spatial multimedia representations to support community participation

... In order to recycle larger quantities, CO2 can be evacuated by a compressor from the plant into a pressure vessel There, the gas is cooled, compressed to 55 bar and returned into the storage tank ... synthetic fibres on a laboratory scale, as summarized by Bach et al (2002b), up to now, three separate major runs have been taken to scale up the scCO2 dyeing process and the plant to an industrial scale ... (USA), and Praxair Inc intended to test the scCO2 technology mainly for dyeing of yarns and fabrics from PET, cotton, polyamide, and PET/cotton blends According to information from the NC State...

Ngày tải lên: 12/08/2014, 02:22

... (Jung and Perrut, 2001) Finally it is important to mention that supercritical fluids are known to provide good reaction media due to their capacity to homogenize a reaction mixture, high diffusivity ... Texaco Agisana Bioland AT&T Processed material Hops Tobacco Hops Hops, Red Pepper Hops Tobacco Aromas, Pharmaceuticals Hops Various Tobacco Acetone residue from antibiotics Aromas Waste waters ... 1991, del Valle and Aguilera 1999, Hartono et al 2001) Supercritical CO2 was found to be selective in the separation of desired compounds without leaving toxic residues in extracts and without...

Ngày tải lên: 31/03/2014, 22:20

... -phenylforminidoyl)-2-naphthol shift the equilibrium toward the keto tautomer For ethanol and trifluoroethanol as cosolvents, the equilibrium was found to shift back toward the enol form with increasing density ... is also due my postdoctoral mentor Professor Marye Anne Fox It was her collaboration with Professor Keith Johnston at the University of Texas at Austin that introduced me to the field of supercritical ... fluorescence band due to the TICT state being extremely sensitive to solvent polarity The spectral shifts of the TICT emission band can be used to establish a polarity scale similar to the Py and π∗...

Ngày tải lên: 02/04/2014, 15:48

... dyes enter into the environment through the wastewater effluent These dyes can severely affect photosynthetic function in aquatic life due to low light penetration and may also be toxic to certain ... wastewater samples Sample Type pH 12.00 Total Solid (mg/L) 11526 Total Suspended Solid (mg/L) 6343 Total Dissolved Solid (mg/L) 5195 Jute Fabric dyeing Cotton Fabric dyeing Composite wastewater ... pH of less than Here, coagulation-flocculation was found to be moderately satisfactory with a COD removal efficiency of up to 66% as supported in another study [9] The residual color was reduced...

Ngày tải lên: 05/09/2013, 17:03

... applicable to compounds with masses up to about 500 Da and with ~60 torr vapor pressure at room temp (polar functional groups are trouble)  Supercritical fluid chromatography – chromatography ... is 500x as sensitive as FID Flame photometric detector: specialized form of UV emission from flame products Photoionization detector: UV irradiation used to ionize analytes, detected by an ion ... 1000-3000 plates/m difficult to overload – N up to 12000 Types of Columns for GC  GLC:     Gas-liquid chromatography (partition) – most common GSC: Gas-solid chromatography (adsorption) FSWC:...

Ngày tải lên: 27/06/2014, 01:20

... polyester cotton (PC) fabric yarn commonly has a blend ratio of 50% polyester to 50% cotton In polyester cotton fabric (PC), polyester provides wrinkle resistance and shape retention while cotton provides ... improvement might be due to the oxidation of cellulose in to carboxylic acid group upon exposure of cellulose to UV radiation which interacts more towards the dye material to form covalent bond ... activate the surface to interact with dye molecules to such an extent While irradiation for long time may either facilitate insoluble impurities to rush onto modified fabric due to availability of...

Ngày tải lên: 29/06/2014, 08:20

... non-toxic and safe To ensure this is the case, very strict test protocols exist which every textile dye must pass before it is allowed on to the marketplace Currently, the three main regulatory ... dyes to migrate to the skin (Wattie, 1987) Indeed, in the 1980s, some severe cases of allergic reactions were reported (Hausen, 1984) relating to stockings made of polyamide and, in the 1990s, to ... a chemical reaction In order to express a genotoxic effect, a chemical must first come into contact with the DNA present in a cell nucleus To this it must be able to transport across the protective...

Ngày tải lên: 12/08/2014, 02:22

... detergent to allow scouring to be combined with dyeing 4.6 Dyeing, fibre by fibre 4.6.1 Cellulose Cotton is by far the largest volume of the cellulosics, but most of what applies to cotton applies to ... dyeing behaviour so that level dyeings are easier to obtain If environmental factors limit the choice of dyes to be used, it can become more difficult to produce a non-metameric match and a compatible ... subjective customer intervenes and tolerances shift with the demand for product Dyers making repeated adds to get perfect matches waste valuable resources and risk damaging the substrate Customers who...

Ngày tải lên: 12/08/2014, 02:22

... Wool, nylon Cellulose Acrylic Cellulose Synthetic Wool Cellulose Cellulose Cellulose to to to to to to to to to 93 96 98 95 92 98 80 70 95 87% at a 17:l bath ratio Cellulose dyes typically have ... due to their absolute resistance to biodegradation and tendency to accumulate into higher concentrations, thereby increasing their toxicity to living beings Metals such as copper are known to ... dyes have acute fish toxicity: 48 h acute toxicity to Daphnia magna and a 72 h algal growth inhibition (Scenedesmus subspicatus) in accordance with ECO Guidelines The toxicity to aquatic organisms...

Ngày tải lên: 12/08/2014, 02:22

... under high turbulence to enhance dispersion of ozone into the water Turbine mixers are used to feed ozone gas into a contactor and mix the ozone with the water in the contactor Ozone transfer efficiency ... provided to maintain generator efficiency Excess heat is usually removed by water flowing through the stainless-steel ground electrode Ozone generators are classified into three classes according to ... found in the effluent treatment industry Ozone contactor/reactor Ozone is then transferred to an ozonation reactor, known as ozone contactor, where ozone is reacted with dyehouse effluent Transfer...

Ngày tải lên: 12/08/2014, 02:22

... shown to increase stabilities of the enzyme at higher pH and tolerance to elevated temperatures and to make the enzyme less vulnerable to inhibitors such as Cu chelators Membrane enzyme reactors ... a 10-l bioreactor’, Enzyme Microb Technol, 10 410–417 Luke A K and Burton S G (2001) ‘A novel application for Neurospora crassa: Progress from batch culture to a membrane bioreactor for the bioremediation ... industry faces the need to address its responsibility towards a wide range of health, safety and environmental issues, some of which are generic to the industry and some specific to the processes operating...

Ngày tải lên: 12/08/2014, 02:22

... cream side up and allow to sit 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 ... stirring into a smooth paste Stir in 1/2 cup lukewarm water For reds and colors containing red, filter the dye solution through a coffee filter or piece of silk to remove difficult to dissolve ... cream/water 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...

Ngày tải lên: 06/08/2015, 13:09

... Bangladesh Total Textile Process at a Glance To Classify Dyeing & Finishing Machinery To Know Function of The Machinery To Know Working Process of The Machinery To Know Some Brand Name  To Know ... and softener To dart set the T/C fabric Drying of fabric To control width Curing of fabric Apply pigment dyeing To control GSM To control shrinkage To decrease spirality To decrease bowing ... direction prior to stenter processing Manufacturer: Bianco Machine parts: Rotary blade: To cut the fabric through break wales line Ring: To help cutting Guide Roller: To guide the fabric to plaiting...

Ngày tải lên: 11/08/2015, 00:04

Ngày tải lên: 21/02/2014, 16:20

Ngày tải lên: 08/03/2014, 13:20

... Distributor C Importance of Distributor Hydrodynamic Factors Interfacial Area Factor Influence on Bed Behavior a Two-Phase Fluidization b Three-Phase Fluidization D Types of Distributors Conventional ... Conventional Distributors for Gas or Liquid Improved Gas–Liquid Distributors Common Distributors for Gas and Liquid Advanced Gas–Liquid Distributors Pressure-Drop–Dependent Distributors a Classification ... gas enters Agglomeration due to excessive the bubble base and comes out at the electrostatic force Fluidization is generally possible by top using agitator or vibrator to break the channels Electrostatic...

Ngày tải lên: 02/04/2014, 14:57

... analysis Panelists were assigned to three-person workgroups, with each workgroup addressing one key topic Each workgroup conducted literature searches related to their topic questions via Medline, ... required to settle an issue, a two-thirds majority was required to approve a proposal A writing committee assembled the individual reports from the workgroups and each report was edited to conform to ... 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 deficits...

Ngày tải lên: 12/08/2014, 20:20

... feel to to to 4 to Very good Combed with singeing to 4 to Good 4 4 to Medium to 4 4 Medium 4 4 Medium Low Twist Yarn to to to 4 to Very good Combed with singeing to 4 to Good 4 4 to Medium to 4 ... 4 Medium 4 4 Medium Low Twist Yarn to to to 4 to Very good Combed with singeing to 4 to Good 4 4 to Medium to 4 4 Medium 4 4 Medium Low Twist Yarn to to to 4 to Very good Combed with singeing ... Belgium SKF20 4m3/hr Diesel Generator Musgrove USA HC540 500 KVA Diesel Generator Perkins USA HC646 720 KVA GAS Generator Catterpiller USA M3516 1020 kw GAS Generator Catterpiller USA 1174 kw ETP...

Ngày tải lên: 30/07/2015, 10:34

... recycled upto 95% difficult and costly Dyeing factory need to establish where Dyeing factory can be established where water is sufficiently available water is not available Overall cost comparing to ... Procedure Add fiber and dye to vessel Pressurize system (with CO2) up to 800 psi and stir at approximately 850 rpm Heat to required temperature (100 -180 ºC) Pressurize to 3500 psi; hold for hours ... 30625 Post Treatment 3800 Total 53605 35180 Energy Savings 34.37% Supercritical fluid processing Machine Production machine The final partner of DyeCoo to make history is Tong Siang Co Ltd (Thailand),...

Ngày tải lên: 06/08/2015, 13:08