CN2647845Y - Coking waste water disposal device - Google Patents
Coking waste water disposal device Download PDFInfo
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- CN2647845Y CN2647845Y CNU2003201148431U CN200320114843U CN2647845Y CN 2647845 Y CN2647845 Y CN 2647845Y CN U2003201148431 U CNU2003201148431 U CN U2003201148431U CN 200320114843 U CN200320114843 U CN 200320114843U CN 2647845 Y CN2647845 Y CN 2647845Y
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
A coking waste water treating plant, including an anaerobic fluidized bed reactor, an oxygen-deficient fluidized bed reactor, an aeration tank, a sedimentation pond, above pipeline of unit and a valve and a transfer pump installed on the pipeline are connected, above each unit is connected in series, a sludge backflow pipe is connected to the sedimentation pond and the aeration tank, a water backflow pipe is connected to the sedimentation pond and the oxygen-deficient fluidized bed reactor. The anaerobic fluidized bed reactor consists of a vessel body, a top cover, a water distributor, a three states separator and an animalcule permanent carrier essentially; the oxygen-deficient fluidized bed reactor consists of a columnar opening vessel, the water distributor, three states separator, animalcule permanent carrier and a guiding flow component essentially. This treating plant may be used for treating coking waste water that the concentration ofammonia and nitrogen reaches as high as the 500 to 600mg/L, after treating, the concentration of the ammonia and nitrogen in water can be less than 15mg/L, and at the same time, the operational cost is only 1/2 of the expense by using the A2/O process to treat coking waste water.
Description
Technical field
The utility model belongs to the Treatment of Coking Effluent device, the particularly a kind of anaerobic-anoxic-matching used device of aerobic coking waste water treatment process.
Background technology
Coking chemical waste water is because of containing phenol, ammonia nitrogen, prussiate, sulfide, tar, naphthalene etc., and its complicated component is changeable, is a kind of trade effluent of intractable.Existing coking waste water treatment method mainly contains chemical method, physics method, biological process, and biological process is because of its processing cost is low, be up to now Treatment of Coking Effluent the most effective, also be most widely used method.In the biological process, anaerobic-aerobic (A/O), anaerobic-anoxic-aerobic (A
2/ O) and other combination procesies be considered to the better technology of coking wastewater biological denitrificaion.Above-mentioned implementation of processes, requiring has supporting device, and in the Treatment of Coking Effluent device, core cell is a reactor.Aspect reactor, sequencing batch active sludge reactor (SBR), integrated film-sequence bioreactor (SMSBR), aerobic fluidized bed reactor, blodisc (RBC) reactor, fixed-bed reactor are arranged, add the fixed-film reactor of semi soft packing etc., but with above-mentioned reactor directly as with anaerobic-anoxic-aerobic (A
2/ O) when the anaerobism in the treatment unit of process matching, anoxic reacter, have then that system's influent ammonium concentration is lower (to require water inlet NH
3During-N≤250mg/L, water outlet just can reach NH
3The problem of-N≤15mg/L), therefore, coking chemical waste water must carry out Macrodilution to guarantee water inlet NH before entering biological treatment system
3-N≤250mg/L, system's ability steady running, this causes system throughput to increase, and processing cost is higher, and the engineering that has had a strong impact on the coking wastewater biological denitrificaion technology is applied.
" coking chemical waste water organism fluidization bed system denitrogenation pilot scale research " (poplar equality, environmental engineering, the 20th the 4th phase of volume of August in 2002, P14～17) disclose a kind of A
1-A
2-O (anaerobic-anoxic-aerobic) technology, make bio-reactor and be used for the anoxic section and the anaerobism section though when introducing this technology, mentioned, disclosed for concrete structure anaerobic fluidized bed, anoxic fluidized bed bio reactor with anaerobic fluidized bed, anoxic fluidized-bed.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of and anaerobic-anoxic-aerobic (A
1-A
2-O) the supporting Treatment of Coking Effluent device of coking waste water treatment process, this kind treatment unit not only treatment effect is good, and can reduce floor space, reduces running cost and processing costs.
The technical solution of the utility model is: reduce the basic structural unit of treatment unit as far as possible, and anaerobism, anoxic section reactor are optimized design.The Treatment of Coking Effluent device that is provided comprises the pipeline of anaerobic fluidized bed reactor, anoxic fluidized-bed reactor, aeration tank, settling tank, connection said units and is installed in valve and infusion pump on the pipeline; Anaerobic fluidized bed reactor, anoxic fluidized-bed reactor, aeration tank, settling tank are connected in series, and settling tank and aeration tank are connected with mud return line, and settling tank and anoxic fluidized-bed reactor are connected with the backflow water pipe.
The concrete structure of anaerobic fluidized bed reactor and anoxic fluidized-bed reactor is as follows:
Anaerobic fluidized bed reactor mainly is made of container body, upper cover lid, water distributor, triphase separator and microorganism immobilization carrier, water distributor, triphase separator and microorganism immobilization carrier all are positioned at container body, water distributor is installed in the bottom of container body, triphase separator is installed in the middle and upper part of container body, the microorganism immobilization carrier is distributed between water distributor and the triphase separator, and the wall of container on upper cover lid and/or container body top is provided with vapor pipe.
The anoxic fluidized-bed reactor is mainly by tubular open type container, water distributor, triphase separator, microorganism immobilization carrier and air guide constitute, water distributor, triphase separator, microorganism immobilization carrier and air guide all are positioned at container, air guide is the cylindrical body that is complementary with container, be installed in the lower section of container, water distributor is installed in the bottom of container and is positioned at the zone that air guide surrounds, the microorganism immobilization carrier was distributed in space that air guide and wall of container surround and the space that air guide surrounded, and triphase separator is installed in the upper segment of container.
Enter the flow and the water quality of the coking chemical waste water of anoxic fluidized-bed reactor for the ease of adjusting, the backflow storage tank can also be set, this backflow storage tank is connected between anaerobic fluidized bed reactor and the anoxic fluidized-bed reactor; If be provided with the backflow storage tank, an end of the water pipe that then refluxes is connected with the rising pipe of settling tank, and the other end is connected with the backflow storage tank.
In order to make water distribution even, improve reactor efficiency, designed the water distributor of different structure according to the reaction characteristics of anaerobism section and anoxic section.The water distributor of being installed in the anaerobic fluidized bed reactor is made of the water distribution person in charge, water distribution branch pipe, water distribution is responsible for cross arrangement and is formed a plurality of zones, its end is connected with the container body inwall, water distribution branch pipe has many, in being responsible for formed each zone, water distribution is arranged in parallel, the one end is responsible for water distribution and is connected, and its other end is connected with a tube support that is fixed on the container body inwall, and each water distribution branch pipe is provided with posticum towards a side of container body bottom.The water distributor of being installed in the anoxic fluidized-bed reactor is the ring-type water distributor, and this ring-type water distributor is installed on the supporting member that is connected with air guide, and its upper side is provided with posticum.
In order to improve the microbial biomass in the anoxic fluidized-bed reactor and to prevent microorganism immobilization carrier particle outflow reactor, the triphase separator of being installed in the anoxic fluidized-bed reactor is by the cylindrical body that is complementary with container and be positioned at the intravital suspension fibrous packing of tubular and constitute, and the barrel of cylindrical body is provided with posticum.
In order to make the better and minimizing floor space of denitrification effect, also taked following technical measures:
1, the container body that will constitute anaerobic fluidized bed reactor is designed to cylinder, and its aspect ratio is 3～5.
2, the tubular open type Vessel Design that will constitute the anoxic fluidized-bed reactor is the cylinder of upper segment diameter greater than the lower section diameter, and the aspect ratio of the cylinder that the lower section diameter is less is 2～5.
3, the sectional area of the air guide in the anoxic fluidized-bed reactor equals the sectional area of the annular space that air guide and container inner wall surround.
4, the microorganism immobilization carrier in the anaerobic fluidized bed reactor is selected polyacrylate(s), methyl methacrylate class porous polymer polymkeric substance or a material gac for use, and the microorganism immobilization carrier in the anoxic fluidized-bed reactor is selected microcapsules with porous membranes carrier or polyacrylate(s), methyl methacrylate class porous polymer polymkeric substance for use.
The utlity model has following beneficial effect:
1, can be used for handling coking chemical waste water (the general A of ammonia nitrogen concentration up to 500～600mg/L
2Its influent ammonium concentration can not surpass 250mg/L during/O art breading coking chemical waste water), the water outlet ammonia nitrogen concentration is less than 15mg/L after treatment, and simultaneously, working cost only is general A
21/2 of/O technology equipment therefor Treatment of Wastewater in Coking expense.
2, because anaerobic fluidized bed reactor has rational structure, effectively improved the biodegradability of waste water, effectively reduced the toxicity of waste water, for subsequent technique is handled the good condition of having created to microorganism.
3, because the anoxic fluidized-bed reactor is provided with the reasonable mounting arrangement of air guide and air guide and water distributor, can make processed waste water and microbe carrier carry out internal recycle, effective like this mixing mass transfer condition that improved is difficult for taking place the carrier demixing phenomenon.
4, the water distributor structure that is adopted in the anaerobic fluidized bed reactor can be implemented in that whole cross section disperses the multiple spot water distribution and down to the backpulsing water distribution, thereby can avoid stopping up, and prevents channel, and it is more even that solid-liquid in the reactor is mixed, and helps improving reactor efficiency.
5, the ring-type water distributor that is adopted in the anoxic fluidized-bed reactor is not only simple in structure, and water distribution is even, helps improving reactor efficiency.
6, the triphase separator that is adopted in the anoxic fluidized-bed reactor is not only simple in structure, and its suspended fiber bundles filler can effectively improve the microbial biomass in the reactor, prevents microorganism immobilization carrier particle outflow reactor.
7, owing to anaerobism, anoxic fluidized-bed reactor adopt the big vertical structure of aspect ratio, thereby reduced floor space, the floor space of entire treatment device only is 1/5 of the used treatment unit floor space of conventional treatment method.
8, because the immobilization effect of the microorganism immobilization carrier in anaerobic fluidized bed reactor and the anoxic fluidized-bed reactor is good, the granule strength height, thereby germs collect density height on the carrier, biochemical reaction speed improves, the reactor waterpower residence time shortens, anti-coking chemical waste water load impact ability and toxicity impact capacity improve, and the transition environmental compatibility strengthens, and the nutrition that system need add is few.
9. porous polymer monolith, microcapsule carrier sphericity height, density are little, thereby carrier granule is easy to fluidization, makes anaerobic fluidized bed reactor external reflux amount little, and anoxic fluidized-bed reactor internal recycle amount is little, can effectively reduce the energy consumption of treatment unit, reduce running cost.
Description of drawings
Fig. 1 is a kind of structure diagram of Treatment of Coking Effluent device provided by the utility model;
Fig. 2 is another structure diagram of Treatment of Coking Effluent device provided by the utility model
Fig. 3 is a kind of structure iron of anaerobic fluidized bed reactor;
Fig. 4 is a kind of structure iron of anoxic fluidized-bed reactor;
Fig. 5 is a kind of structure iron of the used water distributor of anaerobic fluidized bed reactor;
Fig. 6 is a kind of structure iron of the used water distributor of anoxic fluidized-bed reactor;
Fig. 7 is the vertical view of Fig. 6.
Among the figure, 1-coking chemical waste water water inlet pipe, 2-anaerobic fluidized bed reactor, 3-anoxic fluidized-bed reactor, 4-aeration tank, 5-settling tank, 6-escape pipe, 7-vapor pipe, 8-valve, 9-infusion pump, 10-under meter, 11-air water inlet pipe, 12-mud return line, 13-backflow water pipe, 14-blow-down pipe, 15-backflow storage tank, 16-microorganism immobilization carrier, 17-return line, 18-rising pipe, 19-triphase separator, 20-container body, 21-water distributor, 22-bearing, 23-upper cover lid, 24-triphase separator, 25-microorganism immobilization carrier, 26-water distributor, 27-water inlet pipe, 28-container, 29-air guide, 30-suspension fibrous packing, 31-rising pipe, 32-water distribution branch pipe, a 33-tube support, 34-water distribution is responsible for, 35-ring-type water distributor, 36-supporting member.
Embodiment
Embodiment 1:
The structure of the Treatment of Coking Effluent device in the present embodiment as shown in Figure 1, elementary cell has anaerobic fluidized bed reactor 2, anoxic fluidized-bed reactor 3, aeration tank 4 (aeration tank is conventional aerobic reactor), settling tank 5, and above-mentioned elementary cell is connected in series by pipe fitting; The fluid inlet of anaerobic fluidized bed reactor 2 is connected with coking chemical waste water water inlet pipe 1, and the blow-down pipe 1 that is equipped with valve 8 has been installed in its bottom; Settling tank 5 is connected with mud return line 12 with aeration tank 4, and settling tank 5 is connected with backflow water pipe 13 with anoxic fluidized-bed reactor 3, and the bottom of aeration tank 4 is equipped with air water inlet pipe 11; Valve 8, infusion pump 9, under meter 10 or valve 8, infusion pump 9 are installed on the pipe fitting of the elementary cell that is connected in series and coking chemical waste water water inlet pipe 1, mud return line 12, the backflow water pipe 13.
The structure of the anaerobic fluidized bed reactor 2 in this treatment unit is made of bearing 22, water distributor 21, triphase separator 19 and the microorganism immobilization carrier 16 of container body 20, upper cover lid 23, support vessels main body as shown in Figure 3; Water distributor, triphase separator and microorganism immobilization carrier all are positioned at container body, water distributor is installed in the bottom of container body, triphase separator is installed in the middle and upper part of container body, the microorganism immobilization carrier is distributed between water distributor and the triphase separator, and the wall of container on upper cover lid and container body top is provided with vapor pipe 7.Container body 20 is a cylinder, is that carbon steel, liner are that stainless compound steel plate is made by carbon steel steel plate or skin, and its aspect ratio is 4, and the internal diameter of upper cover lid 23 and the external diameter of container body 20 are complementary; Triphase separator 19 is made of the cone-shaped body that is provided with in simplified and the cylindrical shell; The structure of water distributor 21 as shown in Figure 5, constitute by the water distribution person in charge 34, water distribution branch pipe 32, water distribution is responsible for 34 cross arrangements and is formed four zones, its end is connected with the container body inwall, water distribution branch pipe 32 has many, is arranged in parallel in water distribution is responsible for formed four zones, and the one end is responsible for water distribution and is connected, its the other end is connected with a tube support 33 that is fixed on the container body inwall, and each water distribution branch pipe is provided with posticum towards a side of container body bottom; Microorganism immobilization carrier 16 is selected polyacrylate(s) porous polymer polymkeric substance for use, and the carrier granule particle diameter is 0.3～0.5mm.
The structure of the anoxic fluidized-bed reactor 3 in this treatment unit mainly is made of tubular open type container 28, water distributor 26, triphase separator 24, microorganism immobilization carrier 25 and air guide 29 as shown in Figure 4; Water distributor, triphase separator, microorganism immobilization carrier and air guide all are positioned at container, air guide 29 is the cylindrical body that is complementary with container, be installed in the lower section of container, water distributor 26 is installed in the bottom of container and is positioned at the zone that air guide 29 is surrounded, microorganism immobilization carrier 24 was distributed in space that air guide and wall of container surround and the space that air guide surrounded, and triphase separator 24 is installed in the upper segment of container.Tubular open type container 28 is the cylinder of upper segment diameter greater than the lower section diameter, by carbon steel steel plate or skin is that carbon steel, liner are that stainless compound steel plate is made, the aspect ratio of the cylinder that its underpart section diameter is less is 3, the height and the triphase separator of its upper segment are complementary, and the diameter of upper segment is 1.5 times of lower section diameter; Triphase separator 24 is by with the container cylinder be positioned at the intravital suspension fibrous packing of cylinder and constitute, and the diameter of cylinder is identical with the diameter of the lower section of container 28, and its barrel is provided with posticum, and the fibrous packing material is a polyvinyl; The sectional area of air guide 29 equals the sectional area of the annular space that air guide 29 and container 28 inwalls are surrounded; The structure of water distributor 26 such as Fig. 6, shown in Figure 7 are ring-type water distributor 35, and this ring-type water distributor is installed on the supporting member 36 that is connected with air guide 29, and its upper side is provided with posticum; Microorganism immobilization carrier 25 is selected the microcapsules with porous membranes carrier for use, and the material that forms microcapsule membrane is polyamide-based macromolecular material, and 2～5 times of microorganism cells size are got in microcapsule carrier fenestra aperture, and particle is got 0.5～2mm.
The workflow of the Treatment of Coking Effluent device in the present embodiment is: coking chemical waste water pumps into anoxic fluidized-bed reactor 3 after anaerobic fluidized bed reactor 2 is handled, waste water gravity flow after the anoxic fluidized bed processing enters aeration tank 4, wastewater supernatant fluid after handle aeration tank 4 is partly flow automatically and is entered settling tank 5, sedimentary mud flows to aeration tank 4 with blowback in the settling tank 5, the outer discharge for the treatment of water part system after up to standard, a part is back to the concentration that anoxic fluidized-bed reactor 2 is regulated pending waste water, and sedimentary excess sludge drains into sludge treating system.Total hrt is 36～42h during this treater steady running, and the hydraulic detention time of anaerobic fluidized bed reactor 2 is 8～10h, and anoxic fluidized-bed reactor 3 hydraulic detention times are 10～12h, aeration tank 4 hydraulic detention times, 18～20h; The operation continuously in 24 hours of this treater adopts the PLC Controlling System to control automatically.
Embodiment 2:
The structure of the Treatment of Coking Effluent device in the present embodiment as shown in Figure 2, difference from Example 1 is to have increased elementary cell backflow storage tank 15, this backflow storage tank is connected between anaerobic fluidized bed reactor 2 and the anoxic fluidized-bed reactor 3; Be complementary therewith, an end of backflow water pipe 13 is connected with the rising pipe 6 of settling tank 5, and the other end is connected with backflow storage tank 15.
The anaerobic fluidized bed reactor 2 in this Treatment of Coking Effluent device and the structure of anoxic fluidized-bed reactor 3 are substantially the same manner as Example 1, and different is: the aspect ratio of the container body 20 of anaerobic fluidized bed reactor 2 is 5; Microorganism immobilization carrier 16 is selected granulated active carbon for use.The aspect ratio of the cylinder that anoxic fluidized-bed reactor 3 lower section diameters are less is 4, and microorganism immobilization carrier 25 is selected methyl methacrylate class porous polymer polymkeric substance for use, and the carrier granule particle diameter is 0.3～0.5mm.
Claims (9)
1, a kind of Treatment of Coking Effluent device, comprise anaerobic fluidized bed reactor (2), anoxic fluidized-bed reactor (3), aeration tank (4), settling tank (5), connect the pipeline of said units and be installed in valve (8) and infusion pump (9) on the pipeline, anaerobic fluidized bed reactor, anoxic fluidized-bed reactor, aeration tank, settling tank are connected in series, settling tank (5) is connected with mud return line (12) with aeration tank (4), settling tank (5) is connected with backflow water pipe (13) with anoxic fluidized-bed reactor (3), it is characterized in that:
Anaerobic fluidized bed reactor (2) is mainly by container body (20), upper cover lid (23), water distributor (21), triphase separator (19) and microorganism immobilization carrier (16) constitute, water distributor, triphase separator and microorganism immobilization carrier all are positioned at container body, water distributor is installed in the bottom of container body, triphase separator is installed in the middle and upper part of container body, the microorganism immobilization carrier is distributed between water distributor and the triphase separator, the wall of container on upper cover lid and/or container body top is provided with vapor pipe (7)
Anoxic fluidized-bed reactor (3) is mainly by tubular open type container (28), water distributor (26), triphase separator (24), microorganism immobilization carrier (25) and air guide (29) constitute, water distributor, triphase separator, microorganism immobilization carrier and air guide all are positioned at container, air guide (29) is the cylindrical body that is complementary with container, be installed in the lower section of container, water distributor (26) is installed in the bottom of container and is positioned at the zone that air guide (29) is surrounded, microorganism immobilization carrier (24) was distributed in space that air guide and wall of container surround and the space that air guide surrounded, and triphase separator (24) is installed in the upper segment of container.
2, Treatment of Coking Effluent device according to claim 1, it is characterized in that also being provided with backflow storage tank (15), the backflow storage tank is connected between anaerobic fluidized bed reactor (2) and the anoxic fluidized-bed reactor (3), one end of backflow water pipe (13) is connected with the rising pipe (6) of settling tank (5), and the other end is connected with backflow storage tank (15).
3, Treatment of Coking Effluent device according to claim 1 and 2, the water distributor (21) that it is characterized in that being installed in the anaerobic fluidized bed reactor (2) is by the water distribution person in charge (34), water distribution branch pipe (32) constitutes, water distribution is responsible for (34) cross arrangement and is formed a plurality of zones, its end is connected with the container body inwall, water distribution branch pipe (32) has many, in being responsible for formed each zone, water distribution is arranged in parallel, the one end is responsible for water distribution and is connected, its the other end is connected with a tube support (33) that is fixed on the container body inwall, and each water distribution branch pipe is provided with posticum towards a side of container body bottom.
4, Treatment of Coking Effluent device according to claim 1 and 2, it is characterized in that the water distributor of being installed in the anoxic fluidized-bed reactor (3) (26) is a ring-type water distributor (35), this ring-type water distributor is installed on the supporting member (36) that is connected with air guide (29), and its upper side is provided with posticum.
5, Treatment of Coking Effluent device according to claim 1 and 2, it is characterized in that the triphase separator (24) installed in the anoxic fluidized-bed reactor (3) by the cylindrical body that is complementary with container be positioned at the intravital suspension fibrous packing of tubular and constitute, the barrel of cylindrical body is provided with posticum.
6, Treatment of Coking Effluent device according to claim 1 and 2, the container body (20) that it is characterized in that constituting anaerobic fluidized bed reactor (2) is a cylinder, its aspect ratio is 3～5.
7, Treatment of Coking Effluent device according to claim 1 and 2, it is characterized in that the tubular open type container (28) that constitutes anoxic fluidized-bed reactor (3) is the cylinder of upper segment diameter greater than the lower section diameter, the aspect ratio of the cylinder that the lower section diameter is less is 2～5.
8, Treatment of Coking Effluent device according to claim 1 and 2 is characterized in that the sectional area of the air guide (29) in the anoxic fluidized-bed reactor (3) equals the sectional area of air guide (29) and container (28) annular space that inwall surrounded.
9, Treatment of Coking Effluent device according to claim 1 and 2, it is characterized in that the microorganism immobilization carrier (16) in the anaerobic fluidized bed reactor (2) is polyacrylate(s), methyl methacrylate class porous polymer polymkeric substance or a material gac, the microorganism immobilization carrier (25) in the anoxic fluidized-bed reactor (3) is microcapsules with porous membranes carrier or polyacrylate(s), methyl methacrylate class porous polymer polymkeric substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201148431U CN2647845Y (en) | 2003-10-20 | 2003-10-20 | Coking waste water disposal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2003201148431U CN2647845Y (en) | 2003-10-20 | 2003-10-20 | Coking waste water disposal device |
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| Publication Number | Publication Date |
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| CN2647845Y true CN2647845Y (en) | 2004-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2003201148431U Expired - Fee Related CN2647845Y (en) | 2003-10-20 | 2003-10-20 | Coking waste water disposal device |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100503485C (en) * | 2007-06-27 | 2009-06-24 | 同济大学 | Impact-resistant multiplication combined type coking waste water treatment process |
| CN101054234B (en) * | 2007-04-28 | 2010-07-07 | 河北科技大学 | Upflow type anaerobic reactor |
| CN101781067A (en) * | 2010-03-23 | 2010-07-21 | 哈尔滨工业大学 | Method for treating coking wastewater |
| CN101792224A (en) * | 2010-03-30 | 2010-08-04 | 上海华畅环保设备发展有限公司 | Method and device for processing emptied water of delayed coking |
| CN101811785A (en) * | 2010-04-13 | 2010-08-25 | 上海华畅环保设备发展有限公司 | Method and device for delaying coking unwatering cyclone decoking |
| CN101870518A (en) * | 2010-07-19 | 2010-10-27 | 江苏泽宇环境工程有限公司 | CAFT efficient anaerobe reactor for treating sewage |
| CN102583737A (en) * | 2012-02-13 | 2012-07-18 | 山西太钢不锈钢股份有限公司 | Method for processing coking sludge |
| CN103253831B (en) * | 2013-05-09 | 2014-09-24 | 中国矿业大学(北京) | Heterogeneous catalysis Fenton reagent oxidation fluidized bed-anaerobic biological fluidized bed coking wastewater deep treatment system |
| CN105800865A (en) * | 2015-01-15 | 2016-07-27 | 黎明兴技术顾问股份有限公司 | Wastewater treatment system |
| CN105967441A (en) * | 2016-06-01 | 2016-09-28 | 成都友益佳环保设备工程有限公司 | Sewage treatment system and method |
| CN106430577A (en) * | 2016-09-18 | 2017-02-22 | 四川森涛科技有限公司 | Waste and sewage treatment system |
| CN106698655A (en) * | 2015-11-18 | 2017-05-24 | 中国石油化工股份有限公司 | Wastewater denitrification nitrogen removal treatment device and method |
-
2003
- 2003-10-20 CN CNU2003201148431U patent/CN2647845Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054234B (en) * | 2007-04-28 | 2010-07-07 | 河北科技大学 | Upflow type anaerobic reactor |
| CN100503485C (en) * | 2007-06-27 | 2009-06-24 | 同济大学 | Impact-resistant multiplication combined type coking waste water treatment process |
| CN101781067A (en) * | 2010-03-23 | 2010-07-21 | 哈尔滨工业大学 | Method for treating coking wastewater |
| CN101792224A (en) * | 2010-03-30 | 2010-08-04 | 上海华畅环保设备发展有限公司 | Method and device for processing emptied water of delayed coking |
| CN101811785A (en) * | 2010-04-13 | 2010-08-25 | 上海华畅环保设备发展有限公司 | Method and device for delaying coking unwatering cyclone decoking |
| CN101870518A (en) * | 2010-07-19 | 2010-10-27 | 江苏泽宇环境工程有限公司 | CAFT efficient anaerobe reactor for treating sewage |
| CN102583737A (en) * | 2012-02-13 | 2012-07-18 | 山西太钢不锈钢股份有限公司 | Method for processing coking sludge |
| CN103253831B (en) * | 2013-05-09 | 2014-09-24 | 中国矿业大学(北京) | Heterogeneous catalysis Fenton reagent oxidation fluidized bed-anaerobic biological fluidized bed coking wastewater deep treatment system |
| CN105800865A (en) * | 2015-01-15 | 2016-07-27 | 黎明兴技术顾问股份有限公司 | Wastewater treatment system |
| CN106698655A (en) * | 2015-11-18 | 2017-05-24 | 中国石油化工股份有限公司 | Wastewater denitrification nitrogen removal treatment device and method |
| CN105967441A (en) * | 2016-06-01 | 2016-09-28 | 成都友益佳环保设备工程有限公司 | Sewage treatment system and method |
| CN106430577A (en) * | 2016-09-18 | 2017-02-22 | 四川森涛科技有限公司 | Waste and sewage treatment system |
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