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Method and device for treating an organic effluent

A discharge and equipment technology, which is applied in the field of equipment for treating emulsion, highly colloidal water and/or liquid sludge, can solve problems such as inability to remove, and achieve the effect of simple equipment, less operation restrictions, and low cost

Active Publication Date: 2017-02-22
OREGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] However, this method cannot remove certain components of contaminated organic sludge such as sludge loaded with ammonia

Method used

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  • Method and device for treating an organic effluent
  • Method and device for treating an organic effluent
  • Method and device for treating an organic effluent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 4

[0139] Big bag; Example 4: 100 g / l after 24h, 115 g / l after 7 days and 221 g / l after 1 month.

[0140] Big bag; Example 5: 144 g / l after 24 h, 154 g / l after 7 days and 459 g / l after 1 month.

[0141] Big bag; Example 4: 120g / l after 24h (while raining all night) and 402g / l after 1 month.

[0142] It is to be noted that the sludge treated according to the invention is initially liquid.

[0143] Up to 30g / l, theoretically no dilution is required. However, if the sludge is thicker, for example above 40 g / l, it can be diluted at the inlet of the plant to enable a satisfactory pumping of the sludge, recalling that the The sludge is organic sludge, ie for which the MO (Matière Organique, organic matter) ratio relative to the MS (Matière en Suspension, suspended matter) ratio is 65% to 85%. The term "organic substance" is understood to mean essentially phospholipids, polysaccharides, proteins, alkali metals, alkaline earth and / or metals . . .

[0144] Another operating example is...

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Abstract

The invention concerns a method and a device for treating an organic effluent (2, 31). The effluent is fed in a continuous flow at a rate q (m3 / h), via a first chamber (5) maintained at a first specific pressure (P1), and / or directly through a first narrowing (7), to a second chamber or container (10, 33, 55) maintained at a second medium specific pressure (P2; P'; P1''; P2'') by the injection of air (11, 31, 54) into said second chamber at a rate Q (Nm3 / h), in order to obtain an emulsion (13, 57) in the second chamber, and a specific head loss is generated in the emulsion optionally modified by a second and / or third narrowing or a feed valve (61) for a third chamber (22, 39, 62) maintained at a third specific pressure (P3; P'; P3 '') in the region (79) immediately downstream of the second or third narrowing and / or valve (61), and a flocculant (24, 45, 78) is injected into the region of the third chamber, the emulsion at atmospheric pressure then being degasified and the emulsion thus degasified being recovered in a filtration or decanting device.

Description

technical field [0001] The present invention relates to methods of treating organic effluents, and more particularly to the treatment of emulsions, highly colloidal water and / or liquid sludge conditioning, coagulation, flocculation and oxidation by means of Burst, scatter and spread them inside. [0002] The invention also relates to a plant for the treatment (conditioning, coagulation, flocculation and oxidation) of emulsions, highly colloidal water and / or liquid sludge for carrying out such a method. [0003] The invention finds particular important but not exclusive application in the field of volume reduction of biological or organic sludges whose treatment or subsequent application is aimed at. Background technique [0004] Methods for separating suspended solid matter from liquid discharges containing such matter are known. [0005] The prior art for extracting water from sludge consists essentially in compaction to increase the solid compound content (expressed as %...

Claims

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Application Information

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IPC IPC(8): B01D21/28B01F3/04C02F1/24C02F1/52C02F11/14C02F1/20C02F1/56C02F1/74C02F11/12B01F23/00
CPCB01D21/0084B01D21/08B01D21/302C02F1/20C02F1/24C02F1/5281C02F1/56C02F1/74C02F11/121C02F2209/38C02F2209/40C02F2301/066C02F2303/02Y02W10/37C02F11/147C02F11/14
Inventor P·卡伯P·让德罗
Owner OREGE
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