公开(公告)号：CA2108574C

公开(公告)日：2004-01-20

申请号：CA2108574

申请日：1992-05-01

Applicant: TODD JOHN JAMES

Inventor： TODD JOHN JAMES

IPC: B01F3/04 ,  C02F3/20

Abstract: An apertured flexible membrane (10) extends over a domed support (11). A central gas supply tube (50, 82) terminates in gas outlets (51) oriented to direct the gas to flow horizontally into the space (40) between the membrane and the support to inflate the membrane away from the support so that gas from the inflated space discharges through the apertures (60) as fine bubbles and such that when the gas supply ceases the membrane collapses back into ar ea contact with the support to seal all the apertures. This reduces clogging. The aerator is useful in the aeration of sewage or waste water and in fish or eel farms.

公开(公告)号：AU6356399A

公开(公告)日：2000-05-15

申请号：AU6356399

申请日：1999-10-25

Applicant: AERODISC INTERNATIONAL LTD ,  AUSTIN CHARLES ERIC ,  TODD JOHN JAMES

Inventor： TODD JOHN JAMES ,  AUSTIN CHARLES ERIC

IPC: B01F29/63 ,  B05C3/08 ,  B29B7/90 ,  B29B9/16 ,  B01J2/00 ,  B01J2/12

Abstract: Granules of plastics material are coated with a mixture of sand and salt grains by tumbling and heating a mixture of grains and plastics granules by passing them along a heated rotating hollow tube 1. The grains and plastics material granules are fed from hoppers 7,8, mixed by rib(s) 6 and heated to a temperature not less than the softening temperature of the plastics granules by a heater 5 . The coated granules are then tumbled and cooled before leaving the rotating hollow tube. The salt grains may then be removed by washing, to form a waste water treatment medium.

公开(公告)号：NO973712L

公开(公告)日：1997-09-19

申请号：NO973712

申请日：1997-08-12

Applicant: PROCEFF LTD ,  TODD JOHN JAMES

Inventor： TODD JOHN JAMES ,  HOPWOOD ADRIAN

IPC: B01J2/00 ,  C02F3/10 ,  C02F3/12

Abstract: Granules of plastics material have grains of an inert mineral such as sand coated thereon to provide a habitat for microorganisms effective in waste water treatment, the granules having a predetermined particle size range, and the grains having a predetermined particle size range and being disposed at a predetermined packing density range on the granules. The particles have an average density of approximately 1.0 g/cc such that a proportion tend to float and a proportion tend to sink in the waste water. The particles arc manufactured by contacting the granules of plastics material with a mixture of grains of the inert mineral and grains of a soluble substance such as salt, at an elevated temperature, to coat the granules with the mixture, and subsequently dissolving the soluble substance grains from the coating to provide the granules coated with the grains of inert mineral in the predetermined packing density range.

公开(公告)号：DE69207405T2

公开(公告)日：1996-09-12

申请号：DE69207405

申请日：1992-05-01

Applicant: TODD JOHN JAMES

Inventor： TODD JOHN JAMES

IPC: B01F3/04 ,  C02F3/20

Abstract: PCT No. PCT/GB92/00800 Sec. 371 Date Nov. 2, 1993 Sec. 102(e) Date Nov. 2, 1993 PCT Filed May 1, 1992 PCT Pub. No. WO92/19546 PCT Pub. Date Nov. 12, 1992.An apertured flexible membrane (10) extends over a domed support (11). A central gas supply tube (50,82) terminates in gas outlets (51) oriented to direct the gas to flow horizontally into the space (40) between the membrane and the support to inflate the membrane away from the support so that gas from the inflated space discharges through the apertures (60) as fine bubbles and such that when the gas supply ceases the membrane collapses back into area contact with the support to seal all the apertures. This reduces clogging. The aerator is useful in the aeration of sewage or waste water and in fish or eel farms.

公开(公告)号：ES2083169T3

公开(公告)日：1996-04-01

申请号：ES92909509

申请日：1992-05-01

Applicant: TODD JOHN JAMES

Inventor： TODD JOHN JAMES

IPC: B01F3/04 ,  C02F3/20

Abstract: PCT No. PCT/GB92/00800 Sec. 371 Date Nov. 2, 1993 Sec. 102(e) Date Nov. 2, 1993 PCT Filed May 1, 1992 PCT Pub. No. WO92/19546 PCT Pub. Date Nov. 12, 1992.An apertured flexible membrane (10) extends over a domed support (11). A central gas supply tube (50,82) terminates in gas outlets (51) oriented to direct the gas to flow horizontally into the space (40) between the membrane and the support to inflate the membrane away from the support so that gas from the inflated space discharges through the apertures (60) as fine bubbles and such that when the gas supply ceases the membrane collapses back into area contact with the support to seal all the apertures. This reduces clogging. The aerator is useful in the aeration of sewage or waste water and in fish or eel farms.

公开(公告)号：AT132467T

公开(公告)日：1996-01-15

申请号：AT92909509

申请日：1992-05-01

Applicant: TODD JOHN JAMES

Inventor： TODD JOHN JAMES

IPC: B01F3/04 ,  C02F3/20

Abstract: PCT No. PCT/GB92/00800 Sec. 371 Date Nov. 2, 1993 Sec. 102(e) Date Nov. 2, 1993 PCT Filed May 1, 1992 PCT Pub. No. WO92/19546 PCT Pub. Date Nov. 12, 1992.An apertured flexible membrane (10) extends over a domed support (11). A central gas supply tube (50,82) terminates in gas outlets (51) oriented to direct the gas to flow horizontally into the space (40) between the membrane and the support to inflate the membrane away from the support so that gas from the inflated space discharges through the apertures (60) as fine bubbles and such that when the gas supply ceases the membrane collapses back into area contact with the support to seal all the apertures. This reduces clogging. The aerator is useful in the aeration of sewage or waste water and in fish or eel farms.