Page 208 - Materials Chemistry, Second Edition
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Determination of Pharmaceutical Compounds in Sewage Sludge       189








                               Compost             Compost            Compost


                               Digested sludge     Digested sludge    Digested sludge



               Ibuprofen           Salicylic acid     Propranolol
                               Secondary sludge    Secondary sludge   Secondary sludge





                               Primary sludge  2546  Primary sludge   Primary sludge





               16000  –1  12000  8000  4000  0  Concentration (µg kg  d.m.)  1000  –1  800  600  400  200  0  Concentration (µg kg  d.m.)  80  –1  60  40  20  0  Concentration (µg kg  d.m.)  Box-and-whisker plots of anti-inflammatory drugs, an  antiepileptic drug,  and a  β-blocker  in primary (n = 36), secondary (n = 36),




                               Compost             Compost            Compost



                               Digested sludge     Digested sludge    Digested sludge


               Diclofenac          Naproxen           Carbamazepine
                               Secondary sludge    Secondary sludge   Secondary sludge





                               Primary sludge      Primary sludge     Primary sludge anaerobically digested (n = 36), and compost (n = 9) sludge.




               600  –1  450  300  150  0  Concentration (µg kg  d.m.)  240  –1  180  120  60  0  Concentration (µg kg  d.m.)  2400  1800  1200  600  0  Concentration (µg kg  d.m.)
                                                                          FIGURE 9.1
                                                         –1
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