Removal of arsenic from flue-gas

Peter Nockemann (Inventor)

Research output: Patent

8 Citations (Scopus)

Abstract

The divulged invention concerns a process for the removal of arsenic oxides inprocessexhaust gases, comprising the step of passing the exhaust gases through a supported ionic liq. phase bed,characterized in that the ionic liq. comprises one or more cations from the list consisting of substituted phosphonium, ammonium, imidazolium, pyrrolidinium, and pyridinium, and one or more anions from the list consisting of chloride, bromide, and carboxylate.  Compared toa bed of active carbon, theionic liq. soaked active carbon bed according to the invention allows for an estd. doubling of thearsenic adsorptioncapacity of the bed, while also considerably enhancingthe kineticsofadsorption.
Original languageEnglish
Patent numberWO 2018104257
Publication statusPublished - 2017

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arsenic
carbon
bromide
anion
ammonium
cation
chloride
oxide
gas
flue gas
removal
exhaust gas

Cite this

Nockemann, P. (2017).  Removal of arsenic from flue-gas. (Patent No. WO 2018104257).
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Nockemann, P 2017,  Removal of arsenic from flue-gas, Patent No. WO 2018104257.

 Removal of arsenic from flue-gas. / Nockemann, Peter (Inventor).

Patent No.: WO 2018104257.

Research output: Patent

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T1 -  Removal of arsenic from flue-gas

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N2 - The divulged invention concerns a process for the removal of arsenic oxides inprocessexhaust gases, comprising the step of passing the exhaust gases through a supported ionic liq. phase bed,characterized in that the ionic liq. comprises one or more cations from the list consisting of substituted phosphonium, ammonium, imidazolium, pyrrolidinium, and pyridinium, and one or more anions from the list consisting of chloride, bromide, and carboxylate.  Compared toa bed of active carbon, theionic liq. soaked active carbon bed according to the invention allows for an estd. doubling of thearsenic adsorptioncapacity of the bed, while also considerably enhancingthe kineticsofadsorption.

AB - The divulged invention concerns a process for the removal of arsenic oxides inprocessexhaust gases, comprising the step of passing the exhaust gases through a supported ionic liq. phase bed,characterized in that the ionic liq. comprises one or more cations from the list consisting of substituted phosphonium, ammonium, imidazolium, pyrrolidinium, and pyridinium, and one or more anions from the list consisting of chloride, bromide, and carboxylate.  Compared toa bed of active carbon, theionic liq. soaked active carbon bed according to the invention allows for an estd. doubling of thearsenic adsorptioncapacity of the bed, while also considerably enhancingthe kineticsofadsorption.

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Nockemann P, inventor.  Removal of arsenic from flue-gas. WO 2018104257. 2017.