... clearing are not quite exact, because they are all in liquid form and may contain a certain amount of water The data on the auxiliaries in dyeing represent the input of an antistatic agent, a ... solutions are of great interest for pharmaceutical applications (Subramaniam et al., 1997) CO2 can also be used as a coolant in air conditioning of automotives (Brown et al., 2002) to replace chlorofluorocarbons ... the USA and Asia and later on also in Europe Besides the numerous publications on results of scCO2 dyeing of natural and synthetic fibres on a laboratory scale, as summarized by Bach et al (2002b),...
Ngày tải lên: 12/08/2014, 02:22
... Inc Jacobs Suchard Raps and Co Pitt-Des Moines Texaco Agisana Bioland AT&T Processed material Hops Tobacco Hops Hops, Red Pepper Hops Tobacco Aromas, Pharmaceuticals Hops Various Tobacco Acetone ... P Mazzafera Supercritical carbon dioxide extraction of methylxanthines from maté tea leaves Brazilian J Chemical Engineering, 17, 251-259, 2000 MDA Salda a, RS Mohamed, MG Baer, P Mazzafera Extraction ... supercritical fluid technology (Mizuno et al., 2000) In analytical applications, it has the advantage over standard methods in providing consistent qualitative and quantitative analysis and the simultaneous...
Ngày tải lên: 31/03/2014, 22:20
supercritical fluid technology in materials science and engineering
... Sloan, and Andreas Kordikowski 13 Preparation and Processing of Nanoscale Materials by Supercritical Fluid Technology Ya-Ping Sun, Harry W Rollins, Jayasundera Bandara, Jaouad M Meziani, and Christopher ... Understanding the RESS Process Markus Weber and Mark C Thies 12 Pharmaceutical and Biological Materials Processing with Supercritical Fluids Srinivas Palakodaty, Peter York, Raymond Sloan, and Andreas ... Pennsylvania Harry W Rollins, Ph.D Chemistry Department, Idaho National Engineering and Environmental Laboratory, Idaho Falls, Idaho Raymond Sloan, Ph.D Bioprocessing Department, Bradford Particle...
Ngày tải lên: 02/04/2014, 15:48
Process evaluation and treatability study of wastewater in a textile dyeing industry
... 587 (2001) ‘Standard Methods for the examination of Water and Wastewater’, Prepared and Published Jointly by American Public Health Association, American Water Works Association and Water Pollution ... 25150 for the sake of treatability study The composite sample was also characterized for the same parameters as earlier after adequate homogenization The results of characterization of Jute and ... COD and Alkalinity A composite wastewater sample was subjected to treatability study by means of coagulation-flocculation with alum and chemical oxidation with bleaching powder [Ca(OCl)2] separately...
Ngày tải lên: 05/09/2013, 17:03
Gas Chromatography and Supercritical Fluid Chromatography docx
... GC and SFC: Very Basic Definitions Gas 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, ... chromatography – chromatography using a supercritical fluid as the mobile phase and a solid/liquid as a stationary phase – In SFC, the analytes are solvated in the supercritical fluid – SFC is applicable ... Trap GC for Volatile Organic Compounds Invented 30 years ago by T A Bellar at the US EPA Principle: – Inert gas is bubbled through an aqueous sample – Gas carries analytes to headspace above...
Ngày tải lên: 27/06/2014, 01:20
TEXTILE DYEING pdf
... and Chemicals Faisalabad, Pakistan Introduction Love for colours is a natural instinct and every individual has his own choice and liking for colour The icy appearance of Hamaliyan ranges or lush ... that may include distillation, precipitation, and crystallization In general, organic compounds such as naphthalene are reacted with an acid or an alkali along with an intermediate (a nitrating ... al., 1998) Plasma induced grafting is another important techniques and the details of it are described in a book (Yasuda, 1984) Plasma-induced grafting has emerged as an alternative and attractive...
Ngày tải lên: 29/06/2014, 08:20
Environmental aspects of textile dyeing - Chapter 3 ppsx
... hydrazines and hydroxylamines Nitrosamines are of interest because they are formed in every diazotisation reaction of a primary aromatic amine and every commercial azo dye is made by a diazotisation ... 3.18 Aromatic amino- and nitro-compounds Aromatic amines and aromatic nitro-compounds are particularly important as far as organic colorants are concerned since they are the precursors to many ... that are not hazardous The Safety Data Sheet contains information such as the identity of the dye, possible hazardous components, and physicochemical, toxicological and ecological data, first aid...
Ngày tải lên: 12/08/2014, 02:22
Environmental aspects of textile dyeing - Chapter 4 docx
... environmental audits should be a routine They will provide a baseline against which to measure progress, and may reveal financial as well as environmental advantages.2 The global impact of a locally ... choice may make a level, fast or non-metameric match harder to achieve If dyes are not standardised accurately, or not form a compatible combination, they may involve the dyer in additional machine ... may have pale areas where they cross each other As long as the overall appearance is level, such micro-unlevelness is acceptable Unlevelness on a larger scale, unless it is a deliberate decorative...
Ngày tải lên: 12/08/2014, 02:22
Environmental aspects of textile dyeing - Chapter 6 pps
... surfactant Glauber’s salt, ammonium sulphate/ acetic acid/sulphuric acid, surfactant Acetic acid, Glauber’s salt, sodium dichromate, surfactant Sulphuric acid/sodium acetate/ammonium sulphate, Glauber’s ... L, Manich A M, Bosch P and Parra J L, Handbook of Nonmedical Applications of Liposomes, Florida, Boca Raton CRC Press Inc., 1996 71 De la Maza A, Sanchez L J, Parra J L, Garcia M T and Ribosa I, ... la Maza A, Parra J L and Manich A, ‘Lipid bilayers including cholesterol as vehicles for acid dyes in wool dyeing’, Textile Res J, 1993, 63(11), 643–9 67 De la Maza A, Parra, J L and Manich A, ...
Ngày tải lên: 12/08/2014, 02:22
Environmental aspects of textile dyeing - Chapter 7 pdf
... acts as a – radical initiator, and forms ∑OH and ∑ O radicals, which act as propagators 2– in a series of chain reactions Conversely, CO acts as an inhibitor in the ∑ free-radical reaction, as ... neutralised with diluted alkali and again sent to the dyeing machines Reactive dyebaths are usually alkaline and ozonation can be carried out at alkaline pH without any pH adjustment Most catalytic ... of wastewater through the bed at a high flow rate Among the aforementioned adsorbents, only a few have characteristics that make them suitable for use in a commercial wastewater treatment plant...
Ngày tải lên: 12/08/2014, 02:22
Environmental aspects of textile dyeing - Chapter 9 (end) doc
... growing cells and on dead biomass (Fu and Viraraghavan, 2001) Decolorization without any transformation readily takes place only physically via adsorption onto their mycelia (Assadi and Jahangiri, ... activity of anaerobic bacteria isolated from human intestinal microflora’, Appl Environ Microbiol, 56 2146–2151 Ramalho P A, Paiva S, Cavaco-Paulo A, Casal M, Cardoso M H and Ramalho M T (2005) ‘Azo ... 41–42 Almansa E, Kandelbauer A, Pereira L, Cavaco-Paulo A and Gübitz G M, (2004) ‘Influence of structure on dye degradation with laccase mediator systems’, Biocatal Biotrans, 22 315–324 Aretxaga A, ...
Ngày tải lên: 12/08/2014, 02:22
Foam Dyeing Technology
... foam dyeing A fabric is padded with a foam formed from an aqueous solution of a dyestuff, a foaming agent and a carrier for the dyestuff and the padded fabric is maintained at elevated temperatures ... dimensional stability of the dyed fabrics Foam is a dispersion of a gas in a liquid Here the liquid is generally water and the gas is generally air but it may also be an inert gas This is familiar as ... is a special chemical used to mix oil & water #Optical Brightening agent is used for white dyeing FOAMING AGENT: Sancowad Foamer NT (Clariant), Nekanil LN (BASF) Generate foam readily Wide range...
Ngày tải lên: 06/08/2015, 13:09
Textile Dyeing Machinery
... simple, and flexible and a substantial reduction in capital investment for equipment Schematic layout of a pad-batch: Types of Pad-batch dyeing machine: Pad-batch process (semicontinuous) Pad-roll ... • All operations from pretreatment to hydro extraction in single machine are possible • The package dyeing machines are more versatile because almost all type of substrates can be dyed and almost ... machines are the traditional type, vertical kier dyeing machines They are really the multipurpose solution apparatuses for processing all kind of fibres and in any type of form like in packages,...
Ngày tải lên: 11/08/2015, 00:04
fluid bed technology in materials processing
... Waste Nomenclature References Chapter High-Temperature Fluidized Bed Reactor I Plasma, Plasma Furnaces, and Plasma Fluidized Bed A Plasma Plasma State a Charged Particles b Collision c Plasma ... Thakur cheerfully and caringly transformed the handwritten material into the typed version and prepared neat and clear drawings and illustrations Marsha Baker and Felicia Shapiro, our contacts ... surface–volume diameter (dsv), defined as the diameter of a sphere that has the same ratio of the external surface area to the volume as the actual particle For a powder that has a mixture of particle...
Ngày tải lên: 02/04/2014, 14:57
Báo cáo khoa học: "Acute renal failure – definition, outcome measures, animal models, fluid therapy and information technology needs: the Second International Consensus Conference of the Acute Dialysis Quality Initiative (ADQI) Group" doc
... of animal models in use for study of ARF: ischemia; toxins and sepsis models; and several subtypes Each has its own advantages and disadvantages, which are summarized in Table No one model has ... H, Lang SM, Fischer R: Daily hemodialysis and the outcome of acute renal failure N Engl J Med 2002, 346:305-310 Mehta RL, McDonald B, Gabbal FB, Pahl M, Pascual MTA, Farkas A, Kaplan RM: A randomized ... Plasma clearance of iodine contrast media as a measure of glomerular filtration rate in critically ill patients Crit Care Med 2001, 29:1544-1550 Doolan PD, Alpen EL, Theil GB: A clinical appraisal...
Ngày tải lên: 12/08/2014, 20:20
Water Saving Technology in Textile
... Exhausting Rate 85 - 99% This kind of Dyes are excellent for light and medium color as well as for black and navy It has high economical savings and excellent fastness by using fixing agent Albafix ... 1347 Kg/day Salt-8640 Kg/day Soda Ash-2160 Kg/day Water-1080000 Lts/day How much water we can save by using Solophenyl Dyes: Water saving for 15 ton Fabric in Landmark: In existing Reactive dyeing ... contains disperse dye able polyester CVC also contains cationic dye able polyester significant Information collected by Water Ambassadors: Utility & services: Sl No Machine Name Brand Origin Model...
Ngày tải lên: 30/07/2015, 10:34
Super critical fluid dyeing
... the form of an uncontaminated gas and can be reused •It is easy to handle and combustible •It has a critical point within the range which is readily manageable by technical means (31C and 73 bar) ... commercially available equipment Supercritical carbon dioxide is able to dissolve a range of chemical substances including organic substrates, catalysts, and light gases Its main advantage however ... calculated using equations of state Supercritical Carbon Dioxide(CO2) Carbon dioxide is a readily available, cheap, recyclable and is non-toxic and nonflammable Above the temperature of 31.6 oC and...
Ngày tải lên: 06/08/2015, 13:08
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