supercritical fluid textile dyeing technology

... al., 1987) © 2007, Woodhead Publishing Limited Supercritical fluid textile dyeing technology 97 In 1988, the first patent focused on dyeing of textile substrates in pure scCO2 and the application ... for dyeing of PET using water and scCO2 (Bach et al., 2002a, modified) © 2007, Woodhead Publishing Limited Supercritical fluid textile dyeing technology 101 of spinning oils, followed by dyeing ... temperature on dyeing acrylic fibres with basic dyes in supercritical carbon dioxide’, Color Technol, 121(1), 25–28 © 2007, Woodhead Publishing Limited Supercritical fluid textile dyeing technology...

Ngày tải lên: 12/08/2014, 02:22

... advantage of supercritical fluid analytical techniques The Use of Supercritical Fluid Extraction Technology in Food Processing R.S Mohamed and G.A Mansoori Featured Article - Food Technology Magazine, ... BIO /TECHNOLOGY, 6, 393-396, 1988 E Martinelli, K Schulz and G.A Mansoori Supercritical Fluid Extraction / Retrograde Condensation with Applications in Biotechnology 451-478, in "SUPERCRITICAL FLUID ... schematic diagram of a supercritical fluid batch extraction The Use of Supercritical Fluid Extraction Technology in Food Processing R.S Mohamed and G.A Mansoori Featured Article - Food Technology Magazine,...

Ngày tải lên: 31/03/2014, 22:20

... Processing with Supercritical Fluids Srinivas Palakodaty, Peter York, Raymond Sloan, and Andreas Kordikowski 13 Preparation and Processing of Nanoscale Materials by Supercritical Fluid Technology ... Chemistry and Fluid Dynamics Clement R Yonker and Markus M Hoffmann Organic Chemical Reactions and Catalysis in Supercritical Fluid Media Keith W Hutchenson Homogeneous Catalysis in Supercritical ... Supercritical Carbon Dioxide Can Erkey Supercritical Fluid Processing of Polymeric Materials Mark A McHugh, J Don Wang, and Frederick S Mandel Surfactants in Supercritical Fluids Janice L Panza and Eric...

Ngày tải lên: 02/04/2014, 15:48

... Manufacturing process of the textile dyeing unit The textile dyeing unit under the present study is situated at North 24 Parganas, West Bengal, India Both the continuous and batch dyeing processes are ... the textile dyeing unit The mode of wastewater generation was studied for two different types of dyeing, namely Jute and Cotton fabric dyeing Separate machines were employed in two types of dyeing, ... the scope of treatment and reuse of reactive dyeing effluents Chaman et al [8] highlighted on various options for biological treatment of textile dyeing effluent and compared its treatability...

Ngày tải lên: 05/09/2013, 17:03

... Supercritical Fluids  Supercritical properties of CO2  The fluid – intermediate between a liquid and a gas  Obtained in a not-so-sudden manner (there is no real transition) Supercritical Fluids ... gas/liquid to a supercritical fluid Meniscus Increasing temp Images from http://www.chem.leeds.ac.uk/People/CMR/criticalpics.html 17 Extractions with Supercritical Fluids  Why use supercritical fluid ... Krukonis, Supercritical Fluid Extraction: Principles and Practice, Butterworth, Stoneham, MA, 1987 Supercritical Fluid Chromatography (SFC)  SFC is the next logical step from SFE  A supercritical fluid...

Ngày tải lên: 27/06/2014, 01:20

... tool in textile dyeing for cleaner production 2.6 Surface modification using nano-particles Nanotechnology has touched every nook and corner of the life and textiles cannot remain aloof Nanotechnology ... interaction of plasma with textile material prior to dyeing is well represented with chapters by Durasevic et al, Souto et al, Deshmukh and Bhat, and Mokbul and Dirk Textile Dyeing will serve as ... conventional reactive dyeing of cotton Colouration Technology, 78, 1478-4408 Pan, N.C., S.N Chattopadhyay and A, Day 2003 Dyeing of jute with natural dyes.Indian J Fibre and Textile Research, 28:339-342...

Ngày tải lên: 29/06/2014, 08:20

... Environmental aspects of textile dyeing Hatch K L and Maibach H I (1998) Textile dyes as contact allergens: Part I’, Text Chem Color, 30(3), 22–29 Hatch K L and Maibach H I (1986) Textile chemical ... the Field of Textile Ecology, which bestows eco-labels on environmentally and toxicologically proven textiles, refuses eco-labels for some dyes (Oko-Tex, 2000) 3.4 Chronic toxicity of textile dyes ... represent a very important class of dyes for dyeing hydrophilic textiles such as cotton and viscose rayon Cotton is the world’s most widely used textile fabric so the tonnages of these water-soluble...

Ngày tải lên: 12/08/2014, 02:22

... process © 2007, Woodhead Publishing Limited 78 4.3.2 Environmental aspects of textile dyeing Level dyeing A level dyeing refers to one in which dye is distributed evenly throughout the substrate ... they are dyed, and is normal in textile printing, but it is relatively unusual in dyeing, © 2007, Woodhead Publishing Limited 80 Environmental aspects of textile dyeing where limited runs of single ... Association of Textile Chemists and Colourists, Proceedings of Symposium Textile solvent technology – update 73, Research Triangle Park NC, 1973 18 Love R B, ‘Use of non-aqueous solvent in textile processing’,...

Ngày tải lên: 12/08/2014, 02:22

... aspects of textile dyeing In summary, it may be stated that significant opportunities exist for preventing pollution in textile dyeing operations Pollution prevention measures in textile dyeing can ... waste minimisation in textile dyeing 139 and does not condense or evaporate to liquid or gas.49 Use of supercritical carbon dioxide technology, which does not require water as a dyeing vehicle, has ... during dyeing are as given below: ∑ ∑ ∑ ∑ ∑ ∑ ∑ ∑ Use of the lowest possible liquor ratio in batch dyeing Optimisation of salt use for each individual dyeing Use of continuous dyeing or pad-batch dyeing...

Ngày tải lên: 12/08/2014, 02:22

... Environmental aspects of textile dyeing Dyebath reuse through decolorisation techniques Dyeing M/C Dyeing M/C Dyeing M/C Dyeing M/C Dyeing M/C Dyeing M/C Dyeing M/C Dyeing M/C This is a more ... each dyeing and ozonated to remove residual colour The recycled water was then reused in subsequent dyeings with the same dyes, after raising its pH to 11 by addition of alkali Five successive dyeing ... Environmental aspects of textile dyeing time for optimum removal of colour were g l–1, 80 mg l–1 Ca2+ and 1–2 days, respectively Although activated sludge is suitable for removal of various textile dyes,...

Ngày tải lên: 12/08/2014, 02:22

... the art on the development of textile dyeing processes using supercritical fluids, notably carbon dioxide Although not as yet exploited on an industrial scale, this technology offers significant ... degradation of a textile dye’, Biotechnol Prog, 17 664–668 © 2007, Woodhead Publishing Limited 226 Environmental aspects of textile dyeing Assadi M M and Jahangiri M R, (2001) Textile wastewater ... Trametes modesta for application in the decolorization of textile dyes’, in Hardin I R, Akin D E and Wilson S J (ed) Advances in biotechnology for textile processing University of Georgia, Athens, Georgia,...

Ngày tải lên: 12/08/2014, 02:22

... processing Technology Link : http://www.facebook.com/pages/Wet-Processing -Technology -Dyeing- /468645219825404 Fashion-Design-and -Technology Link : http://www.facebook.com/pages/Fashion-Design-and -Technology/ 587655294583875?ref=ts&fref=ts ... Tejgaon Dhaka Bangladesh ©right FOAM DYEING In case of foam dyeing, the main dyeing elements is foam For that’s this dyeing is called foam dyeing A fabric is padded with a foam formed from an aqueous ... http://www.textilelab.blogspot.com (Visit My Blog for more Info ) My Facebook Textile related Pages Yarn Manufacturing Technology Link : http://www.facebook.com/pages/Yarn-Manufacturing -Technology/ 485014954866808...

Ngày tải lên: 06/08/2015, 13:09

... of Jet Dyeing Machines: Overflow Dyeing Machine Soft-flow Dyeing Machine Airflow Dyeing Machine Overflow Dyeing Machine Functioning of a Overflow Dyeing Machine: A typical Overflow Dyeing ... Types of Dyeing Machine Fibre Dyeing Machine Yarn Dyeing Machine Knit Dyeing Machine Woven Dyeing Machine Package Yarn Dyeing Machine (Vertical Type): Package Yarn Dyeing Machine (Horizontal ... jigger and beam dyeing units Principle: Jet dyeing is a process that can be used for batch dyeing operations such as dyeing, bleaching, washing and rinsing In this process, dyeing is accomplished...

Ngày tải lên: 11/08/2015, 00:04

Ngày tải lên: 21/02/2014, 16:20

Ngày tải lên: 08/03/2014, 13:20

... Basics of Fluidization I Introduction A Fluidlike Behavior B Fluidization State Gas/Liquid Flow Onset of Fluidization Situation at the Onset of Fluidization Bed Pressure Drop C Advantages of Fluidized ... Affecting Fluidization In a fluidization bed, the fluidization medium is always comprised of solid particles The fluidizing medium is any fluid: gas, liquid, or gas and liquid In normal fluidization, ... of the fluid, normal fluidization is not possible, and in such a case the fluid flow direction has to be reversed (i.e., the fluid has to flow downward) Such a situation prevails for fluidizing...

Ngày tải lên: 02/04/2014, 14:57

... achieving fluid balance in ARF Fluid therapy, together with attention to oxygen supply, is the cornerstone of resuscitation in all critically ill patients It is important to recognize that fluid ... patients at risk for ARF Although the importance of fluid management is generally recognized, the choice and amount of fluid, and assessment of fluid status are controversial [33-35] Whereas volumetric ... scenarios, principles and monitoring technology of fluid therapy, choice of physiological and clinical endpoints for trials, and the possible role of information technology References Key messages...

Ngày tải lên: 12/08/2014, 20:20

... 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 for this Technology - This technology ... Dyes: Water saving for 15 ton Fabric in Landmark: In existing Reactive dyeing process required water is 1351500 ltr In solophenyl dyeing process required water is 402000 ltr So we are saving 949500 ... Batch Dyeing (International Std Time & water needed 3-4 hrs, & 30-40 ltrs & in our trial we met the international standard)  Lab Dip report of S.D Black (100%Cotton) (4% shade) (2 Batch dyeing) ...

Ngày tải lên: 30/07/2015, 10:34

... Super-critical Dyeing and Treatment Supercritical dyeing using supercritical CO2, the ideal dyeing technology that uses no water at all No wastewater, environmentally friendly, futuristic dyeing technology ... formed in 2008), which literally means dyeing with CO2 Different between conventional & supercritical CO2 dyeing Supercritical Fluid Properties A supercritical fluid is any substance at a temperature ... typical liquids, gases and supercritical fluids Comparison of Gases, Supercritical Fluids and Liquids Density Viscosity ( Diffusivity (kg/m3) µPa∙s) (mm²/s) Gases Supercritical Fluids 100–1000 10 50–100...

Ngày tải lên: 06/08/2015, 13:08