IP Library Granted Patent US 10,625,655
Granted Patent B2
US 10,625,655 · App. 16/125,204 · Granted Apr 21, 2020

Trailer and method for transporting peracetic acid

Inventors: John M. Rovison, Jr. (Sanborn, NY); James Brennan (Williamsville, NY)
Assignee: PEROXYCHEM LLC
B60P3/225B60P3/2255
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Quick Facts
Patent No.
US 10,625,655
App. No.
16/125,204
Granted
Apr 21, 2020
Kind
B2
Abstract

A trailer for transporting a liquid mixture having at least about 5% peracetic acid by weight includes a stainless steel tank having an external spill containment enclosure and a predetermined maximum allowable working pressure. One or more pressure relief valves are included in a wall of the tank within the external spill containment enclosure and configured to provide pressure relief to the tank at a pressure of between about 20%-50% of the maximum working pressure of the tank, thereby preventing over-pressurization of a reactive and decomposing fluid during a fire event. Wheels and a kingpin are affixed to the tank to enable transportation over public roadways.

Claims (16)

1. An apparatus for transporting a liquid mixture having at least 5% peracetic acid by weight, the apparatus comprising: a stainless steel tank having an external spill containment enclosure and a predetermined maximum allowable working pressure associated with the stainless steel tank; one or more pressure relief valves included in a wall of the tank within the external spill containment enclosure, wherein the one or more pressure relief valves are configured to provide pressure relief to the tank at a pressure between 20% and 50% of the maximum allowable working pressure of the stainless steel tank and wherein the one or more pressure relief valves are reclosing pressure relief valves, and wherein the one or more reclosing pressure relief valves are configured to provide pressure relief when an internal pressure inside the stainless steel tank exceeds 10 psig, and wherein a relief area of the one or more reclosing pressure relief valves is configured to prevent the internal pressure within the stainless steel tank from exceeding a maximum pressure associated with the stainless steel tank during a decomposition event.

2. The apparatus of claim 1 , wherein the maximum allowable working pressure is about 40 psig.

3. The apparatus of claim 1 , wherein the one or more reclosing pressure relief valves have a combined relief area greater or equal to 11.94 in 2 .

4. The apparatus of claim 1 , wherein a relief area of the one or more reclosing pressure relief valves are configured to prevent the internal pressure within the stainless steel tank from exceeding the maximum pressure during fire engulfment.

5. The apparatus of claim 1 , wherein the one or more reclosing pressure relief valves includes two 4″ diameter reclosing pressure relief valves, each configured to provide pressure relief to the stainless steel tank at 10 psig.

6. The apparatus of claim 1 , wherein the configuration of the one or more reclosing pressure relief valves is sufficient to prevent peracetic acid leakage.

7. The apparatus of claim 1 , further comprising a trailer, the stainless steel tank affixed to the trailer.

8. A combination comprising: a liquid mixture having at least about 5% peracetic acid by weight; and a stainless steel tank: the stainless steel tank having an external spill containment enclosure and a predetermined maximum allowable working pressure associated with the stainless steel tank; one or more pressure relief valves included in a wall of the stainless steel tank within the external spill containment enclosure, wherein the one or more pressure relief valves are configured to provide pressure relief to the stainless steel tank at a pressure between 20% and 50% of the maximum allowable working pressure of the stainless steel tank and wherein the one or more pressure relief valves are reclosing pressure relief valves, wherein the one or more reclosing pressure relief valves are configured to provide pressure relief when an internal pressure inside the stainless steel tank exceeds 10 psig and wherein a relief area of the one or more reclosing pressure relief valves are configured to prevent the internal pressure within the stainless steel tank from exceeding a maximum pressure associated with the stainless steel tank during a decomposition event and wheels.

9. The combination of claim 8 , wherein the maximum allowable working pressure is about 40 psig.

10. The combination of claim 8 , wherein the one or more reclosing pressure relief valves have a combined relief area greater or equal to 11.94 in 2 .

11. The combination of claim 8 , wherein a relief area of the one or more reclosing pressure relief valves are configured to prevent internal pressure within the stainless steel tank from exceeding the maximum pressure during fire engulfment.

12. The combination of claim 8 , wherein the one or more reclosing pressure relief valves includes two 4″ diameter pressure relief valves, each configured to provide pressure relief to the stainless steel tank at 10 psig.

13. The combination of claim 8 , wherein the configuration of the one or more reclosing pressure relief valves is sufficient to prevent peracetic acid leakage.

14. The combination of claim 8 , further comprising a trailer, the stainless steel tank affixed to the trailer.

15. A stainless steel tank for transporting and storing a liquid mixture having at least about 5% peracetic acid by weight, the stainless steel tank comprising: an external spill containment enclosure and a predetermined maximum allowable working pressure associated with the stainless steel tank; one or more pressure relief valves included in a wall of the stainless steel tank within the external spill containment enclosure, wherein the one or more pressure relief valves are configured to provide pressure relief to the stainless steel tank at a pressure between 20% and 50% of the maximum allowable working pressure of the stainless steel tank and wherein the one or more pressure relief valves are reclosing pressure relief valves, and wherein the one or more reclosing pressure relief valves are configured to provide pressure relief when an internal pressure inside the stainless steel tank exceeds about 10 psig, and wherein a relief area of the one or more reclosing pressure relief valves is configured to prevent the internal pressure within the stainless steel tank from exceeding a maximum pressure during a decomposition event; and wherein the enclosure further comprises a quick connect coupling, a vapor return and a manual bleed-off valve.

16. The stainless steel tank of claim 15 , further comprising a trailer, the stainless steel tank affixed to the trailer.

Assignments (5)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 17, 2021
From: PEROXYCHEM LLC
To: EVONIK OPERATIONS GMBH
Reel/Frame 055625/0170 →
RELEASE OF SECURITY INTEREST IN PATENTS RECORDED AT R/F 050605/0305 Recorded Feb 3, 2020
From: BARCLAYS BANK PLC, AS ADMINISTRATIVE AGENT
To: PEROXYCHEM LLC
Reel/Frame 051777/0957 →
SECURITY INTEREST Recorded Oct 2, 2019
From: PEROXYCHEM LLC
To: BARCLAYS BANK PLC, AS ADMINISTRATIVE AGENT
Reel/Frame 050605/0305 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 9, 2018
From: ROVISON, JOHN M., JR.; BRENNAN, JAMES
To: FMC CORPORATION
Reel/Frame 047107/0309 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 9, 2018
From: FMC CORPORATION
To: PEROXYCHEM LLC
Reel/Frame 047107/0441 →
Continuity (3)
Division 14019696 · Sep 6, 2013
Provisional Application 61726297 · Nov 14, 2012
Related Publication 20190001862A1 · Jan 3, 2019