CN86100505A - Air dissolution and biological adsorption method for purifying organic waste-water - Google Patents
Air dissolution and biological adsorption method for purifying organic waste-water Download PDFInfo
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- CN86100505A CN86100505A CN 86100505 CN86100505A CN86100505A CN 86100505 A CN86100505 A CN 86100505A CN 86100505 CN86100505 CN 86100505 CN 86100505 A CN86100505 A CN 86100505A CN 86100505 A CN86100505 A CN 86100505A
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- waste water
- organic waste
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- adsorption tower
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Abstract
The present invention is the method with a kind of novel treatment organic waste water of biochemical treatment and two kinds of methods combinations of charcoal absorption.Waste water enters molten gas adsorption tower after pre-treatment, filler is a gac in the tower, because it is abundant at 400～200mg/l organism to enter the waste water COD cr of adsorption tower, and competent even oversaturated dissolved oxygen is arranged, help perching microorganism on carbon to the organic pollutant oxygenolysis, processing efficiency can reach 98～99%, and the residence time is short, equipment is simple, takes up an area of to lack, and the load that can withstand shocks.
Description
Handle organic waste water aerobe method commonly used.This method is utilized microorganism decomposing organic pollutant in the presence of oxygen, and processing cost is lower, but the facility investment height, floor space is big, lower (the general chemical oxygen demand (COD) chromium method COD of entering organic matter of water concentration
CrBe controlled at about 400mg/l), when handling high concentrated organic wastewater and needing decolouring, be subjected to very big restriction.Another kind of materialization is handled many methods, and wherein active carbon adsorption is to utilize the activated carbon adsorption organic pollutant to reach the water purification purpose, but activated carbon costs an arm and a leg, and adsorptive capacity is little, after absorption is saturated, and activated carbon regeneration difficulty and cost height.
Characteristics of the present invention are that biochemistry and active carbon adsorption are organically combined.Can handle high concentrated organic wastewater, but and the activated carbon life-time service, needn't regenerate.Entering organic matter of water concentration (chemical oxygen demand (COD) chromium method COD
Cr) between 400～2000mg/l, organic removal rate 98～99% has decolorizing effect, required equipment is simple, reduced investment.
For the bigger organic pollutant wastewater of solubleness,, be difficult to remove, for example the NMP(N-methyl-2-pyrrolidone with coacervation because of wherein lacking micelle) waste water, use the coacervation clearance only 4～14%.Also very low with other oxygenant method treatment effects.Employing this law processing NMP waste water then clearance can bring up to 98～99%.
The present invention is that waste water enters adsorption tower (2) by air-dissolving apparatus (1) under the pretreated condition of control, and the control flow velocity at ambient temperature, can be removed organic pollutant.Treatment condition are that active carbon column is inoculated through screening and the microorganism water sample of taming earlier, and water sample enters dissolving from top to bottom through removing suspended substance, and pressure is 0.5～2.5kg/cm
3, from bottom to top enter adsorption tower again.This law equipment is simple, take up an area of few, the efficient height, it is wide to be suitable for the influent concentration scope, is a kind of novel method for processing organic wastewater, being applicable to can be biochemical and the solvability organic polluting water ， And load that can withstand shocks preferably.
Claims (3)
1, a kind of method of handling organic waste water, it can be the physico-chemical process of aerobe facture or activated carbon adsorption.Characteristics of the present invention after microbe inoculation gives processing, adopt aerobic biochemical process and sorbent material bonded method, organic removal rate 98～99% at what activated carbon carbon post.
2, a kind of according to the said method of claim (1), organic waste water concentration (chemical oxygen demand (COD) chromium method CODcr) is between 400～2000mg/l, with 0.5～2.5kg/cm
3Pressure by air-dissolving apparatus, enters adsorption tower from top to bottom.
3, a kind of device of handling high concentrated organic wastewater, it can be the device of a kind of aerobe treatment unit or charcoal absorption.Characteristics of the present invention are to use dissolving and the supporting device of activated carbon adsorption tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86100505 CN86100505A (en) | 1986-01-25 | 1986-01-25 | Air dissolution and biological adsorption method for purifying organic waste-water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86100505 CN86100505A (en) | 1986-01-25 | 1986-01-25 | Air dissolution and biological adsorption method for purifying organic waste-water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86100505A true CN86100505A (en) | 1987-08-19 |
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ID=4801043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86100505 Pending CN86100505A (en) | 1986-01-25 | 1986-01-25 | Air dissolution and biological adsorption method for purifying organic waste-water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86100505A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449668A (en) * | 2013-08-30 | 2013-12-18 | 中国地质大学（武汉） | Method for treating restaurant wastewater through combination of microbial decomposition and active carbon adsorption |
-
1986
- 1986-01-25 CN CN 86100505 patent/CN86100505A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103449668A (en) * | 2013-08-30 | 2013-12-18 | 中国地质大学（武汉） | Method for treating restaurant wastewater through combination of microbial decomposition and active carbon adsorption |
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