process design for the production of ethanol from ethylene

... of the polysaccharide fraction into monomeric sugars that are converted into ethanol The objective of this study was to examine the feasibility for the production of ethanol from mango peel The ... by the cost of the raw materials It accounts for more than half of the production costs To achieve a lower production cost, the supply of cheap raw material is thus a necessity Production of ... with the growth of the concentration of acid The catalyst activity was proportional to H+ concentration The more hydrogen ions were formed in the solution, the more rapid the hydrolysis process

Ngày tải lên: 06/10/2015, 13:05

... 1 gm of the food sample Dilutions were made from 10-1 to 10-6, these dilutions were used in the plating for the isolation of micro-organisms Spread plate method was used for isolation of the bacteria, ... the help of a swab After 5 minutes of incubation, 6 mm diameter well was punched in the plates with the help of sterile cork borer, 80 μl of the inoculum of the test organism was added into the ... (2004) The mode of inhibition of bacteriocins depends on the available bio-concentration, and on the nature and the physiological stage of the target strain In general bacteriocins of bacteriolytic

Ngày tải lên: 14/01/2020, 03:53

... used for comparative studies to find the appropriate basal nutrient medium for the further formulation of the optimal medium Optimisation of fermentation conditions The optimum conditions for ... all the reagents but the reaction was terminated prior to the addition of enzyme extract One unit of xylanase activity was defined as the amount of enzyme catalysing the release of 1 μmol of reducing ... xylanase production Streptomyces sp ER1 isolated from the sediments of Cochin estuary was used for xylanase production The cultural and nutritional conditions for higher xylanase production using the

Ngày tải lên: 14/01/2020, 13:36

... measured for 5 min, and the relative A 660 against the control test was calculated every minute using the following formula: testcontrolofA testngflocculatiofA ArelativeThe 660 660 660 = For the control, ... 95 ml). The A 280 to A 260 ratio of the UV-absorbing peak indicated it was composed mainly of nucleic acid. In the profile of the NaOH-extracted polymer (B), the elution volume (80 ml) of saccharide ... buffer at a flow rate of 9 ml/h and 5 ml fractions were collected. The void volume of the column was determined by the elution of Blue Dextran (Pharmacia). Other analyses. Journal of Water and Environment

Ngày tải lên: 05/09/2013, 09:08

... Trang 1Design for the Wisdom of CrowdsDerek Powazek, SXSW Interactive, 15 March 2009 James Surowiecki is a genius. ... Design for Selfishness Result Aggregation Trang 10Small Simple TasksTrang 11hotornot.comTrang 12threadless.com/submission/197749Trang 13newsassignment.netTrang 14Large Diverse GroupsTrang 16Design ... Emailed StoriesTrang 5P2P File SharingTrang 6Stock MarketThanks toothpastefordinner.com Trang 7Thanks xkcd.comTrang 8Elements of Wise Crowds (Surowiecki)Diversity Independence Decentralization Aggregation

Ngày tải lên: 10/06/2014, 09:49

... those of Ghanaian cocoa Cocoa is graded on the basis of the count of defective beans in the ‘cut test’ The cut test reveals the presence of certain defects which may cause off-flavours ... each of the box sizes and the heap fermentation. This indicates the suitability of a range of box sizes and heap fermentations. THE EFFECT OF POD STORAGE Pod storage is convenient for farmers ... time on the percentage of fully brown beans in the cut test. 6: The effect of spreading of beans for two hours, prior to placement in boxes, on fermentation temperatures. 7: The effect of spreading

Ngày tải lên: 21/06/2014, 06:20

... at the foot of these mountain areas to provide telemedicine to mountain climbers for more than 3 years [20–22] These mountain huts are located in the Japan Alps at an altitude of 3000 m or thereabout, ... video images of victims being sent over the wireless LAN network from the devastated areas, administer aid to patients In the case of Japan, paramedics are limited to the degree that they can treat ... decode of video and audio sig-nals The live video images and sounds sent from the portable video-transmission system are received at the base station in the main drill site, and are then sent to the

Ngày tải lên: 22/06/2014, 06:20

... has been the focus of attention in immunotherapy and immunodiagnosis, since the birds can actively transfer immunoglobulin G (IgG) to the egg yolks of their offsprings in the same levels of concentration ... yolk was separated from the egg white and homogenized after mixing with an equal volume of PBS The homogenized egg yolk was then mixed with two volumes of chloroform and incubated for 2 hrs at room ... 27, 30) The use of chicken antibody for large scale production of antibodies to mammalian pathogens offers several advantages such as; animal welfare, low costs in production and safety for dangerous

Ngày tải lên: 07/08/2014, 15:20

... (C3, C4 and C5) The power is given as a function of the ratio u of Trang 7the number of the number of F2 + backcross individuals, for the 3 situations considered with respect to the t parameter: ... is the opposite of the homoskedastic case where the non-segregating populations were useful This result shows that the information in the non-segregating population derives from the level of the ... compare different experimental designs for their power to detect a major gene using a maximum likelihood approach The optimal design is most often the production of F2 as the only segregating genetic

Ngày tải lên: 09/08/2014, 18:21

... increases the overall cost of the process Apart from the low yields and productivity due to solvent toxicity, the high cost of the fermentation substrates for ABE fermentation is another area of concern ... The combination of these methods were aimed to address the issues of low butanol yield and high production cost of biobutanol production The factors affecting the production of gellan gum microspheres ... than that of the free cells in subsequent cycles Significant cell leakage from the microspheres was observed at the end of the fermentation process The microspheres served as nurseries for the generation

Ngày tải lên: 08/09/2015, 18:41

... by use of the large heat of reaction and the reversibility of this reaction system [2,3] One of the major problems encountered in the application of this process is rapid deactivation of the catalyst, ... (Table3) 5 On the unique stabilitycharacteristics of the Ni=La2O3catalyst One of the major problems encountered in the process of reforming of methane with carbon dioxide to synthe-sis gas over ... totally the surface of the Ni crystallites) The fact that the reaction rate is increased dur-ing the initial hours of time on stream could be explained by a slow process of establishment of the ‘equilibrium’

Ngày tải lên: 03/04/2018, 20:27

... concerned with the furnishing of information or data, the compilation or any translation, publishing, supply or sale of the document] for the accuracy of any information or advice given in the document ... MARINE FORUMGUIDELINES FOR THE PROTECTION OF PERSONNEL FROM EXPOSURE TO BENZENE VAPOURS AUGUST 1995 The OCIMF mission is to be recognised internationally as the foremost authority on the safe ... concentrations of benzene vapour may lead to chronic disorders of the blood and bone marrow There is therefore a necessity to ensure that personnel are not exposed to hazardous concentrations of benzene

Ngày tải lên: 09/04/2019, 14:56

... that the pH of the medium affects the solubility of metal ions and the concentration of the counter ions on the functional groups of the adsorbent, so pH is an important parameter affecting the ... Fe-XOW for the removal of arsenic Only 50– 60% of arsenic removal was achieved from the water sample which is less than arsenic removal from the synthetic solution This low arsenic removal from the ... Freundlich isotherm q max (mg/g) b(L/mg) R 2 K(mg/g) 1/n R 2 The more favorable adsorbent is indicated by the higher value of slope of an isotherm From the slope, the maximum adsorption capacity of Fe

Ngày tải lên: 13/01/2020, 04:27

... identify the best media profile for the enhanced production of Butyrolactone I from A, terreusstrains Harvesting of fungal biomass After the incubation period the fungal biomass in the culture ... in the production of secondary metabolites In fermentation process, most of the carbon, nitrogen, phosphate and amino acid sources needed for fungal growth interfere with the biosynthesis of ... concentrations of KH2PO4 from 0.05 to 1.0% were tested for its effect on the production of Butyrolactone I Process optimization studies The fermentation or culture conditions like, pH of the medium,

Ngày tải lên: 14/01/2020, 15:40

... assessment of all lesions They redefined the category of ABVS and the score of UE of every lesion and identified the nature of lesions with both the morphological and the stiffness details Therefore, the ... width, and radiofrequency sampling rate Furthermore, the thickness of the breast and the depth of the lesions play a decisive role on the quality of elasticity images, which could affect the diag-nostic ... design of the study, the statistical analysis and the writing of the manuscript XYD performed the ultrasound examinations and data collection XYD and YB performed the independent evaluation of ABVS

Ngày tải lên: 30/09/2020, 14:45

... represents the dependence of the intensity of the infrared absorption of the analyte on wavenumbers or wavelengths On the infrared spectrum, the horizontal axis represents the wavelength (μm) or the ... The result of that would lead to the analyte absorbing part of the energy and reduces the intensity of the incident ray At this time, the molecule will make Trang 28IR spectra usually is performed ... antibiotics, their residues in environment promoted the formation and the development of antibiotic resistant microorganisms These antimicrobial agents may disturb the microflora of the human intestinal

Ngày tải lên: 24/12/2020, 22:40

... represents the dependence of the intensity of the infrared absorption of the analyte on wavenumbers or wavelengths On the infrared spectrum, the horizontal axis represents the wavelength (μm) or the ... The result of that would lead to the analyte absorbing part of the energy and reduces the intensity of the incident ray At this time, the molecule will make Trang 28IR spectra usually is performed ... antibiotics, their residues in environment promoted the formation and the development of antibiotic resistant microorganisms These antimicrobial agents may disturb the microflora of the human intestinal

Ngày tải lên: 04/02/2021, 07:23

... replicates, at the center points The center points defined the experimental error and reproducibility of the data The codification of the levels of the independent variable consists of transforming ... temperature of 100 oC, the time of reaction of 135 minutes, and the Na2SO3/lignin ratio of 0.5 The corresponding reaction conditions for the highest NaLS content is at the temperature of 100 oC, the ... respectively Therein, the highest yield of sulfomethylation (97.2 %) is obtained at the temperature of 80 oC, the time of reaction of 240 minutes, and the Na2SO3/lignin ratio of 0.5 or at the temperature

Ngày tải lên: 28/06/2021, 15:47

... considered the best substrates for the SSF processes, and use of SSF for the production of enzymes is no exception to that A number of such substrates have been employed for the cultivation of microorganisms ... focuses on the production of various industrial enzymes by SSF processes Following a brief discussion of the micro-organisms and the substrates used in SSF systems, and aspects of the design of fermenter ... has profound impact on the physico-chemical properties of the solids and this, in turn, affects the overall process productivity Aspects of design of fermenter for enzyme production in solid state

Ngày tải lên: 15/08/2022, 11:03

... 39.42 From the calculations derived in Appendix A, the energy demand for the modified pulping section of the plant is 56 MW of electricity and 267 tonnes per day of steam. The demand for the ... useful for further study on the behavior of black liquor and coal mixtures in entrained flow reactors, the chemical behavior of the solid product, and the implications for industrial uses of these ... processes. Sodium from black liquor is typically recovered from the recovery boiler and recycled to the digester, improving the economics of the pulping process. The effects of adding black liquor...

Ngày tải lên: 26/02/2014, 14:20