نتایج جستجو برای: waste catalyst

تعداد نتایج: 124606  

1996
Alison M. Etheridge Klaus Fleischmann

The super-Brownian motion X % in a super-Brownian medium % constructed in DF96a] is known to be persistent (no loss of expected mass in the longtime behaviour) in dimensions one ((DF96a]) and three ((DF96b]). Here we ll the gap in showing that persistence holds also in the critical dimension two. The key to this result is that in any dimension (d 3); given the catalyst, the variance of the proc...

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Journal: :Catalysts 2021

Slaughterhouse waste is considered to be an emerging issue because of its disposal cost. As alternative, it would a great prospect for the bioeconomy society explore new usages these leftover materials. per food safety rules mentioned by EU legislation, all bone generated slaughterhouses ought disposed rendering. The huge quantity worldwide generation (130 billion kilograms annum) environmental...

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Journal: :Renewable and Sustainable Energy Reviews 2018

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Journal: :Ultrasonics Sonochemistry 2015

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Journal: Journal of Applied Chemical Research 2015
Elmira Ghamari Lida Sarchami Mir Mohammad Alavi Nikje Seyedeh Leila Rahmani Andabil

In this research, the chemical recycling of terephthalic acid from PET waste by using nano Fe3O4@Py-APTS as solid support was reported. The performance of organically modified nano magnetic was examined in detail and the results were compared with unsupported reactions as the model. By using the solid support, the required time for complete glycolysis, consumption of solvent and catalyst, decre...

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Journal: :Nanoscale Advances 2019

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ژورنال: مواد پرانرژی 2017
بیات, یداله, دیده بان, خدیجه, ذرعی, محمد علی, میرشکرایی, سید احمد,

In this study, a novel method to synthesis of 1,3,5,7-tetraacetyl octahydro-1,3,5,7-tetraazocine or 1,3,5,7-tetraacetyl-1,3,5,7-tetraazacyclooctane (TAT) was used through acetolysis of 3,7-diacetyl-1,3,5,7-tetraazabicyclo-[3.3.1]nonane (DAPT) with acetic anhydride in the presence of sodium acetate as catalyst. Optimized reaction conditions were obtained by changing temperature, time and startin...

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Journal: :Fuel 2018

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Journal: :Nigerian Journal of Basic and Applied Sciences 2011

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Journal: :Bioresource Technology 2009

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