Advantages

SUPRAUNO® is a versatile, viable, simple and a complete sustainable solution

No Water Used/
90% lesser chemicals

SUPRAUNO® uses Supercritical CO2 as the solvent for dyeing instead of water used in the traditional ways of dyeing textiles. SUPRAUNO® also uses up to 90% lesser chemicals thus minimizing the release of harmful chemicals and dyes into the water resources promoting sustainability in textile manufacturing.

SUPRAUNO® also further has the following advantages -

Better dye utilization resulting in stronger shade strength
Lower Dyeing Time
Lesser Energy, pollution (ETP) Load

No water used when dyeing with SUPRAUNO®

Versatile

Our patented SUPRAUNO® technology has for the first time in the world, enabled the use of Supercritical CO2 for sustainable dyeing of not only Polyester but also for various other man-made and natural textiles such as Nylon, Aramid, Acrylic, Viscose, Cotton, Linen, Silk etc. and their blends.

Hence, SUPRAUNO® has made sustainable dyeing of textiles truly versatile, viable, simple and is not limited to mainly polyester, like the prior-art supercritical CO2 dyeing technologies used earlier in the world.

SUPRAUNO® does not require special dyes for dyeing

No Special Dyes Used

SUPRAUNO® allows the use of conventional dyes and traditional tri-chrome recipes in its dyeing operation. This helps improve the viability as no special dyes are used as in the prior-art processes. Also, the expertise of Dye Masters in Dye Houses can be continued to be used just as in the case of any conventional method for dyeing.

Our innovative step of coating dyes on the surface of the fabric increases the effective surface area of the dye and thus increases interaction of dyes in SC CO2, achieving uniform & efficient penetration of the dye.

Innovative Elements of SUPRAUNO®

Inventive
Step

Pre-coating of textiles, with optimum quantity of dye & auxiliary chemicals, to increase the surface area of the dyes and improve their rate of solubilization in supercritical CO2. This also improves uniformity, reproducibility of dyed shade, washing fastness & finishing effects.

Non Obviousness

We can use any pre-coating method such as inkjet printing, roller coating, spraying or similar processes for having a controlled, uniform pre-coating of the optimum quantity of dye molecules on the entire textile material to achieve a single or multi-color/ light or dark shade dyeing as well as finishing of textiles with

post-treatment with SC CO2.

Industrial Applicability

SUPRAUNO® eliminates major limitations of prior-art supercritical dyeing processes available in the market. Its innovative features make it very simple, easily scalable, most efficient, economically viable and yet versatile, to truly achieve the sustainability goals of industry dealing with various types of

textiles.

Comparison of SUPRAUNO® v/s
Prior-art Supercritical CO₂Processes

Comparision of SUPRAUNO with previous supercritical CO2 technology

Reducing The Environmental Impact For a Better Future

76

Water Saved

%

67

Energy Saved

%

90

Chemicals Saved

%

SUPRAUNO® SC CO₂ Dyeing Process for Polyester-Cotton Blend

Economical Viability of SUPRAUNO®

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SUPRAUNO® is an economically viable sustainable solution for textile dyeing & finishing, with upto 2.4 times lower processing cost for blends. SUPRAUNO® also reduces Zero Liquid Discharge (ZLD) equipment size and decreases its energy load by ~78%, thus reducing overall pollution, water, & energy load. This is possible as our technology avoids two-bath dyeing for Cotton-Polyester blends and uses a much lesser quantity of auxiliary chemicals, uses no salt, thus substantially reducing the pollution, water, and energy load.

Similarly, SUPRAUNO® is also suitable for dyeing & finishing of various other man-made & natural textiles like Polyester, Nylon, Acrylic, Cotton, Viscose, Linen, Wool, etc., and blends.

Thus, SUPRAUNO® is unique in the world and can play an important role in truly accomplishing the sustainable compliance by the Textile Industries vis-à-vis Conventional / Traditional processes, which have a negative impact on the environment & customer preferences.