CN107311404B - A kind of processing method of oil-containing heavy metal industrial effluent - Google Patents

A kind of processing method of oil-containing heavy metal industrial effluent Download PDF

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CN107311404B
CN107311404B CN201710694009.0A CN201710694009A CN107311404B CN 107311404 B CN107311404 B CN 107311404B CN 201710694009 A CN201710694009 A CN 201710694009A CN 107311404 B CN107311404 B CN 107311404B
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heavy metal
mineral oil
outlet
allyl
oil
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CN107311404A (en
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徐湛滔
徐炬文
杜道洪
赵克银
才智
李珍珍
黄锦葵
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Foshan Shunde District Hong Hui environmental protection sewage treatment Co., Ltd.
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Foshan Shunde District Hong Hui Environmental Protection Sewage Treatment Co Ltd
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    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—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
    • C02F1/24—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
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • 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
    • C02F1/285—Treatment of water, waste water, or sewage by sorption using synthetic organic sorbents
    • 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
    • C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
    • 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
    • C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
    • 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
    • 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
    • C02F2101/16—Nitrogen compounds, e.g. ammonia
    • 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/007—Modular design
    • 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
    • C02F2303/00—Specific treatment goals
    • C02F2303/16—Regeneration of sorbents, filters
    • 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

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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)
  • Water Treatment By Sorption (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The invention discloses a kind of processing method of oil-containing heavy metal industrial effluent, waste water inhales reactor, protopectin heavy metal Rotary adsorption pond, aeration nitrification tank, biological denitrificaion pond, sedimentation basin, water purifying tank by sump, coarse rack, microvesicle air supporting mineral oil adsorbent equipment, mineral oil catalysis again neutralizing successively.The creative V-type net-shaped drum that make use of equipped with pumpkin peel of the system is haptoreaction medium, when the waste water containing heavy metal is sufficiently mixed with pumpkin peel, the heavy metal ion in waste water is adsorbed by the suction-operated of the water-insoluble protopectin in pericarp membrane, part residue gradually forms sludge material in adsorption tank bottom precipitation.Meanwhile the pumpkin peel in V-type net-shaped drum can be replaced as a kind of low value consumptive material according to using Expenditure Levels.

Description

A kind of processing method of oil-containing heavy metal industrial effluent
Technical field
The present invention relates to a kind of processing method of oil-containing heavy metal industrial effluent, the wastewater treatment neck belonged in environmental protection Domain.
Background technology
Heavy metal pollution refers to as the environmental pollution and ecological disruption caused by heavy metal and its compound, its extent of injury Depending on heavy metal concentration and chemical form present in environment, food and organism.Heavy metal pollution is mainly manifested in water In pollution, some is in air and solid waste.Heavy metal pollution is different from the pollution of other organic compounds, much Organic compound can be purified by the physics of nature in itself, chemistry or biological effect, harmfulness is reduced or is eliminated； And heavy metal has enriching, it is difficult to degrade in the environment.
In terms of environmental pollution, it is mercury, cadmium, lead and " metalloid " --- arsenic that heavy metal pollution is most representational Heavy metal significant etc. bio-toxicity, these heavy metals can not be decomposed in water environment, and the mankind drink rear toxicity amplification, with water In other toxin combinations can generate the bigger organic compound of toxicity.
At present, existing industrial wastewater heavy metal processing method includes：Chemical precipitation method, electrolysis, absorption method, UF membrane Method, ion-exchange etc..
（1）Chemical precipitation method：Certain chemical substance is added in industrial wastewater, makes itself and some dissolved matters in waste water React, generate difficulty soluble salt and precipitate, this method is referred to as chemical precipitation method.Traditional chemical precipitation method includes neutralizing The precipitation method, sulphide precipitation and barium salt precipitation method etc..
（2）Electrolysis：Using the general principle of electrolysis, heavy metal ions in wastewater is set to occur respectively on anode and negative electrode Redox reaction, make heavy metal accumulation, so that heavy metal in waste water is removed, and recyclable heavy metal.At electrolysis Reason heavy metal wastewater thereby has the features such as reliable, heavy metal removing rate is high, recoverable.But due to heavy metal concentration it is low when Power consumption is big, cost of investment is high, and electrolysis is only suitable for handling high-concentration heavy metal waste water.
（3）Absorption method：Absorption method is that have using a kind of method of adsorbent absorption heavy metal in waste water, traditional adsorbent The natural materials such as activated carbon, zeolite, clay mineral.The adsorption capacity of activated carbon is strong, and heavy metal clearance is high, but price is held high Expensive, service life is short.Found that mineral material had very strong adsorption capacity, wherein natural zeolite adsorption capacity most in the last few years By force, and earliest it is used for the mineral material of heavy metal containing wastewater treatment.
（4）Membrane separation process：Membrane separation process is to utilize a kind of special pellicle, in the presence of ambient pressure, is not changed The chemical form of solution makes the method that solute and solvent are separated and concentrated.Phase does not occur during the course of the reaction for membrane separation technique Change, separative efficiency is high, operates and easy to maintenance, and separation and concentration are carried out simultaneously, recyclable valuable heavy metal.Common Membrane technology has micro-filtration, ultrafiltration, nanofiltration, counter-infiltration, electrodialysis, liquid film etc..
（5）Ion-exchange：Ion-exchange processing heavy metal wastewater thereby be using on ion exchange resin it is commutative from With heavy metal ion exchange reaction occurs for son, so as to remove the method for heavy metal ions in wastewater.Ion exchange technique removes useless Heavy metal in water, heavy metal ion in water outlet after concentration of heavy metal ion is handled far below chemical precipitation method in water outlet after purification Concentration, pass through the solution after reclaiming, it is possible to achieve the recovery of heavy metal.Ion exchange resin performance heavy metal ion Removal effect have considerable influence.
But heavy metal ion is frequently present in oily waste water now, because the presence of grease in water seriously hinders weight The removal of metal, reduce the treatment effect of heavy metal ion.Therefore, it is necessary to break away from existing treatment technology thinking, open up The new way of source science and engineering industry heavy metals, and then develop a kind of industrial wastewater heavy metal treatment technology of new type.
The content of the invention
To solve the deficiencies in the prior art, the invention provides a kind of processing side of oil-containing heavy metal industrial effluent Method, oil-containing heavy metal industrial effluent enter sump by waste line, and the outlet of sump connects thick lattice by waste line Grid, the outlet of coarse rack connect microvesicle air supporting mineral oil adsorbent equipment, microvesicle air supporting mineral oil adsorbent equipment by waste line In π-allyl Ni compound modification infusorial earth adsorbed film after complete adsorbing mineral oil can be captured by stainless steel machinery arm, and It is admitted to mineral oil and is catalyzed neutralizing suction reactor again, mineral oil catalysis is dissolved the heavy oil generated in suction reactor and discharged from heavy oil again Mouthful discharge simultaneously be recycled, while the outlet of microvesicle air supporting mineral oil adsorbent equipment by waste line connect protopectin- Heavy metal Rotary adsorption pond, the sludge material outward transport processing of protopectin-heavy metal Rotary adsorption pond discharge, while protopectin-weight The outlet of metal rotation adsorption tank connects aeration nitrification tank by waste line, and the outlet for being aerated nitrification tank is connected by waste line Deliver a child thing denitrification tank, the outlet in biological denitrificaion pond connects sedimentation basin by waste line, and the outlet of sedimentation basin passes through waste line Water purifying tank is connected, the outlet of water purifying tank will be arranged by waste line outside purification water outlet after treatment；Wherein, microvesicle air supporting ore deposit Thing oil adsorbent equipment uses high strength glass steel material, and its bottom is equipped with 9 ultra-fine bubble generators, on the liquid level of device A laterally disposed π-allyl Ni compound modification infusorial earth adsorbed film can be accommodated, its left upper portion is equipped with inlet valve, Bottom right side is equipped with flowing water Valve；Neutralizing suction reactor uses high-strength stainless steel material again for mineral oil catalysis, and its bottom is equipped with 5 Portion's electric heating air blast blower fan, a set of stainless steel membrane frame is installed inside device, 5 π-alkene for treating high-temperature process are placed vertically on film frame Propyl group nickel compound modification infusorial earth adsorbed film, its bottom right are provided with heavy oil outlet；Big grain is tentatively removed by coarse rack The waste water of footpath material is entered inside device by the inlet valve of microvesicle air supporting mineral oil adsorbent equipment left upper portion, 9 ultra micros Thin bubble generator is started working, and produces the superfine air bubble that diameter is less than 50 μm, and superfine air bubble can carry the ore deposit in waste water secretly Thing oil molecule together floats, and it is adsorbed by the π on liquid level-allyl Ni compound modification infusorial earth adsorbed film, completely The π of adsorbing mineral oil-allyl Ni compound modification infusorial earth adsorbed film is captured by stainless steel machinery arm, and is held upright Neutralizing is inhaled on the stainless steel membrane frame in reactor again for mineral oil catalysis, and 5 electric heating air blast blower fans of reactor bottom can produce 200 ~ 250 DEG C of high temperature air, at this temperature and under the catalysis of π-allyl Ni compound, the C-H in mineral oil molecule Of short duration fracture can occur for key, and quickly in conjunction with for C-C keys or c h bond, and c h bond can be broken again, C-C keys then because The catalytic action of π-allyl Ni compound is limited without being broken again, thus can make the shorter mineral oil molecule of carbochain by The longer heavy oil molecules of carbochain are gradually synthesized, meanwhile, heavy oil molecules can be modified diatom from π-allyl Ni compound at high temperature Desorbed in native adsorbed film, the heavy oil outlet discharge after convergence on the right side of reactor bottom；Protopectin-heavy metal Rotary adsorption pond Using hard glass steel material, outer layer is painted with waterproof material, and top is equipped with inlet valve on the left of adsorption tank, is equipped with below left side Electric expansion bar pushes away mud device, electronic hook is housed above right side, right side central is equipped with flowing water Valve, and lower right-hand side is provided with sludge Mouth is arranged, adsorption tank middle part is fixed with V-type net-shaped drum by rotating shaft connecting rod, lancet is housed above V-type net-shaped drum；Microvesicle air supporting The water outlet of mineral oil adsorbent equipment is entered inside adsorption tank by the inlet valve on the left of protopectin-heavy metal Rotary adsorption pond, V Type net-shaped drum fully rotates under the driving of rotating shaft connecting rod, waste water is fully contacted with pumpkin peel, by pumpkin chrotoplast The suction-operated of water-insoluble protopectin be adsorbed the heavy metal ion in waste water, the waste water after adsorption treatment is through going out Penstock discharges adsorption tank, and V-type net-shaped drum is after nearly saturation is adsorbed, above operable electronic claw grab V-type net-shaped drum Lancet, by V-type net-shaped drum lift-off adsorption tank, and then complete the replacement operation of pumpkin peel, meanwhile, part pumpkin peel residue exists Adsorption tank bottom precipitation, gradually forms sludge material, and usable electric expansion bar pushes away mud device and arranges mouth discharge absorption by sludge Pond, V-type net-shaped drum change under pumpkin peel residue with after the sludge material of adsorption tank bottom precipitation merges outward transport handle.
Further, protopectin-heavy metal Rotary adsorption pond, its pond body dischargeable capacity are 340m3, its V-type net-shaped drum appearance Product is 31m3, aperture 7.5mm, the operating voltage of its rotating shaft connecting rod is 380V, and rotating speed is 15 turns/min.
Further, microvesicle air supporting mineral oil adsorbent equipment, its dischargeable capacity are 300m3, ultra-fine bubble generator can Produce the superfine air bubble that diameter is less than 50 μm, operating voltage 36V.
Further, the area of π-allyl Ni compound modification infusorial earth adsorbed film is 12.6m2, π-pi-allyl nickel chemical combination The content of thing is 22.4g/m2, the purity of π-allyl Ni compound is 96.2%.
The advantage of the invention is that：
（1）This method has broken away from existing industrial wastewater heavy metal purified treatment principle, and creative make use of containing rich Sorbing material of the pumpkin peel of rich protopectin and pectase as heavy metal ion, using the V-type net-shaped drum equipped with pumpkin peel For haptoreaction medium, when the waste water containing heavy metal is sufficiently mixed with pumpkin peel, pass through the water-insoluble original in pericarp membrane The suction-operated of pectin is adsorbed the heavy metal ion in waste water, so that the industrial wastewater containing heavy metal is purified, its Removal efficiency of heavy metals is up to 97.9%
（2）This method has broken away from existing industrial wastewater mineral oil purified treatment pattern, and creative employs physics hand The section technology path that is combined with chemical method, make full use of suction-operated and the π-allyl Ni compound of modification infusorial earth Effect is catalyzed and synthesized, makes the adsorbed enrichment of the mineral oil in industrial wastewater, concurrent GCMS computer reaction, generates available heavy oil, The removal efficiency of its mineral oil reaches 99.7%.Modification infusorial earth adsorbed film used in the system obtains after thermal desorption process With regeneration, can be reused for adsorb waste water in mineral oil, realize the recycling of material, greatly reduce operation into This.
（3）This method has recycled caused discarded object in this agricultural production process of pumpkin peel, can realize useless Thing utilizes, and turns waste into wealth, significantly reduces the discarded object yield in agricultural production；Meanwhile pumpkin peel consumes as a kind of low value Material, it can be replaced according to using Expenditure Levels, alternative costs are low.Without using any toxic chemical substance, draw so as to eliminate Enter the risk of pollutant new, that harm is bigger.
（4）This method principle is simple and easy, and design and construction cost is relatively low, and treatment effect is preferable, operation expense It is very low, be advantageous to a wide range of popularization and application.
Brief description of the drawings
Fig. 1 is the equipment schematic diagram of the present invention.
In figure：Neutralizing is inhaled again for 1- sumps, 2- coarse racks, 3- microvesicle air supporting mineral oil adsorbent equipment, the catalysis of 4- mineral oil Reactor, 5- protopectin-heavy metal Rotary adsorption pond, 6- aerations nitrification tank, 7- biological denitrificaions pond, 8- sedimentation basins, 9- water purifying tanks
Fig. 2 is that the schematic diagram for inhaling reactor is dissolved in microvesicle air supporting mineral oil adsorbent equipment and mineral oil catalysis again.
32- ultra-fine bubble generators, 33- superfine air bubbles, 34- stainless steel machineries arm, 35- balls bearing, 36- water inlets Valve, 37- flowing water Valves；41- aerogel blankets thermal insulation layer, 42- π-allyl Ni compound modification infusorial earth adsorbed film, 43- are not Become rusty steel membrane frame, 44- electric heating air blast blower fan, 45- heavy oil outlets
Fig. 3 is the schematic diagram in protopectin-heavy metal Rotary adsorption pond.
51- fiberglass pond body, 52- rotating shafts connecting rod, 53-V types net-shaped drum, 54- lancets, 55- inlet valves, 56- water outlets Valve, 57- electric expansion bars push away mud device, 58- sludge row mouth, the electronic hooks of 59-.
Embodiment
The processing method of removal heavy metals in industrial wastewater as shown in Figure 1, the industrial wastewater of oil-containing heavy metal, which passes through, to give up Water pipeline enters sump 1, carries out centralized collection and preliminarily stabilised regulation herein, the outlet of sump 1 is connected by waste line Coarse rack 2 is connect, the major diameter solid matter in industrial wastewater is removed at this, the outlet of coarse rack 2 is connected micro- by waste line Steep air supporting mineral oil adsorbent equipment 3, contain π-allyl Ni compound modification infusorial earth in microvesicle air supporting mineral oil adsorbent equipment 3 Adsorbed film 42 can be captured after complete adsorbing mineral oil by stainless steel machinery arm 34, and be admitted to mineral oil catalysis and dissolve suction again instead Device 4 is answered, mineral oil catalysis dissolves the heavy oil generated in suction reactor 4 and discharges and be recycled from heavy oil outlet 45 again, It is former meanwhile the outlet of microvesicle air supporting mineral oil adsorbent equipment 3 connects protopectin-heavy metal Rotary adsorption pond 5 by waste line The outlet in pectin-heavy metal Rotary adsorption pond 5 connects aeration nitrification tank 6 by waste line, herein by aerobic aeration process, The various nitrogen substances in waste water are made to be converted into nitrate nitrogen, the outlet for being aerated nitrification tank 6 connects biology by waste line Denitrification tank 7, it is by bioactivity course of reaction, by the nitrate nitrogen decomposition and inversion in waste water, so as to remove nitric acid that it, which is acted on, Salt nitrogen, the outlet in biological denitrificaion pond 7 connect sedimentation basin 8 by waste line, at this that remaining insoluble matter in waste water is whole Remove, the outlet of sedimentation basin 8 connects water purifying tank 9 by waste line, and the outlet of water purifying tank 9 will be by this by waste line Arranged outside purification water outlet after system processing；Wherein, microvesicle air supporting mineral oil adsorbent equipment 3 uses high strength glass steel material, effectively Volume is 300m3, its bottom is equipped with 9 ultra-fine bubble generators 32, can produce the superfine air bubble that diameter is less than 50 μm 33, a laterally disposed π-allyl Ni compound modification infusorial earth adsorbed film 42, the suction can be accommodated on the liquid level of device Membrane area is 12.6m2, the content of π-allyl Ni compound is 22.4g/m2, the purity of π-allyl Ni compound is 96.2%, its left upper portion is equipped with inlet valve 36, and bottom right side is equipped with flowing water Valve 37, the device right side wall because with high temperature Neutralizing suction reactor 4 is connected again for mineral oil catalysis, therefore is covered with aerogel blanket thermal insulation layer 41, the top of aerogel blanket thermal insulation layer 41 dress There are stainless steel machinery arm 34 and ball bearing 35；Neutralizing inhales reactor 4 using high-strength stainless steel material again for mineral oil catalysis, holds Product is 330m3, its bottom is equipped with 5 electric heating air blast blower fans 44, can produce 200 ~ 250 DEG C of hot-air, be installed inside device There is a set of stainless steel membrane frame 43,5 π-allyl Ni compound modification infusorial earths for treating high-temperature process can be placed on film frame vertically Adsorbed film 42, its bottom right are provided with heavy oil outlet 45；Contain mineral oil by what coarse rack 2 tentatively removed big particle diameter material Industrial wastewater entered by the inlet valve 36 of the left upper portion of microvesicle air supporting mineral oil adsorbent equipment 3 inside device, 9 ultra micros Thin bubble generator 32 is started working, and produces the superfine air bubble 33 that diameter is less than 50 μm, and superfine air bubble 33 can carry waste water secretly In mineral oil molecule together float, and it is contained π-allyl Ni compound modification infusorial earth adsorbed film 42 on liquid level Absorption, complete adsorbing mineral oil are grabbed containing π-allyl Ni compound modification infusorial earth adsorbed film 42 by stainless steel machinery arm 34 Take, and be held upright on the stainless steel membrane frame 43 during reactor 4 is inhaled in mineral oil catalysis again neutralizing, 5 of reactor bottom Electric heating air blast blower fan 44 is started working, and produces 200 ~ 250 DEG C of high temperature air, under the catalysis of π-allyl Ni compound, ore deposit Of short duration fracture can occur for the c h bond in thing oil molecule, and quickly in conjunction with for C-C keys or c h bond, and c h bond can be sent out again Raw fracture, C-C keys are then limited without being broken again because of the catalytic action of π-allyl Ni compound, thus can make carbochain compared with Short mineral oil molecule gradually synthesizes the longer heavy oil molecules of carbochain.Meanwhile heavy oil molecules can be at high temperature from containing π-allyl Being desorbed in base nickel compound modification infusorial earth adsorbed film 42, the heavy oil outlet 45 after convergence on the right side of reactor bottom is discharged, Can be by centralized collection and recycling.
Protopectin-heavy metal Rotary adsorption pond 5 uses hard glass steel material, and outer layer is painted with waterproof material, adsorption tank Inlet valve 55 is housed, left side lower section pushes away mud device 57 equipped with electric expansion bar, electronic hook is housed above right side above left side 59, right side central is equipped with flowing water Valve 56, and lower right-hand side is provided with sludge row's mouth 58, fixed in the middle part of adsorption tank by rotating shaft connecting rod 52 There is V-type net-shaped drum 53, the top of V-type net-shaped drum 53 is equipped with lancet 54；After pH value regulation processing（PH value is after processing 7.5~8.5）Industrial wastewater pass through the inlet valve 55 in the left side of protopectin-heavy metal Rotary adsorption pond 5 and enter inside adsorption tank, V-type net-shaped drum 53 fully rotates under the driving of rotating shaft connecting rod 52, waste water is fully contacted with pumpkin peel, thin by pumpkin peel The suction-operated of water-insoluble protopectin in born of the same parents is adsorbed the heavy metal ion in waste water, the waste water after adsorption treatment Adsorption tank is discharged through flowing water Valve 56, for V-type net-shaped drum 53 after nearly saturation is adsorbed, operable electronic hook 59 captures V-type net The lancet 54 of the top of shape roller 53, by the lift-off adsorption tank of V-type net-shaped drum 53, and then the replacement operation of pumpkin peel is completed, meanwhile, Part pumpkin peel residue gradually forms sludge material, it is logical that usable electric expansion bar pushes away mud device 57 in adsorption tank bottom precipitation Cross sludge row's mouth 58 and discharge adsorption tank, the pumpkin peel residue under the replacing of V-type net-shaped drum 53 and the dirt in adsorption tank bottom precipitation Outward transport is handled after mud material merges.
Industrial wastewater after being handled by this method, its removal efficiency of heavy metals is up to 97.9%.

Claims (1)

1. a kind of processing method of oil-containing heavy metal industrial effluent, it is characterised in that oil-containing heavy metal industrial effluent passes through waste water Pipeline enters sump, and the outlet of sump connects coarse rack by waste line, and the outlet of coarse rack is connected by waste line Connect microvesicle air supporting mineral oil adsorbent equipment, π-allyl Ni compound modification infusorial earth in microvesicle air supporting mineral oil adsorbent equipment Adsorbed film can be captured after complete adsorbing mineral oil by stainless steel machinery arm, and be admitted to mineral oil catalysis and change desorption reaction again Device, mineral oil catalysis dissolve the heavy oil generated in suction reactor and discharge and be recycled from heavy oil outlet again, while micro- The outlet for steeping air supporting mineral oil adsorbent equipment connects protopectin-heavy metal Rotary adsorption pond, a protopectin-huge sum of money by waste line Belong to the sludge material outward transport processing of Rotary adsorption pond discharge, while the outlet in protopectin-heavy metal Rotary adsorption pond passes through waste water Pipeline connection aeration nitrification tank, the outlet for being aerated nitrification tank connect biological denitrificaion pond by waste line, and biological denitrificaion pond goes out Mouth connects sedimentation basin by waste line, and the outlet of sedimentation basin connects water purifying tank by waste line, and the outlet of water purifying tank passes through Waste line will be arranged outside purification water outlet after treatment；Wherein, microvesicle air supporting mineral oil adsorbent equipment uses high strength glass Steel material, its bottom are equipped with 9 ultra-fine bubble generators, a laterally disposed π-allyl can be accommodated on the liquid level of device Base nickel compound modification infusorial earth adsorbed film, its left upper portion are equipped with inlet valve, and bottom right side is equipped with flowing water Valve；Mineral oil Neutralizing suction reactor uses high-strength stainless steel material again for catalysis, and its bottom is equipped with 5 electric heating air blast blower fans, installed inside device There is a set of stainless steel membrane frame, place 5 π-allyl Ni compound modification infusorial earths absorption for treating high-temperature process on film frame vertically Film, its bottom right are provided with heavy oil outlet；The waste water that big particle diameter material is tentatively removed by coarse rack passes through microvesicle air supporting ore deposit The inlet valve of thing oil adsorbent equipment left upper portion enters inside device, and 9 ultra-fine bubble generators are started working, and produces straight Footpath is less than 50 μm of superfine air bubble, and the mineral oil molecule that superfine air bubble can be carried secretly in waste water together floats, and makes it by liquid π-allyl Ni compound modification infusorial earth adsorbed film absorption on face, π-allyl Ni compound of complete adsorbing mineral oil Modification infusorial earth adsorbed film is captured by stainless steel machinery arm, and is held upright in reactor is inhaled in mineral oil catalysis again neutralizing On stainless steel membrane frame, 5 electric heating air blast blower fans of reactor bottom can produce 200 ~ 250 DEG C of high temperature air, in this temperature Down and under the catalysis of π-allyl Ni compound, of short duration fracture can occur for the c h bond in mineral oil molecule, and quickly tie again C-C keys or c h bond are combined into, and c h bond can be broken again, C-C keys are then because the catalytic action of π-allyl Ni compound has Limit without being broken again, therefore the mineral oil molecule for making carbochain shorter gradually synthesizes the longer heavy oil molecules of carbochain, together When, heavy oil molecules can desorb from π-allyl Ni compound modification infusorial earth adsorbed film at high temperature, from reactor after convergence The heavy oil outlet discharge of bottom right；Protopectin-heavy metal Rotary adsorption pond uses hard glass steel material, and outer layer is painted with Waterproof material, adsorption tank left side top are equipped with inlet valve, and left side lower section pushes away mud device equipped with electric expansion bar, filled above right side There is electronic hook, right side central is equipped with flowing water Valve, and lower right-hand side is provided with sludge row's mouth, consolidated in the middle part of adsorption tank by rotating shaft connecting rod Surely there is V-type net-shaped drum, lancet is housed above V-type net-shaped drum, its pond body dischargeable capacity is 340m3, its V-type net-shaped drum Volume is 31m3, aperture 7.5mm, the operating voltage of its rotating shaft connecting rod is 380V, and rotating speed is 15 turns/min；Microvesicle air supporting mineral The water outlet of oily adsorbent equipment is entered inside adsorption tank by the inlet valve on the left of protopectin-heavy metal Rotary adsorption pond, V-type net Shape roller fully rotates under the driving of rotating shaft connecting rod, waste water is fully contacted with pumpkin peel, by non-in pumpkin chrotoplast The suction-operated of water-soluble protopectin is adsorbed the heavy metal ion in waste water, and the waste water after adsorption treatment is through outlet valve Door discharge adsorption tank, V-type net-shaped drum operate the lancet above electronic claw grab V-type net-shaped drum after nearly saturation is adsorbed, By V-type net-shaped drum lift-off adsorption tank, and then the replacement operation of pumpkin peel is completed, meanwhile, part pumpkin peel residue is in adsorption tank Bottom precipitation, sludge material is gradually formed, push away mud device using electric expansion bar arranges mouth discharge adsorption tank, V-type net by sludge Shape roller change under pumpkin peel residue with after the sludge material of adsorption tank bottom precipitation merges outward transport handle, wherein π-allyl The area of base nickel compound modification infusorial earth adsorbed film is 12.6m2, the content of π-allyl Ni compound is 22.4g/m2, π-alkene The purity of propyl group nickel compound is 96.2%.
CN201710694009.0A 2016-02-25 2016-02-25 A kind of processing method of oil-containing heavy metal industrial effluent Expired - Fee Related CN107311404B (en)

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CN105753124B (en) * 2016-05-04 2018-03-16 济南大学 A kind of preparation method for the watermelon peel coagulant realized water pollutant and removed
CN111634970B (en) * 2020-06-13 2022-06-07 山东鲁蓝环保科技有限公司 Treatment process of oily heavy metal industrial wastewater
CN111777231A (en) * 2020-08-05 2020-10-16 吴斌 Industrial sewage treatment equipment
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