CN104529060B - A kind of system that efficiently process of petrochemical wastewater - Google Patents

A kind of system that efficiently process of petrochemical wastewater Download PDF

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Publication number
CN104529060B
CN104529060B CN201410758357.6A CN201410758357A CN104529060B CN 104529060 B CN104529060 B CN 104529060B CN 201410758357 A CN201410758357 A CN 201410758357A CN 104529060 B CN104529060 B CN 104529060B
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pond
water
waste oil
oil
oily components
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CN104529060A (en
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朱玉兵
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Haimen Chuanghao Industrial Design Co ltd
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Priority to CN201610124399.3A priority Critical patent/CN105621811B/en
Priority to CN201610124420.XA priority patent/CN105621812B/en
Priority to CN201610126315.XA priority patent/CN105693024B/en
Priority to CN201410758357.6A priority patent/CN104529060B/en
Priority to CN201610126317.9A priority patent/CN105712581B/en
Application filed by Individual filed Critical Individual
Priority to CN201610124394.0A priority patent/CN105621810B/en
Priority to CN201610124434.1A priority patent/CN105621813B/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002—Organic membrane manufacture
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0079—Manufacture of membranes comprising organic and inorganic components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/02—Inorganic material
    • B01D71/04—Glass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2325/00—Details relating to properties of membranes
    • B01D2325/36—Hydrophilic membranes
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • 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
    • C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • 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
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
    • C02F1/56—Macromolecular compounds
    • 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
    • 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
    • C02F2101/10—Inorganic compounds
    • C02F2101/20—Heavy metals or heavy metal compounds
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
    • C02F2103/36—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds
    • C02F2103/365—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32 from the manufacture of organic compounds from petrochemical industry (e.g. refineries)
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
    • C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
    • 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
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Biological Treatment Of Waste Water (AREA)

Abstract

The present invention relates to the efficient process system of a kind of petrochemical wastewater, including setting gradually, the front latter linked rough filtering device that waste oil water is carried out coarse filtration, waste oil water is neutralized the regulating reservoir of adjustment, ion precipitation pond/ionic adsorption pond that lead ion in waste oil water is easily separated, the oil-water separation tank that oily components in waste oil water is easily separated, sewage after separating is carried out the Aeration tank of biochemical treatment and the sewage after biochemical treatment carries out the sand filtering device of sand filtration, the liquid outlet of oil-water separation tank arranges hydrophilic oleophobic defecator, oil-water separation tank is connected with oily components retracting device. said system, lead ion in leaded waste oil water can be removed by completely, and oily components and aqueous components are separated reliably, oily components is fished for reuse, and reduces cost and the cycle of follow-up biochemical treatment, it is achieved the efficient process of waste water.

Description

A kind of system that efficiently process of petrochemical wastewater
Technical field
The present invention relates to sewage treatment area, be specifically related to the efficient process system of a kind of petrochemical wastewater.
Background technology
Petroleum chemical industry can produce substantial amounts of oil-polluted water, simultaneously as the particularity of petroleum chemical industry, possibly together with lead ion in usual sewage. At present, also having the numerous method and system for processing oil-polluted water of bibliographical information, but lead ion, oily components cannot be processed by mostly simultaneously, often most lead ion is deposited in the precipitating sludge in subsequent biochemical pond, forming leaded mud, it is more difficult to process.
Summary of the invention
It is an object of the invention to provide the efficient process system of a kind of petrochemical wastewater, the oily components in oily waste water can be reclaimed by it, the lead ion in sewage is processed simultaneously.
For achieving the above object, present invention employs techniques below scheme:
A kind of system that efficiently process of petrochemical wastewater, including setting gradually, the front latter linked rough filtering device that waste oil water is carried out coarse filtration, waste oil water is neutralized the regulating reservoir of adjustment, ion precipitation pond/ionic adsorption pond that lead ion in waste oil water is easily separated, the oil-water separation tank that oily components in waste oil water is easily separated, sewage after separating is carried out the Aeration tank of biochemical treatment and the sewage after biochemical treatment carries out the sand filtering device of sand filtration, the liquid outlet of oil-water separation tank arranges hydrophilic oleophobic defecator, oil-water separation tank is connected with oily components retracting device. oily components retracting device is fished for the oily components of recovery and can be recycled.
Detailed scheme is: be provided with the dog-house of the magnetic biological adsorption agent for adding adsorpting lead ion/add mechanism on ionic adsorption pond, air-blowing mouth is set at the bottom of the pond in ionic adsorption pond, air-blowing mouth place arranges filter, ionic adsorption pond is set side by side with multiple, is provided with defecator between ionic adsorption pond and oil-water separation tank. Ion precipitation pond is provided with the dog-house for adding flocculant/add mechanism on being, the trachea that vertical shape is arranged it is provided with in ion precipitation pond, the tube wall of trachea is uniformly arranged pore, QI KOU place arranges filter, being provided with precipitate and separate pond between ion precipitation pond and oil-water separation tank, precipitate and separate pond is set up in parallel multiple.Flocculant can be the one in polyacrylamide, sodium polyacrylate or its mixture. The seriality being primarily intended to guarantee sewage disposal in multiple ionic adsorption pond or precipitate and separate pond is set, avoid because of single cell body carry out precipitation process time, other equipment of whole sewage disposal system are just out of service, improve seriality and efficiency that whole system is run. Meanwhile, Aeration tank is also set up in parallel multiple.
Hydrophilic oleophobic defecator includes hydrophilic oleophobic membrane, and hydrophilic oleophobic membrane is prepared by following operation: first with dipping by lye, the stainless (steel) wire of 600 orders is cleaned 20min, then with organic solvent ultrasonic cleaning 20min, is dried by stainless (steel) wire after ultrasonic cleaning; Subsequently stainless (steel) wire is placed in the first compositional liquor impregnate 54h, dipping terminate after with deionized water clean and naturally dry; Finally steel wire the second compositional liquor will impregnate 20h, clean with deionized water after taking-up and naturally dry, organic solvent is that ethanol and acetone are prepared according to the volume ratio of 1.5:1 and obtained, first compositional liquor is that trishydroxymethylaminomethane, dopamine hydrochloride and hydrochloric acid solution preparation obtain, and in the first compositional liquor, trishydroxymethylaminomethane content is 8.2g/L, dopamine hydrochloride content is 5.6g/L, PH=8.5; Second compositional liquor is that TGA, sulfosuccinic acid, sodium hydroxide preparation obtain, and in the second compositional liquor, TGA content is 2.48g/L, sulfosuccinic acid content is 3.8g/L, PH=12.5.
Above-mentioned prepared hydrophilic oleophobic membrane, by detecting, its contact angle with water droplet is 0 °, being 142 ° with the contact angle of oil droplet, when oil water mixture is filtered, oily components can by effectively catching, water phase components then can pass through, and therefore, it can profit is quickly separated. Simultaneously, whether the lead ion in sewage also can be eliminated by above-mentioned hydrophilic oleophobic membrane is detected, eliminate if lead ion does not adsorb, then lead ion can react with the active group generation sequestration on hydrophilic oleophobic membrane, continuous absorption along with lead ion, the hydrophilic of hydrophilic oleophobic membrane is gradually lowered, lipophile strengthens gradually, ultimately becomes oleophilic drainage film, and hydrophilic oleophobic membrane just cannot play the effect that profit efficiently separates in the process. And for petrochemical plant, the plumbum ion concentration in the waste water of its discharge is unstable, when plumbum ion concentration changes greatly, often the dosage of adsorbent or precipitant will be very few, now just cannot be eliminated by lead ion. Therefore, in the present invention, oil-water separation tank sewage is flowed to and is divided into mutually isolated A section pond and B section pond, B section pond is divided into B1 pond and the B2 pond of isolation mutually, first and second liquid outlet for being connected with B1 pond and B2 pond is offered in A section pond respectively, and first and second liquid outlet place is respectively provided with hydrophilic oleophobic defecator. Only have a pond in B section pond to be connected with A section pond in use, and A section pond does not use the hydrophilic oleophobic defecator on liquid outlet and the pond liquid phase isolation in A section pond. When lead ion does not eliminate, the hydrophilic oleophobic membrane contacted with the pond liquid phase in A section pond makes hydrophilic oleophobic property change because of adsorpting lead ion, profit cannot be efficiently separated, now part oily components will enter in the B section pond of use, when therefore oily components occurring in B section pond being detected, the system of front and continued is checked and/or is strengthened the consumption of flocculant, adsorbent so that lead ion eliminate completely. After above-mentioned measure obtains effect, then enable another B section pond, meanwhile the B section pond polluted by oily components is cleared up and the hydrophilic oleophobic defecator of degeneration is replaced, use in order to next time.So that oily components, water phase components in profit can be kept completely separate, lead ion can be completely removed, it is ensured that the reliable treatments of leaded waste oil water.
Rough filtering device, regulating reservoir, Aeration tank, sand filtering device, defecator, precipitate and separate pond, oily components retracting device all can refer to have been existed the equipment with identical function and has been carried out in existing sewage disposal system.
The system that efficiently processes of above-mentioned petrochemical wastewater provided by the invention, lead ion in leaded waste oil water can be removed by completely, and oily components and aqueous components are separated reliably, oily components is fished for reuse, and reduce cost and the cycle of follow-up biochemical treatment, it is achieved the efficient process of waste water.
Detailed description of the invention
In order to make objects and advantages of the present invention clearly understand, below in conjunction with embodiment, the present invention is specifically described. Should be appreciated that following word is only in order to describe one or more specific embodiments of the present invention, the protection domain present invention specifically not asked carries out considered critical.
Implement 1
Such as Fig. 1, shown in 3, the system that efficiently processes of petrochemical wastewater, including setting gradually, the front latter linked rough filtering device 11 that waste oil water is carried out coarse filtration, waste oil water is neutralized the regulating reservoir 12 regulating PH, the ionic adsorption pond, ion precipitation pond 131/ 132 that lead ion in waste oil water is easily separated, the oil-water separation tank 15 that oily components in waste oil water is easily separated, sewage after separating is carried out the Aeration tank 16 of biochemical treatment and the sewage after biochemical treatment carries out the sand filtering device 17 of sand filtration, oil-water separation tank 15 is connected with oily components retracting device. ionic adsorption pond 132 is provided with the dog-house of the magnetic biological adsorption agent for adding adsorpting lead ion/add mechanism, air-blowing mouth is set at the bottom of the pond in ionic adsorption pond 132, air-blowing mouth place arranges filter, ionic adsorption pond 132 is set side by side with multiple, is provided with defecator 141 between ionic adsorption pond 132 and oil-water separation tank 15. oil-water separation tank 15 sewage flows to and is divided into mutually isolated A section pond and B section pond, and B section pond is divided into B1 pond and the B2 pond of isolation mutually, and first and second liquid outlet for being connected with B1 pond and B2 pond is offered in A section pond respectively.
Hydrophilic oleophobic membrane is prepared by following operation: first with dipping by lye, the stainless (steel) wire of 600 orders is cleaned 20min, then with organic solvent ultrasonic cleaning 20min, is dried by stainless (steel) wire after ultrasonic cleaning; Subsequently stainless (steel) wire is placed in the first compositional liquor impregnate 54h, dipping terminate after with deionized water clean and naturally dry; Finally steel wire the second compositional liquor will impregnate 20h, clean with deionized water after taking-up and naturally dry, organic solvent is that ethanol and acetone are prepared according to the volume ratio of 1.5:1 and obtained, first compositional liquor is that trishydroxymethylaminomethane, dopamine hydrochloride and hydrochloric acid solution preparation obtain, and in the first compositional liquor, trishydroxymethylaminomethane content is 8.2g/L, dopamine hydrochloride content is 5.6g/L, PH=8.5; Second compositional liquor is that TGA, sulfosuccinic acid, sodium hydroxide preparation obtain, and in the second compositional liquor, TGA content is 2.48g/L, sulfosuccinic acid content is 3.8g/L, PH=12.5.
Hydrophilic oleophobic membrane is assembled on hydrophilic oleophobic defecator 153, then hydrophilic oleophobic defecator 153 is arranged on the first and second liquid outlet place in A section pond. First liquid outlet 151 in A section pond is enabled, second liquid outlet 152 is closed, start rough filtering device 11, regulating reservoir, ionic adsorption pond 132, defecator 141, A section pond, B1 pond, oil-water separation tank 15, Aeration tank 16, sand filtering device 17, oily components retracting device, leaded waste oil water is injected this system and processes continuously.If detecting in B1 pond that oil phase component occurs, then close B1 pond liquid outlet, the system of front and continued checks and/or adds the consumption of adsorbent so that lead ion eliminate completely. After above-mentioned measure obtains effect, close A section pond the first liquid outlet 151, open the second liquid outlet 152, start B2 pond to run, while running, the B1 pond polluted by oily components cleared up and the hydrophilic oleophobic defecator 153 of degeneration is replaced, using in order to changing B section pond next time. Oily components in profit, water phase components can be kept completely separate, lead ion can be completely removed, it is ensured that the reliable treatments of leaded waste oil water.
Embodiment 2
Such as Fig. 2, shown in 3, the system that efficiently processes of petrochemical wastewater, including setting gradually, the front latter linked rough filtering device 11 that waste oil water is carried out coarse filtration, waste oil water is neutralized the regulating reservoir 12 regulating PH, the ionic adsorption pond, ion precipitation pond 131/ 132 that lead ion in waste oil water is easily separated, the oil-water separation tank 15 that oily components in waste oil water is easily separated, sewage after separating is carried out the Aeration tank 16 of biochemical treatment and the sewage after biochemical treatment carries out the sand filtering device 17 of sand filtration, oil-water separation tank 15 is connected with oily components retracting device. ion precipitation pond 131 is above be provided with dog-house for adding flocculant/add mechanism, the trachea that vertical shape is arranged it is provided with in ion precipitation pond 131, the tube wall of trachea is uniformly arranged pore, QI KOU place arranges filter, being provided with precipitate and separate pond 142 between ion precipitation pond 131 and oil-water separation tank 15, precipitate and separate pond 142 is set up in parallel multiple. oil-water separation tank 15 sewage flows to and is divided into mutually isolated A section pond and B section pond, and B section pond is divided into B1 pond and the B2 pond of isolation mutually, and first and second liquid outlet for being connected with B1 pond and B2 pond is offered in A section pond respectively.
Hydrophilic oleophobic membrane is prepared by following operation: first with dipping by lye, the stainless (steel) wire of 600 orders is cleaned 20min, then with organic solvent ultrasonic cleaning 20min, is dried by stainless (steel) wire after ultrasonic cleaning; Subsequently stainless (steel) wire is placed in the first compositional liquor impregnate 54h, dipping terminate after with deionized water clean and naturally dry; Finally steel wire the second compositional liquor will impregnate 20h, clean with deionized water after taking-up and naturally dry, organic solvent is that ethanol and acetone are prepared according to the volume ratio of 1.5:1 and obtained, first compositional liquor is that trishydroxymethylaminomethane, dopamine hydrochloride and hydrochloric acid solution preparation obtain, and in the first compositional liquor, trishydroxymethylaminomethane content is 8.2g/L, dopamine hydrochloride content is 5.6g/L, PH=8.5; Second compositional liquor is that TGA, sulfosuccinic acid, sodium hydroxide preparation obtain, and in the second compositional liquor, TGA content is 2.48g/L, sulfosuccinic acid content is 3.8g/L, PH=12.5.
Hydrophilic oleophobic membrane is assembled on hydrophilic oleophobic defecator 153, then hydrophilic oleophobic defecator 153 is arranged on the first and second liquid outlet place in A section pond. First liquid outlet 151 in A section pond is enabled, second liquid outlet 152 is closed, start rough filtering device 11, regulating reservoir, ion precipitation pond 131, precipitate and separate pond 142, A section pond, B1 pond, oil-water separation tank 15, Aeration tank 16, sand filtering device 17, oily components retracting device, leaded waste oil water is injected this system and processes continuously. If detecting in B1 pond that oil phase component occurs, then close B1 pond liquid outlet, the system of front and continued checks and/or adds the consumption of adsorbent so that lead ion eliminate completely.After above-mentioned measure obtains effect, close A section pond the first liquid outlet 151, open the second liquid outlet 152, start B2 pond to run, while running, the B1 pond polluted by oily components cleared up and the hydrophilic oleophobic defecator 153 of degeneration is replaced, using in order to changing B section pond next time. Oily components in profit, water phase components can be kept completely separate, lead ion can be completely removed, it is ensured that the reliable treatments of leaded waste oil water.
Embodiment 3
Such as Fig. 1, shown in 3, the system that efficiently processes of petrochemical wastewater, including setting gradually, the front latter linked rough filtering device 11 that waste oil water is carried out coarse filtration, waste oil water is neutralized the regulating reservoir 12 regulating PH, the ionic adsorption pond, ion precipitation pond 131/ 132 that lead ion in waste oil water is easily separated, the oil-water separation tank 15 that oily components in waste oil water is easily separated, sewage after separating is carried out the Aeration tank 16 of biochemical treatment and the sewage after biochemical treatment carries out the sand filtering device 17 of sand filtration, oil-water separation tank 15 is connected with oily components retracting device. ionic adsorption pond 132 is provided with the dog-house of the magnetic biological adsorption agent for adding adsorpting lead ion/add mechanism, air-blowing mouth is set at the bottom of the pond in ionic adsorption pond 132, air-blowing mouth place arranges filter, ionic adsorption pond 132 is set side by side with multiple, is provided with defecator 141 between ionic adsorption pond 132 and oil-water separation tank 15. oil-water separation tank 15 sewage flows to and is divided into mutually isolated A section pond and B section pond, and B section pond is divided into B1 pond and the B2 pond of isolation mutually, and first and second liquid outlet for being connected with B1 pond and B2 pond is offered in A section pond respectively.
Hydrophilic oleophobic membrane is prepared by following operation: first with dipping by lye, the stainless (steel) wire of 600 orders is cleaned 20min, then with organic solvent ultrasonic cleaning 20min, is dried by stainless (steel) wire after ultrasonic cleaning; Subsequently stainless (steel) wire is placed in the first compositional liquor impregnate 54h, dipping terminate after with deionized water clean and naturally dry; Finally steel wire the second compositional liquor will impregnate 20h, clean with deionized water after taking-up and naturally dry, organic solvent is that ethanol and acetone are prepared according to the volume ratio of 1.5:1 and obtained, first compositional liquor is that trishydroxymethylaminomethane, dopamine hydrochloride and hydrochloric acid solution preparation obtain, and in the first compositional liquor, trishydroxymethylaminomethane content is 8.2g/L, dopamine hydrochloride content is 5.6g/L, PH=8.5; Second compositional liquor is that polypropylene free radical polyalcohol, sulfosuccinic acid, sodium hydroxide preparation obtain, and in the second compositional liquor, polypropylene free radical polyalcohol content is 4.5g/L, sulfosuccinic acid content is 1.25g/L, PH=13; Polypropylene free radical polyalcohol is that 1 parts by weight propylene acid monomers is dissolved in the distilled water of 2.5 weight portions; add the n-dodecyl mereaptan of 0.03 weight portion and the 4 of 0.025 weight portion; 4'-azo double; two (cyanopentanoic acid); 0.8h is reacted under nitrogen protection at 55 DEG C; being warming up to 75 DEG C of reaction 6.5h again, reaction is filtered after terminating, washing, dry prepare.
Hydrophilic oleophobic membrane is assembled on hydrophilic oleophobic defecator 153, then hydrophilic oleophobic defecator 153 is arranged on the first and second liquid outlet place in A section pond. First liquid outlet 151 in A section pond is enabled, second liquid outlet 152 is closed, start rough filtering device 11, regulating reservoir, ionic adsorption pond 132, defecator 141, A section pond, B1 pond, oil-water separation tank 15, Aeration tank 16, sand filtering device 17, oily components retracting device, leaded waste oil water is injected this system and processes continuously.If detecting in B1 pond that oil phase component occurs, then close B1 pond liquid outlet, the system of front and continued checks and/or adds the consumption of adsorbent so that lead ion eliminate completely. After above-mentioned measure obtains effect, close A section pond the first liquid outlet 151, open the second liquid outlet 152, start B2 pond to run, while running, the B1 pond polluted by oily components cleared up and the hydrophilic oleophobic defecator 153 of degeneration is replaced, using in order to changing B section pond next time. Oily components in profit, water phase components can be kept completely separate, lead ion can be completely removed, it is ensured that the reliable treatments of leaded waste oil water.
Embodiment 4
Such as Fig. 2, shown in 3, the system that efficiently processes of petrochemical wastewater, including setting gradually, the front latter linked rough filtering device 11 that waste oil water is carried out coarse filtration, waste oil water is neutralized the regulating reservoir 12 regulating PH, the ionic adsorption pond, ion precipitation pond 131/ 132 that lead ion in waste oil water is easily separated, the oil-water separation tank 15 that oily components in waste oil water is easily separated, sewage after separating is carried out the Aeration tank 16 of biochemical treatment and the sewage after biochemical treatment carries out the sand filtering device 17 of sand filtration, oil-water separation tank 15 is connected with oily components retracting device. ion precipitation pond 131 is above be provided with dog-house for adding flocculant/add mechanism, the trachea that vertical shape is arranged it is provided with in ion precipitation pond 131, the tube wall of trachea is uniformly arranged pore, QI KOU place arranges filter, being provided with precipitate and separate pond 142 between ion precipitation pond 131 and oil-water separation tank 15, precipitate and separate pond 142 is set up in parallel multiple. oil-water separation tank 15 sewage flows to and is divided into mutually isolated A section pond and B section pond, and B section pond is divided into B1 pond and the B2 pond of isolation mutually, and first and second liquid outlet for being connected with B1 pond and B2 pond is offered in A section pond respectively.
Hydrophilic oleophobic membrane is prepared by following operation: first with dipping by lye, the stainless (steel) wire of 600 orders is cleaned 20min, then with organic solvent ultrasonic cleaning 20min, is dried by stainless (steel) wire after ultrasonic cleaning; Subsequently stainless (steel) wire is placed in the first compositional liquor impregnate 54h, dipping terminate after with deionized water clean and naturally dry; Finally steel wire the second compositional liquor will impregnate 20h, clean with deionized water after taking-up and naturally dry, organic solvent is that ethanol and acetone are prepared according to the volume ratio of 1.5:1 and obtained, first compositional liquor is that trishydroxymethylaminomethane, dopamine hydrochloride and hydrochloric acid solution preparation obtain, and in the first compositional liquor, trishydroxymethylaminomethane content is 8.2g/L, dopamine hydrochloride content is 5.6g/L, PH=8.5; In second compositional liquor, polypropylene free radical polyalcohol content is 4.5g/L, sulfosuccinic acid content is 1.25g/L, PH=13; Polypropylene free radical polyalcohol is that 1 parts by weight propylene acid monomers is dissolved in the distilled water of 2.5 weight portions; add the n-dodecyl mereaptan of 0.03 weight portion and the 4 of 0.025 weight portion; 4'-azo double; two (cyanopentanoic acid); 0.8h is reacted under nitrogen protection at 55 DEG C; being warming up to 75 DEG C of reaction 6.5h again, reaction is filtered after terminating, washing, dry prepare.
Hydrophilic oleophobic membrane is assembled on hydrophilic oleophobic defecator 153, then hydrophilic oleophobic defecator 153 is arranged on the first and second liquid outlet place in A section pond. First liquid outlet 151 in A section pond is enabled, second liquid outlet 152 is closed, start rough filtering device 11, regulating reservoir, ion precipitation pond 131, precipitate and separate pond 142, A section pond, B1 pond, oil-water separation tank 15, Aeration tank 16, sand filtering device 17, oily components retracting device, leaded waste oil water is injected this system and processes continuously.If detecting in B1 pond that oil phase component occurs, then close B1 pond liquid outlet, the system of front and continued checks and/or adds the consumption of adsorbent so that lead ion eliminate completely. After above-mentioned measure obtains effect, close A section pond the first liquid outlet 151, open the second liquid outlet 152, start B2 pond to run, while running, the B1 pond polluted by oily components cleared up and the hydrophilic oleophobic defecator 153 of degeneration is replaced, using in order to changing B section pond next time. Oily components in profit, water phase components can be kept completely separate, lead ion can be completely removed, it is ensured that the reliable treatments of leaded waste oil water.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; in knowing the present invention after contents; under the premise without departing from the principles of the invention; it can also being made some equal conversion and replacement, these convert on an equal basis and substitute and also should be regarded as belonging to protection scope of the present invention.

Claims (2)

1. the system that efficiently processes of a petrochemical wastewater, including setting gradually, the front latter linked rough filtering device that waste oil water is carried out coarse filtration, waste oil water is neutralized the regulating reservoir of adjustment, ion precipitation pond/ionic adsorption pond that lead ion in waste oil water is easily separated, the oil-water separation tank that oily components in waste oil water is easily separated, sewage after separating is carried out the Aeration tank of biochemical treatment and the sewage after biochemical treatment carries out the sand filtering device of sand filtration, the liquid outlet of oil-water separation tank arranges hydrophilic oleophobic defecator, oil-water separation tank is connected with oily components retracting device.
2. the system that efficiently processes of petrochemical wastewater according to claim 1, it is characterized in that: hydrophilic oleophobic defecator includes hydrophilic oleophobic membrane, hydrophilic oleophobic membrane is prepared by following operation: first with dipping by lye, the stainless (steel) wire of 600 orders is cleaned 20min, then with organic solvent ultrasonic cleaning 20min, after ultrasonic cleaning, stainless (steel) wire is dried; Subsequently stainless (steel) wire is placed in the first compositional liquor impregnate 54h, dipping terminate after with deionized water clean and naturally dry; Finally stainless (steel) wire the second compositional liquor will impregnate 20h, clean with deionized water after taking-up and naturally dry, organic solvent is that ethanol and acetone are prepared according to the volume ratio of 1.5:1 and obtained, first compositional liquor is that trishydroxymethylaminomethane, dopamine hydrochloride and hydrochloric acid solution preparation obtain, and in the first compositional liquor, trishydroxymethylaminomethane content is 8.2g/L, dopamine hydrochloride content is 5.6g/L, PH=8.5; Second compositional liquor is that TGA, sulfosuccinic acid, sodium hydroxide preparation obtain, and in the second compositional liquor, TGA content is 2.48g/L, sulfosuccinic acid content is 3.8g/L, PH=12.5.
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CN201610126315.XA CN105693024B (en) 2014-12-10 2014-12-10 A kind of system that purified treatment is carried out to petrochemical wastewater
CN201410758357.6A CN104529060B (en) 2014-12-10 2014-12-10 A kind of system that efficiently process of petrochemical wastewater
CN201610126317.9A CN105712581B (en) 2014-12-10 2014-12-10 Using the system of the leaded petrochemical wastewater of hydrophilic and oleophobic film process
CN201610124399.3A CN105621811B (en) 2014-12-10 2014-12-10 A kind of system for petrochemical wastewater processing
CN201610124394.0A CN105621810B (en) 2014-12-10 2014-12-10 The system that hydrophilic and oleophobic film is used for petrochemical wastewater processing
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CN201610124399.3A Division CN105621811B (en) 2014-12-10 2014-12-10 A kind of system for petrochemical wastewater processing
CN201610124434.1A Division CN105621813B (en) 2014-12-10 2014-12-10 The system that purified treatment is carried out to petrochemical wastewater using hydrophilic and oleophobic film
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