CN107673548A - Petroleum and petrochemical industry wastewater to reach standard processing system - Google Patents

Petroleum and petrochemical industry wastewater to reach standard processing system Download PDF

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Publication number
CN107673548A
CN107673548A CN201610615925.6A CN201610615925A CN107673548A CN 107673548 A CN107673548 A CN 107673548A CN 201610615925 A CN201610615925 A CN 201610615925A CN 107673548 A CN107673548 A CN 107673548A
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CN
China
Prior art keywords
catalysis oxidation
oxidation pond
baf ponds
parts
clear water
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CN201610615925.6A
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Chinese (zh)
Inventor
吴盼盼
凌二锁
吕佩嵘
徐知雄
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ZHONGHAI ASPHALT (TAIZHOU) CO Ltd
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ZHONGHAI ASPHALT (TAIZHOU) CO Ltd
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Priority to CN201610615925.6A priority Critical patent/CN107673548A/en
Publication of CN107673548A publication Critical patent/CN107673548A/en
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    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00—Controlling or monitoring parameters in water treatment
    • C02F2209/14—NH3-N
    • 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
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
    • 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
    • C02F3/02—Aerobic processes
    • C02F3/10—Packings; Fillings; Grids
    • C02F3/105—Characterized by the chemical composition

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

The present invention discloses a kind of petrochemical industry comprehensive wastewater processing unit, its ozone generator is connected to inside catalysis oxidation pond by gas pipeline, the clear water reserviors are provided with inlet opening, apopore, the inlet opening of the clear water reserviors is connected with rear biochemical BAF ponds by back segment transfer conduit, the clear water reserviors are connected to a backwashing pump one end, this backwashing pump other end is connected to catalysis oxidation pond by back segment reflux line, afterwards inside biochemical BAF ponds, the catalysis oxidation pond is filled with ozone catalytic particle with fixed bed form, the comprehensive tank of dilution is provided with charge door and agitator, carrier is made up of the component of following parts by weight：High density polyethylene (HDPE), acrylic resin, white lime, Tao Shi Powdered Activated Carbons, precipitated calcium carbonate, maleic anhydride, gelatin, chitin, ferroferric oxide magnetic powder and manganese-zinc ferrite.The present invention is advantageous to the retention and accumulation of biomass on filling carrier, and its ammonia nitrogen removal frank, more than 78%, therefore can well adapt to the wastewater treatment under low consistency conditions more than 92%, COD clearances.

Description

Petroleum and petrochemical industry wastewater to reach standard processing system
Technical field
The present invention relates to a kind of petrochemical industry comprehensive wastewater processing unit, belong to technical field of waste water processing.
Background technology
Petroleum and petrochemical industry waste water has pollutant load height, toxicity is big, emission point is scattered, water is few, complex treatment process, throwing Money and operating cost are high and the features such as management is difficult, and to be initiation water body seriously pollute high-concentration industrial organic waste water, ecological ring Border deteriorates, threatened the major pollutants of health.The technology that there is application the country at present has Fenton technology, ultraviolet advanced oxidation skill COD can be oxidizing to 1000mg/L or so by art, Wet Oxidation Process etc., water outlet.But operating condition harshness, operating cost all be present The problems such as height, plant maintenance amount is big, and effluent quality fluctuation is big unstable, and one-time investment is high.
The content of the invention
It is an object of the present invention to provide a kind of petroleum and petrochemical industry wastewater to reach standard processing system, petrochemical industry comprehensive wastewater processing unit fortune Row expense is low, simple to operate, stable, and obtains the purpose of efficient degradation organic pollution, and the stone under low cost can be achieved The high saliferous high-concentration sewage advanced treating of oily chemical industry and qualified discharge.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of petrochemical industry comprehensive wastewater processing unit, including urge Change oxidation pond, oxidation-stabilized pond, rear biochemical BAF ponds, clear water reserviors, the comprehensive tank of dilution, pretreated primary BAF ponds, pretreatment two level BAF ponds, air main and discharge bay, dilution comprehensive tank, pretreated primary BAF ponds, pretreatment two level BAF ponds and the discharge bay according to Secondary to be connected by leading portion transfer conduit, the catalysis oxidation pond, oxidation-stabilized pond, rear biochemical BAF ponds and clear water reserviors pass sequentially through Back segment transfer conduit is connected, and the discharge bay is connected to inside catalysis oxidation pond with catalysis oxidation pond by inlet channel；
One ozone generator is connected to inside catalysis oxidation pond by gas pipeline, and the clear water reserviors are provided with inlet opening, water outlet Hole, the inlet opening of the clear water reserviors are connected with rear biochemical BAF ponds by back segment transfer conduit, and the clear water reserviors are connected to a backwash Pump one end, this backwashing pump other end is connected to catalysis oxidation pond, inside rear biochemical BAF ponds by back segment reflux line, described to urge Change oxidation pond and ozone catalytic particle is filled with fixed bed form, the comprehensive tank of dilution is provided with charge door and agitator；
Biochemical BAF ponds include pool wall, sieve plate and aeration passage after described, and the sieve plate is horizontally placed on pool wall bottom, a biology Packing area is filled in the middle part of pool wall and it is located at sieve plate upper surface, and the aeration passage is located at biologic packing material area centre, and one exposes Gas head is connected with air main and aeration head respectively positioned at aeration channel bottom, the branch wind pipe both ends in aeration passage；
Several biologic packing materials are placed with biochemical BAF ponds after described, the biologic packing material is overlying on carrier surface by carrier and extension Microbial film composition；
The carrier is made up of the component of following parts by weight：
High 60 ~ 70 parts of high density polyethylene (HDPE),
10 ~ 15 parts of acrylic resin,
6 ~ 8 parts of low density polyethylene (LDPE),
5 ~ 15 parts of white lime,
5 ~ 20 parts of Tao Shi Powdered Activated Carbons,
6 ~ 10 parts of precipitated calcium carbonate,
3 ~ 5 parts of maleic anhydride,
1.5 ~ 3 parts of gelatin,
1 ~ 2 part of chitin,
0.8 ~ 2 part of ferroferric oxide magnetic powder,
0.1 ~ 0.3 part of manganese-zinc ferrite,
0.5 ~ 1 part of pentaerythritol stearate；
The density of the carrier is 0.96~0.98g/cm3。
Further improved technical scheme is as follows in above-mentioned technical proposal：
Preferably, a dividing plate is vertically provided with the catalysis oxidation pond, it is left and right so as to which catalysis oxidation pond be divided into Chamber, catalysis oxidation pond lower horizontal are provided with a sieve plate, and the lower end of this dividing plate is installed to the upper surface of sieve plate, the ozone Catalysed particulate is located above sieve plate and is located at dividing plate both sides.
Preferably, also include the backwash sedimentation basin, leading portion supernatant liquid pool and pretreatment backwashing pump being sequentially connected, it is described anti- Wash sedimentation basin and pretreated primary BAF ponds, pretreatment two level BAF ponds, the pretreatment are connected to by the first pipeline, second pipe Backwashing pump is connected to pretreated primary BAF ponds, pretreatment two level BAF ponds by leading portion reflux line.
Preferably, the ozone generator is connected to the bottom in catalysis oxidation pond by gas pipeline.
Because above-mentioned technical proposal is used, the present invention has following advantages and effect compared with prior art：
1st, petroleum and petrochemical industry wastewater to reach standard processing system of the present invention, carrier biofilm speed is fast in biochemical BAF ponds thereafter, difficult for drop-off, Treatment effeciency is high, the processing of low-concentration organic and ammonia nitrogen suitable for sewage, low-concentration organic waste water, and biology of the invention is filled out Material has extremely strong hydrophily and bioaffinity, and filler has very strong adsorption strength to biomembrane in itself, is advantageous to fill out Expect carrier on biomass retention and accumulation, its ammonia nitrogen removal frank more than 92%, COD clearances more than 78%, therefore can preferably Adapt to the wastewater treatment under low consistency conditions.
2nd, petroleum and petrochemical industry wastewater to reach standard processing system of the present invention, thereafter in biochemical BAF ponds carrier high density polyethylene (HDPE) 65 ~ 75 parts, 10 ~ 15 parts of acrylic resin, 6 ~ 10 parts of precipitated calcium carbonate, in 3 ~ 5 parts of maleic anhydride further 1.5 ~ 3 parts of gelatin of addition, 0.1 ~ 0.3 part of 0.8 ~ 2 part of ferroferric oxide magnetic powder and manganese-zinc ferrite, not only improve filler and carry compared with ferromagnetism formation magnetization effect Should, Pollutants in Wastewater conversion rate and efficiency are improved, produces absorption affinity, the adsorbance on increase filler surface；Meanwhile peroxidating 1.5 ~ 3 parts of 0.2 ~ 0.6 part of diisopropylbenzene (DIPB), gelatin activity that can improve microorganism, microorganism adapts to life after magnetization in water Leaving the microorganism come has bigger propagation and metabolic capability so that organic pollution passes through magnetic in the presence of low-intensity magnetic field The effect such as power key, magnetic force, Lorentz force and mangneto cavity effect gathers through magnetic, adsorbed, being enriched to magnetic biological filling material surface；Oxygen is It paramagnet, can be adsorbed near biologic packing material during aeration, the oxygen concentration on increase filler surface, promote under magnetic fields The breeding of aerobe, in addition low-intensity magnetic field also have the function that inducing microbial activity and enzymatic activity；Again, it uses gelatin 1.5 ~ 3 parts and 1 ~ 2 part of collocation use of chitin so that bio-carrier, shorten the biofilm cycle, and strengthen biomembrane adsorption strength, It is difficult for drop-off.
3rd, petroleum and petrochemical industry wastewater to reach standard processing system of the present invention, Tao Shi is further added in biochemical BAF ponds in carrier thereafter 5 ~ 20 parts of Powdered Activated Carbon so that filler has excellent adsorption capacity, can make biological cell and organic matter adsorbent solid surface, The high oxidization rate of local space is caused, breaks through the boundary of original concentration balance, extends the time of contact of microorganism and organic matter, Organic matter is set activated carbon surface adsorption capacity is restored again by rapid, thorough degraded, biological oxidation.
4th, petroleum and petrochemical industry wastewater to reach standard processing system of the present invention, it is easy that macromolecular hardly degraded organic substance is oxidized to small molecule by it Biochemical organic matter, and then improved the biochemical of water outlet, then by rear biochemical interior circulation BAF systems to the organic matter in water Mineralising is carried out, improves high saliferous phenol wastewater advanced treating effect；Secondly, the tolerance energy to high saliferous phenol wastewater is improved Power so that in the catalytic oxidation treatment process to saline sewage, catalyst ozone produces active hydroxyl radical free radical, to useless Water COD removal, decolouring, de- stench, degraded toxic pollutant and the good effect of biodegradability holding for improving waste water.
5th, petroleum and petrochemical industry wastewater to reach standard processing system of the present invention, it further uses high density polyethylene (HDPE) 60 ~ 70 in being formulated Resin material based on 10 ~ 15 parts of acrylic resin of part collocation, 6 ~ 8 parts of low density polyethylene (LDPE), adds 3 ~ 5 parts of maleic anhydride, drop The low contact angle of sewage and carrier, improves the hydrophily and impact resistance of carrier, makes microorganism be easier to be attached to carrier On, hydrophilic bio-carrier specific surface area is big, adsorptivity is extremely strong, can be prevented in water carrier outer surface adhere to microbial film because Rub and come off between carrier, it is short the time required to biofilm, improve waste water treatment efficiency；Secondly, 0.5 ~ 2 part of knot of magnetic during it is formulated 0.5 ~ 1 part of pentaerythritol stearate is closed, is advantageous to improve the biofilm amount of carrier biofilm.
Brief description of the drawings
Accompanying drawing 1 be handling process of the present invention based on special processor structural representation；
Accompanying drawing 2 is the partial structural diagram of accompanying drawing 1.
In the figures above：1st, catalysis oxidation pond；2nd, oxidation-stabilized pond；3rd, rear biochemical BAF ponds；4th, clear water reserviors；41st, intake Hole；42nd, apopore；51st, leading portion transfer conduit；52nd, back segment transfer conduit；6th, elevator pump；7th, inlet channel；8th, ozone occurs Device；9th, gas pipeline；10th, back segment reflux line；11st, backwashing pump；12nd, ozone catalytic particle；13rd, pool wall；14th, sieve plate；15th, it is pre- Handle one-level BAF ponds；16th, two level BAF ponds are pre-processed；17th, discharge bay；18th, comprehensive tank is diluted；181st, charge door；182nd, stir Device；19th, backwash sedimentation basin；201st, the first pipeline；202nd, backwash sedimentation basin；21st, leading portion supernatant liquid pool；22nd, backwashing pump is pre-processed； 23rd, leading portion reflux line；24th, air main；25th, biologic packing material area；26th, it is aerated passage；27th, aeration head；28th, branch wind pipe.
Embodiment
With reference to embodiment, the invention will be further described：
Embodiment：A kind of petroleum and petrochemical industry wastewater to reach standard processing system, including catalysis oxidation pond 1, oxidation-stabilized pond 2, rear biochemical BAF Pond 3, clear water reserviors 4, the comprehensive tank 18 of dilution, pretreated primary BAF ponds 15, pretreatment two level BAF ponds 16, air main 24 and discharge bay 17, dilution comprehensive tank 18, pretreated primary BAF ponds 15, pretreatment two level BAF ponds 16 and the discharge bay 17 pass sequentially through leading portion Transfer conduit 51 connects；
The catalysis oxidation pond 1, oxidation-stabilized pond 2, rear biochemical BAF ponds 3 and clear water reserviors 4 pass sequentially through back segment transfer conduit 52 and connected Connect, the discharge bay 17 is connected to inside catalysis oxidation pond 1 with catalysis oxidation pond 1 by inlet channel 7；
One ozone generator 8 is connected to inside catalysis oxidation pond 1 by gas pipeline 9, and the clear water reserviors 4 are provided with inlet opening 41st, apopore 42, the inlet opening 41 of the clear water reserviors 4 are connected with rear biochemical BAF ponds 3 by back segment transfer conduit 52, described clear Pond 4 is connected to the one end of a backwashing pump 11, and this other end of backwashing pump 11 is connected to catalysis oxidation pond by back segment reflux line 10 1st, inside rear biochemical BAF ponds 3, the catalysis oxidation pond 1 is filled with ozone catalytic particle 12 with fixed bed form, and the dilution is comprehensive Close tank 18 and be provided with charge door 181 and agitator 182；
Biochemical BAF ponds 3 include pool wall 13, sieve plate 14 and are aerated passage 26 after described, and the sieve plate 14 is horizontally placed on pool wall 13 Bottom, a biological packing area 25 is filled in the middle part of pool wall 13 and it is located at the upper surface of sieve plate 14, and the aeration passage 26 is positioned at life The centre of thing packing area 25, an aeration head 27 is positioned at aeration passage 26 bottom, 28 liang of a branch wind pipe in aeration passage 26 End is connected with air main 24 and aeration head 27 respectively.
A dividing plate 13 is vertically provided with above-mentioned catalysis oxidation pond 1, so as to which catalysis oxidation pond is divided into left and right chamber, The lower horizontal of catalysis oxidation pond 1 is provided with a sieve plate 14, and the lower end of this dividing plate 13 is installed to the upper surface of sieve plate 14, described Ozone catalytic particle 12 is located at the top of sieve plate 14 and is located at the both sides of dividing plate 13.
Also include the backwash sedimentation basin 19, leading portion supernatant liquid pool 21 and pretreatment backwashing pump 22 being sequentially connected, the backwash Sedimentation basin 19 is connected to pretreated primary BAF ponds 15, pretreatment two level BAF ponds 16 by the first pipeline 201, second pipe 201, The pretreatment backwashing pump 22 is connected to pretreated primary BAF ponds 15, pretreatment two level BAF ponds by leading portion reflux line 23 16。
Above-mentioned ozone generator 8 is connected to the bottom in catalysis oxidation pond 1 by gas pipeline 9.
Several biologic packing materials are placed with biochemical BAF ponds after above-mentioned, the biologic packing material is overlying on carrier by carrier and extension The microbial film composition on surface；
The carrier is made up of the component of following parts by weight, as shown in table 1：
Table 1
The density of above-mentioned use in waste water treatment suspension microorganism filler is 0.96~0.98g/cm3。
Above-mentioned white lime is with Tao Shi Powdered Activated Carbons and precipitated calcium carbonate according to 1：1.2：0.9 parts by weight mix.
A kind of manufacture method for above-mentioned suspension microorganism filler, comprise the following steps：
Step 1: taking 3 ~ 5 parts of maleic anhydride, they are dissolved with 2.5 kilograms of acetone acetone soln is made, be placed in mixer；
Step 2: 65 ~ 75 parts of high density polyethylene (HDPE), 10 ~ 15 parts of acrylic resin, white lime 5 ~ 15 are added into mixer again Part, 5 ~ 20 parts of Tao Shi Powdered Activated Carbons, 6 ~ 10 parts of precipitated calcium carbonate, 1.5 ~ 3 parts of gelatin, 1 ~ 2 part of chitin, ferroso-ferric oxide magnetic 0.8 ~ 2 part of powder and the uniformly mixing of 0.1 ~ 0.3 part of manganese-zinc ferrite, are placed in unlimited container after taking-up and allow acetone to volatilize naturally, Make solid；
Step 3: above-mentioned solid material is put into double screw extruder, melting extrusion is granulated；
Step 4: the particle produced above is put into 45 type single screw extrusion machines, by extrusion die extrusion forming, obtain Filler is cylinder, and axial cross reinforcing rib is set in it, sets axially radial fin on cylinder outer wall.
Petrochemical industry comprehensive wastewater processing unit of the present invention based on special processor, the course of work is as follows, including following steps Suddenly：
（1）High saliferous phenol wastewater squeezes into interior circulation BAF systems by pump, and sewage is lifted along aeration tube, then by biological bed, is formed Recycle stream.Water velocity inside packing layer reaches 20~30m/h, improves the mass transfer velocity between biomembrane and aqueous phase, improves The treatment efficiency and impact resistance of reactor, while prevent and gas caused by the channel to be formed directly is aerated to packing layer Water short circuit phenomenon occurs.The biochemical component of high saliferous phenol wastewater is degraded by the BAF systems of pretreatment, so as to drop Low bio-chemical effluent COD；
（2）Biochemistry pre-processes water outlet gravity flow into catalytic ozonation, rear biochemical interior circulation BAF coupling technique processing systems, should System carries out catalytic oxidation first with ozone, using a part of refractory organic of ozone oxidation, makes macromolecular Oxidation operation can improve the biodegradability of pretreatment water outlet into small organic molecule；
（3）Circulation BAF advanced treatment systems in catalytic ozonation water outlet is biochemical after entering, the biochemical reaction tank utilize domestication Mushroom carries out biodegradation to the small organic molecule of ozone oxidation water outlet, water outlet COD is further reduced.
The result of the test of the carrier of table 2
Kind of carrier The biofilm time（d） Water outlet COD（mg/L） Water outlet ammonia nitrogen（mg/L） COD clearances（%） Ammonia nitrogen removal frank（%）
Embodiment 1 9 35 0.018 82.5 95
Embodiment 2 10 34 0.026 82 96
Embodiment 3 10 35 0.025 81.5 95
Embodiment 4 10 33 0.02 81 94
From table 2, the carrier biofilm time prepared by the inventive method substantially shortens, and the clearance of COD and ammonia nitrogen significantly improves.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art Scholar can understand present disclosure and implement according to this, and it is not intended to limit the scope of the present invention.It is all according to the present invention The equivalent change or modification that Spirit Essence is made, it should all be included within the scope of the present invention.

Claims (4)

  1. A kind of 1. petroleum and petrochemical industry wastewater to reach standard processing system, it is characterised in that：Including catalysis oxidation pond（1）, oxidation-stabilized pond （2）, rear biochemical BAF ponds（3）, clear water reserviors（4）, the comprehensive tank of dilution（18）, pretreated primary BAF ponds（15）, pretreatment two level BAF Pond（16）, air main（24）And discharge bay（17）, the comprehensive tank of dilution（18）, pretreated primary BAF ponds（15）, pretreatment two Level BAF ponds（16）And discharge bay（17）Pass sequentially through leading portion transfer conduit（51）Connection；
    The catalysis oxidation pond（1）, oxidation-stabilized pond（2）, rear biochemical BAF ponds（3）And clear water reserviors（4）Pass sequentially through back segment transmission Pipeline（52）Connection, the discharge bay（17）With catalysis oxidation pond（1）Pass through inlet channel（7）It is connected to catalysis oxidation pond（1） It is internal；
    One ozone generator（8）Pass through gas pipeline（9）It is connected to catalysis oxidation pond（1）Inside, the clear water reserviors（4）It is provided with Inlet opening（41）, apopore（42）, the clear water reserviors（4）Inlet opening（41）With rear biochemical BAF ponds（3）Pass through back segment transfer tube Road（52）Connection, the clear water reserviors（4）It is connected to a backwashing pump（11）One end, this backwashing pump（11）The other end is flowed back by back segment Pipeline（10）It is connected to catalysis oxidation pond（1）, rear biochemical BAF ponds（3）Inside, the catalysis oxidation pond（1）With fixed bed form Filled with ozone catalytic particle（12）, the comprehensive tank of dilution（18）It is provided with charge door（181）And agitator（182）；
    Biochemical BAF ponds after described（3）Including pool wall（13）, sieve plate（14）With aeration passage（26）, the sieve plate（14）Level is set It is placed in pool wall（13）Bottom, a biological packing area（25）It is filled in pool wall（13）Middle part and its be located at sieve plate（14）Upper surface, institute State aeration passage（26）Positioned at biologic packing material area（25）Centre, an aeration head（27）Positioned at aeration passage（26）Bottom, one In aeration passage（26）Interior branch wind pipe（28）Both ends respectively with air main（24）And aeration head（27）Connection；
    Biochemical BAF ponds after described（3）Several biologic packing materials are inside placed with, the biologic packing material is overlying on carrier table by carrier and extension The microbial film composition in face；
    The carrier is made up of the component of following parts by weight：
    60 ~ 70 parts of high density polyethylene (HDPE),
    10 ~ 15 parts of acrylic resin,
    6 ~ 8 parts of low density polyethylene (LDPE),
    5 ~ 15 parts of white lime,
    5 ~ 20 parts of Tao Shi Powdered Activated Carbons,
    6 ~ 10 parts of precipitated calcium carbonate,
    3 ~ 5 parts of maleic anhydride,
    1.5 ~ 3 parts of gelatin,
    1 ~ 2 part of chitin,
    0.8 ~ 2 part of ferroferric oxide magnetic powder,
    0.1 ~ 0.3 part of manganese-zinc ferrite,
    0.5 ~ 1 part of pentaerythritol stearate；
    The density of the carrier is 0.96~0.98g/cm3。
  2. 2. petroleum and petrochemical industry wastewater to reach standard processing system according to claim 1, it is characterised in that：The catalysis oxidation pond （1）Inside vertically it is provided with a dividing plate（13）, so as to which catalysis oxidation pond is divided into left and right chamber.
  3. 3. petroleum and petrochemical industry wastewater to reach standard processing system according to claim 1, it is characterised in that：Also include what is be sequentially connected Backwash sedimentation basin（19）, leading portion supernatant liquid pool（21）With pretreatment backwashing pump（22）, the backwash sedimentation basin（19）Pass through first Pipeline（201）, second pipe（201）It is connected to pretreated primary BAF ponds（15）, pretreatment two level BAF ponds（16）, the pre- place Manage backwashing pump（22）Pass through leading portion reflux line（23）It is connected to pretreated primary BAF ponds（15）, pretreatment two level BAF ponds （16）.
  4. 4. petroleum and petrochemical industry wastewater to reach standard processing system according to claim 1, it is characterised in that：The ozone generator （8）Pass through gas pipeline（9）It is connected to catalysis oxidation pond（1）Bottom.
CN201610615925.6A 2016-08-01 2016-08-01 Petroleum and petrochemical industry wastewater to reach standard processing system Pending CN107673548A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109052850A (en) * 2018-09-03 2018-12-21 河南省众和环保科技有限公司 A kind of standard processing method of petroleum and the high sulfur-containing waste lye of coal chemical industry

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204874213U (en) * 2015-08-24 2015-12-16 苏州科环环保科技有限公司 Petrochemical industry waste water is with synthesizing water treatment facilities
CN105692880A (en) * 2016-01-27 2016-06-22 苏州科环环保科技有限公司 Suspended biological stuffing for water treatment

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204874213U (en) * 2015-08-24 2015-12-16 苏州科环环保科技有限公司 Petrochemical industry waste water is with synthesizing water treatment facilities
CN105692880A (en) * 2016-01-27 2016-06-22 苏州科环环保科技有限公司 Suspended biological stuffing for water treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109052850A (en) * 2018-09-03 2018-12-21 河南省众和环保科技有限公司 A kind of standard processing method of petroleum and the high sulfur-containing waste lye of coal chemical industry

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Application publication date: 20180209