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Improved bioreactor

A bioreactor and reactor technology, applied in the field of water treatment, can solve the problems of poor treatment effect, easy blockage of the reactor, low oxygenation efficiency, etc., and achieve enhanced relative operation, improved oxygenation efficiency, and reliable operation Effect

Active Publication Date: 2007-09-19
PENYAO ENVIRONMENTAL PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this structural packing is still fixed, so the reactor is easy to block, and the water head loss is large; secondly, the aeration does not directly contact the packing, the oxygenation efficiency is lower, and the treatment effect is not better than that of the biological filter.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0029] Embodiment: referring to Fig. 4, 5, the hollow tubular packing 3 (the size is 300,000-300,000 per cubic meter) that specific gravity 0.9, porosity 85%, axial direction and radial ratio are 0.9~1.1 are filled in reaction vessel 2. 450,000 grains), the filling amount of filler accounts for 65-80% of the effective volume of the reactor, and there is a porous filler baffle 5 at 100-200 mm below the water surface on the top of the reactor, with a pore diameter of 5-10 mm, a water outlet 4 at the top, and a water outlet 4 at the bottom. There are oxygen supply aeration system 7 and fluidized aeration system 6, and water inlet pipe 1. Microporous aerators are used for oxygen supply and aeration, and the air supply volume of each aerator is 0.2 to 0.6 cubic meters per hour, and the installation density is 25 to 49 per square meter; the fluidized aeration uses macroporous aerators, The air supply volume of each aerator is 2.0-6.0 cubic meters per hour, and the installation densi...

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Abstract

The present invention relates to the field of water treatment, especially an aerobic biological treatment bioreactor which contains large particle easy-fluidization filling having a specific density of 0.7-0.95, and a void ratio of >=50%, the loading amount of the filling is 50-90% of the reactor's effective volume, and the aeration apparatus includes separate oxygen supply aeration device and fluidization aeration device.

Description

technical field [0001] The invention belongs to the field of water treatment, in particular to an aerobic biological treatment bioreactor for water treatment. Background technique [0002] The "submerged fixed biofilm aeration filter" aerobic treatment process developed by the French OTV company (typically such as BIOSTYR TM process), is an upflow biological aerated filter formed by combining a filter and a biochemical reactor. The baffle plate 5 is provided with an aeration device 7 and a water inlet distribution device 1 at the lower bottom, and a light spherical particle (3-6mm) filter material 3 called BIOSTYRENETM specific gravity 1 is filled in the middle, such as a foamed plastic filter bead. Because the reactor uses a filter material with a large specific surface area as a microbial carrier, a large number of microorganisms can be attached, so it has a high purification capacity and treatment load; and the microorganisms are fixed on the carrier, not suspended in wa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F3/10C02F3/08
CPCY02W10/10
Inventor 孙继辉强绍杰王洪春黄政新
Owner PENYAO ENVIRONMENTAL PROTECTION
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