X hits on this document

236 views

0 shares

0 downloads

0 comments

70 / 90

As an example: a representative run for 4-NP photodegradation is shown. For the recycle system the 4-NP maximum Cpermeate is 4 mg/l (10% with respect to the initial one); for the continuous system 7 mg/l (17% with respect to the initial one).

40 Retentate, cont. syst.

4 - nitrop. Conc. [mg·l ]

-1

30

20

10

Permeate, cont. syst. Retentate, recycle Permeate, recycle

0

  • 0

    2

4

6

8

Time [h]

4-NP concentration in the retentate and permeate versus time for continuous and recycle system configurations (T = 30 °C, P = 3.5 bar, [TiO2] = 1 g/l, [O2] = 22 ppm, I = 3.6 mW/cm2, tangential flowrate = 500 ml/min, permeate flux = 10 l/h·m2). Membrane used: N30F1,2

  • 1.

    R. Molinari, L. Palmisano, E. Drioli and M. Schiavello, J. Membrane Science 206 (2002) 399

  • 2.

    R. Molinari, L. Giorno, E. Orioli, L. Palmisano, M. Schiavello in “Nanofiltration Principles and Applications”, A.I. Schäfer, A.G. Fane, T.D.

Waite (Eds.), Elsevier, Oxford, U.K., 2005, Cap. 18, pp. 435-458, and references therein.

Document info
Document views236
Page views236
Page last viewedSat Dec 10 21:25:00 UTC 2016
Pages90
Paragraphs864
Words5893

Comments