Quantitative 1H NMR spectroscopy

SK Bharti, R Roy - TrAC Trends in Analytical Chemistry, 2012 - Elsevier
This review illustrates the need to use nuclear magnetic resonance (NMR) spectroscopy for
the quantitative analysis of small molecules in their crude forms and in mixtures. We provide …

Quantitative 1H NMR. Development and Potential of an Analytical Method: An Update

GF Pauli, T Godecke, BU Jaki… - Journal of natural …, 2012 - ACS Publications
Covering the literature from mid-2004 until the end of 2011, this review continues a previous
literature overview on quantitative 1H NMR (qHNMR) methodology and its applications in …

Process and reaction monitoring by low-field NMR spectroscopy

F Dalitz, M Cudaj, M Maiwald, G Guthausen - Progress in nuclear magnetic …, 2012 - Elsevier
New developments in spectroscopic techniques for process control are in general driven by
the shortcomings of existing technology, eg, when sensitivity, selectivity, robustness, etc. do …

Chemical equilibrium and reaction kinetics of the heterogeneously catalyzed formation of poly (oxymethylene) dimethyl ethers from methylal and trioxane

J Burger, E Ströfer, H Hasse - Industrial & Engineering Chemistry …, 2012 - ACS Publications
Poly (oxymethylene) dimethyl ethers (OMEs) are attractive components for tailoring diesel
fuels. They belong to the group of oxygenates that reduce soot formation in the combustion …

Techno-economic assessment and carbon footprint of processes for the large-scale production of oxymethylene dimethyl ethers from carbon dioxide and hydrogen

F Mantei, RE Ali, C Baensch, S Voelker… - Sustainable Energy & …, 2022 - pubs.rsc.org
Poly (oxymethylene) dimethyl ethers (OME) show promising fuel properties, enabling their
use in existing infrastructure, especially as alternatives or additives to diesel fuel, leading to …

Process control with compact NMR

K Meyer, S Kern, N Zientek, G Guthausen… - TrAC Trends in Analytical …, 2016 - Elsevier
Compact nuclear magnetic resonance (NMR) instruments make NMR spectroscopy and
relaxometry accessible in industrial and harsh environments for reaction and process …

Side products in the water-tolerant synthesis of poly (oxymethylene) dimethyl ethers: formation kinetics and implications for process design

J Voggenreiter, J Burger - Industrial & Engineering Chemistry …, 2021 - ACS Publications
Poly (oxymethylene) dimethyl ethers (OME) offer excellent fuel properties such as soot-free
combustion and are discussed as potential diesel fuels. Formation of side products during …

Water assisted formaldehyde-containing chemicals refining with easily separable methanol over Cu/ZnO/Al2O3 catalyst

S Cheng, Q Lei, C Deng, W Lei, H Chen - Separation and Purification …, 2024 - Elsevier
A green protocol for refining industrial chemicals containing formaldehyde (FA) impurities is
presented here for the first time. FA, as an unreactant or a byproduct, causes separation …

Development of a new industrial process for trioxane production

T Grützner, H Hasse, N Lang, M Siegert… - Chemical Engineering …, 2007 - Elsevier
This paper reports on the development of a new industrial process for the production of
trioxane (C3H6O3), the cyclic trimer of formaldehyde (CH2O). Trioxane is synthesized from …

Experimental study and model of reaction kinetics of heterogeneously catalyzed methylal synthesis

JO Drunsel, M Renner, H Hasse - Chemical Engineering Research and …, 2012 - Elsevier
Reaction kinetics of the heterogeneously catalyzed formation of methylal from aqueous
methanolic formaldehyde solutions are studied in a plug flow reactor at 323, 333 and 343K …