45 results about "Petroleum wastewater" patented technology

The invention discloses a petroleum wastewater treatment machine used for improving filtering layer replacing efficiency. According to the petroleum wastewater treatment machine, an outer cylinder is provided with a tank body; a unidirectional filtering plate and a pressure plate are arranged in the tank body; an assembling-disassembling opening is arranged between the unidirectional filtering plate and the pressure plate; a spongy layer is arranged between the unidirectional filtering plate and the pressure plate; the spongy layer is filled with filtering balls; a guide sleeve is arranged between the unidirectional filtering plate and the pressure plate; guiding shafts are arranged in the guide sleeve; the guiding shafts concave inwardly to form a ring-shaped groove; the pressure plate sleeves the ring-shaped groove; a through groove is formed in the spongy layer; the through groove is communicated with the side wall of the spongy layer; the unidirectional filtering plate and the pressure plate are provided with lug bosses; the spongy layer concave inwardly to form a sliding groove; the lug bosses are arranged in the sliding groove; altitude sensors sleeve the guiding shafts; a hydraulic mechanism is arranged in the outer cylinder; a control cabinet is arranged in the outer cylinder; the control cabinet is connected with the altitude transducer and the hydraulic mechanism. According to the treatment machine, as the filtering layer is in movably connected to the interior of the equipment; the filtering layer replacing efficiency is improved and the filtering cycle of the petroleum wastewater is greatly shortened.

The invention discloses Acinetobacter pittii and application thereof. The Acinetobacter pittii is collected at the China General Microbiological Culture Collection Center (CGMCC) on 16th, Nov. 2015 in the Institute of Microbiology of Chinese Academy of Sciences at Number 3, Yard 1 in Beichen West Road of Chaoyang District in Beijing, numbered as CGMCC No.11670 and named as Acinetobacter pittii SYJ1-3. The Acinetobacter pittii can grow and proliferate by taking petroleum as a carbon source, can degrade petroleum by utilizing own metabolism, can be effectively used for treatment of petroleum wastewater and petroleum polluted soil and is high in petroleum degrading efficiency, simple and convenient to operate and low in cost.

The invention provides a preparation method of a Li / Na ion battery anode material Fe<1-x>S / C. The preparation method includes the steps of: 1) performing oxidizing reaction to sulfur-bearing petroleumwastewater with an oxidant to obtain pretreated sulfur-bearing petroleum wastewater; 2) adding a ferric salt water solution and an additive to the pretreated sulfur-bearing petroleum wastewater untilpH value is 2-5, and uniformly mixing the components; 3) performing hydrothermal treatment at 150-220 DEG C for 10-48 h, and separating, washing, drying and grinding the product to obtain a precursor; 4) under protection of inert gas, performing heat preservation to the precursor for 1-3 h at 300-400 DEG C and calcining the precursor for 5-12 h at 600-800 DEG C. The preparation method employs theindustrial waste, sulfur-bearing petroleum wastewater, as a main raw material, is simple and low-cost and achieves effective reutilization of wastes. The anode material has excellent electrochemicalperformance and is high in specific discharge capacity.

The invention discloses a new strain-Timone massilia J42 and application thereof serving as a petroleum degrading strain in degrading petroleum wastewater. The new strain is obtained by separating from bottom sediment of a Xiang River sand excavating ship area. The strain has high bio-surfactant generating capability, emulsifying activity and liquid surface tension lowering capability. In addition, J42 methylbenzene degrading experiments show that the strain has quite high capability of degrading aromatic hydrocarbon methylbenzene. The strain also presents high COD removing efficiency in petroleum wastewater degrading experiments. The strain has good application prospect in the field of petroleum pollution bioremediation.

The invention relates to the technical field of petroleum wastewater, in particular to a deoiling and filtering device for petroleum wastewater. The deoiling and filtering device comprises a box body, wherein a first through hole is formed in the top end of a box cover; first clamping grooves are evenly formed in the positions, located on the outer side of the first through hole, of the top end of the box cover; first clamping blocks are clamped in the first clamping grooves; a fixing plate is welded to the top ends of the first clamping blocks; the bottom end of the fixing plate makes contact with the top end of the box cover; a solid impurity filter screen barrel is welded to the bottom end of the fixing plate and matched with the first through hole; a water inlet is formed in the middle of the top end of the fixing plate; lifting handles are symmetrically welded to the outer side of the top end of the fixing plate; an activated carbon filter screen groove is formed in the inner lower part of the box body; and the top end of the activated carbon filter screen groove is connected with an oil-water separation filter screen through a clamping mechanism. According to the invention, solid impurities can be conveniently filtered, and the solid impurities filtered out from the solid impurity filter screen barrel can be conveniently cleaned.

A temperature-sensitive magnetic nanomaterial-based emulsified petroleum wastewater treatment device comprises a first sewage tank, a temperature-sensitive magnetic nanomaterial reactor, a second sewage tank, a magnetic filter, a heat exchanger and a water storage tank, wherein a temperature-sensitive magnetic nanomaterial for deoiling from oil-containing wastewater is arranged in the temperature-sensitive magnetic nanomaterial reactor, the first sewage tank, the temperature-sensitive magnetic nanomaterial reactor and the second sewage tank are sequentially connected to form a wastewater treatment system, and the temperature-sensitive magnetic nanomaterial reactor, the magnetic filter, the heat exchanger and the water storage tank are sequentially connected to form a cleaning system for deoiling and recycling the temperature-sensitive magnetic nanomaterial with the surface which adsorbs oil. The device has the advantages of reasonable structure design, flexibility and convenience in operation, effective deoiling of the emulsified petroleum wastewater, recycling of the temperature-sensitive magnetic nanomaterial in the reactor, great reduction of the cost, no secondary pollution, economic property and environmental protection.

The invention belongs to the technical field of petroleum wastewater monitoring and particularly relates to an on-line petroleum wastewater monitoring system. The on-line petroleum wastewater monitoring system comprises a wastewater treatment device, a wastewater sampling device and a control system, wherein the control system comprises a master server and a host arranged in a monitoring area; thewastewater treatment device comprises a wastewater inlet pipeline led to a primary settling tank, and the primary settling tank is sequentially connected with an adjusting tank, a conversion settlingtank, a water collecting tank, an anaerobic tank, an underground sludge tank and a filter pressing system; the adjusting tank is connected with a deodorization and also connected with a fan, the deodorization device and the fan are both connected with a biological contact oxidation tank, the biological contact oxidation tank is connected with a vertical settling tank and an effluent tank, and outlets of the vertical settling tank and the biological contact oxidation tank are communicated with a sludge well.

The invention discloses a method for preparing a naphthenic acid sample in petroleum wastewater. The method comprises the following steps of: adjusting a wastewater sample to be acid, and adsorbing acid and neutral organic matters in the wastewater sample by using an adsorption resin column; backwashing the resin column subjected to adsorption by using alkali liquor, and eluting an acid organic matter; making a backwashing solution pass through an H-type cation exchange resin column, evaporating the passed solution in a rotating way, freeze-drying, and thus obtaining a small molecule naphthenic acid solid sample; and backwashing precipitates on the H-type cation exchange resin column by using the alkali liquor, adjusting the pH value of the backwashing solution to be less than or equal to 2 by using hydrochloric acid, standing, collecting the precipitates, and recycling a macromolecule naphthenic acid solid sample from the precipitates. By the method, the mass of the small molecule naphthenic acid solid sample or the macromolecule naphthenic acid solid sample is tested respectively to determine the content of the two samples in the wastewater, and the molecular weight and the structural features of naphthenic acid can be represented by an element analysis and solid 13C nuclear magnetic resonance method, a Fourier infrared spectrum method and an atmospheric pressure ionization mass spectrometry.

The invention discloses Acinetobacter piterii and its application, wherein, the Acinetobacter piteter was preserved in the General Microbiology Center (CGMCC) of China Microbiological Culture Collection Management Committee (CGMCC) on November 16, 2015, and the address of the preservation unit is Chaoyang, Beijing Institute of Microbiology, Chinese Academy of Sciences, No. 1, Yard 1, Beichen West Road, District, the preservation number is CGMCC NO.11670, and the preservation name is Acinetobacter pittii SYJ1‑3. The Acinetobacter piterii of the present invention can grow and proliferate with petroleum as a carbon source, utilize its own metabolism to degrade petroleum, and can be effectively used in the treatment of petroleum wastewater, petroleum-contaminated soil, etc., not only has high petroleum degradation efficiency, but also is simple and convenient to operate and low in cost. lower.

The invention provides a treating agent for reducing a sewage COD (Chemical Oxygen Demand) value. The treating agent is prepared from potassium ferrate and aluminum chloride. The treating agent provided by the invention has the beneficial effects that the potassium ferrate is adopted as a strong oxidant, so that secondary pollution cannot be caused, and the potassium ferrate also has the effects of sterilizing, inhibiting bacteria, flocculating and the like; the potassium ferrate is combined with the flocculating agent aluminum chloride so as to be capable of reducing the COD content in petroleum wastewater within a short time.

Apparatus for removing suspended impurities from a liquid (e.g., wastewater), methods of use, and systems including such apparatus. In an embodiment, an apparatus may include a vessel defining a chamber for receiving gas induced liquid influent through an inlet, the influent including suspended impurities. A riser tube may be provided within the vessel, in fluid communication with the inlet so that liquid influent introduced into the vessel through the inlet is introduced into the riser tube. One or more coalescing members may be disposed within the riser tube. The coalescing members may be sufficiently small to be easily removable by hand, without requiring a crane. The coalescing members may be freely disposed within the riser tube, rotatable within the flow of the liquid influent, aiding the coalescing members in exhibiting some degree of “self-cleaning”, so as to be less prone to fouling and clogging.

The invention discloses a treatment method of wastewater containing petroleum by utilizing a microorganism flora. The method comprises the following steps: culturing bacillus and enterobacter to respectively obtain strains; cleaning, and re-preparing bacterium suspension with OD620nm between 10 and 12 with normal saline; mixing the bacillus and enterobacter to construct a manual flora in a volume size of (2-3):1; and inoculating the constructed manual flora into petroleum wastewater in a inoculation amount of 6 to 8 percent of the volume ratio to realize treatment to the petroleum containing wastewater. Experiments prove that the crude oil degradation rate of treating petroleum containing wastewater by utilizing microorganism flora is remarkably higher than that of a single strain, and foundation is established to large-scale application of artificially constructed flora in wastewater containing petroleum treatment.

The invention provides an application method of a heavy metal ion detection chip in petroleum wastewater. The application method is characterized by including following steps: chip preparation, reagent preparation, sample solution treatment, sample solution separation, hybrid reaction, clean and storage. The application method of the heavy metal ion detection chip in the petroleum wastewater has the advantages that sample solution is mixed more sufficiently, detection accuracy is improved, detection effect improvement can be benefited from a design of a sample solution treating tower, detection is enabled to be more conveniently, more quickly and more accurately, treating operations can be changed flexibly according to actual situations of samples, and the sample solution separation can beperformed more precisely.

The invention discloses a petroleum production sewage treatment device convenient to clean, and belongs to the field of petroleum sewage treatment.The petroleum production sewage treatment device convenient to clean comprises a shell, supporting legs are fixedly connected to the corners of the lower surface of the shell, and a treatment box is arranged at the upper end of the interior of the shell; an oil injection pipe is arranged in the treatment box, the upper end of the oil injection pipe penetrates through the treatment box and the shell at a time and extends to the outside, the outer surface of the oil injection pipe is in sliding connection with the treatment box, and the outer surface of the oil injection pipe is fixedly connected with the shell; when petroleum wastewater is injected into the treatment box, the sealing plate is opened by utilizing the buoyancy of the floating plate to automatically discharge water, then petroleum and floating impurities automatically enter the purification box, the petroleum and the floating impurities are treated by the purification pipe, and the petroleum and the impurities are automatically separated, so that the manual operation is simplified, and the treatment effect of the petroleum wastewater is improved; and the operation is simple and convenient.

The invention relates to a device for treating high-concentration ammonia nitrogen in petroleum wastewater by using a surface activity catalyst, belonging to the field of sewage treatment. The device consists of a liquid box (1), a liquid inlet tube (2), a pipeline mixer (3), a filtering net (4), a stirrer (5), blades (6), an aerator (7), an air flowmeter (8), a water passing pipe (9), a nozzle (10), a heavy metal catalyst net (11), a denitrification reactor (12), a liquid outlet (13), a lifting pump (14), an air distribution tube (15) and an aeration area (16). The surface activity catalyst in the liquid box is practical and efficient in denitrification reaction, the removal rate of ammonia nitrogen is effectively increased, the remove rate of ammonia nitrogen in wastewater which is treated by using the device provided by the invention is increased to be greater than 99.9% from the conventional 67.8-82.4%, and meanwhile the production cost of the device is saved, the operation is convenient and feasible, the problem of secondary pollution is avoided, and the pollution of petroleum sewage to the environment is reduced.

The invention discloses an ozone and photocatalysis treatment agent and process for treating inorganic and organic complex wastewater, and the ozone and photocatalysis treatment agent and process are mainly completed by adding agents in the following process: firstly, adding A-type agents such as alkaline substances into the wastewater to adjust the acid-base property and B-type agents to remove metals, filtering, introducing ozone into supernate for 0.5-24 hours, then introducing into a container filled with ultraviolet light and a catalyst C, and adding polymeric iron and other agents D into effluent. After filtration, clear liquid is treated reclaimed water, and the clear liquid can be directly discharged or recycled after reaching the standard through detection. The composite process can be used for treating inorganic and organic complex wastewater which is high in organic matter content or contains oil and is difficult to degrade, such as printing and dyeing wastewater, pharmaceutical wastewater, urban sewage, pesticide wastewater, food wastewater, landfill leachate, aquaculture wastewater, petroleum wastewater, petrochemical wastewater, coking wastewater and the like.

The invention provides a method for treating liquefied petroleum wastewater by using adsorption resin and relates to the technical field of petroleum processing. The method is characterized by comprising the following steps: introducing the wastewater into a sloped tube to perform precipitation, and performing biochemical concentration treatment on precipitated sludge; performing sand back flushing treatment on the wastewater after precipitation, adding PAC (polyaluminium chloride) and PAM (polyacrylamide) into a solid after sand flushing treatment, and then introducing water to perform precipitation again; performing adsorption treatment on the wastewater after the sand back flushing treatment by using the adsorption resin; adding zeolite powder into the waste liquid after adsorption, wherein 5-10kg of the zeolite powder is added into each ton of the wastewater; performing circulating desorption treatment on the adsorption resin, which is saturated after adsorption, by using hydrochloric acid and sodium hydroxide solutions; and adsorbing the treated liquid again by using the adsorption resin, and then discharging or recycling the liquid. The method provided by the invention is good in adsorption effect, strong in adsorptivity, convenient in regeneration, environment-friendly and energy-saving, and low in cost.

The invention discloses novel equipment for petroleum wastewater treatment. The novel equipment comprises a wastewater main inlet and a filtering basin which is connected to one end of the wastewater main inlet and is provided with a filtering mechanism with a transmission energy supply mechanism for supplying energy, wherein the filtering basin is connected to a primary grit chamber through a first delivery pump; one end of the primary grit chamber is connected to an ozone aeration tank and a sludge discharge opening; one end of the ozone aeration tank is connected to a secondary grit chamber through an aeration tank water outlet pipe on the surface of the ozone aeration tank; one end of the secondary grit chamber is connected to the wastewater main inlet and a second delivery pump; and one end of the second delivery pump is connected to the sludge discharge opening. The novel equipment disclosed by the invention is reasonable in structural design, and the wastewater treatment efficiency and the wastewater treatment effect are both improved.

The invention discloses application of an induced polyaniline loaded graphene modified electrode reactor and a polycyclic aromatic hydrocarbon removal method. The removal effect of polycyclic aromatic hydrocarbon naphthalene in petroleum wastewater is improved by conducting polyaniline modification and graphene loading treatment on an anode of a microbial electrochemical system. The method comprises the following steps: firstly, applying a certain potential in a three-electrode system to nucleate aniline on a blank graphite rod, then adding graphene to perform cyclic voltammetry scanning on the blank graphite rod to obtain a modified electrode, culturing a degradation microbial film with electroactivity in an electrochemical reactor by using the modified electrode and using 1g / L sodium acetate as a carbon source, and using the cultured mature degradation microbial film with electroactivity to treat a solution containing naphthalene. The method has the advantages that the modified electrode realizes rapid enrichment of degradable microorganisms, further realizes efficient removal of polycyclic aromatic hydrocarbon, and provides a new method for application of a microbial electrochemical technology in the field of water pollution treatment.

The invention discloses a wind separation method petroleum wastewater electroplating treatment device, comprising a base, a settling tank is arranged on the upper side of the base, the top of the settling tank is connected with a waste water inlet, and the settling tank is connected with a degreasing tank through a conduit. tank, the inner upper end of the flocculation tank is provided with a flocculant storage box, and the other side of the flocculation tank is connected to a filter tank through a conduit, and the bottom of the settling tank, oil removal tank, electrolysis tank, flocculation tank and filter tank are all covered With bottom box. In the present invention, the electroplating treatment device for petroleum wastewater by winnowing method is mainly composed of five processing procedures of a settling tank, an oil removal tank, an electrolytic tank, a flocculation tank and a filter tank. V-shaped tubes are installed at the bottom, so that the sediment produced by the treatment can easily settle into the bottom box at the bottom, so that there will be no blockage in the treatment process, so that the treated impurities can be discharged in time.

The invention discloses a sewage treatment device for petroleum production that is easy to clean, and belongs to the field of oil sewage treatment. A sewage treatment device for oil production that is easy to clean comprises a shell, and the corners of the lower surface of the shell are fixedly connected with Support legs, the inner upper end of the casing is provided with a processing box, the interior of the processing box is provided with an oil injection pipe, the upper end of the oil injection pipe penetrates the processing box and the casing at one time and extends to the outside, and the outer part of the oil injection pipe The surface and the treatment box are slidingly connected, and the outer surface of the oil injection pipe is fixedly connected with the shell; when the oil waste water is injected into the treatment box, the buoyancy of the floating plate is used to open the sealing plate to automatically discharge the water, and then the oil and floating impurities can be discharged. It automatically enters the purification box, and the oil and floating impurities are processed by the purification tube, and the oil and impurities are automatically separated, which simplifies the manual operation, improves the treatment effect of petroleum wastewater, and the operation is simple and convenient.

The petroleum wastewater treatment device comprises a filter tank, a cover plate is arranged at the top of the filter tank, a second guide pipe is fixedly connected to the top of the left side of the filter tank, an ultrafiltration membrane is fixedly connected to the right position of the middle of the bottom of the filter tank, and the ultrafiltration membrane is fixedly connected with the side walls of the front end and the rear end of the filter tank. A discharging pipe is arranged at the bottom end of the right side of the filtering tank, one end of the discharging pipe penetrates through the bottom of the filtering tank, the other end of the second guide pipe is fixedly connected with a hydrolysis acidification tank, and the bottom end of the hydrolysis acidification tank is fixedly connected with a third guide pipe. According to the device, the ultrafiltration membrane is arranged, waste residues can be discharged along the discharging pipe, a heavy metal detector is arranged in the water outlet tank, and after the heavy metal detector detects that the waste residues reach the wastewater heavy metal content standard, an activated carbon plate arranged at the tail end of the water outlet pipe adsorbs microorganisms to generate impurities, and the waste residues are discharged through the water outlet pipe; if the heavy metal detector detects that the wastewater exceeds the standard, the wastewater flows back to the filter tank through the first guide pipe for circular treatment, and the device is worthy of vigorous popularization.

The invention discloses a petroleum wastewater treatment system. The system comprises a sedimentation and filtration pool, a coarse graining treatment pool, a flocculant treatment pool, a chemical treatment pool and pipelines, wherein the sedimentation and filtration pool, the coarse graining treatment pool, the flocculant treatment pool and the chemical treatment pool are in successive connection through the pipelines; and each pipeline is correspondingly provided with a water pump. The petroleum wastewater treatment system provided by the invention solves the problems of low efficiency and poor treatment effects of the petroleum wastewater treatment system in the prior art.

A temperature-sensitive magnetic nanomaterial-based emulsified petroleum wastewater treatment device comprises a first sewage tank, a temperature-sensitive magnetic nanomaterial reactor, a second sewage tank, a magnetic filter, a heat exchanger and a water storage tank, wherein a temperature-sensitive magnetic nanomaterial for deoiling from oil-containing wastewater is arranged in the temperature-sensitive magnetic nanomaterial reactor, the first sewage tank, the temperature-sensitive magnetic nanomaterial reactor and the second sewage tank are sequentially connected to form a wastewater treatment system, and the temperature-sensitive magnetic nanomaterial reactor, the magnetic filter, the heat exchanger and the water storage tank are sequentially connected to form a cleaning system for deoiling and recycling the temperature-sensitive magnetic nanomaterial with the surface which adsorbs oil. The device has the advantages of reasonable structure design, flexibility and convenience in operation, effective deoiling of the emulsified petroleum wastewater, recycling of the temperature-sensitive magnetic nanomaterial in the reactor, great reduction of the cost, no secondary pollution, economic property and environmental protection.

The invention discloses an application of an induced polyaniline-loaded graphene-modified electrode reactor and a method for removing polycyclic aromatic hydrocarbons, and improves the removal effect of polycyclic aromatic hydrocarbon naphthalene in petroleum wastewater by modifying polyaniline on the anode of a microbial electrochemical system and loading graphene , first apply a certain potential in the three-electrode system to make aniline nucleate on the blank graphite rod, then add graphene to scan the blank graphite rod by cyclic voltammetry to obtain a modified electrode, and use the modified electrode to perform in the electrochemical reactor For the cultivation of electroactive degrading microbial membranes, 1 g / L sodium acetate was used as a carbon source to cultivate mature electroactive degrading microbial membranes to treat the solution containing naphthalene. The invention has the advantage that the modified electrode realizes rapid enrichment of degradative microorganisms, thereby realizing efficient removal of polycyclic aromatic hydrocarbons, and provides a new method for the application of microbial electrochemical technology in the field of water pollution treatment.

The invention discloses a petroleum wastewater recycling apparatus, comprising a liquid storage tank that is hinged to electric telescopic columns through hinging fasteners; the electric telescopic columns are fixedly connected with support legs, the electric telescopic columns are electrically connected with a PLC (programmable logic controller), a pressure sensor and a liquid level sensor are arranged in the liquid storage tank, one side of the right side of the top end of the liquid storage tank is provided with a liquid inlet, the other side of the liquid storage tank is provided with a pressure meter, the pressure meter is electrically connected with the pressure sensor, a relief port is provided between the liquid inlet and the pressure meter and is provided with an automatic breather valve, a decompressor is provided below the relief port, two sides of the bottom end of the liquid storage tank are provided with liquid outlets, and an electromagnetic valve is arranged at each liquid outlet. In the invention, the petroleum wastewater recycling apparatus is simple in structure, enables the inner pressure issue of a treatment tank to well solved, and reduces dangers due to high pressure in tank.

The invention relates to a corrosion inhibitor for a high-carbon-dioxide and high-hydrogen sulfide oilfield and a preparation method thereof and belongs to the technical field of petroleum wastewater treatment. The corrosion inhibitor for the high-carbon-dioxide and high-hydrogen sulfide oilfield comprises the following components in percentage by mass: 10 to 30% of salifying imidazoline intermediate, 0.1 to 15% of ethidene diamine, 20 to 30% of ammonium hydroxide and 30 to 69% of water. The preparation method comprises the following steps of: (1) preparing a salified imidazoline intermediate, namely, adding palmitic acid and triethylene tetramine to a xylene solvent, heating to 150 to 170 DEG C for reflux; adding benzyl chloride after water is separated out from a water segregator, and heating to 180 to 210 DEG C and holding for 4-10 hours to obtain a non-salified salified imidazoline intermediate, and evaporating out excessive solvent to obtain the salified imidazoline intermediate; and (2) preparing the corrosion inhibitor for the oilfield, namely, completely dissolving the salified imidazoline intermediate and ethidene diamine by using ammonium hydroxide, adding ethyl alcohol completely while agitating, and finally diluting with water. The corrosion inhibitor is simple in a prescription, low in cost, convenient to process, wide in applicable scope, high in slow-release efficiency and good in slow-release effect and the raw materials are easily available.

The invention discloses special adsorption resin for liquefied petroleum wastewater treatment, and relates to the technical field of adsorption resin. The special adsorption resin is characterized by comprising the following components in parts by weight: 40-55 parts of styrene, 40-55 parts of divinylbenzene, 25-35 parts of a cross-linking agent, 50-70 parts of dimethylethanolamine, 10-20 parts of zinc chloride, 10-20 parts of tert-butylamine, 30-50 parts of a pore-foaming agent, 2-4 parts of a deoxidant, 10-20 parts of zeolite, 10-20 parts of gelatin and 5-8 parts of activated silicon dioxide. The special adsorption resin is good in adsorption effect, good in adsorption property, convenient to regenerate, and relatively good in adsorption property for ammonia nitrogen organisms, particularly for pyridine in waste petroleum liquids.

The invention relates to a method for treating petroleum industry wastewater by using a complex microbial inoculant. The method comprises the following steps: S1, preparing a complex microbial inoculant stock solution from the complex microbial inoculant, activating, preparing a complex microbial inoculant diluent from the activated complex microbial inoculant stock solution again, and sequentially activating and culturing; S2, carrying out sludge inoculation by utilizing the cultured complex microbial inoculant diluent through a high-concentration activated sludge process to obtain high-concentration activated sludge; S3, sequentially carrying out anaerobic treatment, hydrolytic acidification treatment, aerobic treatment and precipitation treatment on the petroleum industrial wastewater;wherein in the hydrolytic acidification treatment process, the high-concentration activated sludge is added, and in the aerobic treatment process, a cultured complex microbial inoculant diluent is added; and S4, treating the effluent subjected to sedimentation treatment through a secondary sedimentation tank, a sterilization tank and an adsorption tower in sequence, and then directly discharging the effluent. Aiming at the phenomenon that the temperature of petroleum wastewater raw water is relatively high, the limitation that a conventional biochemical treatment system cannot normally work athigh temperature is broken through.