CN101215072A - Biological activated carbon sea water treatment method for increasing organism degradability - Google Patents
Biological activated carbon sea water treatment method for increasing organism degradability Download PDFInfo
- Publication number
- CN101215072A CN101215072A CNA2008100520655A CN200810052065A CN101215072A CN 101215072 A CN101215072 A CN 101215072A CN A2008100520655 A CNA2008100520655 A CN A2008100520655A CN 200810052065 A CN200810052065 A CN 200810052065A CN 101215072 A CN101215072 A CN 101215072A
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- China
- Prior art keywords
- seawater
- activated carbon
- biological activated
- sea water
- water treatment
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
Disclosed is a method for processing seawater by using biologically active carbon to improve biodegradability, which comprises the steps of sand settling and sand filtration. The method is characterized in that after sand filtration ozone, adding ultraviolet rays or ozone and ultraviolet rays in seawater, then further adding the seawater in a filter chamber of biologically active carbon to stay for processing, and dissolving organic contaminant in the seawater is removed or switched. The invention has the advantages of shortcut processing line, occupying field saving, high treatment efficiency. The method is adapted for processing the seawater with bad biodegradability because TOC can be degraded to be over 50 percent at most in the setting range of design parameter (when inlet TOC is about 5-15mg/L), being capable of being used for seawater pre-processing when using RO method to desalinate seawater.
Description
Technical field:
The invention belongs in a kind of desalting process seawater is carried out pretreated method, particularly a kind of method that improves the biological activated carbon sea water treatment of biodegradability.
Background technology:
The key of reverse osmosis (RO) desalination technology is a reverse osmosis membrane, though the production of film and assembly is quite ripe, but have only 5 years the mean life of film, and this is a major reason that causes the sea water desaltination processing cost higher, and the film pollution is to cause film short major cause in work-ing life.It is decelerating membrane pollution, the work-ing life that prolongs film that seawater is carried out pre-treatment, guarantees the key of reverse osmosis system operation steady in a long-term.Pre-treatment mainly is to remove suspended substance, organism, colloidalmaterial, microorganism, bacterium and some objectionable impurities (as iron, manganese, calcium etc.), and the influent quality that different raw water qualities and film require has determined pretreatment technology.
At present both at home and abroad reverse osmosis seawater desalting engineering pretreatment technology scheme is mostly at removing turbidity, traditional technology has similar technologies such as coagulating sedimentation filtration, but for the more serious seawater of organic contamination, resemble the Bohai Sea Gulf seawater, account at the solvability organic pollutant under the situation of significant proportion, it is very limited removing organic pollutant by coagulating sedimentation merely.Therefore, for the more serious seawater of organic contamination, the key of its desalting engineering is to seek suitable pretreatment technology route, strengthens the removal of organic pollutant.This class research at present is less, does not also have this case history.
Summary of the invention:
Purpose of the present invention just is to provide a kind of method that improves the biological activated carbon sea water treatment of biodegradability, and this method not only can be removed the turbidity in the seawater, and can remove the materials such as organic pollutant of difficult for biological degradation in the seawater.
Technical scheme of the present invention is: a kind of method that improves the biological activated carbon sea water treatment of biodegradability comprises the following steps: 1. sand setting; 2. sand filtration; It is characterized in that: after the sand filtration, feed ozone in seawater, and then be passed into to stop in the biological activated carbon filter and handle, the solvability organic pollutant in the seawater is removed or transforms.
A kind of method that improves the biological activated carbon sea water treatment of biodegradability comprises the following steps: 1. sand setting; 2. sand filtration; It is characterized in that: after the sand filtration, feed ultraviolet ray in seawater, and then be passed into to stop in the biological activated carbon filter and handle, the solvability organic pollutant in the seawater is removed or transforms.
A kind of method that improves the biological activated carbon sea water treatment of biodegradability, it is characterized in that: after the sand filtration, feed ozone and ultraviolet ray in seawater, and then be passed into to stop in the biological activated carbon filter and handle, the solvability organic pollutant in the seawater is removed or transforms.
The present invention can also adopt following technical measures:
The dosage of above-mentioned ozone is 3-6mg/l, and the reaction times is 30-60 minute.
Above-mentioned ultraviolet power is 75w, and the reaction times is 30-60 minute.
The hydraulic detention time HRT of above-mentioned biological activated carbon filter is 60-120 minute.
Advantage of the present invention is: operational path is simple and direct, save and take up an area of, the processing efficiency height, in given design variable scope, the highest degradable of TOC is (when water inlet TOC is 5～15mg/L left and right sides) more than 50%, be applicable to the seawater of handling the biodegradability difference, can be used for the pre-treatment of seawater when adopting the RO method to carry out sea water desaltination.
Embodiment:
Embodiment 1:
A kind of method that improves the biological activated carbon sea water treatment of biodegradability, carry out according to the following step: 1. sand setting, promptly remove macrobead inorganics and silt particle in the seawater; 2. sand filtration (rapid filter) soon can't further be removed by the suspended matter that activated carbon filter stops up that can cause that the sand setting process is removed; 3. feed ozone at seawater, the dosage of ozone is: ozone 4mg/l, reaction times 40 minutes; 4. and then be passed into to stop in the biological activated carbon filter and handle, the solvability organic pollutant in the seawater is removed or transforms.5. the seawater after will handling through biological activated carbon filter further filters again, gets rid of the microbial film that comes off carried secretly in the water outlet and carbon granules that may be broken etc., water outlet.
The hydraulic detention time HRT of above-mentioned ozone biological activated carbon filter is 60-120 minute.
Embodiment 2:
A kind of method that improves the biological activated carbon sea water treatment of biodegradability, carry out according to the following step: 1. sand setting, promptly remove macrobead inorganics and silt particle in the seawater; 2. sand filtration (rapid filter) soon can't further be removed by the suspended matter that activated carbon filter stops up that can cause that the sand setting process is removed; 3. add ultraviolet (UV) at seawater, ultraviolet power is 75w, and the reaction times is 40 minutes; 4. and then be passed into to stop in the biological activated carbon filter and handle, the solvability organic pollutant in the seawater is removed or transforms.5. the seawater after will handling through biological activated carbon filter further filters again, gets rid of the microbial film that comes off carried secretly in the water outlet and carbon granules that may be broken etc., water outlet.
The hydraulic detention time HRT of above-mentioned biological activated carbon filter is 60-120 minute.
Embodiment 3:
A kind of method that improves the biological activated carbon sea water treatment of biodegradability, carry out according to the following step: 1. sand setting, promptly remove macrobead inorganics and silt particle in the seawater; 2. sand filtration (rapid filter) soon can't further be removed by the suspended matter that activated carbon filter stops up that can cause that the sand setting process is removed; 3. add ozone and ultraviolet (UV) at seawater, the dosage of ozone is 6mg/l, and ultraviolet power is 75w, and the reaction times is 60 minutes; 4. and then be passed into to stop in the biological activated carbon filter and handle, the solvability organic pollutant in the seawater is removed or transforms.5. the seawater after will handling through biological activated carbon filter further filters again, gets rid of the microbial film that comes off carried secretly in the water outlet and carbon granules that may be broken etc., water outlet.
The hydraulic detention time HRT of above-mentioned ozone biological activated carbon filter is 60-120 minute.
Claims (6)
1. a method that improves the biological activated carbon sea water treatment of biodegradability comprises the following steps: 1. sand setting; 2. sand filtration; It is characterized in that: after the sand filtration, feed ozone in seawater, and then be passed into to stop in the biological activated carbon filter and handle, the solvability organic pollutant in the seawater is removed or transforms.
2. a method that improves the biological activated carbon sea water treatment of biodegradability comprises the following steps: 1. sand setting; 2. sand filtration; It is characterized in that: after the sand filtration, feed ultraviolet ray in seawater, and then be passed into to stop in the biological activated carbon filter and handle, the solvability organic pollutant in the seawater is removed or transforms.
3. the method for the biological activated carbon sea water treatment of raising biodegradability according to claim 1 and 2 is characterized in that: after the sand filtration, feed ozone and ultraviolet ray in seawater.
4. the method that improves the biological activated carbon sea water treatment of biodegradability according to claim 1 is characterized in that: the dosage of above-mentioned ozone is: ozone 3-6mg/l.
5. the method that improves the biological activated carbon sea water treatment of biodegradability according to claim 2 is characterized in that: above-mentioned ultraviolet power is 75w, and the reaction times is 30-60 minute.
6. the method that improves the biological activated carbon sea water treatment of biodegradability according to claim 1 and 2 is characterized in that: the hydraulic detention time HRT of above-mentioned biological activated carbon filter is 60-120 minute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100520655A CN101215072A (en) | 2008-01-14 | 2008-01-14 | Biological activated carbon sea water treatment method for increasing organism degradability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100520655A CN101215072A (en) | 2008-01-14 | 2008-01-14 | Biological activated carbon sea water treatment method for increasing organism degradability |
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| Publication Number | Publication Date |
|---|---|
| CN101215072A true CN101215072A (en) | 2008-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008100520655A Pending CN101215072A (en) | 2008-01-14 | 2008-01-14 | Biological activated carbon sea water treatment method for increasing organism degradability |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102001767A (en) * | 2010-10-26 | 2011-04-06 | 中国矿业大学(北京) | Advanced treatment system of coking wastewater |
| US20120080374A1 (en) * | 2010-10-04 | 2012-04-05 | Pacific Advanced Civil Engineering, Inc. | Ozone and anaerobic biological pretreatment for a desalination process |
| CN102642989A (en) * | 2012-04-28 | 2012-08-22 | 山东理工大学 | Recycling treatment device of high-salt reverse osmosis concentrated water |
| CN103626356A (en) * | 2012-08-22 | 2014-03-12 | 株式会社日立制作所 | Water desalination system |
| US9162911B2 (en) | 2011-02-01 | 2015-10-20 | I.D.E. Technologies Ltd. | Chemical free and energy efficient desalination system |
| CN108017232A (en) * | 2017-12-07 | 2018-05-11 | 哈尔滨商业大学 | It is biodegradable to quantify test method with the in-situ synchronization of absorbing synergic efficiency |
-
2008
- 2008-01-14 CN CNA2008100520655A patent/CN101215072A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120080374A1 (en) * | 2010-10-04 | 2012-04-05 | Pacific Advanced Civil Engineering, Inc. | Ozone and anaerobic biological pretreatment for a desalination process |
| CN102001767A (en) * | 2010-10-26 | 2011-04-06 | 中国矿业大学(北京) | Advanced treatment system of coking wastewater |
| US9162911B2 (en) | 2011-02-01 | 2015-10-20 | I.D.E. Technologies Ltd. | Chemical free and energy efficient desalination system |
| US9802849B2 (en) | 2011-02-01 | 2017-10-31 | I.D.E. Technologies Ltd. | Chemical free and energy efficient desalination system |
| US10301206B2 (en) | 2011-02-01 | 2019-05-28 | I.D.E. Technologies Ltd | Chemical free and energy efficient desalination system |
| CN102642989A (en) * | 2012-04-28 | 2012-08-22 | 山东理工大学 | Recycling treatment device of high-salt reverse osmosis concentrated water |
| CN103626356A (en) * | 2012-08-22 | 2014-03-12 | 株式会社日立制作所 | Water desalination system |
| CN108017232A (en) * | 2017-12-07 | 2018-05-11 | 哈尔滨商业大学 | It is biodegradable to quantify test method with the in-situ synchronization of absorbing synergic efficiency |
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Application publication date: 20080709 |