~  00  •  ~  ~  ~  ~  =  ~  ~  ~  ~-....J  N  0  ....  Ul  rJJ  =- (’D  (’D  .....  ....  0  0  ....  d  r.,;_  \0  =  -....l  w  ~  0--,  w  =  N  FIG.  12  FEED WATER  ..,  1  ALKALI  (IF  NEEDED)  WEAK  ACID CATION  EXCHANGE  ACID  (IF  NEEDED)  CARBON  DIOXIDE  REMOVAL  ALKALI  RO  SYSTEM  1x1  ..  REJECT  TO  SCRUBBER  MAKEUP  1  •  PRODUCT  TO  SECOND  PASS  RO OR  ION  EXCHANGE  FIG.  13  REJECT  TO  I  WASTE  NITROGEN  PRE- H  ~BLE- P~~i~~1~~N  H  s1d~AGE  H  DEs%~~110N  FEEDWATER  --i  TREATMENT  (DUAL-BED  OR  TANK  SYSTEM  PASS  RO  MIXED  BED)  "’  ~  OZONE  I  TO  254nM  UV,  DEGASIFICA  TION  1--1  RE~~~~i~1LE  185 nM  UV  POLISHING  jf  FINAL{iUL  TRA- REGENERABLE  FIL TRA  ION ETC  MIXED  BED  MIXED  BED  ’  . 