WO2012019383A1 - 一种从废旧含铅玻璃中回收铅的方法 - Google Patents
一种从废旧含铅玻璃中回收铅的方法 Download PDFInfo
- Publication number
- WO2012019383A1 WO2012019383A1 PCT/CN2010/078160 CN2010078160W WO2012019383A1 WO 2012019383 A1 WO2012019383 A1 WO 2012019383A1 CN 2010078160 W CN2010078160 W CN 2010078160W WO 2012019383 A1 WO2012019383 A1 WO 2012019383A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lead
- leachate
- precipitate
- leaching
- solution
- Prior art date
Links
Classifications
-
- 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
- C22B13/00—Obtaining lead
- C22B13/04—Obtaining lead by wet processes
- C22B13/045—Recovery from waste materials
-
- 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
- C22B3/00—Extraction of metal compounds from ores or concentrates by wet processes
- C22B3/04—Extraction of metal compounds from ores or concentrates by wet processes by leaching
-
- 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
- C22B13/00—Obtaining lead
-
- 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
- C22B7/00—Working up raw materials other than ores, e.g. scrap, to produce non-ferrous metals and compounds thereof; Methods of a general interest or applied to the winning of more than two metals
-
- 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 method of treating industrial waste, and more particularly to a method of treating used leaded glass. Background technique
- Lead-containing glass refers to glass containing SiO 2 and other glass forming materials and high content of PbO. It is mostly used in the manufacture of optical glass, electric vacuum glass, low temperature sealing glass, radiation shielding glass, high refractive microbead glass and art glass. And other products.
- cathode ray tube As an important lead-containing glass product, cathode ray tube (CRT) is widely used in electronic appliances such as televisions, computer monitors and oscilloscopes.
- the glass of the CRT display contains a large amount of PbO and various harmful chemical components such as: 53.05% SiO 2 , 18.27% PbO, 3.47% A1 2 0 3 , 2.35% CaO, 1.9% BaO and 0.97% MgO (by mass fraction).
- the lead content is as high as 20% to 40%. If it is directly discarded, it will not only cause waste of lead resources, but also cause huge pollution to the surrounding environment, and even seriously endanger human health.
- the Chinese patent with the publication number CN 101613802A provides a process and ancillary equipment for recycling lead in lead-containing glass and producing environmentally-friendly building materials.
- the raw lead-free glass can be used as a raw material, and the lead is recovered by a vacuum carbothermal reduction process to prepare a foam. glass.
- the method needs to react at 1000 ° C for several hours, so the required equipment requirements are high, the energy consumption is large, and the pollution is large, so it is not conducive to Industrial production. Summary of the invention
- the present invention aims to provide a method for treating waste lead-containing glass, which can reduce or eliminate the adverse effects of lead on the environment, and can turn waste into treasure, and effectively utilize metal lead in waste lead-containing glass. Thereby obtaining greater economic benefits, and being reasonable and easy to operate, the pollution is small, and it can be industrialized.
- the present invention provides a method of treating used leaded glass, comprising the steps of:
- the composition formula of the lead-containing glass is: R m O n -PbO-Si0 2 (B 2 0 3 )o where Si0 2 (B 2 0 3 ), ie silicon dioxide (boron trioxide), is a network
- the formation is the basic unit that constitutes the structure of the glass network.
- R m O n a metal oxide representing an alkali, an alkaline earth, or a rare earth metal, is a network modification that changes the structure of the glass network and achieves adjustment characteristics.
- PbO, or lead oxide is a characteristic component that imparts basic properties to the glass.
- the density, refractive index, dispersion, dielectric constant, X-ray and ⁇ -ray absorption coefficient of glass increase the performance index; the hardness, high temperature viscosity, softening temperature, chemical stability and other indicators decrease; The glass molding material becomes long, the colorant is bright, the surface gloss is increased, and the knocking sound is crisp.
- the lead-containing glass is a glass of a CRT (Cathode Ray Tube) display
- the tube panel glass is mainly Si0 2 -BaO-SrO-Zr0 2 -R 2 0-RO-based glass
- the tube cone and the neck are mainly Si0 2 -Al 2 0 3 -PbO -R 2 0-RO-based glass.
- R 2 0 and RO are metal oxides, and R may be a metal element such as Mg, Ca or Na.
- the lead-containing glass is used as a raw material, and the lead-containing glass is firstly pulverized by mechanical treatment, and then the lead-containing glass is further pulverized by a ball mill, and the lead-containing glass powder is collected and sieved for use.
- the lead-containing glass is initially pulverized to a particle size of l to 5 cm, and further pulverized and passed through a 50-100 mesh sieve. More preferably, the lead-containing glass is initially pulverized to 1 to 3 cm, and further pulverized and passed through an 80-100 mesh sieve.
- the alkali calcination means that the lead-containing glass powder obtained in the step (1) is adjusted into a paste to obtain a paste; and the paste is baked to obtain a calcined material.
- the function of this step is to break the network structure of the glass and discard the PbO wrapped in the network structure.
- the alkali solution used in the alkaline calcination is a strong alkali solution. Sodium carbonate solution and sodium nitrate solution are also available, but the effect is not as good as the strong alkali solution. More preferably, the strong base is NaOH.
- the lead-containing glass powder and the alkali solution in the alkali calcination are mixed and mixed into a paste according to a mass ratio of the lead-containing glass powder to the solid NaOH.
- the calcination temperature is from 500 to 700 °C.
- the calcination time is from 30 min to 5 h. More preferably, the calcination temperature is 600 °C. More preferably, the calcination time is 3 h.
- step (2) further comprises grinding the calcined material through a 80 mesh screen.
- the leaching in step (3) is mainly a process of dissolving PbO encapsulated in a glass network structure into a suitable leaching agent, comprising: preparing a leaching agent by mixing a polycarboxylic acid complexing agent and nitric acid, and leaching step (2) The obtained calcined material obtained a leachate.
- the choice of leaching agent is selected based on the complexation of the polycarboxylic acid complexing agent and the strong acidity of the nitric acid.
- the equilibrium constant of the complexation reaction is represented by the complex stability constant (also known as the complex formation constant). The larger the constant value, the more stable the complex formed.
- the "polycarboxylic acid complexing agent" referred to in the present invention means a carboxylic acid having a certain complexing property, and generally has a certain complexing ability to Pb 2+ .
- acetic acid (acetic acid) and ethylenediaminetetraacetic acid (EDTA) having a large stability constant (for Pb 2+ ) are preferred.
- polycarboxylic acid complexing agents have strong complexing ability and can form stable complexes with metallic lead.
- the polycarboxylic acid complex may also be selected from glycine, as well as capric acid, glycolic acid, pyruvic acid, lactic acid, and malic acid, but the complexing effect is poor.
- the polycarboxylic acid complexing agent is acetic acid, and is mixed with nitric acid in a volume ratio of 3:1 to 9. More preferably, acetic acid and nitric acid are mixed in a volume ratio of 1:1.
- the concentration of acetic acid is 17 mol/L, and the concentration of nitric acid is 15 mol/L.
- the step of immersing the calcined material may be performed by adding water to the calcined material, immersing it in a leaching agent, or immersing the calcined material in a diluted leaching agent.
- the calcined material in the step (2) is placed in water at a solid-liquid ratio of 1:4 to 6, and the solid-liquid ratio of the calcined material to the nitric acid is 1:1-4 to be leached into the leaching agent.
- the calcined material in the step (2) is placed in water at a solid-liquid ratio of 1:5, and the solid-liquid ratio of the calcined material to the nitric acid is 1:3 to be leached into the leaching agent, wherein the leaching agent
- the volume ratio of acetic acid to nitric acid is 1:1.
- 1 part of the calcined material is taken, 5 parts of water and 3 parts of acetic acid and 3 parts of nitric acid are added, mixed, and leached.
- 3 parts of acetic acid and 3 parts of nitric acid and 5 parts of water are mixed to obtain a diluted leaching agent, and 1 part of the calcined material is placed in the leaching agent to be leached.
- the leaching action is to leach the lead into the leachate: Since the complexation of the acetate ion and the lead is strong, the lead which is not completely separated can be freely separated.
- the temperature of the leaching is 60 to 100 °C.
- the leaching time is from 1 to 5 hours. More preferably, the temperature of the leaching is 90 °C. More preferably, the leaching time is 4h.
- step (3) further comprises pumping and washing the leachate.
- the step (4) comprises: adjusting the pH value of the leachate; and precipitating the metal ions such as Pb and Ba in the leachate in one or more steps to form a precipitate; separating and removing impurities, washing, and drying to obtain a lead-containing chemical product.
- the step of precipitating the metal ions in the step (4) further comprises converting the precipitate, and then separating and removing the impurities.
- the step (4) is: an alkali solution to strengthen administered leachate leachate adjusted to pH 1-3; 3 ⁇ 4 ⁇ leachate to port S0 4 2 -, and the precipitated Pb 2+ Ba 2+, PbS0 4 to give And BaS0 4 precipitation; adding C0 3 2 , converting the precipitate PbS0 4 to PbC0 3 , adding HN0 3 solution, reacting to obtain Pb (N0 3 ) 2 ; suction filtration, solid (BaS0 4 ) solution (Pb (N0 3 ) 2 ) separating and removing impurities; taking the filtrate, adding S0 4 2 - precipitating Pb 2+ , PbS0 4 is obtained; finally, a strong alkali solution is added to adjust the pH to 8 ⁇ 10, and the product is washed and dried to obtain PbO ⁇ PbS0 4 ⁇ H 2 0 (tribasic lead sulfate).
- step (4) may be: adjusting the pH of the leachate to 11 ⁇ 12; precipitating Pb 2+ to obtain a precipitate of Pb(OH) 2 ; suction filtration, solid-liquid separation and impurity removal; taking solid residue, adding HN0 3
- the solution is adjusted to pH value of 0.5 ⁇ 1, and Pb(N0 3 ) 2 is obtained .
- S0 4 2 is added to precipitate Pb 2+ to obtain PbS0 4 .
- a strong alkali solution is added to adjust the pH to 8 ⁇ 10, washed and dried.
- Product PbO ⁇ PbS0 4 ⁇ H 2 0 tribasic lead sulfate).
- the leachate may also contain Al 3+ , Mg 2+ and Ca 2+ metal ions, and precipitate into Al ( OH ) 3 , Mg ( OH ) 2 and Ca ( OH ) 2 at a pH of 11-12. Precipitate.
- the purpose of separating the above precipitate from Ba 2+ is achieved.
- reaction equation is as follows: One-step precipitation: M n+ +nOH— ⁇ M(0H)n (M means: Pb, possibly also containing Al, Mg and Ca) Precipitation dissolution: M(OH)n +nHN0 3 ⁇ M(N0 3 ) n+nH 2 0
- adding NaOH to adjust the pH to 12 is preferred to first add The pH of the solid NaOH is adjusted to 6, and then the pH value is adjusted to 12 by adding 10 mol/L NaOH solution to avoid the situation that the pH of the leachate end point may be adjusted incorrectly by solid NaOH precipitation.
- the Pb containing the invention is prepared. Chemical products PbO ⁇ PbS0 4 ⁇ H 2 0 can be widely used It is widely used in the preparation of heat stabilizers, wires and cables, and has good process matching and high economical value.
- the method for extracting lead from waste lead-containing glass provided by the invention has the following beneficial effects:
- FIG. 1 is a schematic flow chart of the present invention
- Figure 2 is a flow chart A of an embodiment of the present invention
- FIG. 3 is a flow chart B of an embodiment of the present invention. detailed description
- Figure 1 is a schematic flow chart of the present invention.
- a method for treating used lead-containing glass includes the following steps:
- the CRT tube cone glass was initially pulverized to a particle size of lcm by mechanical treatment, and then the CRT tube cone glass was further pulverized by a ball mill, and the CRT tube cone glass powder was collected through an 80 mesh sieve and used.
- the NaOH solid was mixed with CRT tube cone glass powder at a mass ratio of 1:1, and water was added to make a paste to obtain a paste; it was baked at 500 ° C for 3 hours to obtain a calcined material.
- the function of this step is to break the network structure of the glass and discard the PbO wrapped in the mesh structure.
- leaching Agent Take 75mL of acetic acid (17 mol/L) and 150mL of nitric acid (15 mol/L) to mix evenly to obtain leaching Agent. Take 50g of CRT tube cone glass material, add 250mL of water, then place it in the leaching agent and dip it for 4h at 60°C to obtain the leachate. The leaching action is to dissolve the PbO into the leachate.
- a method for treating used lead-containing glass includes the following steps:
- the CRT neck glass is initially pulverized to a particle size of 3 cm by mechanical treatment, and then the CRT neck glass is further pulverized by a ball mill, and the CRT neck glass powder is collected through a 100 mesh sieve for use. .
- the NaOH solid was mixed with CRT neck glass powder according to a mass ratio of 1:1, and added with water to make a paste to obtain a paste; it was baked at 600 ° C for 1 hour to obtain a fired material.
- the calcined material was ground and passed through an 80 mesh sieve.
- the function of this step is to break the mesh structure of the glass and discard the PbO wrapped in the mesh structure.
- a leaching agent was prepared by uniformly mixing 60 mL of acetic acid (17 mol/L) and 60 mL of nitric acid (15 mol/L). Take 20g of CRT tube cone glass calcined material, add lOOmL of water, then place it in the leaching agent and dip it at 80 °C for 3h to obtain the leachate. The leachate was suction filtered and washed. The leaching action is to dissolve the PbO into the leachate.
- Leaching is mainly the process of dissolving PbO wrapped in a glass mesh structure into a suitable leaching agent.
- the glass is alkali-calcined in advance, and then nitric acid-acetic acid is used as a leaching agent to leaching at a certain temperature. See the orthogonal test chart 2 below, the leaching rate can reach more than 95%, after treatment in the glass Table 2, leaching orthogonal table
- the optimum combination is shown in Table 3.
- the reaction temperature is 3 (100 ° C)
- the calcination temperature is 3 (700 ° C)
- the HAc dosage is 3 (150 mL)
- the HN0 3 dosage is 3 (150 mL).
- reaction temperature 2 80 ° C
- Calcination temperature 2 600 °C
- HAc dosage 2 100 mL
- HN0 3 dosage 2 100 mL
- leaching rate is also 4 ⁇ high (97.5%)
- Precipitated solution (theoretical Pb: 68.33%) M precipitate / M (filtrate + feed solution w to ⁇
- the HAc-HN0 3 solution containing two metal ions was prepared by expanding the original leaching filtrate by 4 times.
- the concentrations of the two original leaching metals were Pb: 30 g/L and Ca: 3 g/L, respectively, and then the pH value of the solution was adjusted to 1, Precipitate with an excess of 1.5 times Na 2 SO 4 , wash with suction, then PbS0 4 was precipitated and transformed with 140 g/L Na 2 CO 3 solution, washed and suction filtered, and finally the precipitate was dissolved with HNO 3 , and the pH of the fixed solution was “1. Reaction lh, the results are shown in Table 5:
- the first method in the step of "precipitating metal ions to precipitate, separating and removing impurities", less acid and alkali liquid are consumed, so that the cost is more controllable;
- the precipitation conversion step is more convenient.
- the Pb-containing chemical product PbO ⁇ PbS0 4 ⁇ H 2 0 prepared by the invention can be widely used for preparing heat stabilizers, wires and cables, and has good process matching and high economic utilization value.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Removal Of Specific Substances (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10855804.0A EP2604711B1 (en) | 2010-08-09 | 2010-10-27 | Method for recycling lead from waste glass containing lead |
JP2013523461A JP5596232B2 (ja) | 2010-08-09 | 2010-10-27 | 鉛含有廃棄ガラスを処理する方法 |
KR1020137004473A KR101552641B1 (ko) | 2010-08-09 | 2010-10-27 | 납 함유 폐유리로부터 납을 재생하는 방법 |
US13/814,477 US8771620B2 (en) | 2010-08-09 | 2010-10-27 | Method for recycling lead from waste glass containing lead |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010102491527A CN102372431B (zh) | 2010-08-09 | 2010-08-09 | 一种处理废旧含铅玻璃的方法 |
CN201010249152.7 | 2010-08-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012019383A1 true WO2012019383A1 (zh) | 2012-02-16 |
Family
ID=45567303
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2010/078160 WO2012019383A1 (zh) | 2010-08-09 | 2010-10-27 | 一种从废旧含铅玻璃中回收铅的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8771620B2 (zh) |
EP (1) | EP2604711B1 (zh) |
JP (1) | JP5596232B2 (zh) |
KR (1) | KR101552641B1 (zh) |
CN (1) | CN102372431B (zh) |
WO (1) | WO2012019383A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013152260A1 (en) * | 2012-04-06 | 2013-10-10 | Advanced Technology Materials, Inc. | Removal of lead from solid materials |
US20140345326A9 (en) * | 2011-03-29 | 2014-11-27 | Greene Lyon Group, Inc. | Systems and methods for processing lead-containing glass |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102730746A (zh) * | 2012-07-09 | 2012-10-17 | 昆山市千灯三废净化有限公司 | 高纯电镀级硫酸铜除铅工艺 |
CN108018423A (zh) * | 2014-01-16 | 2018-05-11 | 北京化工大学 | 一种从含氧化铅废料中回收氧化铅的方法 |
US9757702B2 (en) | 2014-06-20 | 2017-09-12 | Johnson Controls Technology Company | Systems and methods for purifying and recycling lead from spent lead-acid batteries |
US9670565B2 (en) | 2014-06-20 | 2017-06-06 | Johnson Controls Technology Company | Systems and methods for the hydrometallurgical recovery of lead from spent lead-acid batteries and the preparation of lead oxide for use in new lead-acid batteries |
JP6150182B2 (ja) * | 2015-01-13 | 2017-06-21 | パナソニックIpマネジメント株式会社 | 鉛ガラスからの鉛の分別方法及び装置 |
US10062933B2 (en) | 2015-12-14 | 2018-08-28 | Johnson Controls Technology Company | Hydrometallurgical electrowinning of lead from spent lead-acid batteries |
ITUA20161987A1 (it) * | 2016-03-24 | 2017-09-24 | E V H S R L | Processo per il trattamento dei tubi catodici a fine vita |
KR101706714B1 (ko) * | 2016-06-22 | 2017-02-15 | 유의훈 | Pb계 유리분말 함유 전자파 차폐재 및 그의 제조방법 |
CN108728663A (zh) * | 2017-04-17 | 2018-11-02 | 西部矿业股份有限公司 | 一种火法处理crt含铅玻璃回收铅的方法 |
CN107385227A (zh) * | 2017-07-25 | 2017-11-24 | 上海第二工业大学 | 一种含铅玻璃中铅的机械化学回收方法 |
CN109336379B (zh) * | 2018-11-30 | 2021-10-01 | 湖北新华光信息材料有限公司 | 一种硫系玻璃废渣再利用方法及所得玻璃 |
CN110484263B (zh) * | 2019-07-02 | 2021-11-23 | 广东省生态环境技术研究所 | 一种复合淋滤剂及其应用 |
CN110438343A (zh) * | 2019-09-05 | 2019-11-12 | 扬州大学 | 一种废阴极射线管锥玻璃湿球磨分离铅的方法 |
CN113880133B (zh) * | 2021-09-23 | 2023-06-23 | 烟台金潮宇科蓄电池有限公司 | 铅酸蓄电池用四碱式硫酸铅的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898092A (en) * | 1971-10-29 | 1975-08-05 | Robert F Rea | Method for reducing acid lead solubility of a lead-containing glaze or frit |
US6666904B1 (en) * | 2002-12-05 | 2003-12-23 | Tri E Holding, Llc | Method and system for extracting metal from glass waste |
JP2004231490A (ja) * | 2003-01-31 | 2004-08-19 | Nippon Kensetsu Gijutsu Kk | ガラス製造法およびガラス |
CN101613802A (zh) | 2009-07-13 | 2009-12-30 | 中国科学院生态环境研究中心 | 废旧含铅玻璃回收铅同时生产环保建材的工艺与配套设备 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5913629A (ja) * | 1982-07-09 | 1984-01-24 | Sakai Chem Ind Co Ltd | 塩基性硫酸鉛の製造方法 |
US5350121A (en) * | 1991-12-09 | 1994-09-27 | Falcon United Ltd. | Method for recycling glass |
JPH1150168A (ja) * | 1997-07-31 | 1999-02-23 | Canon Inc | 光学ガラス汚泥からレアアースメタル成分を回収する方法 |
JP3792056B2 (ja) * | 1998-10-05 | 2006-06-28 | 日鉱金属株式会社 | 鉛滓からの鉛、錫、ビスマスの分離方法 |
JP3663434B2 (ja) * | 2001-05-24 | 2005-06-22 | 独立行政法人産業技術総合研究所 | 鉛を含むガラス廃棄物からの鉛の分離方法 |
WO2003024879A1 (fr) * | 2001-09-12 | 2003-03-27 | Japan Science And Technology Agency | Procede de recyclage du verre de recuperation et verre recycle |
JP2006511718A (ja) * | 2002-12-05 | 2006-04-06 | トリ・イー・ホールディング・エルエルシイ | ガラス屑から金属を抽出するための方法およびシステム |
JP2005313033A (ja) * | 2004-04-27 | 2005-11-10 | Potters-Ballotini Co Ltd | ガラス材料のリサイクル方法 |
JP2006161080A (ja) * | 2004-12-03 | 2006-06-22 | Univ Nihon | 鉛含有ガラスから鉛を抽出する方法 |
JP5145956B2 (ja) * | 2008-01-15 | 2013-02-20 | 住友金属鉱山株式会社 | ルテニウムの分離回収方法 |
-
2010
- 2010-08-09 CN CN2010102491527A patent/CN102372431B/zh active Active
- 2010-10-27 JP JP2013523461A patent/JP5596232B2/ja active Active
- 2010-10-27 US US13/814,477 patent/US8771620B2/en active Active
- 2010-10-27 KR KR1020137004473A patent/KR101552641B1/ko active IP Right Grant
- 2010-10-27 WO PCT/CN2010/078160 patent/WO2012019383A1/zh active Application Filing
- 2010-10-27 EP EP10855804.0A patent/EP2604711B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3898092A (en) * | 1971-10-29 | 1975-08-05 | Robert F Rea | Method for reducing acid lead solubility of a lead-containing glaze or frit |
US6666904B1 (en) * | 2002-12-05 | 2003-12-23 | Tri E Holding, Llc | Method and system for extracting metal from glass waste |
JP2004231490A (ja) * | 2003-01-31 | 2004-08-19 | Nippon Kensetsu Gijutsu Kk | ガラス製造法およびガラス |
CN101613802A (zh) | 2009-07-13 | 2009-12-30 | 中国科学院生态环境研究中心 | 废旧含铅玻璃回收铅同时生产环保建材的工艺与配套设备 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20140345326A9 (en) * | 2011-03-29 | 2014-11-27 | Greene Lyon Group, Inc. | Systems and methods for processing lead-containing glass |
WO2013152260A1 (en) * | 2012-04-06 | 2013-10-10 | Advanced Technology Materials, Inc. | Removal of lead from solid materials |
Also Published As
Publication number | Publication date |
---|---|
US8771620B2 (en) | 2014-07-08 |
US20130129585A1 (en) | 2013-05-23 |
CN102372431A (zh) | 2012-03-14 |
KR20130058038A (ko) | 2013-06-03 |
JP5596232B2 (ja) | 2014-09-24 |
EP2604711A1 (en) | 2013-06-19 |
JP2013539408A (ja) | 2013-10-24 |
EP2604711B1 (en) | 2019-05-29 |
EP2604711A4 (en) | 2017-08-02 |
CN102372431B (zh) | 2013-06-26 |
KR101552641B1 (ko) | 2015-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012019383A1 (zh) | 一种从废旧含铅玻璃中回收铅的方法 | |
Huang et al. | A perspective of stepwise utilization of hazardous zinc plant purification residue based on selective alkaline leaching of zinc | |
CN102732735B (zh) | 从铜阳极泥卡尔多炉熔炼渣中回收有价金属的方法 | |
WO2017080245A1 (zh) | 一种利用锶渣制备高纯氢氧化锶的方法 | |
CN110438338B (zh) | 从镍钴镁废液中回收镍、钴并联产氧化镁的装置及方法 | |
CN114107668B (zh) | 一种机械活化强化浸出废弃抛光液中稀土的方法 | |
Tian et al. | Recovery of rare earths, lithium and fluorine from rare earth molten salt electrolytic slag via fluoride sulfate conversion and mineral phase reconstruction | |
CN115709998B (zh) | 一种焙烧废弃风电叶片制备白炭黑的方法 | |
CN113998680A (zh) | 一种以高铁拜耳法赤泥为铁源制备磷酸铁锂正极材料的方法 | |
CN115092947B (zh) | 高纯氢氧化铝/氧化铝的脱钠方法 | |
CN105349792B (zh) | 一种黄铜炉渣回收再利用工艺 | |
CN112624161A (zh) | 一种机械活化锂云母提锂制备碳酸锂的方法 | |
CN110350162B (zh) | 一种倍率型镍钴铝正极材料及其制备方法和应用 | |
CN100554204C (zh) | 纳米级氧化铟锡复合粉体的制备方法 | |
CN1683569A (zh) | 盐酸法分解氟碳铈矿的工艺方法 | |
CN111392756A (zh) | 一种用于从荧光粉废料中提取高纯稀土氧化物的工艺 | |
KR101054840B1 (ko) | 인듐-주석 산화물 폐스크랩을 재활용한 주석산화물 분말의 제조방법 | |
CN101973565A (zh) | 一种低温碱性熔炼法回收铝灰中铝的方法 | |
CN106542561B (zh) | 一种用废弃线路板铜浸取液制备纳米氧化铜的方法 | |
CN111304469B (zh) | 一种高分散性超细氧化钕的制备方法 | |
CN112111647B (zh) | 一种金矿焙砂或焙烧氰化尾渣预处理浸金的方法 | |
CN115232983B (zh) | 一种回收电弧炉除尘灰锌资源的方法 | |
CN114149009B (zh) | 一种利用水淬镍渣制备纳米硅溶胶的方法 | |
CN116143114B (zh) | 铝电解废阴极炭块中石墨回收及用其制备预焙阳极的方法 | |
WO2024174334A1 (zh) | 一种从锂黏土中回收锂的方法 |
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: 10855804 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13814477 Country of ref document: US Ref document number: 2010855804 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2013523461 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20137004473 Country of ref document: KR Kind code of ref document: A |