CN106698852A - Brassica juncea pickling waste water treatment device and method - Google Patents
Brassica juncea pickling waste water treatment device and method Download PDFInfo
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- CN106698852A CN106698852A CN201710062799.0A CN201710062799A CN106698852A CN 106698852 A CN106698852 A CN 106698852A CN 201710062799 A CN201710062799 A CN 201710062799A CN 106698852 A CN106698852 A CN 106698852A
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- 244000178993 Brassica juncea Species 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000005554 pickling Methods 0.000 title claims abstract description 40
- 238000004065 wastewater treatment Methods 0.000 title abstract description 6
- 235000011332 Brassica juncea Nutrition 0.000 title abstract 4
- 235000014700 Brassica juncea var napiformis Nutrition 0.000 title abstract 4
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 claims abstract description 141
- 239000002351 wastewater Substances 0.000 claims abstract description 112
- 239000010865 sewage Substances 0.000 claims abstract description 68
- 238000004062 sedimentation Methods 0.000 claims abstract description 43
- 230000008569 process Effects 0.000 claims abstract description 29
- 239000006228 supernatant Substances 0.000 claims abstract description 8
- 238000005868 electrolysis reaction Methods 0.000 claims description 90
- 239000000945 filler Substances 0.000 claims description 66
- 230000003647 oxidation Effects 0.000 claims description 55
- 238000007254 oxidation reaction Methods 0.000 claims description 55
- 235000005855 Brassica juncea var. subintegrifolia Nutrition 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 45
- 239000010802 sludge Substances 0.000 claims description 40
- 238000011282 treatment Methods 0.000 claims description 30
- 238000005273 aeration Methods 0.000 claims description 20
- 238000012545 processing Methods 0.000 claims description 17
- 238000005276 aerator Methods 0.000 claims description 14
- 241000216843 Ursus arctos horribilis Species 0.000 claims description 13
- 230000005484 gravity Effects 0.000 claims description 12
- 238000003672 processing method Methods 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 5
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 239000010962 carbon steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 230000001590 oxidative effect Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 10
- 230000015556 catabolic process Effects 0.000 description 9
- 238000006731 degradation reaction Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 235000021110 pickles Nutrition 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 7
- 241000196324 Embryophyta Species 0.000 description 6
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 6
- 230000006872 improvement Effects 0.000 description 6
- 229910052698 phosphorus Inorganic materials 0.000 description 6
- 239000011574 phosphorus Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- -1 hydroxyl radical free radical Chemical class 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000011780 sodium chloride Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 241000219198 Brassica Species 0.000 description 2
- 235000003351 Brassica cretica Nutrition 0.000 description 2
- 235000003343 Brassica rupestris Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- QKSKPIVNLNLAAV-UHFFFAOYSA-N bis(2-chloroethyl) sulfide Chemical compound ClCCSCCCl QKSKPIVNLNLAAV-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 229960004887 ferric hydroxide Drugs 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- IEECXTSVVFWGSE-UHFFFAOYSA-M iron(3+);oxygen(2-);hydroxide Chemical compound [OH-].[O-2].[Fe+3] IEECXTSVVFWGSE-UHFFFAOYSA-M 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 235000010460 mustard Nutrition 0.000 description 2
- 238000006396 nitration reaction Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RFGNMWINQUUNKG-UHFFFAOYSA-N iron phosphoric acid Chemical compound [Fe].OP(O)(O)=O RFGNMWINQUUNKG-UHFFFAOYSA-N 0.000 description 1
- 229910021506 iron(II) hydroxide Inorganic materials 0.000 description 1
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000007269 microbial metabolism Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 235000013311 vegetables Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/46104—Devices therefor; Their operating or servicing
- C02F1/46176—Galvanic cells
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/32—Nature of the water, waste water, sewage or sludge to be treated from the food or foodstuff industry, e.g. brewery waste waters
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/02—Fluid flow conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention relates to a brassica juncea pickling waste water treatment device and method. The brassica juncea pickling waste water treatment device comprises a grille (1), a sewage collecting tank (2), a sewage pump (3), an iron-carbon microelectrolysis tank (4), a bio-contact oxidizing tank (5) and a sedimentation tank (6), wherein waste water generated in a brassica juncea pickling process flows into the sewage collecting tank (2) via the grille (1), the sewage pump (3) is arranged in the sewage collecting tank (2), the sewage is pumped by the sewage pump (3) into the iron-carbon microelectrolysis tank (4), the waste water flows by the iron-carbon microelectrolysis tank (4) in a zigzag stream manner to be treated and then flows into the bio-contact oxidizing tank (5), after being treated by the bio-contact oxidizing tank (5), the waste water enters the sedimentation tank (6), and supernatant in the sedimentation tank (6) reaches the standard and is discharged.
Description
Technical field
The present invention relates to a kind of leaf mustard pickling waste water processing equipment and method, belong to technical field of sewage.
Background technology
Vegetable-pickling is a kind of common preservation edible way, such as southern hot pickled mustard tube, the leaf mustard in the north in China.Vegetables
Curing process produces a large amount of high salt organic wastewaters high, because salinity high is inhibited to microbial activity, therefore such
Pickling waste water is treated as a great problem.
The conventional processing method of high-salt wastewater is the physical treatment sides such as electrolysis, membrane separation process, burning method or deep well injection
Method.The operating cost problem high of electrolysis and burning method, the film blockage problem of membrane separation process and the secondary pollution of deep well injection
Problem all limits practical application, and because substantial amounts of vegetable-pickling scope of the enterprise is smaller and distribution dispersion, therefore, cost compared with
The complicated sewage disposal technology of high, operational management is not particularly suited for the treatment of such waste water.Activated sludge process has economical, high
Effect, operational management it is simple, it is applied widely the features such as, be widely used in all kinds of wastewater treatments.But the height of pickling waste water
Salt environment has inhibitory action to biochemical treatment, under high salinity environment, microbial metabolism enzymatic activity is obstructed, biology increasess slowly,
Yield coefficient is low, strongly limit application of the activated sludge process in high-salt wastewater process field.
Iron-carbon micro-electrolysis technology be at present process high concentrated organic wastewater a kind of ideal technology, the technique be used for high salt,
Difficult degradation, the treatment of high-colour intensity wastewater can not only be greatly reduced COD and colourity, also be greatly improved the biochemical of waste water
Property.The technology is in the case of cold, " galvanic cell " effect to be produced using the micro-electrolysis stuffing filled in light electrolysis equipment
Waste water is processed.After water flowing, countless potential differences up to " galvanic cell " of 1.2V can be formed in equipment." galvanic cell " with
Waste water does electrolyte, and form electric current by electric discharge carries out electrolytic oxidation and reduction treatment to waste water, to reach degraded organic contamination
The purpose of thing.The main electrodes occurred in iron-carbon micro-electrolysis filler react：
Anode reaction (Fe):
Fe-2e-→Fe2+ Eθ(Fe2+/ Fe)=- 0.44 (V)
Fe2+-e-→Fe3+ Eθ(Fe3+/Fe2+)=0.77 (V)
Cathode reaction (C)：
2H++2e-→2[H]→H2↑ Eθ(H+/H2)=0.80 (V) (acid condition)
O2+2H2O+4e-→4OH-, Eθ=0.40 (V) (neutral alkalescence condition)
4H++O2+4e-→H2O2, Eθ=1.23 (V) (acid excess oxygen)
The H of generation2O2Can be with the Fe in water2+The extremely strong hydroxyl radical free radical (OH) of reaction generation oxidability:
Fe2++H2O2→Fe3++·OH+OH-
Nascent state OH, [H], the Fe produced in said process2+、Fe3+Etc. can be aoxidized with many components in waste water
Reduction reaction, than if the chromophoric group or auxochrome group of the coloring matter in damaged colored waste water, or even chain rupture, reach degraded
The effect of decolouring；The Fe of generation2+It is further oxidized to Fe3+, their hydrate have stronger absorption-flocculation activity, especially
It is that ferrous hydroxide and ferric hydroxide colloid flocculant are generated after adjusting PH with base value is added, their flocculation ability is significantly larger than typically
The medicament ferric hydroxide colloid that obtains of hydrolysis, scattered molecule in the water body that can largely flocculate, metallic and organic big point
Son, its operation principle is based on the collective effect of electrochemistry, oxidationreduction, physics and flocculation sediment.The technique has applicable model
Wide, high treating effect, short with low cost, process time, convenient operating maintenance, the low advantage of power consumption are enclosed, can extensive use
In the pretreatment and advanced treatment of industrial wastewater.
Contact oxidation method is a kind of wastewater biochemical facture for having activated sludge process and biomembrance process feature concurrently.This method
Capital equipment be biological contact oxidation pond.Filler is housed in aeration tank, filler is submerged by water, with air blower in filler bottom
Aeration aerating, air can carry pending waste water secretly from bottom to top, pass freely through filler, and activated sludge is attached to filler surface, no
Flowed with water, because biomembrane is directly by the strong agitation of ascending air, constantly updated, so as to improve clean-up effect.It is biological
Contact oxidation method has that short process time, small volume, anti impulsion load, good purification, effluent quality be good, sludge is not required to backflow
Also do not expand, the advantages of power consumption is small.
Based on iron-carbon micro-electrolysis and contact oxidation method know-why, the present invention provides a kind of iron-carbon micro-electrolysis+catalytic oxidation
Group technology processes the processing equipment and method of leaf mustard pickling waste water.Iron-carbon micro-electrolysis technology can be effectively improved leaf mustard pickling waste water
Biodegradability, bio-contact oxidation can retain more activated sludge and improve treatment effect, therefore the present invention makes full use of two kinds of skills
The advantage of art optimizes combination, has process is simple, treatment effect efficient stable, operating cost low to leaf mustard pickling waste water
Advantage.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of leaf mustard pickling waste water processing equipment and method, right to realize
Effective treatment of leaf mustard pickling waste water.
To realize above-mentioned technique effect, the invention discloses a kind of leaf mustard pickling waste water processing equipment, it is characterised in that：Should
Equipment includes grid, sewage collecting pool, sewage pump, iron-carbon micro-electrolysis pond, biological contact oxidation pond, sedimentation basin, and leaf mustard was pickled
The waste water that journey is produced flows into sewage collecting pool through grid, and sewage pump is set in sewage collecting pool, and it is micro- that waste water pumps into iron carbon through sewage pump
Electrolytic cell, gravity flow enters biological contact oxidation pond after waste water deflector type flows through the treatment of iron-carbon micro-electrolysis pond, and waste water is through biological
Enter sedimentation basin, the supernatant qualified discharge in sedimentation basin after oxidation pond treatment.
The equipment further improvement is that：The grid is swinging grid sewage-removing machine, and grizzly bar spacing is 1mm, grid
Bar series is at intervals of 0.5mm.
The equipment further improvement is that：Iron-carbon micro-electrolysis pond is by one-level iron-carbon micro-electrolysis pond, two grades of micro- electricity of iron carbon
Xie Chi and three-level iron-carbon micro-electrolysis pond are integrally formed, and 5 pieces of drainage plates, drainage plate are removably provided with iron-carbon micro-electrolysis pond
A sewage rising area will be isolated into per one-level iron-carbon micro-electrolysis pond and a sewage will decline area, in every one-level iron-carbon micro-electrolysis pond
The supporting plate that two-layer carries iron carbon filler is provided with, the shell and drainage plate in the iron-carbon micro-electrolysis pond use carbon steel material
It is made, the gallery bottom that the sewage in every one-level iron-carbon micro-electrolysis pond declines area is provided with micro-hole aerator.
The equipment further improvement is that：Bottom per one-level iron-carbon micro-electrolysis pond is set to funnel-form, Er Qieshe
Discharge pipeline is equipped with, the carbon granules settled down after corroding with suspension in draining-off sewage and iron carbon filler.
The equipment further improvement is that：The iron carbon filler is diameter 14~18mm spherical sintered iron carbon fillers,
Iron carbon weight ratio is 1:1.
The equipment further improvement is that：The biological contact oxidation pond is rectangle aeration tank, and inside sets combination
Property filler, the biological contact oxidation pond bottom sets rubber micro-hole aerator, source of the gas provided by air blower, and gas-water ratio is 45:1
~65:1.
The equipment further improvement is that：The sedimentation basin is radical sedimentation basin, and water inlet peripheral effluent in center sinks
1~2 hour shallow lake time.
The invention also discloses a kind of leaf mustard pickling waste water processing method, comprise the following steps：
(1) leaf mustard pickles the waste water of production process generation through grid inflow sewage collecting pool, larger-size miscellaneous in waste water
Thing is retained by grid；
(2) sewage pump is set in cesspool, waste water enters iron-carbon micro-electrolysis pond after being lifted through sewage pump, and waste water is in the micro- electricity of iron carbon
There is micro-electrolysis reaction with iron carbon filler in Xie Chi, the biodegradability of waste water is improved, while phosphate and Fe3+Generation phosphoric acid
Iron precipitation is removed；
(3) the waste water gravity flow after being processed through iron-carbon micro-electrolysis pond enters biological contact oxidation pond, in biological contact oxidation pond
Combined stuffing is set, and useless Organic substance in water is degraded in the presence of suspended active sludge and combined stuffing surface biological film,
Nitrogen is removed by synchronous nitration and denitrification；
(4) waste water carries out mud-water separation after being processed through biological contact oxidation pond into sedimentation basin, supernatant row in sedimentation basin
Enter sewer；
(5) sludge of iron-carbon micro-electrolysis pond discharge and the excess sludge of sedimentation basin discharge enter sludge treating system.
Preferably, the grid be swinging grid sewage-removing machine, grizzly bar spacing be 0.5-1.5mm, grizzly bar series at intervals of
0.5mm。
Preferably, the sewage collecting pool is provided with sewage pump.
Preferably, the iron-carbon micro-electrolysis pond is deflector type structure, and carrying out micro- aeration in the lower gallery to stream is conducive to dirt
Water is fully contacted and forms oxygen-enriched environment with iron carbon filler.
Preferential, the iron-carbon micro-electrolysis pond is by one-level iron-carbon micro-electrolysis pond, two grades of iron-carbon micro-electrolysis ponds and three-level iron carbon
Micro cell is integrally formed, and 5 pieces of drainage plates are removably provided with iron-carbon micro-electrolysis pond, and drainage plate will be micro- per one-level iron carbon
Electrolytic cell is isolated into a sewage rising area and a sewage declines area, and being provided with two-layer in every one-level iron-carbon micro-electrolysis pond holds
The supporting plate of iron carbon filler is carried, the shell and drainage plate in the iron-carbon micro-electrolysis pond are made of carbon steel material, in every one-level
The gallery bottom that the sewage in iron-carbon micro-electrolysis pond declines area is provided with micro-hole aerator.
Preferably, the iron-carbon micro-electrolysis pond, flow rate of water flow is 0.5~1.5cm/s in gallery.
Preferably, the iron-carbon micro-electrolysis pond, hydraulic detention time is 2~4 hours.
Preferably, the bottom per one-level iron-carbon micro-electrolysis pond is set to funnel-form, and is provided with discharge pipeline, useless to exclude
The carbon granules that suspension and iron carbon filler settle down after corroding in water.
Preferably, the iron carbon filler is diameter 14~18mm spherical sintered iron carbon fillers, and iron carbon weight ratio is 1:1.
Preferably, the biological contact oxidation pond is rectangle aeration tank, and inside sets associativity filler.
Preferably, associativity filler is made up of fibre bundle, plastic sheet, sleeve pipe, axial cord.
Preferably, hydraulic detention time is 8~12 hours in the biological contact oxidation pond, and sludge age is 15~25 days.
Preferably, the biological contact oxidation pond bottom sets rubber micro-hole aerator, and source of the gas, air water are provided by air blower
Than being 45:1~65:1.
Preferably, the sedimentation basin is radical sedimentation basin, center water inlet peripheral effluent, 1~2 hour sedimentation time.
Compared with prior art, the beneficial effects of the invention are as follows：
1) iron-carbon micro-electrolysis technology does not need additional power source, and operation energy consumption is relatively low；
2) iron-carbon micro-electrolysis technology can effectively improve wastewater biodegradability in particular by three-level iron-carbon micro-electrolysis pool structure,
So as to reduce biochemical treatment stage hydraulic detention time, reduce reaction pool volume；
3) iron-carbon micro-electrolysis pond is deflector type structure, and hydraulic flow state is more uniform, and uniformity of water distribution requirement is reduced, and
Setting aeration plate and carry out micro- aeration in the lower gallery to stream is conducive to sewage to be fully contacted with iron carbon filler, and forms oxygen-enriched ring
Border, can generate the extremely strong hydroxyl radical free radical of oxidability (.OH), so as to substantially increase the biodegradability of sewage；
4) biological catalytic oxidation combines the advantage of activated sludge process and biomembrance process, with process time is short, body
The small, anti impulsion load of product, synchronous nitration and denitrification, good purification, effluent quality are good, sludge is not required to backflow and does not also expand, consumes
The advantages of electricity is small；
5) bio-contact oxidation uses combined stuffing, and with not blocking, not conglomeration, specific surface area is big, biofilm is rapid, make
With long lifespan, resistance to high load capacity impact, inflation performance is good the advantages of, be more beneficial for hypersaline environment microorganism growth attachment.
Brief description of the drawings
Fig. 1 is leaf mustard pickling waste water processing equipment；
Fig. 2 is the iron carbon filler that the present invention is used.
Wherein, 1- grids；2- sewage collecting pools；3- sewage pumps；4- iron-carbon micro-electrolysis pond；5- biological contact oxidation ponds；6-
Sedimentation basin；7- micro-hole aerators；8- rubber micro-hole aerators；9- associativity fillers；10- air blowers.
Specific embodiment
The present invention is described in detail with reference to Figure of description 1-2：
The invention discloses a kind of leaf mustard pickling waste water processing equipment, including grid 1, sewage collecting pool 2, sewage pump 3, iron
Carbon micro-electrolysis pond 4, biological contact oxidation pond 5, sedimentation basin 6, the waste water that leaf mustard curing process is produced flow into sewage receipts after grid 1
Collection pond 2, sewage pump 3 is set in sewage collecting pool 2, and waste water pumps into iron-carbon micro-electrolysis pond 4 through sewage pump 3, and waste water is in iron-carbon micro-electrolysis
Deflector type flows through iron carbon filler in pond 4, and then gravity flow enters biological contact oxidation pond 5, and the suspension in biological contact oxidation pond 5 is lived
Property sludge and filler surface biological film in waste water contaminant degradation removal, through biological contact oxidation pond 5 process after waste water
Gravity flow carries out mud-water separation, supernatant qualified discharge, the sludge of the discharge of iron-carbon micro-electrolysis pond 4 and the row of sedimentation basin 6 into sedimentation basin 6
The excess sludge put enters sludge treating system.
It will be seen from figure 1 that iron-carbon micro-electrolysis pond 4 is micro- by the one-level iron-carbon micro-electrolysis pond on the left side, two grades of middle iron carbon
The three-level iron-carbon micro-electrolysis pond on electrolytic cell and the right is integrally formed, and 5 pieces of drainages are removably provided with iron-carbon micro-electrolysis pond 4
Plate, drainage plate will be isolated into a sewage rising area per one-level iron-carbon micro-electrolysis pond and a sewage declines area, per one-level iron carbon
The bottom of micro cell is set to funnel-form, is easy to collect precipitating sludge, and two-layer is provided with every one-level iron-carbon micro-electrolysis pond
The supporting plate of iron carbon filler is carried, the shell and drainage plate in the iron-carbon micro-electrolysis pond 4 are made of carbon steel material, each
The gallery bottom that the sewage in level iron-carbon micro-electrolysis pond declines area is provided with micro-hole aerator 7, sewage is aerated, to improve dirt
Oxygen content in water, so as to accelerate the carrying out of iron-carbon micro-electrolysis reaction, while being stirred to iron carbon filler, reduces iron carbon and fills out
Expect the possibility of caking.Hydraulic detention time of the sewage in iron-carbon micro-electrolysis pond is 2~4 hours, and sewage deflector type flows through iron
Carbon filler, flow velocity is 0.5~1.5cm/s.
The present invention is by using this deflector type structure of three-level iron-carbon micro-electrolysis pond so that hydraulic flow state is more uniform, right
Uniformity of water distribution requirement is reduced, and is set aeration plate and carried out micro- aeration in the lower gallery to stream and be conducive to sewage and iron carbon filler
It is fully contacted, and forms oxygen-enriched environment, the extremely strong hydroxyl radical free radical of oxidability (.OH) can be generated, so as to substantially increase
The biodegradability of sewage.
The biological contact oxidation pond 5 is rectangle aeration tank, and inside sets associativity filler 9.The bio-contact oxidation
The pool inner water power residence time is 8~12 hours, and sludge age is 15~25 days.It is micro- that the biological contact oxidation pond bottom sets rubber
Hole aerator 8, gas-water ratio is 45:1-65:1.The sedimentation basin 6 is radical sedimentation basin, center water inlet peripheral effluent, during precipitation
Between 1~2 hour.
Shown in Fig. 2 is the iron carbon filler used in leaf mustard pickling waste water processing equipment, and the iron carbon filler is diameter 14-
18mm spherical sintered iron carbon fillers, iron carbon weight ratio is 1:1.
The present invention (is not aerated) certain mustard of iron carbon filler to identical water quality of research different-diameter under the conditions of Beaker Test
Dish pickles the degradation effect of COD in process plants waste water：
(the iron carbon filler is diameter 14-18mm spherical sintered iron carbon fillers to first group of filler, and iron carbon weight ratio is 1:1)
Result of the test be：Leaf mustard pickles the production waste water of processing factory under the light electrolysis effect of first group of filler, the COD quilts in waste water
Sustaining degradation, by after 180 minutes, the clearance of COD reaches 29.1% in waste water, by 210 minutes, the clearance of COD reached
It is 33.8% to highest, extension over time, the clearance of COD is on a declining curve.
(iron carbon filler is the spherical sintered iron carbon filler of a diameter of 10-13mm to second group of filler, and iron carbon weight ratio is 1:1)
Result of the test be：Leaf mustard pickles the production waste water of processing factory under the light electrolysis effect of second group of filler, the COD quilts in waste water
Sustaining degradation, by after 180 minutes, the clearance of COD reaches 28.2% in waste water, by 220 minutes, the clearance of COD reached
It is 30.7% to highest, extension over time, the clearance of COD is on a declining curve.
(iron carbon filler is the spherical sintered iron carbon filler of a diameter of 19-23mm to 3rd group of filler, and iron carbon weight ratio is 1:1)
Result of the test be：Leaf mustard pickles the production waste water of processing factory under the light electrolysis effect of the 3rd group of filler, the COD quilts in waste water
Sustaining degradation, by after 180 minutes, the clearance of COD reaches 19.1% in waste water, by 228 minutes, the clearance of COD reached
It is 29.8% to highest, extension over time, the clearance of COD is on a declining curve.
Summary result of the test, the present invention uses the spherical sintered iron carbon filler of a diameter of 14-18mm, iron carbon weight ratio
It is 1:1, carry out leaf mustard wastewater treatment, the spherical sintered iron carbon filler of this kind of diameter is distributed more uniform in waste water so that iron
Galvanic effect that carbon filler is formed in waste water reach it is ultimate attainment, so as to substantially increase waste water biodegradability can and COD
Clearance.
The invention also discloses a kind of leaf mustard pickling waste water processing method, comprise the following steps：
(1) waste water enters sewage collecting pool 2 through grid 1, and the grid 1 is swinging grid sewage-removing machine, and grizzly bar spacing is
0.5~1.5mm, grizzly bar series are at intervals of 0.5mm；
(2) waste water enters iron-carbon micro-electrolysis pond 4 under the lifting of sewage pump 3, and deflector type flows through iron carbon filler, and flow velocity is
0.5~1.5cm/s；
(3) biological contact oxidation pond 5 is entered by the sewage self-flowing after iron-carbon micro-electrolysis treatment, biological contact oxidation pond is
Rectangle aeration tank, inside sets associativity filler 9, and hydraulic detention time is 8~12 hours, and sludge age is 15~25 days, bottom
Rubber micro-hole aerator 8 is set, and gas-water ratio is 45:1~65:1；
(4) biological contact oxidation pond mixed liquor gravity flow carries out mud-water separation into sedimentation basin 6, and sedimentation basin 6 is heavy for radial-flow
Shallow lake pond, center water inlet peripheral effluent, 1~2 hour sedimentation time；
(5) sedimentation basin supernatant enters sewer, and the major pollutants index of supernatant reaches《Sewage enters cities and towns Xia Shui
Road water standard》(GB/T 31962-2015)；
(6) sludge of the discharge of iron-carbon micro-electrolysis pond 4 and the excess sludge of the discharge of sedimentation basin 6 enter sludge treating system.
The present invention also be have studied under the conditions of Beaker Test activated sludge certain leaf mustard is pickled process plants waste water without
The degradation rate of iron-carbon micro-electrolysis treatment and the production waste water COD processed by iron-carbon micro-electrolysis is contrasted, by experiment
It was found that, the biodegradability of the leaf mustard pickling waste water without iron-carbon micro-electrolysis treatment is poor, and it is than COD degradation speed
0.2856mgCOD/gVSS/h, and the biodegradability of the leaf mustard pickling waste water processed by iron-carbon micro-electrolysis is relatively good, it compares COD
Degradation speed is 0.4307mgCOD/gVSS/h.
The present invention also salts independent Biological Contact Oxidation Process down with iron-carbon micro-electrolysis+Biological Contact Oxidation Process to certain leaf mustard
Process plants waste water COD treatment effect processed has carried out comparative study.It is found by experiment that：Individually use biological contact oxidation chemical industry
Skill is processed leaf mustard pickling waste water, and COD average removal rates are 64.22%, and use three-level iron-carbon micro-electrolysis of the invention+
Biological Contact Oxidation Process is processed leaf mustard pickling waste water, and COD average removal rates can reach 89.33%, from above-mentioned experiment
Result is it can be found that three-level of the invention iron-carbon micro-electrolysis+Biological Contact Oxidation Process is to the treatment effect of leaf mustard pickling waste water
It is ideal.
Leaf mustard pickling waste water processing method of the invention is studied below, is carried out using identical leaf mustard treatment waste water
Experiment, by adjusting the technological parameter in method of wastewater treatment, investigates its treatment effect.
Embodiment 1
Certain leaf mustard pickles process plants waste water quality：Salinity (in terms of NaCl)：20~25g/L；COD：3240~
4150mg/L；Ammonia nitrogen：180~230mg/L；Total phosphorus：7.3~8.7mg/L.
Using leaf mustard pickling waste water processing method of the present invention, comprise the following steps：
(1) waste water enters sewage collecting pool 2 through grid 1, and the grid 1 is swinging grid sewage-removing machine, and grizzly bar spacing is
1mm, grizzly bar series are at intervals of 0.5mm；
(2) waste water enters iron-carbon micro-electrolysis pond 4 under the lifting of sewage pump 3, and deflector type flows through iron carbon filler, and flow velocity is
0.5cm/s；
(3) biological contact oxidation pond 5 is entered by the waste water gravity flow after iron-carbon micro-electrolysis treatment, biological contact oxidation pond is
Rectangle aeration tank, inside sets associativity filler, and hydraulic detention time is 10 hours, and sludge age is 15 days, and bottom sets rubber
Micro-hole aerator, gas-water ratio is 60:1；
(4) biological contact oxidation pond mixed liquor gravity flow carries out mud-water separation into sedimentation basin 6, and sedimentation basin 6 is heavy for radial-flow
Shallow lake pond, center water inlet peripheral effluent, 1.5 hours sedimentation times；
(5) sludge of the discharge of iron-carbon micro-electrolysis pond 4 and the excess sludge of the discharge of sedimentation basin 6 enter sludge treating system.
It is through the effluent quality index after above method treatment：COD：340~450mg/L, average removal rate is
89.33%；Ammonia nitrogen：18~23mg/L, average removal rate is 90.06%；Total phosphorus：0.3~1.7mg/L, average removal rate is
87.5%.Major pollutants index reaches《Sewage enters town sewer water standard》(GB/T 31962-2015).
Embodiment 2
Certain leaf mustard pickles process plants waste water quality：Salinity (in terms of NaCl)：20~25g/L；COD：3240~
4150mg/L；Ammonia nitrogen：180~230mg/L；Total phosphorus：7.3~8.7mg/L.
Using leaf mustard pickling waste water processing method of the present invention, comprise the following steps：
(1) waste water enters sewage collecting pool 2 through grid 1, and the grid 1 is swinging grid sewage-removing machine, and grizzly bar spacing is
1mm, grizzly bar series are at intervals of 0.5mm；
(2) waste water enters iron-carbon micro-electrolysis pond 4 under the lifting of sewage pump 3, and deflector type flows through iron carbon filler, and flow velocity is
1cm/s；
(3) biological contact oxidation pond 5 is entered by the waste water gravity flow after iron-carbon micro-electrolysis treatment, biological contact oxidation pond is
Rectangle aeration tank, inside sets associativity filler, and hydraulic detention time is 12 hours, and sludge age is 15 days, and bottom sets rubber
Micro-hole aerator, gas-water ratio is 60:1；
(4) biological contact oxidation pond mixed liquor gravity flow carries out mud-water separation into sedimentation basin 6, and sedimentation basin 6 is heavy for radial-flow
Shallow lake pond, center water inlet peripheral effluent, 1.5 hours sedimentation times；
(5) sludge of the discharge of iron-carbon micro-electrolysis pond 4 and the excess sludge of the discharge of sedimentation basin 6 enter sludge treating system.
It is through the effluent quality index after above method treatment：COD：352~483mg/L, average removal rate is
87.19%；Ammonia nitrogen：19.6~25.2mg/L, average removal rate is 87.05%；Total phosphorus：0.41~2.01mg/L, average removal
Rate is 80.2%.Major pollutants index reaches《Sewage enters town sewer water standard》(GB/T 31962-2015).
Embodiment 3
Certain leaf mustard pickles process plants waste water quality：Salinity (in terms of NaCl)：20~25g/L；COD：3240~
4150mg/L；Ammonia nitrogen：180~230mg/L；Total phosphorus：7.3~8.7mg/L.
Using leaf mustard pickling waste water processing method of the present invention, comprise the following steps：
(1) waste water enters sewage collecting pool 2 through grid 1, and the grid 1 is swinging grid sewage-removing machine, and grizzly bar spacing is
1mm, grizzly bar series are at intervals of 0.5mm；
(2) waste water enters iron-carbon micro-electrolysis pond 4 under the lifting of sewage pump 3, and deflector type flows through iron carbon filler, and flow velocity is
1.5cm/s；
(3) biological contact oxidation pond 5 is entered by the waste water gravity flow after iron-carbon micro-electrolysis treatment, biological contact oxidation pond is
Rectangle aeration tank, inside sets associativity filler, and hydraulic detention time is 8 hours, and sludge age is 15 days, and it is micro- that bottom sets rubber
Hole aerator, gas-water ratio is 60:1；
(4) biological contact oxidation pond mixed liquor gravity flow carries out mud-water separation into sedimentation basin 6, and sedimentation basin 6 is heavy for radial-flow
Shallow lake pond, center water inlet peripheral effluent, 1.5 hours sedimentation times；
(5) sludge of the discharge of iron-carbon micro-electrolysis pond 4 and the excess sludge of the discharge of sedimentation basin 6 enter sludge treating system.
It is through the effluent quality index after above method treatment：COD：371~639mg/L, average removal rate is
85.03%；Ammonia nitrogen：22~39mg/L, average removal rate is 85%；Total phosphorus：0.6~1.9mg/L, average removal rate is
85.17%.Major pollutants index reaches《Sewage enters town sewer water standard》(GB/T 31962-2015).
From above three embodiment it can be found that being tested using identical leaf mustard treatment waste water, given up using different
Water treatment technology parameter, water treatment effect is different, and the water treatment effect of wherein embodiment 1 is ideal.
Finally it should be noted that above specific embodiment is merely illustrative of the technical solution of the present invention and unrestricted, to the greatest extent
Pipe has been described in detail with reference to example to the present invention, it will be understood by those within the art that, can be to of the invention
Technical scheme is modified or equivalent, and without deviating from the spirit and scope of technical solution of the present invention, it all should cover
In the middle of scope of the presently claimed invention.
Claims (10)
1. a kind of leaf mustard pickling waste water processing equipment, it is characterised in that：The equipment includes grid (1), sewage collecting pool (2), dirt
Water pump (3), iron-carbon micro-electrolysis pond (4), biological contact oxidation pond (5), sedimentation basin (6), the waste water warp that leaf mustard curing process is produced
Grid (1) is flowed into sewage collecting pool (2), sewage collecting pool (2) and sets sewage pump (3), and it is micro- that waste water pumps into iron carbon through sewage pump (3)
Electrolytic cell (4), waste water flows automatically after being processed through iron-carbon micro-electrolysis pond (4) and enters biological contact oxidation pond (5), and waste water is through biological
Enter sedimentation basin (6), the supernatant qualified discharge in sedimentation basin (6) after oxidation pond (5) treatment.
2. a kind of leaf mustard pickling waste water processing equipment as claimed in claim 1, it is characterised in that：The grid is swinging lattice
Grid spotter, grizzly bar spacing is 0.5-1.5mm, and grizzly bar series is at intervals of 0.5mm.
3. a kind of leaf mustard pickling waste water processing equipment as claimed in claim 1, it is characterised in that：The iron-carbon micro-electrolysis pond
(4) it is deflector type structure, setting aeration plate to the gallery of stream under iron-carbon micro-electrolysis pond (4) carries out micro- aeration.
4. a kind of leaf mustard pickling waste water processing equipment as claimed in claim 1, it is characterised in that：The bottom in iron-carbon micro-electrolysis pond
Discharge pipeline is set, the carbon granules settled down after being corroded with suspension in draining-off sewage and iron carbon filler.
5. a kind of leaf mustard pickling waste water processing equipment as claimed in claim 1, it is characterised in that：The iron-carbon micro-electrolysis pond
(4) the iron carbon filler in is the spherical sintered iron carbon filler of 14~18mm of diameter, and iron carbon weight ratio is 1:1.
6. a kind of leaf mustard pickling waste water processing equipment as claimed in claim 1, it is characterised in that：The biological contact oxidation pond
It is rectangle aeration tank, inside sets associativity filler, and the biological contact oxidation pond bottom sets rubber micro-hole aerator, by rousing
Blower fan provides source of the gas, and gas-water ratio is 45:1~65:1.
7. a kind of leaf mustard pickling waste water processing method, it is characterised in that：It is comprised the following steps：
(1) waste water that leaf mustard curing process is produced enters sewage collecting pool (2) through grid (1)；
(2) iron-carbon micro-electrolysis pond (4) are entered under the lifting of the sewage pump (3) that waste water is set in sewage collecting pool (2), waste water folding
Streaming flows through the iron carbon filler in iron-carbon micro-electrolysis pond (4), and waste water flow velocity is 0.5~1.5cm/s；
(3) the waste water gravity flow after iron-carbon micro-electrolysis pond (4) are processed enters biological contact oxidation pond (5)；
(4) waste water carries out mud-water separation after being processed through biological contact oxidation pond into sedimentation basin (6)；
(5) supernatant enters sewer in sedimentation basin；
(6) sludge of iron-carbon micro-electrolysis pond (4) discharge and the excess sludge of sedimentation basin (6) discharge enter sludge treating system.
8. a kind of leaf mustard pickling waste water processing method as claimed in claim 7, it is characterised in that：The iron-carbon micro-electrolysis pond is
Carbon steel material is made, deflector type fluidised form；Setting aeration plate to the gallery of stream under iron-carbon micro-electrolysis pond carries out micro- aeration；Bottom sets
Discharge pipeline is put, the carbon granules settled down after corroding with suspension in draining-off sewage and iron carbon filler.
9. a kind of leaf mustard pickling waste water processing method as claimed in claim 7, it is characterised in that：The iron carbon filler is diameter
14~18mm spherical sintered iron carbon fillers, iron carbon weight ratio is 1:1, waste water hydraulic detention time in iron-carbon micro-electrolysis pond is 2
~4 hours, waste water deflector type flowed through iron carbon filler.
10. a kind of leaf mustard pickling waste water processing method as claimed in claim 7, it is characterised in that：The bio-contact oxidation
Pond is rectangle aeration tank, and inside sets associativity filler；Hydraulic detention time is 8~12 small in the biological contact oxidation pond
When, sludge age is 15~25 days；The biological contact oxidation pond bottom sets rubber micro-hole aerator, and gas is provided by air blower
Source, gas-water ratio is 45:1~65:1.
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| CN108383211A (en) * | 2018-04-19 | 2018-08-10 | 临沂大学 | A kind of waste water dephosphorization apparatus and method for based on iron-carbon micro-electrolysis |
| CN109205938A (en) * | 2018-09-30 | 2019-01-15 | 德保县广鑫贸易有限公司 | A kind of nitrogen phosphorus processing equipment for planting site draining |
| CN110606602A (en) * | 2019-09-02 | 2019-12-24 | 武汉尚源新能环境有限公司 | Domestic sewage treatment process |
| CN110902936A (en) * | 2019-11-04 | 2020-03-24 | 江阴道盛环保科技有限公司 | Recycling process suitable for printing and dyeing sewage |
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