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公开(公告)号：US20240287403A1
公开(公告)日：2024-08-29
申请号：US18647790
申请日：2024-04-26
Applicant: Ecolab USA Inc.
Inventor： Theodore C. ARNST , Karina EURESTE , Tannon Shane WOODSON
CPC classification number: C10L10/16 , C10L1/146 , C10L1/195 , C10L1/1963 , C10L2200/0461
Abstract: Disclosed are pour point depressants used in compositions and methods for achieving the cold flow properties of synthetic feedstock derived from plastic. A method of obtaining the synthetic feedstock is also disclosed, which includes heating plastic under substantially oxygen free conditions at a temperature of from about 400° C. to about 850° C. to produce a pyrolysis effluent, condensing the heated a pyrolysis effluent to obtain a synthetic feedstock, recovering the synthetic feedstock, and adding a pour point depressant to the synthetic feedstock to lower the pour point.
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公开(公告)号：US20230120367A1
公开(公告)日：2023-04-20
申请号：US17964275
申请日：2022-10-12
Applicant: ECOLAB USA Inc.
Inventor： Kameswara VYAKARANAM , Karina EURESTE , Theodore C. ARNST
IPC: C10G75/04
Abstract: Disclosed are antifouling agents used in compositions and methods to reduce or prevent foulants in synthetic feedstocks derived from plastic. A method of reducing or preventing fouling in a plastic-derived synthetic feedstock composition may include adding an antifouling agent including a carboxylic acid anhydride or a copolymer of a dicarboxylic acid anhydride and alpha olefin to a synthetic feedstock composition derived from plastic pyrolysis containing a foulant to provide treated pyrolysate. The foulant may include, for example, nylon, polyvinyl chlorides, polyethylene terephthalate, polyamides, caprolactam, benzoic acid, phenol, p-cresol, dimethylphenol, isopropyl phenol, tert-butylphenol, dimethylethylphenol, napthalenol, varying lengths of alkenes and alkanes, propylene, tolune, pentene, butane, tetramethylindole, ethylbenzene, ethyldimethylpyrrole, dimethylfuran, tetrahydroquinoline, and any combination thereof.
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