Can PE pipe be recycled?
PE pipe can easily be recycled
The end product depends on the condition of the pipe.
As there is minimal material degradation during the pipe manufacturing process, rejected pipe material, for example from start up or errors in processing, can be 100% recycled back into pipe and can meet all the required performance parameters. The level of material waste in manufacturing is therefore very low.
PE pipe reclaimed after use is unlikely to have the required characteristics for reuse in the same application, i.e. as PE pressure pipe. It can be recycled into other plastics products that are less mechanically demanding. These initiatives are organised by either the pipeline operator, the pipe suppliers or third party plastics reclamation companies.
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Environmental Life Cycle Analysis (LCA) Also referred to as life cycle inventory or cradle-to-grave study, LCA has been carried out on PE manufactured and used for pipe applications. The Life Cycle Analysis for PE pipe estimates that the total energy consumption from extraction to installation is approximately 95 MJ per kg. of pipe (approx. 26 kWh per kg. of pipe). Full life cycle analysis, which takes into account not only energy consumption but also effects from emissions etc., indicate that...
The environmental impact of a pipe in service is a function of the leakage of transported material that it permits to the surrounding environment. The environmental impact from leakage of PE pipe is less than that from the equivalent iron or steel pipe due to the lower frequency of leakage. However consideration should be given to the nature of the fluid being transported and the potential effect on the environment should third party damage occur. Exfiltration occurs from the permeation of the...