the buffalo new york case study

... keep the temperature of the autoclave and the dyestuff vessel constant during the complete process cycle In this case, only the temperature of the dyed goods, the interior of the autoclave and the ... practical use Due to the very short contact times between the dyeing medium and the dyes in the dyestuff vessel, saturation of scCO2 with the dyes is nearly impossible Therefore, a theoretical model ... after scCO2 dyeing For the transfer of a new process into industry, it is essential, that the field of application is broad and the quality of the products produced with the new technology must...

Ngày tải lên: 12/08/2014, 02:22

... solvent contamination of the final products The high cost of organic solvents and the increasingly stringent environmental regulations together with the new requirements of the medical and food industries ... expansion of the liquid and consequently the reduction of the dissolution power of this liquid and the existence of large supersaturations and thereby the formation of small solute particles Another ... 1998, 2000) The combined extraction/adsorption operation resulted in the removal of more than 97% of the cholesterol in the original butter oil (Table 2) The operation has also resulted in the generation...

Ngày tải lên: 31/03/2014, 22:20

... Rights Reserved Figure 10 Shift of the maximum of the CT emission as a function of the polar parameter of the solvent The open circle shows the data obtained in the liquid solvent: (1) bromobenzene, ... (6) where Vp is the volume of the probe molecule, kB is the Boltzmann constant, T is the temperature in K, and f and C are correction factors The factor f corrects for the shape of the probe molecule, ... increasing in the liquid-like region, in the manner predicted by the dielectric continuum theory To account for the characteristic density dependence of the spectroscopic (and other) responses...

Ngày tải lên: 02/04/2014, 15:48

... the beaker was allowed to settle for 30 minutes and the supernatant was collected for analysis The parameters measured for the supernatant were COD and pH 2.4.2 Chemical oxidation study The study ... of batch adsorption study were processed to develop the Freundlich, Langmuir and BET isotherm and find out the appropriate kinetics The respective isotherm expressions and their linearized forms ... part of evaluation of the kinetics of adsorption the data have been arranged to develop the Freundlich, Langmuir and BET isotherm for the COD removal by the adsorbent (C.B.C.) The plots of Freundlich,...

Ngày tải lên: 05/09/2013, 17:03

... give signals in the FID 10 GC Detectors: Thermal Conductivity  Thermal conductivity  detector (TCD): a nonselective detector like the FID Also known as the katherometer (catherometer) or “hot ... usually a uniform liquid coating on the wall (open tubular) or particles (packed) – When the polarity of the stationary phase matches that of the analytes, the low-boilers come off first… – Bonded/cross-linked ... chromatography – chromatography using a gas as the mobile phase and a solid/liquid as a stationary phase – In GC, the analytes migrate in the gas phase, so their boiling point plays a role – GC is...

Ngày tải lên: 27/06/2014, 01:20

... structure Like other animal fibers silk does not conduct heat, and acts as an excellent insulator to keep our bodies warm in the cold weather and cool in the hot weather The flat surfaces of the fibrils ... cotton, where the highly alkaline conditions employed in their application not damage the fibre In the case of wool, however, the propensity for alkaline damage during dyeing makes their use less ... filled with liquor, the air in the pot was mixed with the liquor 2.4 Preparation of the dye vat by reduction The vat pigments were converted to the water-soluble leuco form by the following methods...

Ngày tải lên: 29/06/2014, 08:20

... either Neanderthal man or the ancient Egyptians considered the toxicological aspects of the colorants they used Until the late nineteenth century, all the colorants were obtained from nature The ... amino-group In both cases, the Nhydroxylated intermediate is formed The electrophilic species is formed either by acylation of the hydroxyl group (formation of the sulphate ester in the example shown) ... knowledge is the reason for the recommendation of the German MAK Kommission to handle the dyes in the same way as the amines which can be released under reducing conditions Subsequently, the German,...

Ngày tải lên: 12/08/2014, 02:22

... introduced In addition to the quantities of dye required, a commercial dyeing recipe includes all the other variables that are under the dyer’s control These include the additives to the dyeing (auxiliary ... agents etc.), the time/temperature profile and the liquor ratio Some of these may be dictated by the machinery available, for example, the liquor ratio and the degree of agitation These in turn ... minimise the use of auxiliaries: it reduces cost, and reduces the environmental load In many dyeing processes, a proportion of the dye remains in the bath at the end of the process, along with the...

Ngày tải lên: 12/08/2014, 02:22

... These different mechanisms determine the colour retained by the fibre material and that released into the wash liquor on completion of dyeing The better the fixation mechanism, the lower is the ... spinning mill should perform the incoming quality control check to eliminate as far as possible the heavy metals in their effluent In the case of synthetic fibres, the added spin finishes must ... organisms.8 The extremely low concentrations of these metals make their removal/recovery from wastewater not only difficult but also uneconomical They, therefore, either become part of the sludge...

Ngày tải lên: 12/08/2014, 02:22

... and, therefore, if the catalytic route is followed, the pH of the effluent collected at the holding tank should be adjusted to the required pH before pumping it to the ozonation reactor 7.4.4 The ... active centre of the enzyme into solution.51 Then they form dimers and trimers with the organic molecules, which ultimately result in the formation of water-insoluble oligomers.51 The colour removal ... little contribution to the COD load in the effluent of textile finishing plants, other additives being more important in this respect There is also debate about the fate of the ozonation metabolites...

Ngày tải lên: 12/08/2014, 02:22

... in their field They have contributed the chapters which bring together the variety of topics addressed in the book, selected to give as broad coverage of the issues as possible Nevertheless, the ... may either be attributed to the protection of the enzyme against being inactivated by hydrogen peroxide or to the completion of the oxidation-reduction cycle of the lignin peroxidase rather than ... Gübitz, 2005) The ease of elimination of a dye is strongly related to its solubility The more sulfonic acid groups are present in the dye structure, the more soluble and, therefore, the less responsive...

Ngày tải lên: 12/08/2014, 02:22

... for the dyestuff and the padded fabric is maintained at elevated temperatures to fix the dye The advantages of the process include improved dye prefixation, improved migration of the dye into the ... mixture in the tray in any pattern you wish Use a comb, chopsticks, or any tool to swirl and spread the dye into any pattern desired Place a piece of the prepared fabric on the surface of the shaving ... for to 24 hours to develop the dye The piece needs to remain moist for the activation to take place Rinse fabric in cool running water to remove the soda ash, and then increase temperature to...

Ngày tải lên: 06/08/2015, 13:09

... back of winch tank is the winch wheel, which pulls the fabric rope from the dye bath over the jockey reel for dropping in the dye bath for immersion From the dropped location, the fabric rope travels ... located in the top side of the machine where the fabric is hanged A longer length of textile is made to hang from the exit side of the winch as compared to the inlet side By applying the force ... duration of the process is measured on the basis of the number of passages or ends of the fabric passing through the dye bath from roller to roller The end in dyeing parlance is known as the passing...

Ngày tải lên: 11/08/2015, 00:04

Ngày tải lên: 21/02/2014, 16:20

Ngày tải lên: 08/03/2014, 13:20

... condition, the bed weight less the weight equivalent to buoyancy is just balanced by the drag due to the upward flow of the fluid In other words, the distributor plate or the grid which supports the ... defined as the diameter of the sphere that has the same volume as the actual particle, then the shape factor (λ) is given by: 23 1 Vp = Φs = 5.205 S p λ (1.17) If j is the ratio of the particle ... intraparticle voids, then the density calculated on this basis is the apparent density If ρt is the true or theoretical density and ρa is the apparent density for the same mass, then a simple relationship...

Ngày tải lên: 02/04/2014, 14:57

... estimate the baseline creatinine Table solves the MDRD equation for the lower end of the normal range (i.e 75 ml/min per 1.73 m2) Note that the MDRD formula is used only to estimate the baseline ... Models should be chosen on the basis of their relevance to the clinical situation, and not merely by the reproducibility of the model Similar baseline characteristics of the experimental groups ... simulated therapy sessions that both train and assess the skills of the nurses The human–machine interaction can also be improved Machine displays should make it easy for the provider to detect the...

Ngày tải lên: 12/08/2014, 20:20

... Meaning of W.S.T W.S.T means Water Saving Technology It is a new concept which we have implemented the complexity from the Fiber & Yarn to the RMG (ready made garments) - No investment is required ... significant reduction of water, power, CO2, & also the cost - It will also meet the environmental compliances for the industries Fiber & Yarn: The fiber & yarn should be selected under such condition ... fabric, no chance for needle holes doing sewing ● The fastness is becoming half grade better ● Last but not the least we are avoiding the spirality of the RMG Highlight of using compacted yarn: we...

Ngày tải lên: 30/07/2015, 10:34

... net inside the vessel and the solid, pure dye was placed on the bottom of the vessel A ratio of 1.5% dye omf was used When the system reached the desired temperature and pressure, the liquid ... each other so for a mixture a single phase can be guaranteed if the critical point of the mixture is exceeded The critical point of a binary mixture can be estimated as the arithmetic mean of the ... disperse dye to diffuse and penetrate the pore and capillary structure of the fibres The viscosity of the dye solution is lower, making the circulation of the dye solutions easier and less energy...

Ngày tải lên: 06/08/2015, 13:08