scholarly journals Experimental Study on Organic Sulfur Removal in Bituminous Coal by a 1-Carboxymethyl-3-methyl Imidazolium Bisulfate Ionic Liquid and Hydrogen Peroxide Solution

ACS Omega ◽  
2020 ◽  
Vol 5 (33) ◽  
pp. 21127-21136 ◽  
Author(s):  
Yongliang Xu ◽  
Yang Liu ◽  
Huilong Xie ◽  
Menglei Chen ◽  
Lanyun Wang
Keyword(s):  
Hydrogen Peroxide ◽  
Experimental Study ◽  
Ionic Liquid ◽  
Bituminous Coal ◽  
Sulfur Removal ◽  
Hydrogen Peroxide Solution ◽  
Organic Sulfur

scholarly journals Removing Simultaneously Sulfur and Nitrogen from Fuel under a Sustainable Oxidative Catalytic System

2021 ◽  
Vol 2 (2) ◽  
pp. 382-391
Author(s):  
Dinis F. Silva ◽  
Alexandre M. Viana ◽  
Fátima Mirante ◽  
Baltazar de Castro ◽  
Luís Cunha-Silva ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Ionic Liquid ◽  
Fossil Fuels ◽  
Sulfur Removal ◽  
Oxidative Desulfurization ◽  
Nitrogen Compounds ◽  
Extraction Solvent ◽  
Liquid Samples ◽  
Sulfur And Nitrogen Compounds ◽  
Initial Extraction

An effective process to remove nitrogen-based compounds from fossil fuels without harming the process of sulfur removal is an actual gap in refineries. A success combination of desulfurization and denitrogenation processes capable of completely removing the most environmental contaminates in diesel under sustainable conditions was achieved in this work, applying polyoxometalates as catalysts, hydrogen peroxide as oxidant, and an immiscible ionic liquid as an extraction solvent. The developed process based in simultaneous oxidative desulfurization (ODS) and oxidative denitrogenation (ODN) involved initial extraction of sulfur and nitrogen compounds followed by catalytic oxidation. Keggin-type polyoxomolybdates revealed much higher reusing capacity than the related polyoxotungstate. Effectively, the first catalysts practically allowed complete sulfur and nitrogen removal only in 1 h of reaction and for ten consecutive cycles, maintaining the original catalyst and ionic liquid samples.

Hydrogen Peroxide Biosensor Based on Cellulose Diacetate Ionic Liquid Film Immobilizing Myoglobin

2012 ◽  
Vol 39 (9) ◽  
pp. 1358-1362
Author(s):  
She-Ying DONG ◽  
Guang-Zhe GU ◽  
Zhu-Qing YU ◽  
Yuan-Zhen ZHOU ◽  
Hong-Sheng TANG ◽  
...  
Keyword(s):  
Hydrogen Peroxide ◽  
Ionic Liquid ◽  
Liquid Film ◽  
Cellulose Diacetate ◽  
Hydrogen Peroxide Biosensor

Enzymatic Iodination of Maleic and Fumaric Acids Diethyl Esters

2009 ◽  
Vol 59 (12) ◽  
pp. 1400-1404
Author(s):  
Marius Tudorascu ◽  
Spiridon Oprea ◽  
Afrodita Doina Marculescu ◽  
Stefania Tudorascu
Keyword(s):  
Hydrogen Peroxide ◽  
Tartaric Acid ◽  
Disperse System ◽  
Hydrogen Peroxide Solution ◽  
Ultrasonic Pretreatment ◽  
Tartaric Acids ◽  
Inactive Form ◽  
Generating System ◽  
Sole Product

The mechanism of the enzymatic iodination process of diethylmaleate and diethylfumarate (which present no miscibility with water) in the presence of lactoperoxidase, both in diluted hydrogen peroxide solution and in a generating system of hydrogen peroxide using ammonium and calcium iodides as halide sources in disperse system (after an ultrasonic pretreatment) was studied. The obtained sole product (diethyl-2, 3-diiodosuccinate) after the enzymatic iodination process was directly hydrolyzed to a tartaric acid present in an optically inactive form. The mechanism of obtaining the intermediate and final products and respectively, the existence of both D, L-tartaric acid and meso-tartaric acids (as lithium bitartrates) were also investigated.

Gas Embolism After Ingestion of Hydrogen Peroxide

PEDIATRICS ◽  
1990 ◽  
Vol 85 (4) ◽  
pp. 593-594
Author(s):  
WAYNE R. RACKOFF ◽  
DAVID F. MERTON
Keyword(s):  
Hydrogen Peroxide ◽  
Case Report ◽  
Venous System ◽  
Hydrogen Peroxide Solution ◽  
Portal Venous System ◽  
Gas Embolism ◽  
Colonic Irrigation ◽  
Radiographic Evidence ◽  
Portal Venous Gas ◽  
Venous Gas Embolism

Gas embolism to the portal venous system is a well-recognized radiographic sign in infants with necrotizing enterocolitis. It also has been seen after colonic irrigation with hydrogen peroxide solution.1,2 We present what we believe is the first reported patient with radiographic evidence of portal venous gas embolism after ingestion of hydrogen peroxide solution. This finding is important because gas embolism to the portal venous system after colonic irrigation with hydrogen peroxide has been associated with gangrenous and perforated bowel.1,2 CASE REPORT A 2-year-old boy ingested an unknown amount of 3% hydrogen peroxide solution. The child was found with foam around his mouth.

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