CN1876577B - Method and system for catalytic oxidation treatment of high concentration waste water - Google Patents
Method and system for catalytic oxidation treatment of high concentration waste water Download PDFInfo
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- CN1876577B CN1876577B CN2005100266701A CN200510026670A CN1876577B CN 1876577 B CN1876577 B CN 1876577B CN 2005100266701 A CN2005100266701 A CN 2005100266701A CN 200510026670 A CN200510026670 A CN 200510026670A CN 1876577 B CN1876577 B CN 1876577B
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Abstract
The invention relates the method of catalysis oxidation treating high concentrated wastewater, comprising the following steps: high concentrated wastewater flowing into storage tank, fine filter, and finally into mixed flow device; putting the acid storage tank and storage tank into chlorine dioxide generator to produce chlorine dioxide, getting chlorine dioxide water solution, transferring them into mixed flow device, mixing it with high concentrated wastewater, then them flowing into catalytic oxidation tower to carry out catalytic oxidation reaction, the wastewater from catalytic oxidationtower flowing into constant staticizer, then them flowing into pipe neutralizer until pH7-8, and then flowing into equipment for after-treatment. The invention has the advantages of high efficiency to treat organic compound and industrial effluent which is high colourity and salinity, easy operation and no secondary pollution and chaff.
Description
Technical field
The present invention relates to a kind of method and system of catalytic oxidation treatment of high concentration waste water, relate in particular to a kind of method that is difficult to biological degradation and so on trade effluent of handling lemon yellow waste water, active dye wastewater, pharmacy waste water and the supersalinity of fine chemistry industry waste water, synthetic resins waste water, high chroma, belong to technical field of waste water processing.
Background technology
The medicine and the dyestuff intermediate of macromolecular compound, synthetic resins, composite structure complexity, the day used additives product of a multitude of names, these compounds and product all are accompanied by a certain amount of high density in the process of producing trade effluent needs purification treatment, this type of trade effluent, if adopt traditional materialization and condensing method, its effect is bad; If adopt the higher temperature and pressure of wet oxidation Technology Need, the time of oxide treatment is longer again, and energy consumption is big, and treatment effect is still not good enough again, thus environment is caused certain negative impact.
Summary of the invention
The objective of the invention is to invent a kind of method and system that can effectively handle high stable organic compound, high chroma, supersalinity and be difficult to the catalytic oxidation treatment of high concentration waste water of biological degradation trade effluent.
For realizing above purpose, technical scheme of the present invention provides a kind of method of catalytic oxidation treatment of high concentration waste water, it is characterized in that, uses the composite catalyst of catalytic and oxidized treatment of three-phase waste water to handle high-concentration waste water, and its method is:
(1) enters waste water at storage tank through pretreated high-concentration waste water, send into secondary filter by waste water pump through under meter one and enter the mixed flow device again;
(2) stoste of sour storage tank and storage tank is imported the chlorine dioxide generator internal reaction respectively and is produced dioxide peroxide, by making aqueous solution of chlorine dioxide in the injector importing dioxide peroxide storage tank, its concentration is 1500mg/l, during provide ejection function by recycle pump, guarantee certain negative pressure in the producer;
(3) by the dioxide peroxide transferpump aqueous solution of chlorine dioxide input flow rate meter two is mixed with high-concentration waste water through the mixed flow device and flow into the bottom and be placed with that air carries out catalytic oxidation in the catalyzed oxidation tower of composite catalyst of catalytic and oxidized treatment of three-phase waste water and the tower, the weight percent of aqueous solution of chlorine dioxide and high-concentration waste water is:
Aqueous solution of chlorine dioxide 48-51%
High-concentration waste water 48-53%
The interior air of catalyzed oxidation Tata is pressed into purolator by air compressor machine and enters in the gas-holder, and pressurized air enters the through catalyzed oxidation tower bottom of air flowmeter through reducing valve, overflows the running status that constitutes three-phase oxidation from micro-hole aerator;
(4) the processing waste water that comes out of catalyzed oxidation tower flows into current stabilizer, enters the tubular type neutralizer then the waste water pH7-8 that neutralizes is flowed into subsequent processing device again.
A kind of system of catalytic oxidation treatment of high concentration waste water, it is characterized in that, by waste water at storage tank, waste water pump, under meter one, secondary filter, chlorine dioxide generator, the acid storage tank, storage tank, injector, the dioxide peroxide storage tank, recycle pump, the dioxide peroxide transferpump, under meter two, the mixed flow device, air compressor machine, purolator, gas-holder, air flowmeter, the catalyzed oxidation tower, current stabilizer and tubular type neutralizer are formed, waste water passes through waste water pump at storage tank, under meter one, secondary filter is connected with the mixed flow device, chlorine dioxide generator is connected with storage tank with sour storage tank, be connected with the dioxide peroxide storage tank by injector simultaneously, the dioxide peroxide storage tank passes through recycle pump, the dioxide peroxide transferpump is connected with the mixed flow device with under meter two, the mixed flow device is connected with catalyzed oxidation tower top, air compressor machine passes through purolator, gas-holder, air flowmeter is connected with the catalyzed oxidation tower bottom, and the catalyzed oxidation tower is connected with the tubular type neutralizer by current stabilizer.
The present invention loads the composite catalyst of a certain amount of catalytic and oxidized treatment of three-phase waste water in the catalyzed oxidation tower, hc effluent and oxygenant (dioxide peroxide) homogeneous phase mixed flow enters in the catalyzed oxidation tower, meanwhile, constitute the triphase catalytic oxidation state with the tower bottom bubbling air, dioxide peroxide contacts with waste water and can decompose the extremely strong active gene of multiple oxidation capacity, the H atom of the organic pollution materials in the energy quick active waste water generates free radical R by taking off the H reaction
0And then induce the chain reaction of free radical.Special active ingredient intensifies freedom " O in the catalyzer
2", be converted into activity " O ", participate in catalytic oxidation, the formation free radical that easily is activated of the organic pollution materials molecule in the waste water is constantly attacked the molecular chain of pollution substance, makes the molecule chain rupture, the effect that oxidation is effectively purified liquid waste.
Characteristics of the present invention are:
1. use the dioxide peroxide strong oxidizer owing to increased by one in the technique for treating industrial wastewater process, promptly constituting triphase catalytic oxidation situation, the new and high technology of the treating high-concentration organic wastewater through catalytic oxidation of scientific and reasonable composition normal temperature and pressure through in the catalyzed oxidation tower, participating in suitable air and waste water after the dioxide peroxide oxidation more earlier before the catalysis;
2. because the characteristic of composite catalyst and the effect of triphase catalytic oxidation, therefore it is more extensive to handle trade effluent of different nature, can handle lemon yellow waste water, active dye wastewater, pharmacy waste water and the supersalinity of fine chemistry industry waste water, synthetic resins waste water, high chroma and the trade effluent that is difficult to biological degradation and so on;
3. the K value of being controlled in wastewater treatment, R value, H value and j value are that the clearance according to the pollution factor in the waste water requires and the value set, so Industrial Wastewater Treatment is stable, reliable;
The technique for treating industrial wastewater of this patent possess skills advance, rationally stable, easy and simple to handle again, level of automation is high, high safety, non-secondary pollution.
Advantage of the present invention is effectively to handle high stable organic compound, high chroma, supersalinity and difficult and biodegradable trade effluent, and is easy and simple to handle, non-secondary pollution, and no dregs generate.
Description of drawings
Fig. 1 is the catalytic and oxidized treatment of three-phase waste water process flow sheet;
Fig. 2,3 is the composite catalyst process flow diagram.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment 1
Shown in Fig. 2,3, be the composite catalyst process flow sheet of catalytic and oxidized treatment of three-phase waste water, the composite catalyst preparation method of catalytic and oxidized treatment of three-phase waste water is:
(1) at first 1.6 parts of cerous nitrates, 8.7 parts of cupric nitrates, 18.9 parts of manganous nitrates, 0.6 part of nickelous nitrate, 0.6 part of Xiao Suangu, tap water are equipped to that to soak juice standby in soaking juice Preparation tank 20 for 69.6 parts;
(2) then from soaking the charging opening on juice rotary drum 21 tops, add absorbent charcoal carrier, to build charging opening and tighten, absorbent charcoal carrier is 1.25: 1 with soaking the juice ratio; The charging opening that will soak juice rotary drum 21 tops goes to the below, is connected with vacuum chamber 23 by vacuum hose, and vacuum chamber 23 is connected with vacuum pump 24; Open vacuum pump 5, extract and soaked in the juice rotary drum 21 air 4-5 hour, the vacuum meter pointer is stabilized in-0.80-0.90Mpa;
(3) vacuumize and finish, open the material pipe valve that soaks juice rotary drum 21 next doors, after juice was soaked in suction, hotwire 22 drove and soaks 21 rotations of juice rotary drum, soak juice rotary drum 21 rotation and make absorbent charcoal carrier and soak juice and soaked fully, equably juice 36-40 hour, soaking juice rotary drum rotating speed is 3-5 commentaries on classics/min;
(4) drain hole that will soak juice rotary drum 21 after soaking juice and finishing change control under the position, open the valve of drain hole, the good absorbent charcoal carrier that will soak juice is put into and is soaked juice separator tank 25 and filter, filter out soak juice by transferpump 27 deliver to soak juice and filter 26 vacuum filtrations after, turn back to soak in the juice Preparation tank 20 and utilize again;
(5). will fully soak juice at last and cross the filterable carrier baking oven 28 of packing into and send into catalyst activation stove 29, the intensification activation temperature is 540-560 ℃, is incubated 2-3 hour, is cooled to 150 ℃, places and opens baking oven after 1 hour, is as cold as the packing bag of packing into after the room temperature.
Embodiment 2
At first 1.6 parts of cerous nitrates, 8.7 parts of cupric nitrates, 18.9 parts of manganous nitrates, 0.6 part of zirconium nitrate, 0.6 part of Xiao Suangu, tap water are equipped to that to soak juice standby in soaking juice Preparation tank 20 for 69.6 parts, its preparation technology is the same with embodiment 1.
As shown in Figure 1, be the catalytic oxidation treatment of high concentration waste water process flow diagram, the system of catalytic oxidation treatment of high concentration waste water by waste water at storage tank 1, waste water pump 2, under meter 1, secondary filter 4, chlorine dioxide generator 5, acid storage tank 6, storage tank 7, injector 8, dioxide peroxide storage tank 9, recycle pump 10a, dioxide peroxide transferpump 10b, under meter 2 11, mixed flow device 12, air compressor machine 13, purolator 14, gas-holder 15, air flowmeter 16, catalyzed oxidation tower 17, current stabilizer 18 and tubular type neutralizer 19 are formed, waste water passes through waste water pump 2 at storage tank 1, under meter 1, secondary filter 4 is connected with mixed flow device 12, chlorine dioxide generator 5 is connected with storage tank 7 with sour storage tank 6, be connected with dioxide peroxide storage tank 9 by injector 8 simultaneously, dioxide peroxide storage tank 9 is by recycle pump 10a, dioxide peroxide transferpump 10b is connected with mixed flow device 12 with under meter 2 11, mixed flow device 12 is connected with catalyzed oxidation tower 17 tops, air compressor machine 13 is by purolator 14, gas-holder 15, air flowmeter 16 is connected with catalyzed oxidation tower 17 bottoms, and catalyzed oxidation tower 17 is connected with tubular type neutralizer 19 by current stabilizer 18.
The present invention carries out its method of catalytic oxidation treatment to fine chemistry industry waste water, resin wastewater, lemon yellow waste water, active dye wastewater, auxiliary agent hc effluent respectively:
(1) enters waste water at storage tank 1 through pretreated high-concentration waste water, send into secondary filter 4 by waste water pump 2 through under meter 1 and enter mixed flow device 12 again;
(2) stoste of sour storage tank 6 and storage tank 7 is imported chlorine dioxide generator 5 internal reactions respectively and is produced dioxide peroxide, by making aqueous solution of chlorine dioxide in the injector 8 importing dioxide peroxide storage tanks 9, its concentration is 1500mg/l, provide ejection function by recycle pump 10a during this time, guarantee certain negative pressure in the producer;
(3) pass through dioxide peroxide transferpump 10b with aqueous solution of chlorine dioxide input flow rate meter 2 11, mix the catalyzed oxidation tower 17 that the inflow bottom is placed with the composite catalyst of catalytic and oxidized treatment of three-phase waste water with high-concentration waste water through mixed flow device 12, carry out catalytic oxidation with air in the tower, the weight percent of aqueous solution of chlorine dioxide and high-concentration waste water is:
Aqueous solution of chlorine dioxide 48-51%
High-concentration waste water 48-53%
The interior air of catalyzed oxidation tower 17 towers is pressed into purolator 14 by air compressor machine 13 and enters in the gas-holder 15, and pressurized air enters air flowmeter 16 through catalyzed oxidation tower 17 bottoms through reducing valve, overflows the running status that constitutes three-phase oxidation from micro-hole aerator;
(4) the processing waste water that comes out of catalyzed oxidation tower 17 flows into current stabilizer 18, enters tubular type neutralizer 19 then the waste water pH7-8 that neutralizes is flowed into subsequent processing device again.
Below be this five kinds of waste water weight ratio prescriptions and the effect after catalytic oxidation treatment:
Claims (2)
1. the method for a catalytic oxidation treatment of high concentration waste water is characterized in that, uses the composite catalyst of catalytic and oxidized treatment of three-phase waste water to handle high-concentration waste water, and its method is:
(1) enters waste water in storage tank (1) through pretreated high-concentration waste water, send into secondary filter (4) through under meter one (3), enter mixed flow device (12) again by waste water pump (2);
(2) stoste of sour storage tank (6) and storage tank (7) is imported chlorine dioxide generator (5) internal reaction respectively and is produced dioxide peroxide, by making aqueous solution of chlorine dioxide in injector (8) the importing dioxide peroxide storage tank (9), its concentration is 1500mg/l, provide ejection function by recycle pump (10a) during this time, guarantee certain negative pressure in the producer;
(3) pass through dioxide peroxide transferpump (10b) with aqueous solution of chlorine dioxide input flow rate meter two (11), mix the catalyzed oxidation tower (17) that the inflow bottom is placed with the composite catalyst of catalytic and oxidized treatment of three-phase waste water with high-concentration waste water through mixed flow device (12), carry out catalytic oxidation with air in the tower, the weight percent of aqueous solution of chlorine dioxide and high-concentration waste water is:
Aqueous solution of chlorine dioxide 48-51%
High-concentration waste water 48-53%
The interior air of catalyzed oxidation tower (17) tower is pressed into purolator (14) by air compressor machine (13) and enters in the gas-holder (15), pressurized air enters the through catalyzed oxidation tower (17) of air flowmeter (16) bottom through reducing valve, overflows the running status that constitutes three-phase oxidation from micro-hole aerator;
(4) the processing waste water that comes out of catalyzed oxidation tower (17) flows into current stabilizer (18), enters tubular type neutralizer (19) then the waste water pH7-8 that neutralizes is flowed into subsequent processing device again.
2. the system of a catalytic oxidation treatment of high concentration waste water, it is characterized in that, by waste water in storage tank (1), waste water pump (2), under meter one (3), secondary filter (4), chlorine dioxide generator (5), acid storage tank (6), storage tank (7), injector (8), dioxide peroxide storage tank (9), recycle pump (10a), dioxide peroxide transferpump (10b), under meter two (11), mixed flow device (12), air compressor machine (13), purolator (14), gas-holder (15), air flowmeter (16), catalyzed oxidation tower (17), current stabilizer (18) and tubular type neutralizer (19) are formed, waste water passes through waste water pump (2) at storage tank (1), under meter one (3), secondary filter (4) is connected with mixed flow device (12), chlorine dioxide generator (5) is connected with storage tank (7) with sour storage tank (6), be connected with dioxide peroxide storage tank (9) by injector (8) simultaneously, dioxide peroxide storage tank (9) is by recycle pump (10a), dioxide peroxide transferpump (10b) is connected with mixed flow device (12) with under meter two (11), mixed flow device (12) is connected with catalyzed oxidation tower (17) top, air compressor machine (13) is by purolator (14), gas-holder (15), air flowmeter (16) is connected with catalyzed oxidation tower (17) bottom, and catalyzed oxidation tower (17) is connected with tubular type neutralizer (19) by current stabilizer (18).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102010083B (en) * | 2010-10-29 | 2012-09-19 | 福建微水环保技术有限公司 | Method for advanced treatment of waste water by four-phase catalytic oxidation |
| CN105174370A (en) * | 2015-10-13 | 2015-12-23 | 中国石油化工股份有限公司 | Method for treating oil-containing sewage by catalytic oxidation of chlorine dioxide |
| CN105417677A (en) * | 2015-12-25 | 2016-03-23 | 中国石油集团东北炼化工程有限公司吉林设计院 | Chlorine dioxide catalytically-oxidizing apparatus used for waste water treatment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059133A (en) * | 1991-07-22 | 1992-03-04 | 国营黄金管理局长春黄金研究所 | The catalystic oxidation activated carbon method of Treatment of Cyanide-containing Wastewater |
| US5643457A (en) * | 1992-12-25 | 1997-07-01 | Aktsionernoe Obschestvo Otkrytogo Tipa | Method for water recovery from atmosphere of habitable pressurized module |
| CN1569679A (en) * | 2003-07-18 | 2005-01-26 | 中国科学院大连化学物理研究所 | Method for catalytic oxidation treatment of anisole waste water |
| CN1876237A (en) * | 2005-06-10 | 2006-12-13 | 上海天丰环保科技有限公司 | Composite catalyst for catalytic and oxidized treatment of three-phase waste water |
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- 2005-06-10 CN CN2005100266701A patent/CN1876577B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1059133A (en) * | 1991-07-22 | 1992-03-04 | 国营黄金管理局长春黄金研究所 | The catalystic oxidation activated carbon method of Treatment of Cyanide-containing Wastewater |
| US5643457A (en) * | 1992-12-25 | 1997-07-01 | Aktsionernoe Obschestvo Otkrytogo Tipa | Method for water recovery from atmosphere of habitable pressurized module |
| CN1569679A (en) * | 2003-07-18 | 2005-01-26 | 中国科学院大连化学物理研究所 | Method for catalytic oxidation treatment of anisole waste water |
| CN1876237A (en) * | 2005-06-10 | 2006-12-13 | 上海天丰环保科技有限公司 | Composite catalyst for catalytic and oxidized treatment of three-phase waste water |
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Effective date of registration: 20180426 Address after: No. 828, De Yuan Road, Nanxiang Town, Shanghai, Shanghai Patentee after: Shanghai Tianfeng Environmental Protection Co., Ltd. Address before: No. 828, De Yuan Road, Nanxiang Town, Shanghai, Shanghai Patentee before: Shanghai Tianfeng Environmental Protection Technology Co., Ltd. |