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US 11,945,918 B2Granted
Methods for the decomposition of contaminated plastic waste
AssigneeNovoloop, Inc.
InventorsJia Yun Yao, Yu Wen Wang, Tapaswy Muppaneni, Ruja Shrestha, Jennifer Le Roy, Garret D. Figuly
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Abstract
This invention relates to the field of contaminated plastic waste decomposition. More specifically, the invention comprises methods and systems to decompose contaminated plastic waste and transform it into value-added products.
Claims15
A system for the decomposition of polyethylene, comprising:
- a reactor configured to carry out a reaction of polyethylene with an oxidizing agent to produce a reaction product and a reaction gas;
- an absorption unit configured to recover the oxidizing agent from the reaction gas, and return the oxidizing agent to the reactor;
- and
- a separation unit configured to separate the reaction product from the oxidizing agent,
- wherein the oxidizing agent is aqueous nitric acid (HNO3), wherein the reaction product comprises at least one of C8-C20 dicarboxylic acid substituted with a single nitro group, or the salts or esters thereof.
2 more elements
Dependencies are inferred from the claim text.