HRP20192042T1 - Pripravak sorbenta i postupak za kontrolu emisije onečišćujućih tvari u plinovitom efluentu proizvedenom postupkom izgaranja - Google Patents

Pripravak sorbenta i postupak za kontrolu emisije onečišćujućih tvari u plinovitom efluentu proizvedenom postupkom izgaranja Download PDF

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HRP20192042T1
HRP20192042T1 HRP20192042TT HRP20192042T HRP20192042T1 HR P20192042 T1 HRP20192042 T1 HR P20192042T1 HR P20192042T T HRP20192042T T HR P20192042TT HR P20192042 T HRP20192042 T HR P20192042T HR P20192042 T1 HRP20192042 T1 HR P20192042T1
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range
preparation
gaseous effluent
sorbent
mgo
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HRP20192042TT
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Roberto MORESCHI
Roberto MARRAS
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Unicalce S.P.A.
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    • 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
    • B01D53/508—Sulfur oxides by treating the gases with solids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
    • B01J20/041—Oxides or hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28057—Surface area, e.g. B.E.T specific surface area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
    • B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
    • B01J20/28069—Pore volume, e.g. total pore volume, mesopore volume, micropore volume
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3021—Milling, crushing or grinding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3078—Thermal treatment, e.g. calcining or pyrolizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F11/00—Compounds of calcium, strontium, or barium
    • C01F11/02—Oxides or hydroxides
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00—Compounds of magnesium
    • C01F5/02—Magnesia
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F5/00—Compounds of magnesium
    • C01F5/14—Magnesium hydroxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/02—Lime
    • C04B2/04—Slaking
    • C04B2/06—Slaking with addition of substances, e.g. hydrophobic agents ; Slaking in the presence of other compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2/00—Lime, magnesia or dolomite
    • C04B2/10—Preheating, burning calcining or cooling
    • C04B2/102—Preheating, burning calcining or cooling of magnesia, e.g. dead burning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/402—Alkaline earth metal or magnesium compounds of magnesium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/602—Oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/60—Inorganic bases or salts
    • B01D2251/604—Hydroxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/10—Inorganic adsorbents
    • B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
    • B01D2253/1124—Metal oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/306—Surface area, e.g. BET-specific surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
    • B01D2253/30—Physical properties of adsorbents
    • B01D2253/302—Dimensions
    • B01D2253/311—Porosity, e.g. pore volume
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2042—Hydrobromic acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2045—Hydrochloric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2047—Hydrofluoric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/30—Sulfur compounds
    • B01D2257/302—Sulfur oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/02—Other waste gases
    • B01D2258/0283—Flue gases
    • B01D2258/0291—Flue gases from waste incineration plants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • C01P2006/17—Pore diameter distribution
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Claims (10)

1. Pripravak sorbenta u praškastom obliku, koji sadrži kalcijev hidroksid (Ca(OH)2), magnezijev hidroksid (Mg(OH)2) i magnezijev oksid (MgO), te navedeni pripravak ima specifičnu površinu prema BET-u veću od 20 m2/g, poželjno veću od 25 m2/g, još poželjnije veću od 35 m2/g, pri čemu je navedeni magnezijev oksid (MgO) prisutan u takvoj količini da je omjer mase magnezijevog oksida (MgO) ukupne mase kalcijevog i magnezijevog hidroksida (MgO/ (Ca(OH)2 + Mg (OH)2)) u rasponu od 0,15-0,40, čak još poželjnije u rasponu od 0,22-0,38.
2. Pripravak sorbenta prema patentnom zahtjevu 1, naznačen time što ima ukupni volumen pora (BJH) veći od 0,07 cm3/g, poželjno u rasponu od 0,07 do 0,15 cm3/g, poželjnije od 0,07 do 0,10 cm3/g.
3. Pripravak sorbenta prema patentnom zahtjevu 1 ili 2, naznačen time što ima djelomični volumen pora za pore koje imaju dimenzije u rasponu od 100 A° do 1000 A° (BJH100-1000 Å) veći od 0,04 cm3/g, poželjno u rasponu od 0,04-0,08 cm3/g.
4. Pripravak sorbenta u praškastom obliku prema bilo kojem od prethodnih zahtjeva 1 do 3, naznačen time što je maseni omjer Mg/Ca u rasponu od 0,53-0,65, čak još poželjnije u rasponu od 0,58- 0,63.
5. Postupak za pripremu pripravka sorbenta u praškastom obliku prema jednom ili više patentnih zahtjeva 1 do 4 naznačen time što sadrži najmanje sljedeće korake: (a) kalciniranje dolomitske stijene koja sadrži CaCO3 i MgCO3 pri temperaturi u rasponu od 900 °C do 1100 °C, čime se dobiva miješani kalcijev-magnezijev oksid; (b) odabir navedenog miješanog oksida tako da se dobije frakcija praha uglavnom bez čestica koje imaju dimenzije manje od 2 mm i čestica koje imaju dimenzije veće od 25 mm; (c) hidrataciju navedenog miješanog oksida dovođenjem u kontakt s vodenom otopinom najmanje jednog odgovarajućeg sredstva za modificiranje površine; (d) mljevenje navedenog hidriranog miješanog oksida.
6. Postupak za kontrolu emisije onečišćujućih tvari u plinovitom efluentu proizvedenom postupkom izgaranja naznačen time što sadrži najmanje korake: (a) osiguravanje pripravka sorbenta u praškastom obliku u skladu s patentnim zahtjevima 1 do 4; (b) dovođenje u kontakt navedenog pripravka sorbenta s plinovitim efluentom pri temperaturi u rasponu od 800°C do 1400 °C.
7. Postupak prema patentnom zahtjevu 6, naznačen time što se navedena temperatura kreće u rasponu od 850 do 1200°C, poželjno od 900 do 1000°C.
8. Postupak prema patentnom zahtjevu 6 ili 7, naznačen time što se navedeni pripravak sorbenta uvodi u blizini zone izgaranja.
9. Postupak prema bilo kojem od prethodnih patentnih zahtjeva 6 do 8, naznačen time što također obuhvaća korak obnavljanja topline iz navedenog plinovitog efluenta pomoću najmanje jednog izmjenjivača topline.
10. Postupak prema bilo kojem od prethodnih patentnih zahtjeva 6 do 9, naznačen time što također sadrži korak pročišćavanja navedenog plinovitog efluenta na temperaturi nižoj od 600 °C, poželjno nižoj od 350°C, poželjnije u rasponu od 150°C do 350°C.
HRP20192042TT 2012-11-26 2019-11-12 Pripravak sorbenta i postupak za kontrolu emisije onečišćujućih tvari u plinovitom efluentu proizvedenom postupkom izgaranja HRP20192042T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT002007A ITMI20122007A1 (it) 2012-11-26 2012-11-26 Metodo per controllare l'emissione di sostanze inquinanti in un effluente gassoso prodotto da un processo di combustione
PCT/IB2013/060379 WO2014080373A2 (en) 2012-11-26 2013-11-25 Method for controlling the emission of polluting substances in a gaseous effluent produced by a combustion process
EP13828813.9A EP2922614B1 (en) 2012-11-26 2013-11-25 Sorbent composition and method for controlling the emission of polluting substances in a gaseous effluent produced by a combustion process

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HRP20192042T1 true HRP20192042T1 (hr) 2020-02-07

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EP (1) EP2922614B1 (hr)
ES (1) ES2755784T3 (hr)
HR (1) HRP20192042T1 (hr)
HU (1) HUE047184T2 (hr)
IT (1) ITMI20122007A1 (hr)
PL (1) PL2922614T3 (hr)
WO (1) WO2014080373A2 (hr)

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Publication number Priority date Publication date Assignee Title
BE1021193B1 (fr) 2012-07-12 2015-07-14 Lhoist Recherche Et Developpement Charges minerales ignifuges et compositions polymeres ignifugees
CN108911534A (zh) * 2018-07-09 2018-11-30 武汉科技大学 一种活性白云石砂的制备方法
US11511877B2 (en) 2019-07-29 2022-11-29 Hamilton Sundstrand Corporation Inert gas system and method
CN113731136A (zh) * 2020-05-28 2021-12-03 兰州大学 一种避免二噁英生成的炉内控制方法
US20240042413A1 (en) 2021-01-11 2024-02-08 Omya International Ag A particulate magnesium ion-comprising material for nox uptake

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Publication number Priority date Publication date Assignee Title
US4616574A (en) * 1984-05-25 1986-10-14 Empire State Electric Energy Research Corp. (Eseerco) Process for treating combustion systems with pressure-hydrated dolomitic lime
DE3433228C1 (de) 1984-09-11 1986-04-10 Rheinische Kalksteinwerke GmbH, 5603 Wülfrath Verfahren zur Herstellung von Kalziumhydroxid
DE3620024A1 (de) 1986-06-13 1987-12-17 Fels Werke Peine Salzgitter Verfahren zur herstellung von feinkoernigem calciumhydroxid
US4882309A (en) * 1986-11-12 1989-11-21 United States Of America Environmental Protection Agency Lignosulfonate-modified calcium hydroxide for SO2 control during furnace injection
AT393359B (de) * 1990-04-03 1991-10-10 Steirische Magnesit Ind Ag Verfahren zur verhinderung der bildung von pcdd und/oder pcde in verbrennungs- bzw. vergasungsanlagen
ATE139981T1 (de) 1990-11-21 1996-07-15 Lhoist Rech & Dev Sa Kalzium- und/oder magnesiumhydroxid, verfahren zu dessen herstellung und dessen anwendung
JPH11197445A (ja) * 1998-01-06 1999-07-27 Yoshizawa Lime Industry Co Ltd 排ガス処理剤およびその製造方法
RO119145B1 (ro) * 2002-09-04 2004-04-30 Cente Srl Procedeu de obţinere a varului magnezian
EP1867620A1 (en) * 2005-03-30 2007-12-19 Ube Material Industries, Ltd. Granular material comprising porous particles containing calcium and/or magnesium

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ES2755784T3 (es) 2020-04-23
WO2014080373A3 (en) 2014-10-23
HUE047184T2 (hu) 2020-04-28
ITMI20122007A1 (it) 2014-05-27
EP2922614A2 (en) 2015-09-30
EP2922614B1 (en) 2019-11-06
WO2014080373A2 (en) 2014-05-30

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