WO2014091903A1 - 硫化水素を含む貧液の処理方法及び処理装置 - Google Patents

硫化水素を含む貧液の処理方法及び処理装置 Download PDF

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Publication number
WO2014091903A1
WO2014091903A1 PCT/JP2013/081471 JP2013081471W WO2014091903A1 WO 2014091903 A1 WO2014091903 A1 WO 2014091903A1 JP 2013081471 W JP2013081471 W JP 2013081471W WO 2014091903 A1 WO2014091903 A1 WO 2014091903A1
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Prior art keywords
aeration
hydrogen sulfide
reaction vessel
poor
containing hydrogen
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PCT/JP2013/081471
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English (en)
French (fr)
Japanese (ja)
Inventor
中井　隆行
諭 松原
中井　修
京田　洋治
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Sumitomo Metal Mining Co Ltd
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Sumitomo Metal Mining Co Ltd
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Application filed by Sumitomo Metal Mining Co Ltd filed Critical Sumitomo Metal Mining Co Ltd
Priority to US14/651,396 priority Critical patent/US9731980B2/en
Priority to EP13861760.0A priority patent/EP2933235B1/en
Priority to CA2894641A priority patent/CA2894641C/en
Priority to AU2013358258A priority patent/AU2013358258B2/en
Priority to CN201380064950.4A priority patent/CN104955774B/zh
Publication of WO2014091903A1 publication Critical patent/WO2014091903A1/ja
Priority to PH12015501314A priority patent/PH12015501314B1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0005—Degasification of liquids with one or more auxiliary substances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2311—Mounting the bubbling devices or the diffusers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23121—Diffusers having injection means, e.g. nozzles with circumferential outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23126—Diffusers characterised by the shape of the diffuser element
    • B01F23/231265—Diffusers characterised by the shape of the diffuser element being tubes, tubular elements, cylindrical elements or set of tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/86—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis co-operating with deflectors or baffles fixed to the receptacle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/91—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with propellers
    • 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
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0407—Leaching processes
    • C22B23/0415—Leaching processes with acids or salt solutions except ammonium salts solutions
    • C22B23/043—Sulfurated acids or salts thereof
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B23/00—Obtaining nickel or cobalt
    • C22B23/04—Obtaining nickel or cobalt by wet processes
    • C22B23/0453—Treatment or purification of solutions, e.g. obtained by leaching
    • C22B23/0461—Treatment or purification of solutions, e.g. obtained by leaching by chemical methods
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B01F23/23126—Diffusers characterised by the shape of the diffuser element
    • B01F23/231266—Diffusers characterised by the shape of the diffuser element being in the form of rings or annular elements
    • 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
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/02—Non-contaminated water, e.g. for industrial water supply
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10—Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/16—Nature of the water, waste water, sewage or sludge to be treated from metallurgical processes, i.e. from the production, refining or treatment of metals, e.g. galvanic wastes
    • 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
    • C02F2303/04—Disinfection
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Definitions

  • the present invention relates to a treatment method and a treatment apparatus for a poor liquid containing hydrogen sulfide, such as a process liquid after sulfidation treatment of a nickel oxide ore plant.
  • a treatment method and a treatment apparatus for a poor liquid containing hydrogen sulfide such as a process liquid after sulfidation treatment of a nickel oxide ore plant.
  • HPAL High Pressure Acid
  • the pretreatment step (1), the leaching step (2), the solid-liquid separation step (3), The sum process (4), the dezincification process (5), the sulfurization process (6), and the detoxification process (7) are included (for example, refer patent document 1).
  • nickel oxide ore is crushed and classified into a slurry.
  • the leaching step (2) sulfuric acid is added to the slurry obtained in the pretreatment step (1), and the mixture is stirred at 220 to 280 ° C., and high-temperature pressure acid leaching is performed to obtain a leaching slurry.
  • the leaching slurry obtained in the leaching step (2) is subjected to solid-liquid separation to obtain a leachate containing nickel and cobalt (hereinafter referred to as “crude nickel sulfate aqueous solution”) and the leaching residue. obtain.
  • the crude nickel sulfate aqueous solution obtained in the solid-liquid separation step (3) is neutralized.
  • step (5) hydrogen sulfide gas is added to the crude nickel sulfate aqueous solution neutralized in the neutralization step (4) to precipitate and remove zinc as zinc sulfide.
  • the sulfidation step (6) hydrogen sulfide gas is added to the dezincification final solution obtained in the dezincification step (5) to obtain a nickel / cobalt composite sulfide and a nickel poor solution.
  • the heavy metal was solidified as a hydroxide and removed by the final neutralization treatment, so that the leach residue generated in the solid-liquid separation step (3) and the sulfidation step (6) occurred. Detoxify nickel poor solution.
  • nickel oxide ore contains many kinds of heavy metals, and is dissolved under high temperature and high pressure conditions using sulfuric acid. Collect the necessary metals.
  • sulfurization reaction hydrogen sulfide gas or a salt such as sodium hydrogen sulfide or sodium sulfide is used, but unreacted sulfide remains after the sulfurization step.
  • JP 2011-225908 A JP-A-2005-350766 Japanese Patent Application Laid-Open No. 08-071585 JP-A-10-258222
  • the present invention has been made in view of such a situation, and the object of the present invention is, for example, in a solution containing hydrogen sulfide gas such as a process liquid after sulfidation in a hydrometallurgical treatment of nickel oxide ore.
  • An object of the present invention is to provide a processing method and a processing apparatus for a poor solution capable of effectively reducing dissolved hydrogen sulfide gas.
  • annular aeration tube having a large number of outlets is provided at the bottom of a vertical cylindrical reaction vessel, and the annular aeration tube is stirred while the poor liquid containing hydrogen sulfide is stirred in the reaction vessel. Hydrogen sulfide is removed from the poor liquid by aeration using a simple aeration apparatus that blows aeration gas from a large number of outlets.
  • the present invention is a method for treating a poor liquid containing hydrogen sulfide, which is provided in a vertical cylindrical reaction vessel, a stirring blade provided in the reaction vessel, and a bottom portion in the reaction vessel.
  • a poor liquid containing hydrogen sulfide is stirred by the rotation of the stirring blades, it is introduced into the reaction vessel from the numerous outlets of the aeration pipe.
  • hydrogen sulfide is removed from the poor solution.
  • the present invention is also a treatment apparatus for a poor liquid containing hydrogen sulfide, which is provided at a vertical cylindrical reaction vessel, a stirring blade provided in the reaction vessel, and a bottom portion in the reaction vessel.
  • An aeration tank provided with an annular aeration pipe having a large number of air outlets, and in the aeration tank, the poor liquid containing hydrogen sulfide is agitated by the rotation of the agitation blades, and a plurality of aeration pipes of the aeration pipe are agitated.
  • Hydrogen sulfide is removed from the poor solution by introducing aeration gas into the reaction vessel from the outlet and aeration.
  • the poor liquid may be a process liquid after sulfidation treatment in a nickel oxide ore hydrometallurgical plant.
  • aeration can be performed by the aeration tube formed in an annular shape with a size of 70 to 90% of the diameter of the reaction vessel.
  • aeration can be performed from the above-described air outlet formed in a circular shape having a diameter of 10 to 20 mm.
  • 10 to 20 short pipe aerations installed at equal intervals on the aeration pipe as the outlet may be performed.
  • the gas for aeration can be air.
  • an annular aeration pipe having a large number of outlets is provided at the bottom of a vertical cylindrical reaction vessel, and an annular aeration is carried out while stirring a poor liquid containing hydrogen sulfide in the reaction vessel.
  • a reaction vessel with a stirring blade for adding slurry after leaching into a poor solution obtained from a sulfidation process of a nickel oxide ore wet processing plant can be suitably used as an aeration tank. It is possible to effectively reduce the hydrogen sulfide gas generated in the recycling process and the subsequent wastewater treatment process.
  • FIG. 1 is a perspective view illustrating a configuration of a main part of a configuration example of a poor liquid treatment apparatus to which the present invention is applied.
  • FIG. 2 is a process diagram of a nickel oxide ore hydrometallurgical plant in which a poor liquid treatment apparatus is used.
  • FIG. 3 is a perspective view showing a configuration example of an air outlet provided in the aeration pipe in the poor liquid treatment apparatus.
  • FIG. 4 is a process diagram of a nickel oxide ore plant by a high pressure acid leaching method.
  • the poor liquid treatment method according to the present embodiment is performed by a poor liquid treatment apparatus 100 having a configuration as shown in FIG. 1, for example.
  • This poor liquid treatment apparatus 100 is a circle having a vertical cylindrical reaction vessel 110, a stirring blade 120 provided in the reaction vessel 110, and a large number of air outlets 131 provided at the bottom of the reaction vessel 110.
  • the multiple liquid outlets 131 of the aeration pipe 130 are stirred in the vertical cylindrical reaction vessel 110 while the poor liquid containing hydrogen sulfide is stirred by the rotation of the stirring blade 120. Then, aeration gas is introduced into the reaction vessel 110 and aerated to remove hydrogen sulfide from the poor solution.
  • the heavy metal is solidified and removed as a hydroxide by the final neutralization treatment, thereby removing the leach residue generated in the solid-liquid separation process.
  • the nickel poor solution generated in the sulfurization process is made harmless and discarded.
  • a hydrogen sulfide removal process is provided before the detoxification process, and in the hydrogen sulfide removal process, the above-described poor liquid treatment apparatus 100 is used. Then, hydrogen sulfide is removed from the poor liquid obtained as a process liquid after sulfidation (liquid after sulfidation).
  • annular aeration pipe 130 having a large number of air outlets 131 is provided in a reaction tank for removing hydrogen sulfide from a poor liquid containing hydrogen sulfide obtained as a process liquid after sulfidation in the previous stage of the detoxification process.
  • this reaction tank is used as the above-mentioned poor liquid processing apparatus 100.
  • a poor liquid containing hydrogen sulfide obtained as a process liquid after the sulfidation treatment is charged into the vertical cylindrical reaction vessel 110, and the reaction vessel In 110, the poor liquid containing hydrogen sulfide is stirred by the rotation of the stirring blade 120. Then, in the reaction vessel 100, air as aeration gas is introduced into the poor liquid from the numerous outlets 131 of the aeration pipe 130 and aerated, whereby the sulfur content of the residual hydrogen sulfide in the poor liquid is reduced. It is reduced to sulfur and hydrogen sulfide is removed from the poor solution.
  • the poor liquid treatment apparatus 100 that performs the poor liquid treatment method according to the present embodiment includes a vertical cylindrical reaction vessel 110, a stirring blade 120 provided in the reaction vessel 110, and the reaction vessel 110. And an aeration tank provided with an annular aeration pipe 130 having a large number of air outlets 131 provided at the bottom of the tank, while stirring the poor liquid containing hydrogen sulfide by the rotation of the stirring blade 120 in the aeration tank, Aeration gas is introduced into the reaction vessel 110 from the numerous outlets 131 of the aeration pipe 130 and aerated to remove hydrogen sulfide from the poor solution.
  • the poor liquid treatment apparatus 100 not only the poor liquid containing hydrogen sulfide is uniformly stirred by the rotation of the stirring blade 120 in the reaction vessel 110, that is, the aeration tank, but also the aeration gas is supplied to the reaction vessel 110. Infuse. As a result, residual hydrogen sulfide is expelled from the stirred poor liquid by aeration, and the residual concentration of hydrogen sulfide is reduced.
  • this poor liquid treatment apparatus 100 aeration is performed via an annular aeration tube 130 having a large number of air outlets 131 provided at the bottom of the reaction vessel 110, and bubbles flowing into the reaction vessel 110 are removed. The total area of the bubbles is increased by breaking them down. Thereby, many bubbles can be contacted with the poor liquid containing hydrogen sulfide uniformly stirred in the reaction vessel 110, and a high aeration effect can be obtained. That is, since the gas for aeration supplied into the reaction vessel 110 is dispersed on the bottom of the aeration tank immediately after being supplied, it can be efficiently aerated over the entire poor solution.
  • the reaction setting time in the stirring reaction apparatus is generally shorter than a sufficient aeration time by a general aeration apparatus.
  • the residence time in the reaction vessel 110 is assumed by providing the reaction vessel 110 with an aeration function, it is not always necessary to ensure a sufficient aeration time. As described above, aeration can be performed efficiently and hydrogen sulfide can be effectively reduced.
  • the poor liquid from which hydrogen sulfide has been removed by the poor liquid treatment apparatus 100 can be returned to the solid-liquid separation process and reused as cleaning water, as shown in the process diagram of FIG.
  • the hydrogen sulfide removing step is provided before the detoxification step, and in this hydrogen sulfide removing step, the residual hydrogen sulfide can be effectively reduced by aeration using the above-described poor liquid treatment apparatus 100. Therefore, generation of hydrogen sulfide gas in the process of reusing the solution after sulfidation or the wastewater treatment process can be suppressed.
  • the gas for aeration is not particularly limited as long as it is a gas that maintains bubbles in the liquid, that is, does not easily dissolve in the liquid, but it is preferable in terms of cost to use air.
  • the shape of the aeration tube is not particularly limited, but it is preferably formed in an annular shape having a size of 70 to 90% with respect to the diameter of the reaction solution 120.
  • the aeration tube 130 in the poor liquid treatment apparatus 100 is formed in an annular shape having a size of 70 to 90% with respect to the diameter of the reaction vessel 110. It can be seen that a high aeration effect can be obtained.
  • the air can be efficiently raised along the tank wall.
  • the air outlet 131 formed in the aeration pipe is not particularly limited, but is preferably formed in a circular shape having a diameter of 10 to 20 mm.
  • the air outlet 131 of the aeration pipe 130 in the poor liquid treatment apparatus 100 is formed in a circular shape having a diameter of 10 to 20 mm, so that a high aeration effect can be obtained. I understand that I can do it.
  • the number of the air outlets 131 is not particularly limited, and is preferably determined as appropriate depending on the circumferential length of the aeration pipe. For example, the number is preferably about 10, more preferably 20. More preferred.
  • Table 3 shows the results of observing the relationship between the number of air outlets 131 and the aeration effect when the number of air outlets 131 is changed.
  • increasing the number of the air outlets 131 weakens the upward flow of air and increases the residence time of the air in the aeration tank, so that the aeration efficiency increases. If the number of the air outlets 131 is less than 10, the aeration effect becomes insufficient. If the number is increased successively, the effect increases, but if the number is more than 20, the aeration effect is hardly improved further.
  • the air outlet 131 is not a simple hole but a short pipe (blower outlet) attached to the provided hole because the gas flow is rectified and the bubble size is stabilized.
  • the number of outlets is preferably about 10 to 20.
  • the aeration pipe 130 obtains an even higher aeration effect by performing aeration with about 10 to 20 short pipes 131A installed at equal intervals as the air outlet 131, for example, as shown in FIG. be able to.
  • the poor liquid treatment using the above-described poor liquid treatment apparatus 100 was performed.
  • Table 4 shows the results obtained by measuring the dissolved hydrogen sulfide concentration in the poor solution with and without aeration.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Hydrology & Water Resources (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Accessories For Mixers (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
PCT/JP2013/081471 2012-12-11 2013-11-22 硫化水素を含む貧液の処理方法及び処理装置 Ceased WO2014091903A1 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US14/651,396 US9731980B2 (en) 2012-12-11 2013-11-22 Processing device and processing method for hydrogen-sulphide-containing barren solution
EP13861760.0A EP2933235B1 (en) 2012-12-11 2013-11-22 Processing method for hydrogen-sulphide-containing barren solution
CA2894641A CA2894641C (en) 2012-12-11 2013-11-22 Processing device and processing method for hydrogen-sulphide-containing barren solution
AU2013358258A AU2013358258B2 (en) 2012-12-11 2013-11-22 Processing device and processing method for hydrogen-sulphide-containing barren solution
CN201380064950.4A CN104955774B (zh) 2012-12-11 2013-11-22 含有硫化氢的贫液的处理方法以及处理装置
PH12015501314A PH12015501314B1 (en) 2012-12-11 2015-06-09 Processing device and processing method for hydrogen - sulphide - containing barren solution

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012270721A JP5700029B2 (ja) 2012-12-11 2012-12-11 硫化水素を含む貧液の処理方法及び処理装置
JP2012-270721 2012-12-11

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US (1) US9731980B2 (https=)
EP (1) EP2933235B1 (https=)
JP (1) JP5700029B2 (https=)
CN (1) CN104955774B (https=)
AU (1) AU2013358258B2 (https=)
CA (1) CA2894641C (https=)
PH (1) PH12015501314B1 (https=)
WO (1) WO2014091903A1 (https=)

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JP5942830B2 (ja) * 2012-12-11 2016-06-29 住友金属鉱山株式会社 撹拌反応装置
CN104857744A (zh) * 2015-05-28 2015-08-26 沧州兴达化工有限责任公司 一种环保橡胶软化剂半成品脱气装置
JP6202083B2 (ja) * 2015-12-25 2017-09-27 住友金属鉱山株式会社 硫化剤の除去方法
JP6696189B2 (ja) * 2016-01-28 2020-05-20 住友金属鉱山株式会社 残存硫化水素の除去方法
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CN105944642A (zh) * 2016-05-30 2016-09-21 浙江凯色丽科技发展有限公司 云母包覆作业钛液雾化喷淋快速中和器
CN106000257A (zh) * 2016-05-30 2016-10-12 浙江凯色丽科技发展有限公司 云母包覆作业快速中和反应罐
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