Adsorbent treating process for both a liquid and a gaseous hydrocarbon stream

Claim 2

A PROCESS FOR THE CONTINUOUS OPERATION OF A TREATING PROCESS UTILIZING A NON-REGENERATIVE SOLID ADSORBENT CAPABLE OF TREATING A GASEOUS STREAM AFTER IT HAS BECOME INCAPABLE OF TREATING A LIQUID STREAM WHICH COMPRISES: A. PASSING A LIQUID HYDROCARBON STREAM CONTAINING A FRIST HALOGEN-CONTAINING CHEMICAL THROUGH A FRIST TREATING ZONE CONTAINING A NON-REGENERATIVE SOLID ABSORBENT TO EFFECT THE REMOVAL OF AT LEAST A PORTION OF THE FRIST HALOGEN-CONTAINING CHEMICAL, B. SWITCHING THE FLOW OF THE LIQUID HYDROCARBON STREAM TO A SECOND TREATING ZONE CONTAINING ADDITIONAL NON-REGENERATIVE SOLID ADSORBENT AFTER THE NON-REGENERATIVE ADSORBENT IN THE FRIST TREATING ZONE IS SUBSTANTIALLY INCAPABLE OF ADSORBING ADDITIONAL AMOUNTS OF THE FRIST HALOGEN-CONTAINING CHEMICAL, AND, C. PASSING A GASEOUS STREAM CONTAINING A SECOND HALOGENCONTAINING CHEMICAL THROUGH THE NON-REGENERATIVE ADSORBENT IN THE TREATING ZONE TO EFFECT A REMOVAL OF AT

Claim 3

The process of claim 1 further characterized in that the non-regenerative adsorbent contained in the treating zones is alumina.

Claim 4

The process of claim 1 further characterized in that the non-regenerative adsorbent contained in the treating zone is bauxite.

Claim 5

The process of claim 2 further characterized in that the first halogen-containing chemical is a boron oxide hydrate complex formed by the reaction of boron oxide hydrates with a boron halide.

Claim 6

The process of claim 4 further characterized in that the second halogen-containing chemical is fluorine.

Claim 7

The process of claim 1 further characterized in that the adsorbent in the first treating zone is purged of liquid hydrocarbon by contact with a purging gas after step (a) and prior to step (c).

Claim 8

A process for the continuous removal of halogen-containing chemicals from two different fluid streams which comprises the steps of: a. intermittently passing a quantity of a fresh non-regenerative solid adsorbent into an upper portion of a first treating zone; b. passing a liquid hydrocarbon stream containing a first halogen-containing chemical through the non-regenerative adsorbent contained in the first treating zone to effect the removal of the first halogen-containing chemical compound from the liquid hydrocarbon stream; c. passing a quantity of the non-regenerative adsorbent from the first treating zone to a second treating zone after the non-regenerative adsorbent in the first treating zone is substantially incapable of adsorbing more of the first halogen-containing chemical; and, d. passing a gaseous stream containing a second halogen-containing chemical through the non-regenerative adsorbent in the second treating zone to effect the removal of at least a portion of the second halogen-containing chemical from the gaseous stream.

Claim 9

A process for the continuous removal of halogen-containing chemicals from two different fluid streams which comprises the steps of: a. intermittently passing a quantity of a fresh non-regenerative solid adsorbent into an upper portion of a first treating zone; b. passing a liquid hydrocarbon stream containing a first halogen-containing chemical through the non-regenerative adsorbent contained in the first treating zone to effect the removal of the first halogen-containing chemical compound from the liquid hydrocarbon stream; c. passing a quantity of the non-regenerative adsorbent from the first treating zone to a second treating zone after the non-regenerative adsorbent in the first treating zone is substantially incapable of adsorbing more of the first halogen-containing chemical; and, d. passing a gaseous stream containing a second halogen-containing chemical through the non-regenerative adsorbent in the second treating zone to effect the removal of at least a portion of the second halogen-containing chemical from the gaseous stream.

Claim 10

The process of claim 7 further characterized in that the non-regenerative adsorbent is alumina.

Claim 11

The process of claim 7 further characterized in that the non-regenerative adsorbent is bauxite.

Claim 12

The process of claim 7 further characterized in that the adsorbent is purged of liquid hydrocarbon by contact with a purging gas after step (c) and prior to step (d).

Claim 13

A process for the continuous removal of halogen-containing chemicals from process streams of a hydrocarbon conversion process which comprises the steps of: a. intermittently passing a quantity of fresh alumina into an upper portion of a first treating zone; b. passing a liquid hydrocarbon stream comprising an aromatic hydrocarbon and boron oxide hydrates through alumina contained in the first treating zone to effect the removal of the boron oxide hydrate complex from the liquid hydrocarbon stream; c. intermittently removing a quantity of used alumina from a bottom portion of The first treating zone while the liquid hydrocarbon stream is passing through the first treating zone; d. passing the quantity of used alumina removed from the first treating zone into an upper portion of a second treating zone; e. passing a gaseous stream comprising fluorine through used alumina contained in the second treating zone to effect the removal of fluorine from the gas stream; and, f. intermittently removing a quantity of alumina from a bottom portion of the second treating zone.

Claim 14

A process for the continuous removal of halogen-containing chemicals from process streams of a hydrocarbon conversion process which comprises the steps of: a. intermittently passing a quantity of fresh alumina into an upper portion of a first treating zone; b. passing a liquid hydrocarbon stream comprising an aromatic hydrocarbon and boron oxide hydrates through alumina contained in the first treating zone to effect the removal of the boron oxide hydrate complex from the liquid hydrocarbon stream; c. intermittently removing a quantity of used alumina from a bottom portion of The first treating zone while the liquid hydrocarbon stream is passing through the first treating zone; d. passing the quantity of used alumina removed from the first treating zone into an upper portion of a second treating zone; e. passing a gaseous stream comprising fluorine through used alumina contained in the second treating zone to effect the removal of fluorine from the gas stream; and, f. intermittently removing a quantity of alumina from a bottom portion of the second treating zone.

Claim 15

The process of claim 11 further characterized in that boron trifluoride is also contained in and removed from the fluorine-containing gas stream.

Claim 16

The process of claim 11 further characterized in that said used alumina is purged of liquid hydrocarbon by contact with a purging gas after its removal from said first treating zone and prior to the passage of the fluorine-containing gaseous stream therethrough.

Claim 17

A process for separating halogen-containing chemicals from a liquid hydrocarbon stream and a gaseous stream containing the same, which comprises the steps of: a. passing said liquid hydrocarbon stream through a solid adsorbent and adsorbing in the latter halogen-containing chemical from said liquid stream; b. continuing the passage of the liquid stream through said solid adsorbent until the adsorbent becomes substantially incapable of adsorbing additional amounts of halogen-containing chemical from the liquid stream; c. thereafter discontinuing the passage of the liquid hydrocarbon stream through the adsorbent and contacting the latter with a purging gas to remove therefrom liquid hydrocarbon retained by the adsorbent during the aforesaid steps (a) and (b); and (d) then passing said gaseous stream through said adsorbent and adsorbing therein halogen-containing chemical from the gaseous stream.

Claim 18

A process for separating halogen-containing chemicals from a liquid hydrocarbon stream and a gaseous stream containing the same, which comprises the steps of: a. passing said liquid hydrocarbon stream through a solid adsorbent and adsorbing in the latter halogen-containing chemical from said liquid stream; b. continuing the passage of the liquid stream through said solid adsorbent until the adsorbent becomes substantially incapable of adsorbing additional amounts of halogen-containing chemical from the liquid stream; c. thereafter discontinuing the passage of the liquid hydrocarbon stream through the adsorbent and contacting the latter with a purging gas to remove therefrom liquid hydrocarbon retained by the adsorbent during the aforesaid steps (a) and (b); and (d) then passing said gaseous stream through said adsorbent and adsorbing therein halogen-containing chemical from the gaseous stream.