• DOI:10.1007/BF00623560
• Corpus ID: 33087270

Extraction of uranium from sea water by cultured algae

@article{Heide2004ExtractionOU,
  title={Extraction of uranium from sea water by cultured algae},
  author={Erich-Alexander Prof Dr Heide and Klaus Wagener and M. Paschke and Maximilian Dr Dr Wald},
  journal={Naturwissenschaften},
  year={2004},
  volume={60},
  pages={431}
}

• E. A. Heide, K. Wagener, +1 author M. Wald
• Published 1 September 1973
• Chemistry
• Naturwissenschaften

Mos t of t he m e t h o d s t r ied so far are based on ion exchange, adsorp t ion , prec ip i ta t ion , and so lven t ex t rac t ion , b u t none seems l ikely to s a t i s fy t he above r equ i r emen t s . We h a d t he idea t h a t mic roo rgan i sms possess m a n y of the requi red proper t ies : se lec t iv i ty for b ind ing u r an i um, easy and inexpens ive p roduc t ion of t he b iomass , o p t i m u m degree of d ispers ion for fas t b ind ing kinet ics , and no was te problems. F r o m theore t ica l cons idera t ions and technological calcula t ions we devised a b a t c h process us ing cu l tu red algae exposed to f lowing sea water . For our e x p e r i m e n t s we used unicel lu lar green algae, m u t a t e d , selected, t e s t ed and cu l t iva t ed in l abora to ry exper imen t s . I n some cu l tures the m e d i u m was enr iched b y add i ng u r a n i u m sa l t in order to d e m o n s t r a t e t h a t even h i gh concen t ra t ions of u r a n i u m are no t po isonous to t he m u t a n t s . I n some experim e n t s a low e n r i c h m e n t was used for ana ly t ica l convenience . Some resu l t s are p re sen t ed in Tab le 1. A New Insecticide Inhibits Chitin Synthesis