PET from Coca-Cola’s PlantBottle Relies on Green MEG Produced via Scientific Design Process

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  • 1. PET from Coca-Cola’s PlantBottle Relies on Green MEG Produced via Scientific Design Process Intratec’s Technology Economics service offers an economic evaluation of Scientific Design’s MEG process The first ever recyclable plastic bottle made partially from plants, Coca-Cola’s PlantBottle relies on polyethylene terephthalate (PET) produced from terephthalic acid and green monoethylene glycol (MEG) derived from bioethanol. Ethanol Steam Caustic Water CO2 Removal Oxygen Dehydration Reactor Scrubber EO Stripper Ethylene Oxide Reactor Water Removal MEG DEG TEG PEG Glycol Reactor The use of green MEG in the production of PET was enabled by Scientific Design (SD), which developed an integrated process comprising the ethanol dehydration and the MEG production steps. This integration requires minimum ethylene purification and takes advantage of heat integration opportunities. According to SD, ethanol is dehydrated to ethylene and the reactor effluent is cooled, washed with an alkaline water solution, compressed and purified. Then, ethylene reacts with oxygen to form ethylene oxide (EO). EO is purified and sent to the glycols reactor, where it is reacted with water, generating ethylene glycol (EG), which is further separated into MEG, DEG and TEG. Intratec’s Technology Economics advisory service makes a critical analysis of the process. Based on publicly available information, the complete study evaluates the economics surrounding the technology, providing:  Process Simulation  Estimation of Key Performance Indicators and list of equipment  Plant capital cost estimates developed using Aspen Process Economic Analyzer  Evaluation of the costs related to plant operation (raw materials, utilities, labor and other fixed costs, etc) Review our Technology Economics advisory service at www.intratec.us/tec and order the service online: 1. Indicate the commercial technology to be economically evaluated; 2. Select the pricing and payment options that best fit your budget; 3. Submit your order. Main Reference Touch Briefings 2010 – Hydrocarbon World, Volume 5, Issue 2 – Scientific Design’s Ethanol to Monoethylene Glycol Technology (http://www.touchoilandgas.com/ebooks/A1qfzp/hydro52/resources/14.htm)