23. A 1918; Elyon from the effluent. The Solids and the extracted ammonia 3.192 155 A
6/1965 E. tal and/or phosphorous can also be used to make fertilizer 3.231490 A 1/1966 sy …

Disclosed are methods, devices and apparatus for bioremediation of mixed waste aquifers,
based on a synergistic combination of reductive treatment using zero-valent iron and …

57 ABSTRACT A starting mixture of liquid and solid organic wastes that is susceptible to at
least partial microbiological degradation, with formation of biogas, is treated by the following …

6,183,644 B1 2, 2001 Adams et al. 6,207,047 B1 3, 2001 Gothreaux 6,444,126 B1 9/2002
Gates et al.................. 210,612 6,692,642 B2 2, 2004 Josse et al. 6,811,702 B2 11/2004 …

(57) ABSTRACT A process has steps of one or more of aerobic treatment to remove COD
and nitrify a waste stream, anoxic treatment to denitrify a waste stream, anoxic treatment to …

57) ABSTRACT A method of reducing soluble Cr (VI) levels in aqueous wastes from 200
ppm or more to less than 1 ppm, partic ularly to less than 0.05 ppm, preferably to less than …

In accordance with the process of the invention, bacteria are used to provide hydrogen
sulfide and carbonate compounds for treating solutions containing metal ions. To produce …

Abstract PCT No. PCT/GB93/02003 Sec. 371 Date May 16, 1994 Sec. 102 (e) Date May 16,
1994 PCT Filed Sep. 24, 1993 PCT Pub. No. WO94/07800 PCT Pub. Date Apr. 14, 1994 …

(57) ABSTRACT A process has steps of one or more of aerobic treatment to remove COD
and nitrify a waste stream, anoxic treatment to denitrify a waste stream, anoxic treatment to …

It has now been discovered that both chemical oxygen demand and nitrate content in an
aqueous waste Stream can be reduced to a considerable extent in a Single-stage anaero …