BioSphere - Biodegradable PET Fibers
Biodegradable PET fibers manufactured with Biosphere additive have seen results at 90+% biodegradation on numerous test results utilizing the revolutionary biodegradable PET fiber additive within 1 year. PET Fiber yarn using the product has the ability to biodegrade in all environments including the ocean, soil, landfills, and compost. Biodegradable Fibers including the technology can get rid of the microplastic pollution problem that destroys the environment. The technology which is utilized uses 1% by load weight into the fiber at the desired denier thickness of the PET. Biosphere’s technology is fast, easy and affordable for your project. Also, when choosing the right biodegradable PET fiber additive you maintain a quality structure that is readily able to biodegrade. This is important when utilizing recycled content material.
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Biodegradable PET Fiber – Recycled
Choosing a recycled biodegradable PET fiber to mix with the additive can be difficult, with the use of inorganic chain extenders to make the recycled fiber utilized at 100%. The drastic drop of the intrinsic viscosity(IV) of the recycled PET makes it difficult to use recycled PET. Companies when utilizing recycled PET add in these chain extenders which ultimately slow the biodegradation rate of the material. The high IV levels take the microorganisms a longer period of time to degrade even without our additive. Having the IV level of recycled PET actually reduces the biodegradation rate. This as well as in some cases being an inorganic acid increase the time of biodegradation. So when choosing recycled content, we hope you make the right choice.
Biodegradable Fiber Testing
Many companies worldwide are utilizing biodegradable PET fibers using our technology. It is important to understand when choosing the right biodegradable PET fiber for your project you maintain a maximum of 2.5 years for results of biodegradation in anaerobic environments (ie ASTM 5511). The reason for this is the amount of time in a real-world environment one can expect for it to decompose. PET hydrolysis of the structure is somewhere around 7X the figure in biodegradation in a lab environment(Test results below). In this scenario, the PET woven fiber would in a landfill biodegrade the fiber within 7 years as a woven thread, the second material tested was fiber thread material which has reached only 28% due to a coating process that didn’t include the additive, drastically lowered the biodegradation rate. The solution, adding our product into the coating, you would no longer have a slower biodegradation rate of the treated fiber thread.
Biodegradable PET Fibers Landfill Biodegradation
Landfills, since 1988 were regulated by the federal government after this date landfill operators had to maintain the operation of the landfill 30 years after closure. Capping a landfill to capture the energy from the landfill must operate at prime capturing temperatures of 77-113F although temperatures as high as 158F are seen and must utilize the energy between years 1 and 40, after which the power and gas generation is drastically subsided as seen here. Any gas that is offset after 40 years is flared off or the landfill is essentially slow-moving producing little to no gases(ie biodegradation and activity) as seen in the previous EPA information. This is why it is important why the material will biodegrade at a fast rate 2.5 years(ASTM D5511), while the landfill is ACTIVE! This is shown again in the article by the EPA and DOE article linked above. If the material isn’t going to biodegrade within a 2.5(17.5 at 7X rate) year rate it still will biodegrade, but very slow, much slower than the anticipated 7X time frame.
Age of Refuse. “More recently buried waste will produce more gas than older waste. Landfills usually produce appreciable amounts of gas within 1 to 3 years. Peak gas production usually occurs 5 to 7 years after wastes are dumped. Almost all gas is produced within 20 years after waste is dumped; however, small quantities of gas may continue to be emitted from a landfill for 50 or more years. A low-methane yield scenario, however, estimates that slowly decomposing waste will produce methane after 5 years and continue emitting gas over a 40-year period. Different portions of the landfill might be in different phases of the decomposition process at the same time, depending on when the waste was originally placed in each area. The amount of organic material in the waste is an important factor in how long gas production lasts.” as seen here
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