CN107739125A - A kind of alkaline residue processing method - Google Patents
A kind of alkaline residue processing method Download PDFInfo
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- CN107739125A CN107739125A CN201710902493.1A CN201710902493A CN107739125A CN 107739125 A CN107739125 A CN 107739125A CN 201710902493 A CN201710902493 A CN 201710902493A CN 107739125 A CN107739125 A CN 107739125A
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- alkaline residue
- reaction tank
- physical reaction
- processing method
- alkaline
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- 238000003672 processing method Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 claims abstract description 45
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000012545 processing Methods 0.000 claims abstract description 31
- 230000008569 process Effects 0.000 claims abstract description 25
- 239000002253 acid Substances 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000005189 flocculation Methods 0.000 claims abstract description 14
- 230000016615 flocculation Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 12
- 230000003647 oxidation Effects 0.000 claims abstract description 7
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 19
- 239000010865 sewage Substances 0.000 claims description 13
- 239000007800 oxidant agent Substances 0.000 claims description 12
- 238000004140 cleaning Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- 239000000706 filtrate Substances 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 8
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical group C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 8
- 238000006303 photolysis reaction Methods 0.000 claims description 6
- 238000004062 sedimentation Methods 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 5
- 238000005273 aeration Methods 0.000 claims description 4
- 239000003153 chemical reaction reagent Substances 0.000 claims description 4
- 230000003247 decreasing effect Effects 0.000 claims description 4
- 150000007524 organic acids Chemical class 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 208000023445 Congenital pulmonary airway malformation Diseases 0.000 claims 1
- 239000002699 waste material Substances 0.000 abstract description 20
- 239000003513 alkali Substances 0.000 abstract description 14
- 238000004332 deodorization Methods 0.000 abstract description 9
- 238000010790 dilution Methods 0.000 abstract description 6
- 239000012895 dilution Substances 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000002440 industrial waste Substances 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 12
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 5
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 4
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 3
- 238000007600 charging Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- RMVRSNDYEFQCLF-UHFFFAOYSA-N thiophenol Chemical compound SC1=CC=CC=C1 RMVRSNDYEFQCLF-UHFFFAOYSA-N 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 238000009874 alkali refining Methods 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000001877 deodorizing effect Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000003568 thioethers Chemical class 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 125000002947 alkylene group Chemical group 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
-
- 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
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- 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
- C02F3/28—Anaerobic digestion processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention discloses a kind of alkaline residue processing method, belongs to industrial waste processing technology field.The inventive method includes the processes such as alkaline residue dilution, acid adding, oxidation, deodorization, the flocculation filtration of alkali residue waste liquid and biochemical treatment, with the characteristics of technique is simple, cost is cheap, applicability is wide, it weakens the difficulty and complexity of alkaline residue processing by way of being diluted with water alkaline residue, treatment effect is improved, is a kind of important improvement to prior art.
Description
Technical field
The present invention relates to industrial waste processing technology field, particularly relates to a kind of alkaline residue processing method.
Background technology
In the subtractive process of oil refining and ethene, to remove the sulfide in product, generally use alkali washing process, in alkali cleaning
During can produce the largely alkaline residue containing high density sulfides and hardly degraded organic substance.In these alkaline residues, (chemistry needs its COD
Oxygen amount), the discharge capacity of sulfide and phenol account for the 40%~50% of oil plant gross contamination emission, it directly affects oil
The normal operation of plant effuent treatment facility and wastewater treatment efficiency；Further, since alkaline residue has severe corrosive, to conveying equipment
There is corrosion skiving phenomenon with storage tank, cause potential safety hazard, considerably increase the operating cost of processing.
There is the main source of alkaline residue in petroleum refining industry process：Liquid hydrocarbon alkali refining process, Alkali cleaning of gasoline process,
Diesel caustic washing process and ethene chemical plant ethene cracking gas alkaline cleaning procedure.The species and concentration of its pollutant regard processing crude oil
The difference of species and process and have very big difference.Major pollutants have vulcanized sodium, mercaptan, thioether, phenol, thiophenol, thiophene, quinone
With tens kinds of organic matters such as aphthenic acids.These Wastewater Pollutant concentration are high, toxicity is big, biodegradability is poor, therefore are difficult to be given birth to
Thing is degraded.With increasingly strict and to pollutant transfer the strict control of country and local government to environmental requirement, how
Economic, environmental protection and efficiently complete various alkaline residues harmless treatment turned into each Petrochemical Enterprises environmental issue urgently to be resolved hurrily it
One.
The processing of alkaline residue mainly includes two aspect contents：First, caused a large amount of foul gas remove in alkaline residue processing procedure
It is smelly；Second, COD and the controls up to par of other amount of pollutants in alkaline sewage.At present, for alkaline residue treatment technology, many enterprises
Substantial amounts of research work has been carried out with R＆D institution, but has not yet obtained preferable treatment effect；In addition, most of alkaline residue COD is inclined
Height, produces in processing procedure smelly large-minded, machine utilization ability to bear deficiency, causes prior art treatment effect bad, up to not
To discharging standards, especially when a large amount of difficult degradation toxic organic compounds enter activated sludge biochemical processing system, microorganism
Bacterium colony adaptability and poor processing effect, systemic breakdown can be caused.Therefore, it is necessary to research and develop a kind of practical, efficient, investment
Less, cheap, the innoxious handling process of processing cost.
The content of the invention
In view of this, the present invention proposes a kind of alkaline residue processing method, and it has the characteristics of efficiency high, cost is low, Neng Gouyou
Effect ground carries out harmless treatment to the alkaline residue in a variety of sources.
Based on above-mentioned purpose, technical scheme provided by the invention is：
A kind of alkaline residue processing method, it comprises the following steps：
(1) total input amount according to the pH value of pending alkaline residue, COD value and pending alkaline residue in physical reaction tank,
Enough water is previously added in physical reaction tank so that the COD value when alkaline residue of total input amount is dissolved in enough water is less than 50,000 mg/
L；
(2) microbubble generator on physical reaction tank and the deodoration system being connected with physical reaction tank are opened, then
Pending alkaline residue is slowly added into physical reaction tank several times；
(3) after often putting into an alkaline residue, the acid adding into physical reaction tank, the COD value of material liquid is made to control in 5000mg/L
Hereinafter, carry out alkaline residue input next time again when the foul smell amount of alkaline residue release is greatly decreased, repeat aforesaid operations, until adding institute
Alkaline residue to be handled；
(4) after input institute alkaline residue to be handled, oxidant is added into physical reaction tank, is down to the COD value of material liquid
Less than 3000, simultaneous oxidation agent adjusts the pH value of material liquid to 6~9；
(5) material in physical reaction tank is transferred to flocculation filtration system, flocculant is added in flocculation filtration system,
The SS thing in material liquid is settled, is then removed the SS thing in material liquid by filtering, mistake
Filter residue after filter is sent to active sludge processing system and handled；
(6) anaerobism, aerobic and precipitation biochemical treatment are carried out successively to the filtrate after filtering, the filtrate after guarantee processing meets
National sewage second-level discharge standard.
Optionally, during acid adding and oxidizer, the microbubble generator is carried out to the physical reaction tank
Continuous aeration, so as to which the foul smell for reacting generation is sent into the deodoration system and handled by air supporting and stripping effect.
Optionally, the deodoration system includes the spray column and the efficient photodissociation cleaning equipments of UV being sequentially connected in series.
Optionally, the Anaerobic Treatment in the step (6) is carried out in anaerobic jar, and Aerobic Process for Treatment is carried out in aerobic tank,
Precipitation process is carried out in sedimentation basin.
Optionally, the acid is the mix acid liquor comprising hydrochloric acid and organic acid.
Optionally, the oxidant is phenolphthalein reagent.
Optionally, the flocculant includes the PAC and CPAM successively added.
From narration above as can be seen that the beneficial effect of technical solution of the present invention is：
1st, it is higher for its complicated component of alkaline residue, COD caused by current Petrochemical Enterprises and poisonous containing a small amount of difficult degradation
The problems such as organic matter, the present invention, which repeatedly adds the method that alkaline residue is diluted by small lot, realizes the high efficiency of alkaline residue processing
With subsequent treatment stability, meanwhile, can be stronger with the concentration of flexible modulation alkaline residue, adaptability using the method for dilution.
2nd, the inventive method is combined by the plural serial stage of deodorization process equipment, can realize the efficient deodorization of foul smell and net
Change, and the industrial waste gas after deodoration system is handled, harmless discharge can be fully achieved, do not produce secondary pollution, meanwhile, this hair
Bright method can also play a part of carrying out high-effective disinfecting sterilization to waste gas.
3rd, a full set of technique of the present invention operates at normal temperatures and pressures, and investment is small, operating cost is low, management is simple, does not produce
Secondary pollution, and pollutants removal rate is high, and project investment has the characteristics of income is good, and return rate is high.Meanwhile use this technique
The minimizing, innoxious of alkaline residue processing can be achieved, there is important environment protection significance, and during Industry Promotion, also for
Society provides part job, there is good social benefit.
4th, the inventive method can be used for liquid hydrocarbon alkali refining process, Alkali cleaning of gasoline process, diesel caustic washing process and second
The alkaline residues caused by link such as alkylene factory ethene cracking gas alkaline cleaning procedure are handled, and applicability is wide.
In a word, the inventive method is using dilution and the synergy of multi-level handling system, by by foul gas and waste liquid
After separation, the mode of harmless treatment is carried out to waste gas and waste liquid respectively so that after deodoration system and biochemical system processing
Waste gas, waste liquid can reach national pollution emission standard.In addition, the inventive method by way of being diluted with water alkaline residue, weakens
The difficulty and complexity of alkaline residue processing, have the characteristics of technique is simple, cost is cheap, applicability is wide, are one to prior art
Kind important improvement.
Brief description of the drawings
In order to clearly describe this patent, one or more accompanying drawing is provided below, these accompanying drawings are intended to this patent
Background technology, technical principle and/or some specific embodiments make aid illustration.It should be noted that these accompanying drawings can
It can not also provide some to provide and have been described and belong to known in those of ordinary skill in the art often at this patent word segment
The detail of knowledge；Also, because one of ordinary skill in the art can combine the published word content of this patent completely
And/or accompanying drawing content, more accompanying drawings, therefore these accompanying drawings below are designed in the case where not paying any creative work
Can cover can not also cover all technical schemes that this patent word segment is described.In addition, these accompanying drawings is specific interior
Containing needs the word content with reference to this patent to be determined, when word content and some obvious knot in these accompanying drawings of this patent
, it is necessary to which to carry out comprehensive descision be this on earth with reference to the narration of the common knowledge and this patent other parts of this area when structure is not consistent
The word segment of patent, which exists to exist in clerical mistake, or accompanying drawing, draws mistake.Especially, the following drawings is the figure of exemplary in nature
Piece, it is not intended that imply the protection domain of this patent, one of ordinary skill in the art is by reference to the text disclosed in this patent
Word content and/or accompanying drawing content, more accompanying drawings can be designed in the case where not paying any creative work, these are new
Technical scheme representated by accompanying drawing is still within the protection domain of this patent.
Fig. 1 is a kind of process principle figure of the embodiment of the present invention.
Embodiment
For the ease of understanding of the those skilled in the art to the art of this patent scheme, meanwhile, in order that the technology of this patent
Purpose, technical scheme and beneficial effect are clearer, and the protection domain of claims is fully supported, below with tool
The form of body case makes further, more detailed description to the technical scheme of this patent.
A kind of alkaline residue processing method, it comprises the following steps：
(1) total input amount according to the pH value of pending alkaline residue, COD value and pending alkaline residue in physical reaction tank,
Enough water is previously added in physical reaction tank so that the COD value when alkaline residue of total input amount is dissolved in enough water is less than 50,000 mg/
L；
(2) microbubble generator on physical reaction tank and the deodoration system being connected with physical reaction tank are opened, then
Pending alkaline residue is slowly added into physical reaction tank several times；
(3) after often putting into an alkaline residue, the acid adding into physical reaction tank, the COD value of material liquid is made to control in 5000mg/L
Hereinafter, carry out alkaline residue input next time again when the foul smell amount of alkaline residue release is greatly decreased, repeat aforesaid operations, until adding institute
Alkaline residue to be handled；
(4) after input institute alkaline residue to be handled, oxidant is added into physical reaction tank, is down to the COD value of material liquid
Less than 3000, simultaneous oxidation agent adjusts the pH value of material liquid to 6~9；
(5) material in physical reaction tank is transferred to flocculation filtration system, flocculant is added in flocculation filtration system,
The SS thing in material liquid is settled, is then removed the SS thing in material liquid by filtering, mistake
Filter residue after filter is sent to active sludge processing system and handled；
(6) anaerobism, aerobic and precipitation biochemical treatment are carried out successively to the filtrate after filtering, the filtrate after guarantee processing meets
National sewage second-level discharge standard.
Optionally, during acid adding and oxidizer, the microbubble generator is carried out to the physical reaction tank
Continuous aeration, so as to which the foul smell for reacting generation is sent into the deodoration system and handled by air supporting and stripping effect.
Optionally, the deodoration system includes the spray column and the efficient photodissociation cleaning equipments of UV being sequentially connected in series.
Optionally, the Anaerobic Treatment in the step (6) is carried out in anaerobic jar, and Aerobic Process for Treatment is carried out in aerobic tank,
Precipitation process is carried out in sedimentation basin.
Optionally, the acid is the mix acid liquor comprising hydrochloric acid and organic acid.
Optionally, the oxidant is phenolphthalein reagent.
Optionally, the flocculant includes the PAC (aluminium polychloride) and CPAM (cation polypropylene acyls successively added
Amine).
As shown in figure 1, the whole technique of the present invention includes dilution, acid adding and oxidation, deodorization, flocculation filtration and biochemical successively
Process procedure, its detailed process operating process such as processing are：(1) dilute：It will add and set in alkali residue waste liquid physical reaction tank first
The water of meter ratio, air compressor, microbubble generator and deodoration system equipment are then turned on, by alkaline residue material by the small of design
Batch is added to the water several times；(2) acid adding and oxidation：For the first time after a small amount of chargings, by acid adding medicinal cupping to the alkaline residue after dilution
Appropriate acid solution is added in waste liquid, when caused foul gas is greatly decreased in waste liquid, then second is put into alkali residue waste liquid
Secondary a small amount of alkaline residue materials, and aforesaid operations are repeated, until adding all alkaline residues, appropriate oxidant is then added thereto again with most
Adjustment COD and pH eventually；(3) deodorization：The foul gas discharged from alkali residue waste liquid physical reaction tank, first pass around alkali lye spray
Tower, spray the alkali lye to get off and significantly absorb foul gas and react, spray liquid is sent to sewage treatment plant again after collecting
Processing, the tail gas after spray is by the efficient photodissociation cleaning equipments of UV, to residual odor gas molecule high energy in tail gas point
Solution, makes its Degradation and Transformation into low molecular compound, water and carbon dioxide etc., most afterwards through exhaust duct qualified discharge；(4) flocculated
Filter：Waste liquid is transferred in waste liquid flocculation tank, by adding appropriate flocculant, made under the SS thing sedimentation in waste liquid
Come, be finally sent in filtering tank, be filtered to remove flocculate therein, filter residue is sent at active sludge processing system
Reason；(5) biochemical treatment：Filtrate after filtering enters biochemical treatment system, and it is biochemical to pass sequentially through anaerobism, aerobic and precipitation
Process, the degraded of remaining organic matter in waste liquid is completed, ensures that sedimentation basin outlet sewage can reach national sewage second-level discharge standard,
Finally sewage treatment plant is sent to again to be handled.
The characteristics of technique is simple, cost is cheap, applicability is wide it can be seen that the inventive method has, it is by being diluted with water alkali
The mode of slag weakens the difficulty and complexity of alkaline residue processing, improves treatment effect, is that a kind of of prior art important is changed
Enter.
As a case, by taking the Alkaline Residue In Oil Refineries of Shandong as an example.(pH value ＞ 14, CODcr are undiluted alkaline residue as former state
927000mg/L, ammonia nitrogen 293mg/L, sulfide 6220mg/L, petroleum content 599mg/L, volatile phenol 11000mg/L) pass through
This alkaline residue efficient deodorizing and harmless treatment process processing, its processing method and result are as follows：
(1) 19 parts of water are added in alkali residue waste liquid physical reaction equipment, 1 part of alkaline residue (being divided into 5 times to add), open microbubble
Generator and deodorizing device, appropriate hydrochloric acid and organic acid mix acid liquor are added after putting into alkaline residue every time, until charging finishes, finally
Add phenolphthalein reagent, the sampled monitoring of waste liquid after processing：PH is 4.82, CODcr 2320mg/L, ammonia nitrogen 3.08mg/L, is vulcanized
Thing ND, petroleum content 0.13mg/L, volatile phenol 5.93mg/L.
(2) caused foul gas row up to standard after spray column and the efficient photodissociation cleaning equipment processing of UV in course of reaction
Put, the spray liquid after deodorization, which is collected, is sent into sewage treatment plant, and reacted waste liquid is sent into flocculation tank.
(3) appropriate PAC and CPAM are added successively into flocculation tank, treats that flocculation moved to mixing suspension after completing
Filter tank, coagulated particles thing is filtered to remove, then filtered fluid is sent into biochemical treatment system.
(4) in biochemical treatment system, filtrate passes sequentially through anaerobic-aerobic-precipitation biochemistry process, in the effect of microorganism
Under, the sewage after biochemical treatment can reach national sewage second-level discharge standard, and water outlet does not have obvious smell, can be sent to
Sewage treatment plant is handled.
In a word, the inventive method include alkaline residue dilution, acid adding, oxidation, deodorization, alkali residue waste liquid flocculation filtration and it is biochemical at
The processes such as reason.The characteristics of for producing alkaline residue in different Petrochemical Enterprises process, alkaline residue processing effect is improved by being diluted with water
Fruit, and by the way of multiple charging and multiple dosing step-reaction, the concentration of flexible modulation alkali residue waste liquid is to meet subsequently to locate
Reason requires；Meanwhile along with Continuous aeration during the course of the reaction and add other appropriate oxidants, the enhancing of disturbance of air
Learn the speed and efficiency of reaction, and oxygen in air and the oxidant that additionally adds ensure that the high efficiency that alkaline residue is handled.Reaction
During caused foul smell deodorization and waste gas row up to standard are completed after deodorization spray column and UV photodissociation cleaning equipment continuous processings
Put；Waste liquid is transferred to flocculation tank, by adding flocculant and filtering, removes microparticle in waste liquid, is up to biochemical want afterwards
The waste water asked carries out one-level biochemical treatment, is finally reached national sewage second-level discharge standard.
It is to be appreciated that to be intended merely to facilitate this area common for the above-mentioned narration for this patent embodiment
The exemplary description that technical staff understands this patent scheme and enumerated, does not imply that the protection domain of this patent is limited solely to
In this few example, those of ordinary skill in the art completely can on the premise of making and fully understanding to the art of this patent scheme,
In the form of not paying any creative work, by taking each example cited by this patent combination technique feature, replacing
Some technical characteristics, more technical characteristics etc. mode is added, obtain more embodiments, all these specific implementations
Mode is within the covering scope of patent claims book, and therefore, these new embodiments also should be in this patent
Protection domain within.
In addition, for the purpose for simplifying narration, this patent may also not enumerate some ordinary specific embodiments, this
A little schemes are that those of ordinary skill in the art can expect naturally after it understanding of the art of this patent scheme, it is clear that this
A little schemes should be also included within the protection domain of this patent.
For the purpose for simplifying narration, above-mentioned each embodiment may only up to for the extent of disclosure of ins and outs
The degree that can voluntarily make a decision to those skilled in the art, i.e. there is no disclosed ins and outs for above-mentioned embodiment,
Those of ordinary skill in the art completely can be in the case where not paying any creative work, in filling for the art of this patent scheme
Divide under prompting, completed by means of the disclosed document of textbook, reference book, paper, patent, audio-visual product etc., or, this
A little details are the contents that can voluntarily be maked decision according to actual conditions under being generally understood that of those of ordinary skill in the art.
It can be seen that even if these underground ins and outs, the open adequacy of the art of this patent scheme will not also be impacted.
In a word, it is any on the basis of explanation effect of the patent specification to claims protection domain is combined
Fall into the specific embodiment of patent claims book covering scope, within the protection domain of this patent..
Claims (7)
1. a kind of alkaline residue processing method, it is characterised in that comprise the following steps：
(1) total input amount according to the pH value of pending alkaline residue, COD value and pending alkaline residue in physical reaction tank, in materialization
Enough water is previously added in retort so that the COD value when alkaline residue of total input amount is dissolved in enough water is less than 50,000 mg/L；
(2) microbubble generator on physical reaction tank and the deodoration system being connected with physical reaction tank are opened, then will be treated
Processing alkaline residue is slowly added into physical reaction tank several times；
(3) after often putting into an alkaline residue, the acid adding into physical reaction tank, the COD value of material liquid is made to control in below 5000mg/L,
Carry out alkaline residue input next time again when the foul smell amount of alkaline residue release is greatly decreased, repeat aforesaid operations, needed until adding
Handle alkaline residue；
(4) after input institute alkaline residue to be handled, oxidant is added into physical reaction tank, the COD value of material liquid is down to 3000
Hereinafter, simultaneous oxidation agent adjusts the pH value of material liquid to 6~9；
(5) material in physical reaction tank is transferred to flocculation filtration system, adds flocculant in flocculation filtration system, make thing
SS thing sedimentation in feed liquid, is then removed the SS thing in material liquid by filtering, after filtering
Filter residue be sent to active sludge processing system and handled；
(6) anaerobism, aerobic and precipitation biochemical treatment are carried out successively to the filtrate after filtering, the filtrate after guarantee processing meets country
Sewage second-level discharge standard.
2. alkaline residue processing method according to claim 1, it is characterised in that during acid adding and oxidizer, institute
State microbubble generator and Continuous aeration is carried out to the physical reaction tank, so as to which by air supporting and stripping effect generation will be reacted
Foul smell is sent to the deodoration system and handled.
3. alkaline residue processing method according to claim 2, it is characterised in that the deodoration system includes the spray being sequentially connected in series
Drench tower and the efficient photodissociation cleaning equipments of UV.
4. alkaline residue processing method according to claim 1, it is characterised in that the Anaerobic Treatment in the step (6) is being detested
Carried out in oxygen tank, Aerobic Process for Treatment is carried out in aerobic tank, and precipitation process is carried out in sedimentation basin.
5. alkaline residue processing method according to claim 1, it is characterised in that the acid is mixed comprising hydrochloric acid and organic acid
Close acid solution.
6. alkaline residue processing method according to claim 1, it is characterised in that the oxidant is phenolphthalein reagent.
7. alkaline residue processing method according to claim 1, it is characterised in that the flocculant includes the PAC successively added
And CPAM.
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| CN110092538A (en) * | 2019-04-28 | 2019-08-06 | 上海大学 | Refinery basic sewage waste water classification processing combined technical method |
| CN111333094A (en) * | 2020-03-10 | 2020-06-26 | 广东玉峰粉体材料股份有限公司 | Method for efficiently separating chloride ions and calcium carbonate in industrial alkaline residue white mud |
| CN112546530A (en) * | 2020-11-20 | 2021-03-26 | 李开春 | Harmless treatment and resource utilization method for alkali slag generated in preparation of soda ash by ammonia-soda process |
| CN112934919A (en) * | 2021-02-05 | 2021-06-11 | 云南大地丰源环保有限公司 | Method for treating waste anhydrous aluminum chloride |
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| CN112934919A (en) * | 2021-02-05 | 2021-06-11 | 云南大地丰源环保有限公司 | Method for treating waste anhydrous aluminum chloride |
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