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5393427 | Barnard | Feb 1995 | A |
5514277 | Khudenko | May 1996 | A |
5601719 | Hawkins et al. | Feb 1997 | A |
5798043 | Khudenko | Aug 1998 | A |
5846424 | Khudenko | Dec 1998 | A |
5853588 | Molof et al. | Dec 1998 | A |
5853589 | Desjardins | Dec 1998 | A |
6039873 | Stahler | Mar 2000 | A |
6054044 | Hoffland et al. | Apr 2000 | A |
6077430 | Chudoba et al. | Jun 2000 | A |
6086765 | Edwards | Jul 2000 | A |
Number | Date | Country |
---|---|---|
11-156387 | Jun 1999 | JP |
Entry |
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“Prefermentation Technology for BNR Plants” by Munch, Elisabeth V.; The Activated Sludge Pages: Issue 1., p. No. 9, Prefermentation Technology; Available at: http://scitrav.com/wwater/asp1/preferm.htm. |