Santex Rimar @ India ITME : Sustainable techn...
Santex Rimar @ India ITME

Sustainable technologies for textile finishing

(Source: Santex Rimar)
(Source: Santex Rimar)

The finishing stage in the value chain contributes to a wide range of properties in the textile end-use. Bringing an ideal look, touch and functionality to many different applications is a real challenge which is addressed by the Sperotto Rimar portfolio. It combines both ingenuity and sustainability and will be showcased at the upcoming India ITME from December 8-13, 2022 in Noida/India.
Sperotto Rimar, a member of the Santex Rimar Group, Trissino/Italy, follows 2 energy-saving strategies in machine development for fabric finishing. The first aims at technology which skips one or more production steps, to shorten the finishing process. Equally important is the use of innovative components such as motors, electrical and electronic controls, which can significantly reduce energy consumption.
The Decofast decatizing machine offers energy savings with the substitution of a discontinuous process. On certain fabric types, it allows users to skip one pass of direct steaming with pressure. This shortened process results in lower energy consumption and requires less labor.
The Universa fabric relaxing machine has wide application in different finishing fields – from wool to synthetic fabrics. Universa was designed to drastically reduce steam consumption. Tests prove that 30% less steam is needed compared to traditional technology while achieving the expected quality results.
Nova is an eco-friendly solvent scouring machine, and an alternative to traditional water scouring for the washing of synthetic fabrics. The technology has been continuously improved and therefore facilitates very good cleaning performance on various materials. The Nova machine recycles more than 99% of the chemicals used in the process. Traditional scouring machines need a critical amount of water and detergents, which then must be treated as effluent. They also effect a relatively low level of oil elimination from the fabric. Nova solvent-based scouring works with a closed loop system in which air and solvent are properly treated and recycled. Less energy is needed to dry solvent than to dry the same amount of water. Furthermore, it almost totally removes the oil contained in the fabric, so that no polluted fumes are released in the subsequent thermic processes (heat-setting).
The Compas open-width compacting and finishing machine for knitted and woven fabrics uses an indirect water-cooling system to reduce the compacting belt temperature. With this system, the water is recovered by passing it through a chiller to keep its temperature at the right level. This technology can save about 3 m³/hour. This water, totally unpolluted, can be continuously recovered and re-used in the machine. Another feature enables a minimal environmental footprint through technology-based process optimization. It is possible to significantly reduce the level of chemicals, as the machine partially compensates for the effect of their use. Thanks to its unique compacting method, Compas imparts a silky touch, only partly attributable to the softeners used, while mainly deriving from the special materials in the machine design. Natural stretch is usually obtained by inserting elastane (a synthetic elastic yarn) during the weaving phase. Compas ensures the same degree of elasticity but with a final product that is 100% 'natural'.




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