WO2022222707A1 - Appareil de traitement et de recyclage évolué pour eaux usées de lavage de désulfuration de gaz d'échappement de navire - Google Patents

Appareil de traitement et de recyclage évolué pour eaux usées de lavage de désulfuration de gaz d'échappement de navire Download PDF

Info

Publication number
WO2022222707A1
WO2022222707A1 PCT/CN2022/083704 CN2022083704W WO2022222707A1 WO 2022222707 A1 WO2022222707 A1 WO 2022222707A1 CN 2022083704 W CN2022083704 W CN 2022083704W WO 2022222707 A1 WO2022222707 A1 WO 2022222707A1
Authority
WO
WIPO (PCT)
Prior art keywords
washing
wastewater
washing water
advanced treatment
reuse
Prior art date
Application number
PCT/CN2022/083704
Other languages
English (en)
Chinese (zh)
Inventor
张丽
杨懿
张文婷
杨佳
李庆华
石佳玉
祁振皓
Original Assignee
上海海事大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海海事大学 filed Critical 上海海事大学
Publication of WO2022222707A1 publication Critical patent/WO2022222707A1/fr

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • 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
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
    • 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
    • C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
    • C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • 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
    • C02F2101/101—Sulfur 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
    • C02F2101/00—Nature of the contaminant
    • C02F2101/30—Organic compounds
    • C02F2101/32—Hydrocarbons, e.g. oil
    • C02F2101/327—Polyaromatic Hydrocarbons [PAH's]
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/10—Photocatalysts

Definitions

  • the invention belongs to the technical field of ship tail gas desulfurization washing wastewater treatment, and particularly relates to a ship tail gas washing wastewater treatment device.
  • the closed-circuit ship exhaust desulfurization and scrubbing method which has become the mainstream development technology at present, has improved the secondary pollution discharge problem of open-circuit and hybrid systems, but there are still key bottlenecks in this method and technology.
  • the physical and chemical properties of the washing water in the washing system are always in the optimal working conditions.
  • the treatment technologies for ship exhaust washing wastewater mainly include: Chinese patents "A new integrated device for ship wastewater treatment (CN201110087069.9)” and “An improved ship water treatment equipment (CN201520809429.5)” ”, the above invention sequentially passes wastewater through multiple chambers or layers, and undergoes treatment processes such as aeration, sedimentation, filtration, biochemistry, and disinfection.
  • the invented equipment has a high degree of integration, the treatment capacity per unit time is small, and it is not It is suitable for the requirement of large circulating water volume of the ship exhaust gas desulfurization washing system; and the invention introduces a microbial decomposition process to remove organic pollutants in the washing wastewater, which is limited by the high acid-base and high organic toxicity generated in the ship exhaust gas washing process. and other harsh water quality, the species and abundance of microorganisms are seriously affected, resulting in poor impact resistance in the microbial degradation process section, and the water quality of the treated washing water fluctuates sharply, failing to meet the reuse or discharge standards, and even affecting the normal process of the waste gas cleaning system. , so the risk is very high.
  • the technology proposed in the Chinese patent “A Device and Method for Desulfurization Wastewater from Ships (CN201310422883.0)” is mainly micro-bubble + chemical flocculation + adsorption. Saturation, low utilization rate of sewage recycling, etc.
  • the wastewater is introduced into the cyclone separation unit to separate out the sludge, and the remaining wastewater enters the electrochemical treatment unit for oxidative degradation, and the wastewater is discharged after treatment.
  • the system saves the dosing device, but the pH value of the wastewater cannot meet the discharge requirements; in addition, the wastewater is directly separated by cyclone without coagulation treatment, which cannot fully separate the suspended solids such as oil pollution; it also uses an electrolysis device, which saves energy higher.
  • the purpose of the present invention is to provide an advanced treatment and reuse device for ship exhaust washing wastewater, so as to solve the problems of incomplete removal of pollutants and low efficiency, large sludge output, high energy consumption and washing water recycling rate existing in the prior art. lower issues.
  • the present invention provides a device for advanced treatment and reuse of ship exhaust gas scrubbing wastewater, which is used to treat and recover the scrubbing wastewater formed after the scrubbing tower processes the exhaust gas, including:
  • the washing water storage tank one side is connected to the water inlet pipeline, and the other side is connected to the washing tower through the conveying pipeline;
  • One end of the washing water circulation pipeline is connected with the outlet at the bottom of the washing tower, and the other end is divided into two parts to form the first circulation pipeline and the second circulation pipeline;
  • Wastewater processors including ultrasonic components and photocatalytic components, are used to degrade and remove pollutants in wastewater;
  • the first circulation pipeline is connected with the washing water storage tank to form a first circulation system;
  • the second circulation pipeline is sequentially connected with the filter, the waste water processor and the washing water storage tank , forming a second circulatory system.
  • the photocatalytic assembly includes an excitation light source and a photocatalyst.
  • the dominant wavelength emitted by the excitation light source is in the range of 185 nm to 420 nm.
  • the photocatalyst is a semiconductor catalyst.
  • the semiconductor catalyst is a supported catalyst.
  • the power used by the ultrasonic component ranges from 20 kHz to 80 kHz.
  • a PAHs concentration detector is provided on the conveying pipeline.
  • the washing water storage tank is provided with a liquid level gauge.
  • the washing water storage tank is provided with a pH meter.
  • the device provided by the present invention has the following advantages:
  • the advanced treatment and reuse device of the ship's tail gas washing wastewater adopts a wastewater processor to treat the washing wastewater.
  • the wastewater processor includes an ultrasonic component, a photocatalytic component and an ultrafiltration component.
  • ultrasonic degradation, photolysis and multiple The three purification effects of phase photocatalytic oxidation are carried out at the same time, and ultrasonic and heterogeneous photocatalysis also have a synergistic effect, which can degrade and remove suspended solids, oil stains, sulfites, polycyclic aromatic hydrocarbons and other pollution in the washing wastewater more efficiently and thoroughly.
  • the wastewater processor does not introduce any chemicals, which greatly reduces the negative impact on the ecological environment during the wastewater treatment process.
  • the advanced treatment and reuse device of the ship's exhaust gas washing wastewater is equipped with a second circulation system, so that the washing water of the closed-circuit ship exhaust gas cleaning system can be completely purified and replenished online in the form of bypass with the ship, which not only improves the closed-circuit ship exhaust gas cleaning system.
  • the service time and recycling rate of the scrubbing water in the exhaust gas cleaning system reduce the demand for supplementary water from sources such as seawater, and also save a lot of supplementary consumption of alkaline scrubbers, thereby reducing the storage of chemicals on board It reduces the hidden danger of ship navigation safety.
  • the advanced treatment and reuse device of the ship's tail gas washing wastewater can detect the concentration of PAHs in the washing wastewater and control the working conditions of the first and second circulation systems, so that the ship's tail gas desulfurization and washing system can efficiently desulfurize and wash the tail gas at the same time. , to treat the PAHs in the washing wastewater to reduce the environmental risk caused by the enrichment of PAHs in the washing wastewater.
  • the device provided by the present invention adopts a supported catalyst.
  • the use of the supported catalyst can reduce the loss of the photocatalyst, simplify the treatment equipment, increase the service life of the equipment, and improve its use. stability in the process.
  • the advanced treatment and reuse device of the ship's tail gas washing wastewater does not need to install an electrolysis device, and the energy consumption is low.
  • the second circulation system of the advanced treatment and reuse device of the ship's tail gas washing wastewater has no direct impact on the structure of the original ship's tail gas desulfurization and washing system, that is, the structure of the first circulation system, and the added treatment equipment hardly increases the overall structure.
  • the complexity of the structure, and the manipulation is simple.
  • the installed processing equipment is small in size, low in energy consumption, high in processing efficiency, and has a wide range of applications.
  • the processing scale can be flexibly adjusted by increasing or decreasing the number of ultrasonic components and photocatalytic components.
  • Fig. 1 is a process flow chart of washing water treatment using the advanced treatment and reuse device of ship exhaust washing wastewater according to the present invention.
  • Washing water storage tank 1 conveying pipeline 2; lift pump 21; washing tower 3; ship engine 4; washing water circulating pipeline 5; first circulating pipeline 51; second circulating pipeline 52; Second return pump 521; filter 522; waste water processor 523; feed pump 6; PAHs concentration detector 7.
  • the present invention provides a device for advanced treatment and reuse of ship exhaust gas scrubbing wastewater, the device is used to treat the scrubbing wastewater formed after the scrubbing tower processes the exhaust gas, and includes:
  • the washing water storage tank 1 one side of the said washing water storage tank 1 is connected with the water inlet pipeline provided with the inlet pump 6, and the other side is connected with the washing tower 3 through the conveying pipeline 2 provided with the lifting pump 21, and the said A PAHs concentration detector 7 is arranged on the conveying pipeline;
  • the washing water circulation pipeline 5 has one end connected to the bottom outlet of the washing tower 3, and the other end is divided into two to form the first circulation pipeline 51 and the second circulation pipeline 52;
  • the filter 522 is used to filter impurities in the waste water
  • Wastewater processor 523 the wastewater processor 523 includes a wastewater processor, including ultrasonic components and photocatalytic components, for degrading and removing pollutants in wastewater;
  • the first circulation line 51 is provided with a first return pump 511, which is connected with the washing water storage tank 1 to form a first circulation system; the second circulation line 52 is provided with a second return pump in sequence.
  • the return pump 521 is connected to the filter 522, the waste water processor 523 and the washing water storage tank 1 in sequence to form a second circulation system, both of which are used for recycling the washing waste water.
  • the photocatalytic assembly includes an excitation light source and a photocatalyst.
  • the main wavelengths emitted by the excitation light source are in the range of 185nm to 420nm, and the optimal light source is a light source with dominant wavelengths of 254nm and 185nm;
  • the photocatalysts are semiconductor photocatalysts such as metal oxides, sulfides, and selenides excited by ultraviolet and visible light.
  • titanium dioxide and modified titanium dioxide treated by nitrogen doping, dye sensitization and other processes containing zinc oxide, nickel oxide, bismuth oxyiodide, bismuth vanadate, bismuth molybdate, graphene-like carbon nitride and other materials
  • titanium dioxide and modified titanium dioxide treated by nitrogen doping, dye sensitization and other processes containing zinc oxide, nickel oxide, bismuth oxyiodide, bismuth vanadate, bismuth molybdate, graphene-like carbon nitride and other materials
  • Various compound semiconductor photocatalysts include: titanium dioxide and modified titanium dioxide treated by nitrogen doping, dye sensitization and other processes, containing zinc oxide, nickel oxide, bismuth oxyiodide, bismuth vanadate, bismuth molybdate, graphene-like carbon nitride and other materials
  • the semiconductor catalyst is a supported catalyst
  • the supporting matrix can be inorganic or organic structural materials such as ceramics, silica gel, resin, graphite, zeolite, stainless steel, nickel and nickel-based alloys, titanium and titanium-based alloys, and the shape of the supporting matrix can be: Spherical, sheet, mesh, fibrous, foam, sponge.
  • the power range of the ultrasonic component is 20kHz to 80kHz, and the optimal power is 20kHz, which can release a large amount of polycyclic aromatic hydrocarbons attached to macroscopic particles or sludge into the water environment, and can also affect the polycyclic aromatic hydrocarbons that participate in the heterogeneous photocatalytic reaction.
  • the outer wall of the excitation light source is continuously cleaned to ensure the penetration ability of its effective light wave, so that the photocatalytic component works reliably and efficiently.
  • the washing water storage tank 1 is provided with a liquid level meter and a pH meter, which are used for real-time monitoring of the pH and water volume of the washing water in the washing water storage tank 1 .
  • a liquid level meter and a pH meter which are used for real-time monitoring of the pH and water volume of the washing water in the washing water storage tank 1 .
  • the process flow of the advanced treatment and reuse device of the ship exhaust desulfurization washing wastewater provided by the present invention is as follows: the ship engine 4 burns sulfur-containing fuel to generate tail gas and enters the washing tower 3, and the washing water storage tank 1 Under the action of the lift pump 21 and the nozzle (not marked in the figure), the washing water of the ship cleans the sulfur-containing tail gas in the form of droplets in the ship tail gas desulfurization washing tower 3, and the alkaline substances such as sodium hydroxide in the washing water can be mixed with the tail gas.
  • the sulfur-containing components in the solution are fully reacted to generate sodium sulfite or further oxidized to generate sodium sulfate, which is dissolved in the washing water and flows out from the bottom outlet of the washing tower 3 into the washing water circulation pipeline 5.
  • the unburned fuel components, black carbon , PAHs, etc. also enter the washing water circulation pipeline 5 with the washing water, and the clean exhaust gas is overflowed and discharged from the upper port of the washing tower 3; the washing water containing various pollutants entering the washing water circulation pipeline 5 can be equipped with a first reflux.
  • the first circulation line 51 of the pump 511 returns to the washing water storage tank 1 to participate in the exhaust gas washing process again.
  • part of the washing water can also be pumped into the second circulation system through the second return pump 521 for waste water treatment: first pass the filter 522 , after coarse filtration, centrifugal separation and other steps to filter or remove carbon black, insoluble crystalline salt, unburned components and other macroscopic (different from micro-nano-scale particles) pollutants, enter the waste water processor 523, in this
  • the organic pollutants such as PAHs in the washing water are completely decomposed or oxidized through the triple purification of ultrasonic waves, multi-phase photocatalysis and photolysis, and small molecules are easily degraded organic acids and further generate CO 2 , water, inorganic salts, etc.
  • the product, a small amount of insoluble inorganic salts generated, etc., are subjected to ultrafiltration treatment and then enter the sludge storage tank, and are to be transferred to the shore for treatment; at the same time, the treated washing water enters the washing water storage tank 1 through the second circulation pipeline 52, and is not connected with the untreated sludge in the tank.
  • the treated washing water enters again from the top of the washing tower under the action of the lift pump 21 to clean the sulfur-containing tail gas produced by the ship's engine. The above process is repeated continuously.
  • the first circulation system and the second circulation system do not necessarily operate at the same time.
  • the present invention measures the PAHs concentration in the washing water in real time by installing a PAHs concentration detector 7, and then adjusts the first circulation system and the second circulation system.
  • the working state of the circulation system when the washing water first starts to work, the content of PAHs and other pollutants and impurities in the washing wastewater is not much, that is, when the concentration of PAHs in the washing wastewater is not more than 50 ⁇ g/L, only the first circulation system needs to be run at this time. ; As the time of washing waste gas treatment increases, the content of PAHs pollutants and impurities in the washing waste water gradually increases.
  • the second circulation system and the first circulation system work simultaneously; when the pollutant concentration exceeds 50 ⁇ g/L If the concentration is too high and it is located outside the exhaust emission control area of the ship, the first circulation system can be stopped, and only the second circulation system can be opened to efficiently treat the pollutants in the washing wastewater.
  • the ship engine 4 of the applicable vessel is a WARTSILA-SULZER RT fiex50 type low-speed diesel engine, the total exhaust volume is 4 ⁇ 10 4 NM 3 /h, the flow rate of the lift pump 21 is 0-80m 3 /h, and the initial temperature of the flue gas is At 300°C, the initial concentration of SO 2 is about 500 mg/Nm 3 .
  • the generated flue gas is desulfurized and washed by the magnesium-based seawater method.
  • the washing water contains 1% concentration of Mg(OH) 2.
  • the closed-circuit ship exhaust desulfurization and washing system is started for 2 hours.
  • the desulfurization washing water is 2.7m 3 in total.
  • the flow rate of the second reflux pump 521 is 7.5L/min
  • the volume of the reaction chamber of the waste water processor 523 is 0.2m 3
  • 50 ultraviolet lamps with a power of 54w and an emission band of 254nm are arranged at equal intervals in the reactor.
  • the heterotitanium dioxide-supported catalyst is evenly arranged in parallel with the ultraviolet lamp, and the processing frequency of the ultrasonic component is 20KHz. It is calculated that a total of 0.9m 3 of washing water is treated by the waste water processor 523 for 0.5h, and the CODCr degradation rate of the outlet effluent reaches 50.1%.
  • the flow rate of the second return pump 521 is adjusted to be 15L/min
  • the waste water processor 523 is adjusted to work at full power load, and the CODCr degradation rate of the outlet water is detected to be 90.6%.
  • the engine of the applicable ship is a MAN 6S35MC low-speed diesel engine.
  • the total smoke emission of the ship's engine 4 is 28,000kg/h, and the fuel used is high-sulfur 3.5% marine fuel oil.
  • 50L of sodium hydroxide solution with a mass fraction of 20% needs to be consumed per hour, that is, 50L of desulfurization tail gas washing water loses the desulfurization effect.
  • the desulfurization tail gas scrubbing water in the initial scrubbing water storage tank 1 is 0.5 m 3 in total.
  • the flow rate of the second reflux pump 521 is 5L/min
  • the volume of the reaction chamber of the waste water processor 523 is 0.5m 3
  • 100 ultraviolet lamps with a power of 38w and an emission wavelength of 254nm and 185nm are arranged at equal intervals in the reactor, and the spongy oxidation
  • the zinc-supported catalyst was evenly arranged in parallel with the UV lamp, and the treatment frequency of the ultrasonic component was 20 kHz. It is calculated that a total of 0.3 m 3 of washing water is treated by the waste water processor 523 for 1 hour, and the CODCr degradation rate of the effluent at the outlet reaches 76.2%.
  • the flow rate of the second return pump 521 is further adjusted to 8L/min, the waste water processor 523 works at full power load, and the CODcr degradation rate of the outlet water is 95.1% after testing.
  • the present invention provides a device for advanced treatment and reuse of ship tail gas washing wastewater.
  • the device does not need to be equipped with an electrolysis device and has low energy consumption; the technology of filtration and ultrasonic coupling multi-phase photocatalytic oxidation reaction is used to treat the washing wastewater, which can not only degrade and remove pollutants in the washing wastewater efficiently and thoroughly, but also greatly reduce the sludge production. And no chemicals are introduced, which greatly reduces the negative impact on the ecological environment in the process of wastewater treatment; in addition, the device improves the service time and recycling rate of the washing water in the closed-circuit ship tail gas desulfurization washing system, reducing its impact.
  • the demand for supplementary water from sources such as seawater also saves a lot of supplementary consumption of alkaline detergents, thereby reducing the storage of chemicals on board and reducing the potential safety hazards of ships.

Abstract

La présente invention divilgue un appareil de traitement et de recyclage évolué pour eaux usées de lavage de désulfuration de gaz d'échappement de navire. L'appareil comprend : un réservoir de stockage d'eau de lavage, relié à une tour de lavage ; une conduite de circulation d'eau de lavage, dont une extrémité est reliée à une sortie au fond de la tour de lavage, et dont l'autre extrémité est divisée en une première conduite de circulation et une seconde conduite de circulation ; un filtre ; et un dispositif de traitement d'eaux usées, comprenant un ensemble à ultrasons, un ensemble photocatalytique, et un ensemble d'ultrafiltration, la première conduite de circulation étant reliée au réservoir de stockage d'eau de lavage pour former un premier système de circulation, et le filtre, le dispositif de traitement d'eaux usées et le réservoir de stockage d'eau de lavage étant successivement mis en communication les uns avec les autres par la seconde conduite de circulation pour former un second système de circulation. L'appareil traite des eaux usées issues du lavage à l'aide d'une technologie impliquant une réaction d'oxydation photocatalytique hétérogène couplée avec filtration et ultrasons, de façon à pouvoir éliminer complètement et de manière efficace les polluants présents dans les eaux usées, et à améliorer également le taux de recyclage de l'eau de lavage ; de plus, les eaux usées issues du lavage sont traitées sans introduire de produit chimique quelconque, de sorte que l'influence négative sur l'environnement écologique est faible.
PCT/CN2022/083704 2021-04-19 2022-03-29 Appareil de traitement et de recyclage évolué pour eaux usées de lavage de désulfuration de gaz d'échappement de navire WO2022222707A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202110418553.9A CN112919707A (zh) 2021-04-19 2021-04-19 一种船舶尾气脱硫洗涤废水的深度处理及回用装置
CN202110418553.9 2021-04-19

Publications (1)

Publication Number Publication Date
WO2022222707A1 true WO2022222707A1 (fr) 2022-10-27

Family

ID=76174546

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/083704 WO2022222707A1 (fr) 2021-04-19 2022-03-29 Appareil de traitement et de recyclage évolué pour eaux usées de lavage de désulfuration de gaz d'échappement de navire

Country Status (2)

Country Link
CN (1) CN112919707A (fr)
WO (1) WO2022222707A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112919707A (zh) * 2021-04-19 2021-06-08 上海海事大学 一种船舶尾气脱硫洗涤废水的深度处理及回用装置
CN113789090B (zh) * 2021-09-16 2022-06-07 广州特种承压设备检测研究院 一种石墨烯改性光催化水性涂料及其制备方法和应用
CN115159734A (zh) * 2022-07-29 2022-10-11 中船动力研究院有限公司 一种水处理系统和船舶

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104168976A (zh) * 2012-02-13 2014-11-26 朗技术公司 用于处理船的废气中包含的杂质的方法、具有废气洗涤器的船和净化单元
CN105884101A (zh) * 2016-06-12 2016-08-24 武汉东川自来水科技开发有限公司 三效一体化的船舶污水处理装置及方法
KR20210034950A (ko) * 2019-09-23 2021-03-31 삼성중공업 주식회사 선박의 수처리 시스템
CN112919707A (zh) * 2021-04-19 2021-06-08 上海海事大学 一种船舶尾气脱硫洗涤废水的深度处理及回用装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103331093B (zh) * 2013-06-26 2015-04-08 哈尔滨工程大学 一种船舶柴油机废气洗涤脱硫的设备
CN104043327B (zh) * 2014-06-21 2016-08-24 曹学良 一种船舶尾气电催化处理系统
CN107344068B (zh) * 2016-05-04 2020-10-02 中国海洋大学 光催化氧化与光催化曝气集成的烟气海水脱硫脱硝工艺
US10947132B2 (en) * 2017-04-13 2021-03-16 Carbonxt, Inc. System and methods for removing dissolved metals from wastewater streams
CN110734164A (zh) * 2019-11-18 2020-01-31 唐建 一种船舶废水处理系统及其处理方法
CN111888905A (zh) * 2020-07-24 2020-11-06 浙江大学 一种船用混合式脱硫系统及方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104168976A (zh) * 2012-02-13 2014-11-26 朗技术公司 用于处理船的废气中包含的杂质的方法、具有废气洗涤器的船和净化单元
CN105884101A (zh) * 2016-06-12 2016-08-24 武汉东川自来水科技开发有限公司 三效一体化的船舶污水处理装置及方法
KR20210034950A (ko) * 2019-09-23 2021-03-31 삼성중공업 주식회사 선박의 수처리 시스템
CN112919707A (zh) * 2021-04-19 2021-06-08 上海海事大学 一种船舶尾气脱硫洗涤废水的深度处理及回用装置

Also Published As

Publication number Publication date
CN112919707A (zh) 2021-06-08

Similar Documents

Publication Publication Date Title
WO2022222707A1 (fr) Appareil de traitement et de recyclage évolué pour eaux usées de lavage de désulfuration de gaz d'échappement de navire
CN202785890U (zh) 一种纺织印染废水深度处理回用设备
KR101680990B1 (ko) 연소 엔진으로부터의 배기 가스 중에서 ｓｏｘ 및 ｎｏｘ를 감소시키기 위한 조합된 정화 시스템 및 방법
KR102418123B1 (ko) 선박의 운항해역의 해수 염도를 고려한 배기가스 정화시스템, 정화방법, 및 그 배기가스 정화시스템을 구비하는 선박
CN103288236B (zh) 含盐废水的处理方法
CN105854602A (zh) 一种船舶低速柴油机尾气洗涤及废水处理复合装置
CN101863589A (zh) 一种应用臭氧催化氧化与内循环生物滤池组合进行污水深度处理的方法
CN104772028A (zh) 一种新型湿式船舶废气综合处理方法及装置
KR20190004475A (ko) 황산화물 정화기능을 가진 통합 불활성 가스시스템, 그 통합 불활성 가스시스템의 정화방법, 및 그 통합 불활성 가스시스템을 구비하는 선박
CN108187480B (zh) 船舶废气脱硫系统
CN105498490A (zh) 一种电解海水与紫外辐照集成的船舶废气多污染物综合处理方法及装置
CN210278766U (zh) 一种船舶废气混合式脱硫系统
KR20140073280A (ko) 선박용 배기 가스 정화장치
KR101210536B1 (ko) 선박용 오수처리장치
KR20190032168A (ko) 배기가스 오염물질 저감장치
CN110642422A (zh) 船舶脱硫气浮循环装置、船舶废气洗涤系统及船舶
CN209635935U (zh) 一种处理难降解有机废水氧化剂协同光催化氧化反应装置
CN111039433A (zh) 一种船舶尾气脱硫洗涤废水处理系统及方法
CN114797381B (zh) 一种减少碳排放的VOCs废气绿色处理工艺
CN211664818U (zh) 船舶尾气脱硫洗涤废水处理系统
CN109179569A (zh) 一种处理难降解有机废水氧化剂协同光催化氧化反应装置及应用
KR101046938B1 (ko) 수산화 라디칼을 이용한 유지 분해장치
CN212315792U (zh) 船舶废水处理系统
CN212713082U (zh) 一种双波段紫外光催化高级氧化装置
CN210030268U (zh) 一种用于印染废水的多线处理系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22790816

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22790816

Country of ref document: EP

Kind code of ref document: A1