Apparatus for removing PCBs, contaminants and debris from gas transmission lines
US6604536B1 · kind B1 · utility
2Cited by
25References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 2, 1999 |
| Grant date | Aug 12, 2003 |
| Priority date | — |
| Expiry date | Aug 2, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B9/0495
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus and process for removing and recovering contaminants from a pipeline while containing and preventing the contaminants from spilling or leaking into the environment during said removal comprising. Specifically, the apparatus and method effectively and safely remove PCBs from a gas transmission pipeline. The apparatus and method implements a unique coupling system the prevents dangerous contaminants from escaping into the environment. Furthermore, the apparatus and method implements and system for recycling cleaning solution for continuous treatment of the pipeline.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.