CN107344795A - Petrochemical industry comprehensive wastewater processing unit - Google Patents
Petrochemical industry comprehensive wastewater processing unit Download PDFInfo
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- CN107344795A CN107344795A CN201610288898.6A CN201610288898A CN107344795A CN 107344795 A CN107344795 A CN 107344795A CN 201610288898 A CN201610288898 A CN 201610288898A CN 107344795 A CN107344795 A CN 107344795A
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- baf ponds
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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
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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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
- 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
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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
- 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
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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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
- 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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- 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
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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, including catalysis 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 and discharge bay；One ozone generator is connected to inside catalysis oxidation pond by gas pipeline, and the clear water reserviors are provided with inlet opening, apopore, and the inlet opening of the clear water reserviors is connected with rear biochemical BAF ponds by back segment transfer conduit；Biochemical BAF ponds include pool wall, sieve plate and are aerated passage afterwards, and the 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 realizes the high saliferous phenol wastewater advanced treating of petroleum chemical industry and qualified discharge under low cost.
Description
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
High saliferous high-concentration waste water has pollutant load height, toxicity is big, emission point is scattered, water is few, complex treatment process, investment and operating cost are high and the features such as management is difficult, and high-concentration industrial organic waste water be trigger water body seriously to pollute, the deterioration of the ecological environment, the major pollutants of threat health.The technology that there is application the country at present has Fenton technology, ultraviolet high-level oxidation technology, Wet Oxidation Process etc., and COD can be oxidizing to 1000mg/L or so by water outlet.But the problems such as it is harsh operating condition to be all present, and operating cost is high, and 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 high saliferous high concentration comprehensive wastewater processing unit of petrochemical industry, the petrochemical industry comprehensive wastewater processing unit operating cost is low, simple to operate, stable, and the purpose of efficient degradation organic pollution is obtained, the high saliferous high-concentration sewage advanced treating of petroleum chemical industry and qualified discharge under low cost can be achieved.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of petrochemical industry comprehensive wastewater processing unit, including catalysis 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, the dilution synthesis tank, pretreated primary BAF ponds, pretreatment two level BAF ponds pass sequentially through leading portion transfer conduit with discharge bay and connected, the catalysis oxidation pond, oxidation-stabilized pond, rear biochemical BAF ponds pass sequentially through back segment transfer conduit with clear water reserviors and 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, 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, inside rear biochemical BAF ponds by back segment reflux line, the catalysis oxidation pond is filled with ozone catalytic particle with fixed bed form, and 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, the sieve plate is horizontally placed on pool wall bottom, one biological packing area is filled in the middle part of pool wall and it is located at sieve plate upper surface, the aeration passage is located at biologic packing material area centre, one aeration 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 after described in biochemical BAF ponds, the microbial film that the biologic packing material is overlying on carrier surface by carrier and extension forms；
The carrier is made up of the component of following parts by weight：
High density polyethylene (HDPE)
65 ~ 75 parts,
Acrylic resin
10 ~ 15 parts,
White lime
5 ~ 15 parts,
Tao Shi Powdered Activated Carbons
5 ~ 20 parts,
Precipitated calcium carbonate
6 ~ 10 parts,
Maleic anhydride
3 ~ 5 parts,
Gelatin
1.5 ~ 3 parts,
Chitin
1 ~ 2 part,
Ferroferric oxide magnetic powder
0.8 ~ 2 part,
Manganese-zinc ferrite
0.1 ~ 0.3 part；
The density of the carrier is 0.96~0.98g/cm3。
Further improved technical scheme is as follows in above-mentioned technical proposal：
As preferred, a dividing plate is vertically provided with the catalysis oxidation pond, so as to which catalysis oxidation pond is divided into left and right chamber, catalysis oxidation pond lower horizontal is provided with a sieve plate, the lower end of this dividing plate is installed to the upper surface of sieve plate, and the ozone catalytic particle is located above sieve plate and is located at dividing plate both sides.
As preferred, also include the backwash sedimentation basin, leading portion supernatant liquid pool and pretreatment backwashing pump being sequentially connected, the backwash sedimentation basin is connected to pretreated primary BAF ponds, pretreatment two level BAF ponds by the first pipeline, second pipe, and the pretreatment 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, petrochemical industry comprehensive wastewater processing unit of the present invention, thereafter carrier biofilm speed is fast in biochemical BAF ponds, it is 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, the biologic packing material of the present invention has extremely strong hydrophily and bioaffinity, and filler has very strong adsorption strength to biomembrane in itself, be advantageous to the retention and accumulation of biomass on filling carrier, 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.
2nd, petrochemical industry comprehensive wastewater processing unit of the present invention, thereafter carrier further adds 0.1 ~ 0.3 part of 1.5 ~ 3 parts of gelatin, 0.8 ~ 2 part of ferroferric oxide magnetic powder and manganese-zinc ferrite in 65 ~ 75 parts of high density polyethylene (HDPE), 10 ~ 15 parts of acrylic resin, 6 ~ 10 parts of precipitated calcium carbonate, 3 ~ 5 parts of maleic anhydride in biochemical BAF ponds, filler is not only improved to carry compared with ferromagnetism formation magnetization effect, improve Pollutants in Wastewater conversion rate and efficiency, produce absorption affinity, the adsorbance on increase filler surface；Simultaneously, 1.5 ~ 3 parts of 0.2 ~ 0.6 part of cumyl peroxide, gelatin activity that can improve microorganism, microorganism is after magnetization in water, the microorganism for adapting to survive has bigger propagation and metabolic capability, so that organic pollution in the presence of low-intensity magnetic field, is acted on by magnetic force key, magnetic force, Lorentz force and mangneto cavity effect etc. and gathers through magnetic, adsorbs, being enriched to magnetic biological filling material surface；Oxygen is paramagnet, can be adsorbed under magnetic fields near biologic packing material during aeration, the oxygen concentration on increase filler surface, promote the breeding of aerobe, low-intensity magnetic field also has the function that the active and enzymatic activity of inducing microbial in addition；Again, it uses 1 ~ 2 part of collocation of 1.5 ~ 3 parts of gelatin and chitin to use so that and bio-carrier, shorten the biofilm cycle, and strengthen biomembrane adsorption strength, it is difficult for drop-off.
3rd, petrochemical industry comprehensive wastewater processing unit of the present invention, thereafter 5 ~ 20 parts of Tao Shi Powdered Activated Carbons are further added in biochemical BAF ponds in carrier, so that filler has excellent adsorption capacity, biological cell and organic matter adsorbent solid surface can be made, 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, petrochemical industry comprehensive wastewater processing unit of the present invention, macromolecular hardly degraded organic substance is oxidized to the easily biochemical organic matter of small molecule by it, and then improved the biochemical of water outlet, mineralising is carried out to the organic matter in water by rear biochemical interior circulation BAF systems again, improves high saliferous phenol wastewater advanced treating effect；Secondly, improve the tolerance to high saliferous phenol wastewater, so that in the catalytic oxidation treatment process to saline sewage, catalyst ozone produces active hydroxyl radical free radical, and the biodegradability of removal, decolouring, de- stench, degraded toxic pollutant and raising waste water to waste water COD keeps good effect.
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 one of accompanying drawing 1；
Accompanying drawing 3 is the partial structural diagram two 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, inlet opening；42nd, apopore；51st, leading portion transfer conduit；52nd, back segment transfer conduit；6th, elevator pump；7th, inlet channel；8th, ozone generator；9th, gas pipeline；10th, back segment reflux line；11st, backwashing pump；12nd, ozone catalytic particle；13rd, pool wall；14th, sieve plate；15th, pretreated primary BAF ponds；16th, two level BAF ponds are pre-processed；17th, discharge bay；18th, comprehensive tank is diluted；181st, charge door；182nd, agitator；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 petrochemical industry comprehensive wastewater processing unit, including catalysis oxidation pond 1, oxidation-stabilized pond 2, rear biochemical BAF ponds 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 and connected；
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, and 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, the clear water reserviors 4 are provided with inlet opening 41, apopore 42, the inlet opening 41 of the clear water reserviors 4 is connected with rear biochemical BAF ponds 3 by back segment transfer conduit 52, the clear water reserviors 4 are connected to the one end of a backwashing pump 11, this other end of backwashing pump 11 is connected to catalysis oxidation pond 1, inside rear biochemical BAF ponds 3 by back segment reflux line 10, the catalysis oxidation pond 1 is filled with ozone catalytic particle 12 with fixed bed form, and the comprehensive tank 18 of dilution is provided with charge door 181 and agitator 182；
Biochemical BAF ponds 3 include pool wall 13, sieve plate 14 and aeration passage 26 after described, the sieve plate 14 is horizontally placed on the bottom of pool wall 13, one 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, the aeration passage 26 is located at the centre of biologic packing material area 25, one aeration head 27 is connected with air main 24 and aeration head 27 respectively positioned at aeration passage 26 bottom, the both ends of branch wind pipe 28 in aeration passage 26.
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, the lower end of this dividing plate 13 is installed to the upper surface of sieve plate 14, and the 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, and the pretreatment backwashing pump 22 is connected to pretreated primary BAF ponds 15, pretreatment two level BAF ponds 16 by leading portion reflux line 23.
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 after above-mentioned in biochemical BAF ponds, the microbial film that the biologic packing material is overlying on carrier surface by carrier and extension forms；
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: the uniformly mixing of 0.1 ~ 0.3 part of 65 ~ 75 parts of high density polyethylene (HDPE), 10 ~ 15 parts of acrylic resin, 5 ~ 15 parts of white lime, 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, 0.8 ~ 2 part of ferroferric oxide magnetic powder and manganese-zinc ferrite is added into mixer again, it is placed in after taking-up in unlimited container and allows acetone to volatilize naturally, makes 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, obtained filler be cylinder, and axial cross reinforcing rib is set in it, sets axial 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, comprises the steps：
（1）High saliferous phenol wastewater squeezes into interior circulation BAF systems by pump, and sewage is lifted along aeration tube, then by biological bed, forms recycle stream.Water velocity inside packing layer reaches 20~30m/h, improve the mass transfer velocity between biomembrane and aqueous phase, the treatment efficiency and impact resistance of reactor are improved, while prevents the air water short circuit phenomenon being directly aerated to packing layer caused by the channel to be formed to occur.The biochemical component of high saliferous phenol wastewater is degraded by the BAF systems of pretreatment, so as to reduce bio-chemical effluent COD；
（2）Biochemistry pre-processes water outlet gravity flow into catalytic ozonation, rear biochemical interior circulation BAF coupling technique processing systems, the system carries out catalytic oxidation first with ozone, utilize a part of refractory organic of ozone oxidation, larger molecular organicses is oxidized to small organic molecule, while the biodegradability of pretreatment water outlet can be improved；
（3）Circulation BAF advanced treatment systems in biochemistry after catalytic ozonation water outlet enters, the biochemical reaction tank carry out biodegradation to the small organic molecule of ozone oxidation water outlet using the mushroom of domestication, 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 | 36 | 2 | 80.5 | 96 |
| Embodiment 2 | 10 | 34 | 2 | 83 | 97 |
| Embodiment 3 | 10 | 35 | 2 | 82 | 96 |
| Embodiment 4 | 9 | 37 | 2 | 79.5 | 97 |
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 to understand present disclosure and implement according to this, it is not intended to limit the scope of the present invention.Any equivalent change or modification in accordance with the spirit of the invention, it should all be included within the scope of the present invention.
Claims (4)
- A kind of 1. petrochemical industry comprehensive wastewater processing unit, 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 ponds（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 transfer conduit（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 conduit（52）Connection, the clear water reserviors（4）It is connected to a backwashing pump（11）One end, this backwashing pump（11）The other end passes through back segment reflux line（10）It is connected to catalysis oxidation pond（1）, rear biochemical BAF ponds（3）Inside, the catalysis oxidation pond（1）Ozone catalytic particle is filled with fixed bed form（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）It is horizontally placed on 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, the aeration passage（26）Positioned at biologic packing material area（25）Centre, an aeration head（27）Positioned at aeration passage（26）Bottom, one positioned at 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 microbial film that the biologic packing material is overlying on carrier surface by carrier and extension forms；The carrier is made up of the component of following parts by weight：65 ~ 75 parts of high density polyethylene (HDPE),10 ~ 15 parts of acrylic resin,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；The density of the carrier is 0.96~0.98g/cm3。
- 2. petrochemical industry comprehensive wastewater processing unit 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. petrochemical industry comprehensive wastewater processing unit according to claim 1, it is characterised in that：Also include the backwash sedimentation basin being sequentially connected（19）, leading portion supernatant liquid pool（21）With pretreatment backwashing pump（22）, the backwash sedimentation basin（19）Pass through the first pipeline（201）, second pipe（201）It is connected to pretreated primary BAF ponds（15）, pretreatment two level BAF ponds（16）, the pretreatment 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. petrochemical industry comprehensive wastewater processing unit 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.
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| CN201610288898.6A CN107344795A (en) | 2016-05-04 | 2016-05-04 | Petrochemical industry comprehensive wastewater processing unit |
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Citations (2)
| 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 |
| CN105481083A (en) * | 2016-01-27 | 2016-04-13 | 苏州科环环保科技有限公司 | Suspended microbial packing for wastewater treatment and preparation method thereof |
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Patent Citations (2)
| 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 |
| CN105481083A (en) * | 2016-01-27 | 2016-04-13 | 苏州科环环保科技有限公司 | Suspended microbial packing for wastewater treatment and preparation method thereof |
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Application publication date: 20171114 |