CN105036458A - Wastewater treatment process adopting porous filler to fix dominant bacteria - Google Patents
Wastewater treatment process adopting porous filler to fix dominant bacteria Download PDFInfo
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- CN105036458A CN105036458A CN201510342914.0A CN201510342914A CN105036458A CN 105036458 A CN105036458 A CN 105036458A CN 201510342914 A CN201510342914 A CN 201510342914A CN 105036458 A CN105036458 A CN 105036458A
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Abstract
The invention discloses a wastewater treatment process adopting a porous filler to fix dominant bacteria. The wastewater treatment process comprises the following steps: (1) performing slag separation, sand setting and oil removal on wastewater; (2) adjusting the pH value of wastewater; (3) enabling wastewater of which the pH is adjusted to enter a tertiary facultative tank to be subjected to tertiary treatment; (4) enabling water getting out of the facultative tank to enter a pre-aeration tank; (5) enabling water getting out of the pre-aeration tank to enter a first-section aerobic tank; (6) enabling water getting out of the first-section aerobic tank to enter an intermediate sedimentation tank; (7) enabling water getting out of the intermediate sedimentation tank to enter a second-section/third-section aerobic tank; (8) enabling water getting out of the second-section/third-section aerobic tank to sequentially enter a coagulating sedimentation reaction tank, an inclined-tube sedimentation tank and a sand filter to be treated and then discharged in a standard manner. The wastewater treatment process provided by the invention can realize continuous treatment of organic wastewater and has a good treatment effect.
Description
Technical field
The present invention relates to protruded packing and fix dominant bacteria waste water treatment process.
Background technology
The technique of sewage disposal started in 20 end of the centurys, there are huge progress and development till now, day by day become an important ring of social development, but along with the develop rapidly of China's economic, environmental pollution is also day by day serious, also day by day improves the requirement of sewage disposal, conventional sewage treatment process is difficult to meet the new sewage drainage standard of adaptation gradually, need on original Process ba-sis, find or build new sewage treatment process, thus improve wastewater treatment efficiency.
In prior art, sewage treatment process is mainly divided into following several:
A, Physical: comprise the precipitator method, filtration method, oil removal method, By Bubble-floating Method, centrifugal separation, magneticseparation method; General, for being rich in the sewage of microorganism or being rich in the sewage of heavy metal ion, Physical is DeGrain often;
B, chemical method: comprise coagulating sedimentation, neutralization, redox etc., mainly utilize the chemical substance added to flocculate to the pollutent in sewage or and sewage in pollutant reaction form precipitation and remove;
C, physico-chemical processes: comprise absorption method, ion exchange method, stripping and air lift, extraction process etc.;
D, biological process: comprise the bioremediation (as land treatment systems, stabilization pond etc.) under activated sludge process (comprise SBR method, CASS method, AO method, AAO method, oxidation ditch process not only), biomembrance process (but also comprising blodisc, biological contact oxidation pond, biological filter), Anaerobic biotreatment method (comprising anaerobic digestion, hydrolysis acidification pool, UASB etc.), natural condition.
Above-described method, single use does not often prove effective, or effect is not remarkable, and especially for the organic waste water of complexity, single method, is difficult to the significantly reduction realizing the indexes such as COD, BOD, TN, TP, colourity.
Need a kind of method for processing organic wastewater preferably of exploitation badly, can purify waste water more thoroughly, to meet the emission request of increasingly stringent.
Summary of the invention
Protruded packing is the object of the present invention is to provide to fix dominant bacteria waste water treatment process.
The technical solution used in the present invention is:
Dominant bacteria waste water treatment process fixed by protruded packing, comprises step:
1) sewage is carried out every slag, sand setting, oil removal treatment;
2) pH value of sewage is regulated;
3) sewage after regulating pH enters three grades of oxygen compatibility pools and carries out tertiary treatment; Wherein first step oxygen compatibility pool, second stage oxygen compatibility pool establish combined stuffing; Third stage oxygen compatibility pool establishes inclined tube filler, to remove mud and the microbial metabolites of the generation of double oxygen process;
4) oxygen compatibility pool water outlet enters preaeration tank, by preaeration, is oxidized by the material of some reduction-state in waste water;
5) preaeration tank water outlet enters one section of Aerobic Pond; One section of Aerobic Pond adopts protruded packing, and protruded packing growing load has multiple-microorganism;
6) one section of Aerobic Pond water outlet enters intermediate sedimentation pond, to carry out mud-water separation, removes leading portion aerobic microbiological meta-bolites;
7) water outlet of intermediate sedimentation pond enters two sections/tri-sections Aerobic Ponds; Establish protruded packing in two sections/tri-sections Aerobic Ponds, protruded packing growing load has multiple-microorganism;
8) two sections/tri-sections Aerobic Pond water outlets enter coagulating sedimentation reaction tank, tube settler and sand filter process, qualified discharge successively.
Step 2) in, regulate pH to 8.0 ~ 9.5.
In step 3), three grades of oxygen compatibility pools all adopt mud bed gravity water distribution.
In step 3), Sludge Bed Altitude control is at 1-2m.
In step 4), the time controling of preaeration is at 1-2h.
In step 5), Aerobic Pond gas-water ratio controls 15 ~ 20.
Step 5), 7) in, protruded packing particle diameter 30-80mm, specific surface area>=5cm
2/ cm
3.
In step 6), the intermediate sedimentation pond residence time controls at 0.5-1.5h.
Step 5), 7) in, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, dominant bacteria needs natural selection proper site biofilm formation growth according to own growth, thus on protruded packing, grow load multiple-microorganism.
Step 8) is specially: two sections/tri-sections Aerobic Pond water outlets enter coagulation reaction tank, Xiang Shuizhong adds Tai-Ace S 150, after abundant hybrid reaction 15-30min, then adds the abundant hybrid reaction 15-30min of PAM, tube settler and sand filter process is entered again, qualified discharge after having reacted.
The invention has the beneficial effects as follows:
Treatment process of the present invention can realize process continuously to organic waste water, and treatment effect is good.
Specifically:
The present invention adopts protruded packing to fix dominant bacteria and processes continuously organic waste water, can the problem such as toleragen water variation water quality, the present invention is that the dominant bacteria inoculation of cultivating according to the characteristic screening that will process waste water is fixed on protruded packing, due to the uneven hole of filling surface, multiple growing environment can be provided for microorganism, utilize embedding, the multiple technique for fixing such as absorption by Microorganism incubation in protruded packing, for different microorganisms provides suitable growth environment, enrich microbial population, microbial ecosystem is made to form dominant microflora, extremely strong adaptability is had to the fluctuation of Organic Pollutants in Wastewater and kind change, improve processing efficiency and save running cost:
1, treatment process is ripe, system run all right;
2, treatment effect is good, and effluent quality is good, COD
crand BOD
5clearance is high, good decolorizing effect;
3, limber up period is short, and adding of dominant bacteria obviously can shorten initial failure period;
4, processing efficiency is high, and less, sludge quantity is few for dosing kind and amount;
5, running cost is low, lower than the working cost of common process by more than 20%;
6, anti impulsion load, can intermittent operation.
Embodiment
Dominant bacteria waste water treatment process fixed by protruded packing, comprises step:
1) sewage is carried out every slag, sand setting, oil removal treatment;
2) pH value of sewage is regulated;
3) sewage after regulating pH enters three grades of oxygen compatibility pools and carries out tertiary treatment; Wherein first step oxygen compatibility pool, second stage oxygen compatibility pool establish combined stuffing; Third stage oxygen compatibility pool establishes inclined tube filler, to remove mud and the microbial metabolites of the generation of double oxygen process;
4) oxygen compatibility pool water outlet enters preaeration tank, by preaeration, is oxidized by the material of some reduction-state in waste water;
5) preaeration tank water outlet enters one section of Aerobic Pond; One section of Aerobic Pond adopts protruded packing, and protruded packing growing load has multiple-microorganism;
6) one section of Aerobic Pond water outlet enters intermediate sedimentation pond, to carry out mud-water separation, removes leading portion aerobic microbiological meta-bolites;
7) water outlet of intermediate sedimentation pond enters two sections/tri-sections Aerobic Ponds; Establish protruded packing in two sections/tri-sections Aerobic Ponds, protruded packing growing load has multiple-microorganism;
8) two sections/tri-sections Aerobic Pond water outlets enter coagulating sedimentation reaction tank, tube settler and sand filter process, qualified discharge successively.
Preferably, in step 1), sewage is carried out carry out for adopting oil separation grit chamber every slag, sand setting, oil removing simultaneously.
Preferably, step 2) in, regulate pH to 8.0 ~ 9.5.
Preferably, in step 3), three grades of oxygen compatibility pools all adopt mud bed gravity water distribution.
Preferably, in step 3), Sludge Bed Altitude control is at 1-2m.
Preferably, in step 4), the time controling of preaeration is at 1-2h.
Preferably, in step 5), Aerobic Pond gas-water ratio controls 15 ~ 20.
Preferably, step 5), 7) in, protruded packing particle diameter 30-80mm, specific surface area>=5cm
2/ cm
3; Preferred further, protruded packing particle diameter 30-80mm, specific surface area is 5-20cm
2/ cm
3.
Preferably, in step 6), the intermediate sedimentation pond residence time controls at 0.5-1.5h.
Preferably, step 5), 7) in, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, and dominant bacteria needs natural selection proper site biofilm formation growth according to own growth, thus on protruded packing, grow load multiple-microorganism.
Preferred further, the bacterial classification of input is at least one comprising following bacterial classification:
1) PSB bacterium, is used for degrading rudimentary carbohydrate as acid, alcohol, ester, ketone, sugar etc., simultaneously except S
2-;
2) sulfur oxide bacterium, is used for except S
2-;
3) achromobacter, Flavobacterium, be used for degrade tensio-active agent;
4) PVA degradation bacteria.
Preferably, step 8) is specially: two sections/tri-sections Aerobic Pond water outlets enter coagulation reaction tank, and Xiang Shuizhong adds Tai-Ace S 150, after abundant hybrid reaction 15-30min, add the abundant hybrid reaction 15-30min of PAM again, enter tube settler and sand filter process after having reacted again, qualified discharge.
Preferably, in system of the present invention, biochemical system can establish mud reuse tank, reuse as required after mud collection; Materialization system can establish mud collecting tank, and mud carries out processed after collecting.
Technique of the present invention, is particularly useful for processing organic waste water.
Below in conjunction with specific embodiment, the present invention is described further:
embodiment 1:
Dominant bacteria waste water treatment process fixed by protruded packing, comprises step:
1) adopt oil separation grit chamber by former water (raw water quality: COD
cr800ppm, BOD
5300ppm, colourity 300 times, ammonia nitrogen 30ppm) carry out every slag, sand setting, oil removal treatment;
2) pH value to 8.0 ~ 9.5 of sewage are regulated;
3) sewage after regulating pH enters three grades of oxygen compatibility pools and carries out tertiary treatment; Wherein first step oxygen compatibility pool, second stage oxygen compatibility pool establish combined stuffing; Third stage oxygen compatibility pool establishes inclined tube filler, to remove mud and the microbial metabolites of the generation of double oxygen process; Wherein, three grades of oxygen compatibility pools all adopt mud bed gravity water distribution, and Sludge Bed Altitude control is at 1-2m;
4) oxygen compatibility pool water outlet enters preaeration tank, by preaeration, is oxidized by the material of some reduction-state in waste water; The time controling of preaeration is at 1h;
5) preaeration tank water outlet enters one section of Aerobic Pond; One section of Aerobic Pond adopts particle diameter 30-80mm, and specific surface area is 5-20cm
2/ cm
3protruded packing, protruded packing growing load has multiple-microorganism;
Wherein, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, and dominant bacteria needs natural selection proper site biofilm formation growth according to own growth;
The bacterial classification thrown in is following bacterial classification:
1. PSB bacterium, is used for degrading rudimentary carbohydrate as acid, alcohol, ester, ketone, sugar etc., simultaneously except S
2-;
2. sulfur oxide bacterium, is used for except S
2-;
3. PVA degradation bacteria;
6) one section of Aerobic Pond water outlet enters intermediate sedimentation pond, and the residence time controls at 0.5h to carry out mud-water separation, removes leading portion aerobic microbiological meta-bolites;
7) water outlet of intermediate sedimentation pond enters two sections/tri-sections Aerobic Ponds; Establish protruded packing in two sections/tri-sections Aerobic Ponds, protruded packing growing load has multiple-microorganism;
Wherein, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, and dominant bacteria needs natural selection proper site biofilm formation growth according to own growth;
The bacterial classification thrown in is following bacterial classification:
1. PSB bacterium, is used for degrading rudimentary carbohydrate as acid, alcohol, ester, ketone, sugar etc., simultaneously except S
2-;
2. sulfur oxide bacterium, is used for except S
2-;
3. PVA degradation bacteria;
8) two sections/tri-sections Aerobic Pond water outlets enter coagulation reaction tank, and Xiang Shuizhong adds Tai-Ace S 150, after abundant hybrid reaction 15min, then add the abundant hybrid reaction 15min of PAM, enter tube settler and sand filter process again, qualified discharge after having reacted.
Effluent quality after this art breading: COD
cr76ppm, BOD
515ppm, colourity 30 times, ammonia nitrogen 5ppm.
embodiment 2:
Dominant bacteria waste water treatment process fixed by protruded packing, comprises step:
1) adopt oil separation grit chamber by former water (raw water quality: COD
cr1500ppm, BOD
5500PPM, colourity 400 times, ammonia nitrogen 40ppm) carry out every slag, sand setting, oil removal treatment;
2) pH value to 8.0 ~ 9.5 of sewage are regulated;
3) sewage after regulating pH enters three grades of oxygen compatibility pools and carries out tertiary treatment; Wherein first step oxygen compatibility pool, second stage oxygen compatibility pool establish combined stuffing; Third stage oxygen compatibility pool establishes inclined tube filler, to remove mud and the microbial metabolites of the generation of double oxygen process; Wherein, three grades of oxygen compatibility pools all adopt mud bed gravity water distribution, and Sludge Bed Altitude control is at 1-2m;
4) oxygen compatibility pool water outlet enters preaeration tank, by preaeration, is oxidized by the material of some reduction-state in waste water; The time controling of preaeration is at 2h;
5) preaeration tank water outlet enters one section of Aerobic Pond; One section of Aerobic Pond adopts particle diameter 30-80mm, and specific surface area is 5-20cm
2/ cm
3protruded packing, protruded packing growing load has multiple-microorganism;
Wherein, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, and dominant bacteria needs natural selection proper site biofilm formation growth according to own growth;
The bacterial classification thrown in is following bacterial classification:
1. PSB bacterium, is used for degrading rudimentary carbohydrate as acid, alcohol, ester, ketone, sugar etc., simultaneously except S
2-;
2. sulfur oxide bacterium, is used for except S
2-;
3. achromobacter, Flavobacterium, be used for degrade tensio-active agent;
4. PVA degradation bacteria;
6) one section of Aerobic Pond water outlet enters intermediate sedimentation pond, and the residence time controls at 1h to carry out mud-water separation, removes leading portion aerobic microbiological meta-bolites;
7) water outlet of intermediate sedimentation pond enters two sections/tri-sections Aerobic Ponds; Establish protruded packing in two sections/tri-sections Aerobic Ponds, protruded packing growing load has multiple-microorganism;
Wherein, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, and dominant bacteria needs natural selection proper site biofilm formation growth according to own growth;
The bacterial classification thrown in is following bacterial classification:
1. PSB bacterium, is used for degrading rudimentary carbohydrate as acid, alcohol, ester, ketone, sugar etc., simultaneously except S
2-;
2. sulfur oxide bacterium, is used for except S
2-;
3. achromobacter, Flavobacterium, be used for degrade tensio-active agent;
4. PVA degradation bacteria;
8) two sections/tri-sections Aerobic Pond water outlets enter coagulation reaction tank, and Xiang Shuizhong adds Tai-Ace S 150, after abundant hybrid reaction 15min, then add the abundant hybrid reaction 30min of PAM, enter tube settler and sand filter process again, qualified discharge after having reacted.
Effluent quality after this art breading: COD
cr85ppm, BOD
516ppm, colourity 32 times, ammonia nitrogen 8ppm.
embodiment 3:
Dominant bacteria waste water treatment process fixed by protruded packing, comprises step:
1) adopt oil separation grit chamber by former water (raw water quality: COD
cr2000ppm, BOD
5800PPM, colourity 350 times, ammonia nitrogen 30ppm) carry out every slag, sand setting, oil removal treatment;
2) pH value to 8.0 ~ 9.5 of sewage are regulated;
3) sewage after regulating pH enters three grades of oxygen compatibility pools and carries out tertiary treatment; Wherein first step oxygen compatibility pool, second stage oxygen compatibility pool establish combined stuffing; Third stage oxygen compatibility pool establishes inclined tube filler, to remove mud and the microbial metabolites of the generation of double oxygen process; Wherein, three grades of oxygen compatibility pools all adopt mud bed gravity water distribution, and Sludge Bed Altitude control is at 1-2m;
4) oxygen compatibility pool water outlet enters preaeration tank, by preaeration, is oxidized by the material of some reduction-state in waste water; The time controling of preaeration is at 1.5h;
5) preaeration tank water outlet enters one section of Aerobic Pond; One section of Aerobic Pond adopts particle diameter 30-80mm, and specific surface area is 5-20cm
2/ cm
3protruded packing, protruded packing growing load has multiple-microorganism;
Wherein, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, and dominant bacteria needs natural selection proper site biofilm formation growth according to own growth;
The bacterial classification thrown in is following bacterial classification:
1. PSB bacterium, is used for degrading rudimentary carbohydrate as acid, alcohol, ester, ketone, sugar etc., simultaneously except S
2-;
2. sulfur oxide bacterium, is used for except S
2-;
3. PVA degradation bacteria;
6) one section of Aerobic Pond water outlet enters intermediate sedimentation pond, and the residence time controls at 1.5h to carry out mud-water separation, removes leading portion aerobic microbiological meta-bolites;
7) water outlet of intermediate sedimentation pond enters two sections/tri-sections Aerobic Ponds; Establish protruded packing in two sections/tri-sections Aerobic Ponds, protruded packing growing load has multiple-microorganism;
Wherein, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, and dominant bacteria needs natural selection proper site biofilm formation growth according to own growth;
The bacterial classification thrown in is following bacterial classification:
1. PSB bacterium, is used for degrading rudimentary carbohydrate as acid, alcohol, ester, ketone, sugar etc., simultaneously except S
2-;
2. sulfur oxide bacterium, is used for except S
2-;
3. PVA degradation bacteria;
8) two sections/tri-sections Aerobic Pond water outlets enter coagulation reaction tank, and Xiang Shuizhong adds Tai-Ace S 150, after abundant hybrid reaction 30min, then add the abundant hybrid reaction 30min of PAM, enter tube settler and sand filter process again, qualified discharge after having reacted.
Effluent quality after this art breading: COD90ppm, BOD20ppm, colourity 40 times, ammonia nitrogen 6ppm.
Claims (10)
1. dominant bacteria waste water treatment process fixed by protruded packing, comprises step:
1) sewage is carried out every slag, sand setting, oil removal treatment;
2) pH value of sewage is regulated;
3) sewage after regulating pH enters three grades of oxygen compatibility pools and carries out tertiary treatment; Wherein first step oxygen compatibility pool, second stage oxygen compatibility pool establish combined stuffing; Third stage oxygen compatibility pool establishes inclined tube filler, to remove mud and the microbial metabolites of the generation of double oxygen process;
4) oxygen compatibility pool water outlet enters preaeration tank, by preaeration, is oxidized by the material of some reduction-state in waste water;
5) preaeration tank water outlet enters one section of Aerobic Pond; One section of Aerobic Pond adopts protruded packing, and protruded packing growing load has multiple-microorganism;
6) one section of Aerobic Pond water outlet enters intermediate sedimentation pond, to carry out mud-water separation, removes leading portion aerobic microbiological meta-bolites;
7) water outlet of intermediate sedimentation pond enters two sections/tri-sections Aerobic Ponds; Establish protruded packing in two sections/tri-sections Aerobic Ponds, protruded packing growing load has multiple-microorganism;
8) two sections/tri-sections Aerobic Pond water outlets enter coagulating sedimentation reaction tank, tube settler and sand filter process, qualified discharge successively.
2. dominant bacteria waste water treatment process fixed by protruded packing according to claim 1, it is characterized in that: step 2) in, regulate pH to 8.0 ~ 9.5.
3. dominant bacteria waste water treatment process fixed by protruded packing according to claim 1, it is characterized in that: in step 3), and three grades of oxygen compatibility pools all adopt mud bed gravity water distribution.
4. dominant bacteria waste water treatment process fixed by the protruded packing according to claim 1 or 3, it is characterized in that: in step 3), and Sludge Bed Altitude control is at 1-2m.
5. dominant bacteria waste water treatment process fixed by the protruded packing according to claim 1 or 3, it is characterized in that: in step 4), and the time controling of preaeration is at 1-2h.
6. dominant bacteria waste water treatment process fixed by the protruded packing according to claim 1 or 3, it is characterized in that: in step 5), and Aerobic Pond gas-water ratio controls 15 ~ 20.
7. dominant bacteria waste water treatment process fixed by the protruded packing according to claim 1 or 3, it is characterized in that: step 5), 7) in, protruded packing particle diameter 30-80mm, specific surface area>=5cm
2/ cm
3.
8. dominant bacteria waste water treatment process fixed by the protruded packing according to claim 1 or 3, it is characterized in that: in step 6), and the intermediate sedimentation pond residence time controls at 0.5-1.5h.
9. dominant bacteria waste water treatment process fixed by protruded packing according to claim 7, it is characterized in that: step 5), 7) in, protruded packing grows load and have multiple-microorganism, specifically be achieved in that when the debug phase throws in bacterial classification, utilizing protruded packing self to have adsorbing physical property is adsorbed in the hole of filler by the dominant bacteria of input, pore size is uneven, dominant bacteria needs natural selection proper site biofilm formation growth according to own growth, thus on protruded packing, grow load multiple-microorganism.
10. dominant bacteria waste water treatment process fixed by protruded packing according to claim 1, it is characterized in that: step 8) is specially: two sections/tri-sections Aerobic Pond water outlets enter coagulation reaction tank, Xiang Shuizhong adds Tai-Ace S 150, after abundant hybrid reaction 15-30min, add the abundant hybrid reaction 15-30min of PAM again, tube settler and sand filter process is entered again, qualified discharge after having reacted.
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| CN113735392A (en) * | 2021-10-08 | 2021-12-03 | 自然资源部第三海洋研究所 | Method for treating preserved fruit processing wastewater |
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| CN113735392A (en) * | 2021-10-08 | 2021-12-03 | 自然资源部第三海洋研究所 | Method for treating preserved fruit processing wastewater |
| CN113735392B (en) * | 2021-10-08 | 2023-10-24 | 自然资源部第三海洋研究所 | Method for treating preserved fruit processing wastewater |
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