A Process for the Simultaneous Removal of SO2 and NOx Using Ce(IV) Redox Catalysis
Identifieur interne : 001662 ( Istex/Curation ); précédent : 001661; suivant : 001663A Process for the Simultaneous Removal of SO2 and NOx Using Ce(IV) Redox Catalysis
Auteurs : P. Hoffmann [France] ; C. Roizard [France] ; F. Lapicque [France] ; S. Vnot [France] ; A. Maire [France]Source :
- Process Safety and Environmental Protection [ 0957-5820 ] ; 1997.
English descriptors
- KwdEn :
Abstract
The paper presents a process for the treatment of SO2 and NOx -containing waste gases involvingthe oxidation of the pollutantswith Ce(IV) in an acidic medium. This process was designed at the pilot scale with the aim of producing separate flows of nitric and sulphuric solutions and achieving the total recovery of the redox catalyst. The waste gas is continuously scrubbed in a counter-current column by the cerium-containing liquid which is recirculated in a loop: oxidant Ce(IV) is continuously regenerated at the anode of an electrochemical cell. The technical feasibility of the technique was investigated under industrial conditions for the treatment of 100Nm3 h1 waste gases produced by a glass-making furnace. Total abatement of sulphur dioxide was observed, whereas the removal efficiency of NOx was below 45%. In addition, a secondary process was studied for the treatment of the concentrated acid liquors produced in the absorption/electro-oxidation loop: nitric acid was separated by distillation, and two extraction procedures allowed the recovery of Ce-free sulphuric acid and the possible reuse of Ce(IV) species.
Url:
DOI: 10.1205/095758297528760
Links toward previous steps (curation, corpus...)
- to stream Istex, to step Corpus: Pour aller vers cette notice dans l'étape Curation :001662
Links to Exploration step
ISTEX:BE7284CB747C6DBD5B689D354D8AB711AC1276EBLe document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">A Process for the Simultaneous Removal of SO2 and NOx Using Ce(IV) Redox Catalysis</title>
<author><name sortKey="Hoffmann, P" sort="Hoffmann, P" uniqKey="Hoffmann P" first="P." last="Hoffmann">P. Hoffmann</name>
<affiliation wicri:level="1"><mods:affiliation>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Roizard, C" sort="Roizard, C" uniqKey="Roizard C" first="C." last="Roizard">C. Roizard</name>
<affiliation wicri:level="1"><mods:affiliation>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Lapicque, F" sort="Lapicque, F" uniqKey="Lapicque F" first="F." last="Lapicque">F. Lapicque</name>
<affiliation wicri:level="1"><mods:affiliation>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy</wicri:regionArea>
</affiliation>
<affiliation wicri:level="1"><mods:affiliation>Correspondance concerning this paper should be addressed to Dr F. Lapicque, Laboratoire des Sciences du Gnie Chimique, CNRS-ENSIC, BP 451, F 54001 Nancy, France.</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Correspondance concerning this paper should be addressed to Dr F. Lapicque, Laboratoire des Sciences du Gnie Chimique, CNRS-ENSIC, BP 451, F 54001 Nancy</wicri:regionArea>
</affiliation>
<affiliation wicri:level="1"><mods:affiliation>E-mail: lapicque@ensic.u-nancy.fr</mods:affiliation>
<country wicri:rule="url">France</country>
</affiliation>
</author>
<author><name sortKey="Vnot, S" sort="Vnot, S" uniqKey="Vnot S" first="S." last="Vnot">S. Vnot</name>
<affiliation wicri:level="1"><mods:affiliation>Socrematic S.A., Cergy-Pontoise, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Socrematic S.A., Cergy-Pontoise</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Maire, A" sort="Maire, A" uniqKey="Maire A" first="A." last="Maire">A. Maire</name>
<affiliation wicri:level="1"><mods:affiliation>Socrematic S.A., Cergy-Pontoise, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Socrematic S.A., Cergy-Pontoise</wicri:regionArea>
</affiliation>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">ISTEX</idno>
<idno type="RBID">ISTEX:BE7284CB747C6DBD5B689D354D8AB711AC1276EB</idno>
<date when="1997" year="1997">1997</date>
<idno type="doi">10.1205/095758297528760</idno>
<idno type="url">https://api.istex.fr/document/BE7284CB747C6DBD5B689D354D8AB711AC1276EB/fulltext/pdf</idno>
<idno type="wicri:Area/Istex/Corpus">001662</idno>
<idno type="wicri:Area/Istex/Curation">001662</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">A Process for the Simultaneous Removal of SO2 and NOx Using Ce(IV) Redox Catalysis</title>
<author><name sortKey="Hoffmann, P" sort="Hoffmann, P" uniqKey="Hoffmann P" first="P." last="Hoffmann">P. Hoffmann</name>
<affiliation wicri:level="1"><mods:affiliation>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Roizard, C" sort="Roizard, C" uniqKey="Roizard C" first="C." last="Roizard">C. Roizard</name>
<affiliation wicri:level="1"><mods:affiliation>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Lapicque, F" sort="Lapicque, F" uniqKey="Lapicque F" first="F." last="Lapicque">F. Lapicque</name>
<affiliation wicri:level="1"><mods:affiliation>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Laboratoire des Sciences du Genie Chimique, CNRS - ENSIC, Nancy</wicri:regionArea>
</affiliation>
<affiliation wicri:level="1"><mods:affiliation>Correspondance concerning this paper should be addressed to Dr F. Lapicque, Laboratoire des Sciences du Gnie Chimique, CNRS-ENSIC, BP 451, F 54001 Nancy, France.</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Correspondance concerning this paper should be addressed to Dr F. Lapicque, Laboratoire des Sciences du Gnie Chimique, CNRS-ENSIC, BP 451, F 54001 Nancy</wicri:regionArea>
</affiliation>
<affiliation wicri:level="1"><mods:affiliation>E-mail: lapicque@ensic.u-nancy.fr</mods:affiliation>
<country wicri:rule="url">France</country>
</affiliation>
</author>
<author><name sortKey="Vnot, S" sort="Vnot, S" uniqKey="Vnot S" first="S." last="Vnot">S. Vnot</name>
<affiliation wicri:level="1"><mods:affiliation>Socrematic S.A., Cergy-Pontoise, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Socrematic S.A., Cergy-Pontoise</wicri:regionArea>
</affiliation>
</author>
<author><name sortKey="Maire, A" sort="Maire, A" uniqKey="Maire A" first="A." last="Maire">A. Maire</name>
<affiliation wicri:level="1"><mods:affiliation>Socrematic S.A., Cergy-Pontoise, France</mods:affiliation>
<country xml:lang="fr">France</country>
<wicri:regionArea>Socrematic S.A., Cergy-Pontoise</wicri:regionArea>
</affiliation>
</author>
</analytic>
<monogr></monogr>
<series><title level="j">Process Safety and Environmental Protection</title>
<title level="j" type="abbrev">PSEP</title>
<idno type="ISSN">0957-5820</idno>
<imprint><publisher>ELSEVIER</publisher>
<date type="published" when="1997">1997</date>
<biblScope unit="volume">75</biblScope>
<biblScope unit="issue">1</biblScope>
<biblScope unit="page" from="43">43</biblScope>
<biblScope unit="page" to="53">53</biblScope>
</imprint>
<idno type="ISSN">0957-5820</idno>
</series>
<idno type="istex">BE7284CB747C6DBD5B689D354D8AB711AC1276EB</idno>
<idno type="DOI">10.1205/095758297528760</idno>
<idno type="PII">S0957-5820(97)70643-8</idno>
</biblStruct>
</sourceDesc>
<seriesStmt><idno type="ISSN">0957-5820</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>electrochemical process</term>
<term>nitrogen oxides</term>
<term>redox catalysis</term>
<term>sulphur dioxide</term>
<term>waste gas treatment</term>
</keywords>
</textClass>
<langUsage><language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front><div type="abstract">The paper presents a process for the treatment of SO2 and NOx -containing waste gases involvingthe oxidation of the pollutantswith Ce(IV) in an acidic medium. This process was designed at the pilot scale with the aim of producing separate flows of nitric and sulphuric solutions and achieving the total recovery of the redox catalyst. The waste gas is continuously scrubbed in a counter-current column by the cerium-containing liquid which is recirculated in a loop: oxidant Ce(IV) is continuously regenerated at the anode of an electrochemical cell. The technical feasibility of the technique was investigated under industrial conditions for the treatment of 100Nm3 h1 waste gases produced by a glass-making furnace. Total abatement of sulphur dioxide was observed, whereas the removal efficiency of NOx was below 45%. In addition, a secondary process was studied for the treatment of the concentrated acid liquors produced in the absorption/electro-oxidation loop: nitric acid was separated by distillation, and two extraction procedures allowed the recovery of Ce-free sulphuric acid and the possible reuse of Ce(IV) species.</div>
</front>
</TEI>
</record>
Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Wicri/France/explor/LeHavreV1/Data/Istex/Curation
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 001662 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Istex/Curation/biblio.hfd -nk 001662 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien |wiki= Wicri/France |area= LeHavreV1 |flux= Istex |étape= Curation |type= RBID |clé= ISTEX:BE7284CB747C6DBD5B689D354D8AB711AC1276EB |texte= A Process for the Simultaneous Removal of SO2 and NOx Using Ce(IV) Redox Catalysis }}
This area was generated with Dilib version V0.6.25. |