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Ethanol production from industrial hemp: effect of combined dilute acid/steam pretreatment and economic aspects

In the present study, combined steam (140-180°C) and dilute-acid pre-hydrolysis (0.0-2.0%) were applied to industrial hemp (Cannabis sativa L.), as pretreatment for lignocellulosic bioethanol production. The influence of the pretreatment conditions and cultivation type on the hydrolysis and ethanol yields was also evaluated. Pretreatment with 1% sulfuric acid at 180°C resulted in the highest glucose yield (73-74%) and ethanol yield of 75-79% (0.38-0.40 g-ethanol/g-glucose). Taking into account…

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. 2014 Jul;163:236-43.

doi: 10.1016/j.biortech.2014.04.049. Epub 2014 Apr 24.

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Mariusz Kuglarz et al. Bioresour Technol. .

Abstract

In the present study, combined steam (140-180°C) and dilute-acid pre-hydrolysis (0.0-2.0%) were applied to industrial hemp (Cannabis sativa L.), as pretreatment for lignocellulosic bioethanol production. The influence of the pretreatment conditions and cultivation type on the hydrolysis and ethanol yields was also evaluated. Pretreatment with 1% sulfuric acid at 180°C resulted in the highest glucose yield (73-74%) and ethanol yield of 75-79% (0.38-0.40 g-ethanol/g-glucose). Taking into account the costs of biomass processing, from field to ethanol facility storage, the field-dried hemp pretreated at the optimal conditions showed positive economic results. The type of hemp cultivation (organic or conventional) did not influence significantly the effectiveness of the pretreatment as well as subsequent enzymatic hydrolysis and ethanol fermentation.

Keywords: Bioethanol; Economic analysis; Industrial hemp; Steam pretreatment.

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Source: https://pubmed.ncbi.nlm.nih.gov/24821202/?utm_source=no_user_agent&utm_medium=rss&utm_campaign=pubmed-2&utm_content=1XAOX_jnjTyCUo06Xbq0lslwi760CIxcWfQx0n9x5BPH5yV1sN&fc=20200804212910&ff=20200812190952&v=2.11.5

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Reliable cbd websites in the US ? Im not sure who to trust for quality

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Visit our community site for vetted suppliers at http://theCBD.place. It’s time that this subject was given more internet exposure. We are here to discuss topics related to medical marijuana and our experiences using CBD. Please do not assume that anyone here is a medical professional.

Source: https://www.reddit.com/r/CBD/comments/ltazi4/reliable_cbd_websites_in_the_us_im_not_sure_who/

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Cannabis and the Autistic Spectrum

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Visit our community site for vetted suppliers at http://theCBD.place. It’s time that this subject was given more internet exposure. We are here to discuss topics related to medical marijuana and our experiences using CBD. Please do not assume that anyone here is a medical professional.

Source: https://www.reddit.com/r/CBD/comments/lta8xe/cannabis_and_the_autistic_spectrum/

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Is 0.5 grams too much for a beginner?

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I just bought my very first pre-rolls! I started taking gummies every now and then about 3 months ago to help with my anxiety and panic attacks but i hear smoking gives you the desired effect much quicker.

The package says each roll is 0.5 grams but that sounds like a lot to me. Can anyone give me some advice?

Source: https://www.reddit.com/r/CBD/comments/lt9tz2/is_05_grams_too_much_for_a_beginner/

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