Improvement of conditions for precipitation of citric acid from fermentation mash
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application of upfc based on svpwm for power quality improvement
در سالهای اخیر،اختلالات کیفیت توان مهمترین موضوع می باشد که محققان زیادی را برای پیدا کردن راه حلی برای حل آن علاقه مند ساخته است.امروزه کیفیت توان در سیستم قدرت برای مراکز صنعتی،تجاری وکاربردهای بیمارستانی مسئله مهمی می باشد.مشکل ولتاژمثل شرایط افت ولتاژواضافه جریان ناشی از اتصال کوتاه مدار یا وقوع خطا در سیستم بیشتر مورد توجه می باشد. برای مطالعه افت ولتاژ واضافه جریان،محققان زیادی کار کرده ...
15 صفحه اولGenetic Algorithmic Optimization of Physical Operating Conditions in Citric Acid Fermentation
The Present work reports an economic and higher yield production of Citric acid by aerobic submerged fermentation of sucrose using Aspergillus Niger-NCIM 705. Regression analysis was carried out for the Univariate search experimental data using DATAFIT software to evaluate the degree of effect of each of the variables: Initial sucrose Concentration, Fermentation Temperature, Stirrer speed, oxyg...
متن کاملInhibition of aluminum oxyhydroxide precipitation with citric acid.
Citric acid has been shown to act as an agent for increasing the solubility of aluminum oxyhydroxides in aqueous solutions of high (>2.47 mol/mol) hydroxide-to-aluminum ratios. Conversely, citric acid also colloidally stabilizes particles in aqueous suspensions of aluminum-containing particles. Solutions of aluminum chloride, with and without citric acid added, were titrated with NaOH(aq). The ...
متن کاملChemical Regeneration of Exhausted Granular Activated Carbon Used in Citric Acid Fermentation Solution Decoloration
An improved chemical regeneration of the granular activated carbon (GAC) exhausted by the color (pigments and pollutants) from citric acid fermentation solution (CAF) was investigated. In the experiments, improved means were adopted to advance the traditional chemical regenerating method and the adsorption capacity of the first time renewed GAC is 103% of original GAC. Using oxidan...
متن کاملApplication of Plackett Burman Design for Citric Acid Production from Pretreated and Untreated Wheat Straw
A solid state fermentation method was used to utilize wheat straw as substrates for citric acid production by using Aspergillus niger ATCC 9142. The Plackett Burman design (PBD) of experiments was used to test the relative importance of the variables affecting production such as moisture content, age of spore, inoculum size, initial pH of substrate, methanol conce...
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ژورنال
عنوان ژورنال: Biotechnology and Bioengineering
سال: 1975
ISSN: 0006-3592,1097-0290
DOI: 10.1002/bit.260170910