公开(公告)号：EP3009407B1

公开(公告)日：2018-12-12

申请号：EP14810962.2

申请日：2014-05-15

申请人： Sumitomo Metal Mining Co., Ltd.

发明人： OHARA, Hideki ,  OZAKI, Yoshitomo

IPC分类号： C02F1/58 ,  C01F5/02 ,  C02F1/04 ,  C02F1/64 ,  C02F1/72 ,  C22B3/04 ,  C22B3/44 ,  C22B23/00 ,  C22B21/00 ,  C22B26/20 ,  C22B26/22 ,  C22B47/00 ,  C01G45/02 ,  C01G53/00 ,  C02F1/52 ,  C01F5/12 ,  C02F1/66 ,  C01B17/48 ,  C01F11/46 ,  C01F5/40

CPC分类号： C02F1/5236 ,  C01B17/48 ,  C01F5/12 ,  C01F5/40 ,  C01F11/46 ,  C01G45/02 ,  C01G53/006 ,  C01P2002/72 ,  C01P2004/01 ,  C01P2006/80 ,  C01P2006/90 ,  C02F1/04 ,  C02F1/66 ,  C02F1/72 ,  C02F9/00 ,  C02F2101/10 ,  C02F2101/20 ,  C02F2101/206 ,  C02F2103/10 ,  Y02W10/37

摘要： Provided is a wastewater treatment process capable of selectively and efficiently separating and removing a manganese precipitate with high purity from sulfuric acid-acidic wastewater containing aluminum, magnesium, and manganese. In the wastewater treatment for a sulfuric acid-acidic wastewater containing aluminum, magnesium, and manganese, a magnesium oxide is used for part or all of the neutralizing agent to be added, the magnesium oxide is produced through the following steps (1) to (4): (1) effluent wastewater obtained by separating aluminum and manganese from sulfuric acid-acidic wastewater is concentrated, and calcium contained in the effluent wastewater is precipitated as a calcium sulfate; (2) the solution obtained in (1) is further concentrated, and magnesium is precipitated and separated as a magnesium sulfate; (3) the magnesium sulfate separated in (2) is roasted together with a reducing agent to obtain a magnesium oxide and sulfurous acid gas; and (4) the magnesium oxide obtained in (3) is washed.

公开(公告)号：EP3284789A1

公开(公告)日：2018-02-21

申请号：EP17183184.5

申请日：2011-10-19

申请人： Omya International AG

发明人： GANE, Patrick A.C. ,  BURI, Matthias ,  BLUM, René Vinzenz ,  RENTSCH, Samuel

IPC分类号： C09C1/02 ,  C01F11/08 ,  C22B26/20 ,  C08L33/08 ,  C08L53/02 ,  C08K3/26 ,  C01F11/18

CPC分类号： C08K3/26 ,  C01F11/18 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/10 ,  C01P2006/22 ,  C01P2006/82 ,  C08K2003/265 ,  C08L33/08 ,  C08L53/02 ,  C09C1/021 ,  C09C1/024 ,  C22B26/20

摘要： The present invention concerns a calcium carbonate containing material having increased bulk density at equal or improved flowability, and a method of producing such a material. The inventive process comprises the step of contacting a calcium carbonate containing mineral powder with a solution or emulsion or dispersion of a binder.

公开(公告)号：EP2882879A2

公开(公告)日：2015-06-17

申请号：EP13828330.4

申请日：2013-08-09

申请人： Sparstane Technologies LLC

发明人： HASINOFF, Murray, P. ,  PURSELL, Taylor ,  SAIIA, Joseph, A. ,  SHIRLEY, Arthur, R. ,  COCHRAN, Keith, D. ,  HOLT, Timothy, G.

IPC分类号： C22B26/20

CPC分类号： C22B26/20 ,  C01C1/24 ,  C01C1/244 ,  C01F11/18 ,  C01F11/468 ,  C01P2004/03 ,  C01P2004/38 ,  C01P2004/50 ,  C01P2004/61 ,  C01P2004/62

摘要： A continuous countercurrent flow process for converting FGD gypsum to ammonium sulfate and calcium carbonate including countercurrent flows with internal recycle of liquids to maximize the purity of reaction products while minimizing reaction times, and further include embodiments of the process that provide a yield of both ammonium sulfate and calcium carbonate to be 97 to 100%, and embodiments that provide for processes having a total time of reaction being 8 to 12 minutes, the invention further including processes for removing contaminants from the FGD gypsum employing an acid rinse process and/or a slurry tank reactor process.

公开(公告)号：EP0772696A4

公开(公告)日：1997-12-29

申请号：EP95928103

申请日：1995-07-21

申请人： MOBIL OIL CORP

发明人： MORRIS RICHARD LEO ,  PAUL JAMES MARK

IPC分类号： B01F1/00 ,  B01F11/02 ,  B08B3/12 ,  B08B9/02 ,  C09K8/528 ,  C22B26/20 ,  C23G1/19 ,  E21B37/00 ,  E21B43/00 ,  F28G7/00 ,  F28G9/00 ,  B08B7/00

CPC分类号： B08B9/032 ,  B01F1/00 ,  B01F1/0005 ,  B01F11/02 ,  B08B3/12 ,  C09K8/528 ,  C22B26/20 ,  C23G1/19 ,  E21B37/00 ,  E21B43/003 ,  F28G7/00 ,  F28G9/00

摘要： The present invention relates to the use of solvents and low frequency sonic energy within the range of 1.5 to 6.5 KHz, preferably less than 2.0 KHz and most preferably 1.25 KHz, for enhancing the dissolution of alkaline earth metal scales from well bores using a scale-removing solvent comprising an aqueous alkaline solution having a pH of 8 to 14 and containing EDTA or DTPA and a catalyst or synergist, preferably an oxalate anion. When the scale deposit is contacted with the scale removing solvent while simultaneously transmitting low frequency sonic energy through the solvent, substantially more scale is dissolved at a faster rate than previously possible.

公开(公告)号：EP0701630A4

公开(公告)日：1997-03-19

申请号：EP94916047

申请日：1994-05-06

申请人： IBC ADVANCED TECH INC

发明人： KRAKOWIAK KRZYSZTOF E ,  TARBET BRYON J ,  JOHNSON DEBORAH E ,  BRUENING RONALD L

IPC分类号： B01D15/00 ,  B01J20/26 ,  C01G55/00 ,  C07D327/00 ,  C07F7/08 ,  C09K3/00 ,  C22B3/26 ,  C22B13/00 ,  C22B26/00 ,  C22B26/10 ,  C22B26/20 ,  C22B61/00 ,  C07D321/00 ,  C07D323/00 ,  C07D325/00 ,  C07D407/04

CPC分类号： C22B13/04 ,  C22B3/42 ,  C22B26/00 ,  C22B61/00 ,  Y02P10/234

摘要： A method for the removal, separation, and concentration of alkali metal, alkaline earth metal, Pb and/or Tl cations from a source solution which may contain larger concentrations of other ions which comprises bringing the source solution into contact with a compound comprising an oxygen donor macrocycle-containing ligand covalently bonded through an organic spacer silicon grouping to a solid inorganic support.

公开(公告)号：EP3868905B1

公开(公告)日：2023-10-18

申请号：EP21157499.1

申请日：2021-02-16

发明人： SCHULTZ, Daniel

IPC分类号： C22B1/00 ,  C01F11/18 ,  C22B7/04 ,  C22B26/20 ,  C21B3/04

公开(公告)号：EP4192992A1

公开(公告)日：2023-06-14

申请号：EP21852620.0

申请日：2021-08-03

申请人： Pyrotek, Inc.

发明人： MASTOR, Michael ,  SLAVICEK, Viktor ,  ZUO, Xin ,  HARGUDE, Vijay

IPC分类号： C22B21/06 ,  C22B26/10 ,  C22B26/20

公开(公告)号：EP3853177A1

公开(公告)日：2021-07-28

申请号：EP18936618.0

申请日：2018-10-10

申请人： Lixivia, Inc.

发明人： WYRSTA, Michael D

IPC分类号： C01F11/24 ,  C22B7/04 ,  C22B7/00 ,  C22B26/20

公开(公告)号：EP2796575B1

公开(公告)日：2020-01-15

申请号：EP14173527.4

申请日：2007-09-06

申请人： Actinium Pharmaceueuticals Inc.

发明人： Kabai, Eva ,  Moreno Bermudez, Josue Manuel ,  Henkelmann, Richard ,  Türler, Andreas

IPC分类号： G21G1/00 ,  C22B3/00 ,  C22B60/00 ,  C22B26/20

公开(公告)号：EP3394301A1

公开(公告)日：2018-10-31

申请号：EP16822489.7

申请日：2016-12-16

申请人： Outotec (Finland) Oy

发明人： LAITALA, Hannu

IPC分类号： C22B3/20 ,  C22B3/44 ,  C22B26/20

CPC分类号： C22B26/20 ,  C22B3/20 ,  C22B3/44 ,  Y02P10/234

摘要： A method is disclosed for removing gypsum from calcium-containing material, wherein the method comprises cooling a calcium-containing pregnant leach solution (10) by indirectly contacting the calcium-containing pregnant leach solution (10) with a gypsum-depleted pregnant leach solution (11) to obtain a cooled pregnant leach solution (19). The cooled pregnant leach solution (19) is cooled in a cooling device (13) to obtain a further cooled pregnant leach solution (12). Gypsum is precipitated from the further cooled pregnant leach solution (12) to obtain the gypsum-depleted pregnant leach solution (11).