Study on Fumaric Acid Production by Biological

Fumaric acid an important tetracarbon intermediate compound has been widely used in many fields such as food pharmaceutical and chemical industries The production of fumaric acid from biological fermentation has attracted more and more attention due to its environmental friendliness and lower cost This paper mainly summarizes and discusses the development of cheap material exploitation

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LC

Compensation voltage (CoV) ramps for maleic and fumaric acid best separation and highest selectivity was achieved using CoV of -8 0 V and -10 5V respectively Figure 7 Selective detection of maleic acid and fumaric acid using LCDMS-MS/MS the added selectivity resulted in lower background noise and interferences and increased confidence in

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Fumaric acid: production and separation

Fumaric acid is a valuable compound used in foods beverages detergents animal feed pharmaceuticals and miscellaneous industrial products It is produced on a large scale by the petrochemical route but the current tendency is towards implementing "green production" and environmental friendly technologies like biotechnological production of fumaric acid using low-cost

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Screw Discharge PWC Chemical Centrifuge Worm

Screw Discharge PWC Chemical Centrifuge Worm Centrifuge for Fumaric Acid All Products Separator - Centrifuge (121) Decanter Centrifuges (116) Automatic Separation Chemical Centrifuge: In the process of production you were hotness to invite me to visit your factory If i have any other requirements in the future i will buy again

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Method of preventing precipitation of fumaric acid when

FIELD: chemistry SUBSTANCE: invention relates to an improved method of preventing precipitation of fumaric acid when producing maleic acid anhydride comprising the following steps: a) absorption of maleic acid anhydride from the mixture of products obtained as a result of partial oxidation of benzene olefins having 4 carbon atoms and n-butane in an organic solvent or water as an absorbent

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Production of Citric Acid by Fermentation

10/29/2018The production of citric acid by Candida is generally accompanied by a simultaneous accumulation of isocitric acid According to Tabuchi et al (1973) the activities of aconitase and NAD- or NADP-linked isocitrate dehydrogenase do not decrease much throughout the period of citrate fermentation when C lipolytica is grown in a medium containing

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Tartaric acid

Tartaric acid is a white crystalline organic acid that occurs naturally in many fruits most notably in grapes but also in bananas tamarinds and citrus Its salt potassium bitartrate commonly known as cream of tartar develops naturally in the process of winemaking It is commonly mixed with sodium bicarbonate and is sold as baking powder used as a leavening agent in food preparation

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Production of lactic acid and acidic acid

4/6/2015Production of lactic acid and acidic acid 1 PRODUCTION OF LACTIC ACID AND ACETIC ACID 2 ACETIC ACID Acetic acid (CH3 COOH molecular weight of 60 05) Principal constituent of vinegar The first vinegar was spoiled wine Consisting the Latin word acetum means sour or sharp wine Also known as : ethanoic acid ethylic acid vinegar acid and methane carboxylic acid Glacial acetic acid

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Review/Derleme Fermentative Organic Acid Production and

Fermentative Organic Acid Production and Separation Adile Evren TUGTAS* Marmara University Department of Environmental Engineering 34722 Goztepe Istanbul Turkey Abstract Anaerobic digestion processes offer several benefits over aerobic ones such as higher organic loading rates and energy production in the form of methane

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Oil and Gas Production Wastewater: Soil Contamination

During oil and natural gas production so-called "produced water" comprises the largest byproduct stream In addition many oil and gas operations are augmented via injection of hydraulic fracturing (HF) fluids into the formation Both produced water and HF fluids may contain hundreds of individual chemicals some known to be detrimental to public health and the environment

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Jianing Song

Liu Y Song J Tan T Liu L : Production of fumaric acid from L-malic acid by solvent engineering using a recombinant thermostable fumarase from Thermus thermophilus HB8 Appl Biochem Biotechnol 175(6):2823-2831 2015 PMID: 25561060 Huang ZB Song JN Liu L Tan TW : Expression and activity characterization of acryloyl-coenzyme A synthase in

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Synthesis of Fumaric acid and Maleic Acid from Succinic Acid

Fumaric acid is used as a food acidulant and as a raw material in the manufacture of unsaturated polyester resins quick-setting inks furniture lacquers paper sizing chemicals and aspartic acid Previous production of fumaric acid has required use of undesirable compounds like bromine sulfur and hydrochloric acid through the years

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Fermentation

This adsorption can be also performed using ion-exchange resins like IRA-900 in fact the use of intermittent in-situ removal of the acid from the broth coupling the bioprocess with the separation unit allowed for a 25% increase in fumaric acid yield and an even higher increase in productivity as the acid is an inhibitor of its own

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PREPARATION OF FUMARIC ACID BY ISOMERIZATION OF

Fumaric acid was prepared by catalystic isomerisation of maleic acid from the by-product of phthalic anhyd-ricide production under reaction temperature 60-80C reaction time 0 5-3h The result showed that total acid of product≥99 5% m p 298C color scale(Pt-Co)≤10 yield of product65%(w)

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Integrated separation process for isolation and

Biotechnologically produced succinic acid has the potential to displace maleic acid and its uses Therefore it is of high interest for the chemical pharmaceutical and food industry In addition to optimized production strains and fermentation processes an efficient separation of succinic acid from the aqueous fermentation broth is

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Carboxylic Acid Production

fungal carboxylic acid production in their study on fumaric acid production by Rhizopus arrhizus The focal point of the investigation was the effect of the fungal morphology on productivity and yield The authors found that higher titers and yields were obtained with dispersed mycelia rather than pellets

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Determination of fumaric acid maleic acid and phthalic

article{osti_7001124 title = {Determination of fumaric acid maleic acid and phthalic acid in groundwater and soil} author = {Dietz E A and Singley K F} abstractNote = {When present at 1 [mu]g/mL each title compound was determined in groundwater by ion-exclusion chromatography after sample acidification and filtration For groundwater with one or all analyte concentrations of 1 [mu

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Laboratorij za bioseparacijske procese

All of the mentioned processes will be individually experimentally optimized mathematically modelled and simulated Continuous production of L-malic acid with in-situ product separation will be conducted at optimal process conditions and volumetric productivity will be compared to the classic and integrated biotransformation processes

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Efficient in situ separation and production of l

These results indicated that in situ separation and produc value (3 8) of lactic acid the production of lactic acid would decrease the pH of medium and lead to the growth arrest of microbe and the decline of production rate at the end [7 ] Therefore an alkaline neutralizing

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Method of preventing precipitation of fumaric acid when

FIELD: chemistry SUBSTANCE: invention relates to an improved method of preventing precipitation of fumaric acid when producing maleic acid anhydride comprising the following steps: a) absorption of maleic acid anhydride from the mixture of products obtained as a result of partial oxidation of benzene olefins having 4 carbon atoms and n-butane in an organic solvent or water as an absorbent

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