Results 71 to 80 of about 1,507,914 (357)

Clean synthesis of adipic acid from cyclohexene in microemulsions with stearyl dimethyl benzyl ammonium chloride as surfactant: From the laboratory to bench scale [PDF]

open access: yes, 2012
Adipic acid, HOOC(CH2)4COOH, is a white crystalline solid used primarily in the manufacture of nylon-6,6 polyamide. In industry, adipic acid is mainly produced by oxidation of cyclohexane with air and nitric acidfollowing a homogeneous two-step route ...
Cognet, Patrick   +3 more
core   +3 more sources

Hands‐on protocol for preparing water‐soluble fractions from agri‐food samples for NMR‐based metabolomics analysis

open access: yesFEBS Open Bio, EarlyView.
This research protocol outlines a workflow for nuclear magnetic resonance (NMR)‐based metabolomics in the agri‐food sector. Using two case studies—strawberry leaves (solid matrix) and wine (liquid matrix)—it details the procedures for sample preparation, data acquisition, and processing.
Andrea Fernández‐Veloso   +4 more
wiley   +1 more source

Application status and research progress of shale reservoirs acid treatment technology

open access: yesNatural Gas Industry B, 2016
In recent years, shale oil and gas development has been thriving in China. However, the shale oil and gas production always suffers a rapid decline. Based on the analysis of a large amount of former theories and experiences, a summary of acid treatment ...
Nianyin Li   +5 more
doaj   +1 more source

Mitigating Carbon Dioxide Impact of Industrial Steam Methane Reformers by Acid Gas to Syngas Technology: Technical and Environmental Feasibility

open access: yesJournal of Sustainable Development of Energy, Water and Environment Systems, 2020
The aim of this work is to evaluate the potential application of a new sustainable technology, called Acid Gas to Syngas, on steam reforming process in order to reduce the carbon dioxide emissions.
Andrea Bassani   +5 more
doaj   +1 more source

Effect of non-solvent additives on the structure and performance of PVDF hollow fiber membrane contactor for CO2 stripping [PDF]

open access: yes, 2012
Microporous polyvinylidene fluoride (PVDF) hollow fiber membranes with various non-solvent additives, i.e. lithium chloride, glycerol, polyethylene glycol (PEG-400), methanol and phosphoric acid, were fabricated for CO2 stripping via membrane contactors.
Ismail, Ahmad Fauzi   +2 more
core   +3 more sources

Understanding bio‐based polymers: A study of origins, properties, biodegradation and their impact on health and the environment

open access: yesFEBS Open Bio, EarlyView.
This review provides an overview of bio‐based polymer sources, their unique functional properties and their environmental impact, and addresses their role as sustainable alternatives. It discusses end‐of‐life options, including composting and anaerobic digestion for renewable energy.
Sabina Kolbl Repinc   +8 more
wiley   +1 more source

Combustive approach for measuring total volatile phosphorus content in landfill gas [PDF]

open access: yes, 2005
A technique was developed to measure the total gaseous phosphorus content in biogas. The amount of air needed for a neutral to oxidising flame was mixed with the biogas.
ROELS, Joris   +2 more
core  

Kinetic multi-layer model of aerosol surface and bulk chemistry (KM-SUB): the influence of interfacial transport and bulk diffusion on the oxidation of oleic acid by ozone [PDF]

open access: yes, 2010
We present a novel kinetic multi-layer model that explicitly resolves mass transport and chemical reaction at the surface and in the bulk of aerosol particles (KM-SUB). The model is based on the PRA framework of gas–particle interactions (P¨oschl et al.
Pfrang, C., Poschl, U., Shiraiwa, M.
core   +2 more sources

Dihydroorotate dehydrogenase (DHODH) regulates trophoblast syncytialization through organelle stress–induced cellular senescence

open access: yesFEBS Open Bio, EarlyView.
The inhibition of mitochondrial dihydroorotate dehydrogenase (DHODH) impairs syncytialization and induces cellular senescence via mitochondrial and endoplasmic reticulum stress in human trophoblast stem cells, elevating sFlt1/PlGF levels, a hallmark of placental dysfunction in hypertensive disorders of pregnancy.
Kanoko Yoshida   +6 more
wiley   +1 more source

Design and feasibility of acid gas reinjection with corrosion mitigation: A case study from Tahe Oilfield, China

open access: yesResults in Engineering
This paper presents a comprehensive overview of the pioneering acid gas reinjection and geological storage project implemented in China. The study uses acid gas dehydration via compression and propane refrigeration dehydration techniques to prevent ...
Shijian Lu   +8 more
doaj   +1 more source

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