Tangential membrane filtration - typology and application in the textile field (Italian) (Filtrazione tangenziale a membrana - tipologia ed applicazione nel campo tessile)

The most common membrane processes used to separate solutes from solutions using the difference in hydrostatic pressure on the two sides of the membrane are microfiltration, ultrafiltration and reverse osmosis. Ultrafiltration is a process of separating extremely small particles or dissolved molecules from fluids. Osmosis occurs when two ..

Reduction and reuse of wastewater in the dyeing and finishing industry (Chinese)

The oxidation capacity of ozone in treating the dyeing and finishing wastewater was investigated. The objective of the study was to study the effort of advanced treatment and thus the water conservation or wastewater minimization purpose can be adopted in the industry.

Azo dye effluent treatment an environmental challenge. II.

The different physico-chemical processes being used in the treatment of azo dyestuff effluents are adsorption, flocculation, reverse osmosis, ion-exchange, coagulation and clarification. These processes have got a lot of attention for colour removal from waste water and many adsorbents have been tried for example: activated charcoal; Chit..

Reducing the toxicity of textile effluent

Activated sludge digestion is the most widely used process for the treatment of organic and industrial wastes, including textile effluent. The majority of textile finishers discharge their effluent to sewer, with effluent undergoing biological digestion a

Optimization of open-width dyeing and finishing by means of a spreadsheet (Spanish) (Optimizacion de la tintura y acabado al ancho mediante la hoja de calculo)

Automation in dyeing and finishing is increasing and information systems are complex and require programming specialists. However a dyeing and finishing technician can, on completion of the various phases of a process, create a simple documentary system which will generate a set of data about the operative processes of defective qualities..

Designing on the electric drive system for indigotic fabric prescale shrinkage machine

In accordance with the nature of indigo fabric, a more practical indigo fabric prescale shrinkage machine is suggested and the choice of drive mode, design and test run of the machine are discussed.

Dos and Dye: right first time (Italian)

Automated laboratory dyeing equipment produced by the Italian firm Tecnorama is described. The equipment is designed to reproduce production conditions in the laboratory. The Dos and Dye system comprises the Minidyerama, a machine for dyeing small samples in production conditions, an automatic loading and unloading system and the Dosorama..

Space dyeing - technology for the multi-colour dyeing of yarns, fabrics and tops (Italian) (Space dyeing - tecnologia per la tintura multicolore di filati, tessuti e tops)

The range of equipment produced by the Italian firm SWA Italia for multi-colour dyeing of yarns, fabrics and tops is presented. The model SMT 2002/STT2004 is for the multi-colour dyeing of fabric and yarn in skeins. The model STP 2000 is for the multi-colour dyeing of tops or roving. The model STR 2003 is for the multi-colour dyeing of ya..

Dyeing in the laboratory (Italian) (La tintura in laboratorio)

Laboratory dyeing equipment produced by the Italian firm Loris Bellini is presented. The automatic centralized colour kitchen comes in HP (high pressure) and LP (low pressure) models and can be situated up to 100 metres from the dyeing machines it serves. The RBNV 270/340 apparatus for laboratory bobbin dyeing is an apparatus for testing ..

SDC resource file 1998

This resource file contains information on dyestuffs, dyeing equipment and related services. The three main sections are: the index, where the user can look up types of product or service; colorants and chemicals, where commercially available ranges of dyes and pigments are listed alphabetically with a short description from the supplier;..