ERODANTS AS CONVEYANCE AIDS AND METHOD OF MERCURY REMOVAL

Aspects of the present disclosure are directed to mixtures and methods for pneumatically conveying powdered materials. A method includes providing a pneumatic conveyance system with a gas stream having a gas velocity; providing particles of sorbent material having a median sorbent particle size d50,...

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Bibliographische Detailangaben
Hauptverfasser:	Adler, Gerald D, Koehlert, Kenneth C, Moeser, Geoffrey D, Greenfield, Matthew B
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Aspects of the present disclosure are directed to mixtures and methods for pneumatically conveying powdered materials. A method includes providing a pneumatic conveyance system with a gas stream having a gas velocity; providing particles of sorbent material having a median sorbent particle size d50, sorbent from 1 μm to 28 μm; injecting the particles of sorbent material into the gas stream; providing particles of erodant material having a median erodant particle size d50, erodant of at least 150 μm, where the erodant material is provided in an amount from 0.5% to 3% by weight of the particles of sorbent material; and injecting the particles of erodant material into the gas stream, where the gas velocity is sufficient to entrain the particles of sorbent material and sufficient to convey the particles of erodant material. A mixture of sorbent material and erodant material is also disclosed.