BROMINE FEOM SEA WATER STEWART 



161 



descriptions of a structure such as it was desired to construct were 

 available. Experience obtained in putting down an intake pipe for 

 the pilot plant indicated that a single row of piling would not sur- 

 vive the pounding of the ocean waves. It had been found, however, 



FIG, 5 

 FLOW SHEET 



£^^tf/ene O/bro^nJtJe /rom Aro/nine 

 £A^roc/ff<^ ^003 Sea /»i7/^/- 



FiGCRB 5. — Manufacture of ethylene dibromide from bromine extracted from sea water. 



that a row of piling on each side of the pipe remained rigid when 

 tied together with a large number of crosspieces. In planning the 

 intake of the new plant, it was decided, therefore, to cut a channel 

 out into the ocean for a short distance and to protect it with a rigid 

 wall on each side. The walls were each to consist of two parallel 

 rows of piling tied together at suitable intervals. 



