Persephonella atlantica sp. nov.: How to adapt to physico-chemical gradients in high temperature hydrothermal habitats

Laboratory-scale carbon anodes were produced by a new method of high-temperature mould pressing, and their physico-chemical properties were studied in laboratory. The results showed that the bulk density of carbon anodes produced by high-temperature mould pressing are 1.61-1.63g/cm3, they are higher than industrial carbon anode by 0.06 g/cm3, but the specific electrical resistance is higher and crushing strength is lower.

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Quality Characteristics and Standards for Sunflower Oil from Arad Agricultural Area

Bulletin of University of Agricultural Sciences and Veterinary Medicine Cluj-Napoca Agriculture ◽

10.15835/buasvmcn-agr:6582 ◽

2011 ◽

Vol 68 (2) ◽

Author(s):

Claudia MUREŞAN ◽

Anca Mihaela DICU ◽

Virgil CIUTINA ◽

Dorina CHAMBRE ◽

Claudiu URSACHI

Keyword(s):

Fatty Acid ◽

High Temperature ◽

Peroxide Value ◽

Sunflower Oil ◽

Quality Characteristics ◽

Conjugated Dienes ◽

Chemical Parameters ◽

Physico Chemical ◽

Specific Absorbance ◽

Conjugated Dienes And Trienes

The purpose of this study was to determine the unsaturated fatty acid compounds of studied oils, physico-chemical parameters, and the behavior of the four oil types during oxidation and heating. This is a part of a large study effectuated on Carnia sunflower hybrids, PR64H91, PR65A22 and PR64H45 obtained through cold pressing. We followed the evolution of the UV absorption correlated with the peroxide value. The peroxide value has been presented an increased value in the first 12 heating hours, but after this period of time, it has been decreased due to the high temperature instability of the early formed hydro-peroxides. The absorbance between 220-230 nm and the specific absorbance on 232 and 270 nm (characteristic of the conjugated dienes and trienes) have increased along the experiment period. The results were compared with those from regular sunflower oil.

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Poly(2,5-Benzimidazole) Membranes: Physico-Chemical Characterization and High Temperature PEMFC Application

ECS Meeting Abstracts ◽

10.1149/ma2011-02/16/996 ◽

2011 ◽

Keyword(s):

High Temperature ◽

Chemical Characterization ◽

Physico Chemical

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Physico-chemical gradients and meromictic stratification in Cueva de la Mora and other acidic pit lakes of the Iberian Pyrite Belt

Mine Water and the Environment ◽

10.1007/s10230-008-0059-z ◽

2009 ◽

Vol 28 (1) ◽

pp. 15-29 ◽

Cited By ~ 31

Author(s):

Javier Sánchez España ◽

Enrique López Pamo ◽

Marta Diez ◽

Esther Santofimia

Keyword(s):

Iberian Pyrite Belt ◽

Chemical Gradients ◽

Physico Chemical ◽

Pit Lakes

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Biological removal of NOx from flue gas

Water Science & Technology ◽

10.2166/wst.2004.0353 ◽

2004 ◽

Vol 50 (6) ◽

pp. 9-15 ◽

Cited By ~ 12

Author(s):

R. Kumaraswamy ◽

G. Muyzer ◽

J.G. Kuenen ◽

M.C.M. Loosdrecht

Keyword(s):

High Temperature ◽

Nitrogen Oxides ◽

Flue Gas ◽

Biological Process ◽

Complex Reaction ◽

Reaction Sequence ◽

Biological Removal ◽

Physico Chemical

BioDeNOx is a novel integrated physico-chemical and biological process for the removal of nitrogen oxides (NOx) from flue gas. Due to the high temperature of flue gas the process is performed at a temperature between 50-55°C. Flue gas containing CO2, O2, SO2 and NOx, is purged through Fe(II)EDTA2- containing liquid. The Fe(II)EDTA2- complex effectively binds the NOx; the bound NOx is converted into N2 in a complex reaction sequence. In this paper an overview of the potential microbial reactions in the BioDeNOx process is discussed. It is evident that though the process looks simple, due to the large number of parallel potential reactions and serial microbial conversions, it is much more complex. There is a need for a detailed investigation in order to properly understand and optimise the process.

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