiver not Far below the City id Pekin. At present, the statioii consists of three units and / a s a capacity of 215,000 kilovatb,. The condenser cooling water is drawn from t.he heavily polluted Illinois River.
During the sumniers of 1928 and 102!) considernlile trouble was had in keeping the Super-l'owor Compmy's condensers
dean. This was due to the abnndant growth and accumulation of slime deposits in the cooling equipment.
Super-Power Company
irf
Illiuois. Pekin. 111.
*)f about 25' C!. ( T i ' F.). I t is d w ~ i ~Siiuiiii a iii ii-micitie aewagc. Sanitary chemical and bacteriological studies