Enzymes and chelating agent in cotton pretreatment

Csiszár, Emı́lia; Losonczi, A.; Szakács, George; Rusznák, István; Bezúr, László; Reicher, J.

doi:10.1016/s0168-1656(01)00315-7

Cited by 75 publications

(30 citation statements)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Also the bio scouring of cotton was significantly improved using combinations of alkaline pectinase and neutral cellulose/alkaline protease/alkaline xylanase in comparison with individual enzymes [8]. Another mixture of enzymes for scouring of cotton fabrics has been applied using mixture of commercial cellulase, hemicellulose, pectinase and xylanase enzymes [9].…”

Section: Scouringmentioning

confidence: 99%

Sustainable Line of Cotton Wet Processing

Ibrahim¹

2013

J Textile Sci Eng

View full text Add to dashboard Cite

Enzymes have been used for more than 50 years in the detergent, textile, food industries, to name just a few. In these industries enzymes replace chemicals and minimize water, raw material and energy consumption. Natures own technology provides us with environmentally friendly solutions and better products. Enzymes are the natural solution to industrial problems. With enzymes we can maintain the living standards we have today and at the same time preserve the environment for our children. In textile industry, enzymes are used because: they are accelerating the reactions, act only on specific substrates, operate under mild conditions, are safe and easy to control, can replace harsh chemicals and are biologically degradable [1]. In textile manufacturing the use of enzymes has a long tradition. The enzymatic desizing of cotton with α-amylases is state-of-the-art since many decades'. Moreover, cellulases, pectinases, hemicellulases, lipases and catalases are used in different cotton pre-treatment and finishing processes [2]. These studies will overview the whole clean line of cotton fabrics wet processing arrangement avoiding usage of chemicals and substituting it with enzymes.

show abstract

Section: Scouringmentioning

confidence: 99%

Sustainable Line of Cotton Wet Processing

Ibrahim¹

2013

J Textile Sci Eng

View full text Add to dashboard Cite

show abstract

“…Most recent usage of cellulase in the production of ethanol for fuel has lead to decrease the production of carbon dioxide by 90% in the fuels [5]. Also used in the cotton pre-treatment in the textile industries [10] …”

Section: Flexible and Heavily Glycosylated Linker Regionsmentioning

confidence: 99%

Biosynthesis Of Cellulase Protein From Cheaper Substrates Using Mixed Culture Of Trichoderma Reesei And Penicillium Funiculosum - A Novel Approach

Bharathiraja¹,

Jayamuthunagai²,

Jayakumar³

2009

Int. Jour. Appl. Bio-Eng.

View full text Add to dashboard Cite

Plant cell wall degrading enzymes are given importance due to the development of efficient biomass degradation methods and the conversion of sugars to valuable products like butanol, amino acids and utilizable forms such as ethanol and methane. Plant biomass is an abundant renewable resource with cellulose and hemicellulose comprising about 40-50% of plant cell. The rate-limiting step in biomass degradation is the conversion of the cellulose and hemicellulose polymers to sugars. Cellulase enzyme has many potent commercial applications in industries. It is commonly produced as an extra cellular enzyme in fungi, bacteria and insects, however fungal enzymes are amongst the most extensively studied and characterized. Trichoderma reesei is the most commonly used organism for the commercial production of cellulase. An attempt has been made in the present study to improve the yield by using a mixed culture of Trichoderma reesei and Penicillium funiculosum on low cost substrates, corn fibre and sugarcane bagasse. The results show that the growth of T. reesei and P. funiculosum, production rate and cellulase activity was high only when sugarcane bagasse was used as substrate than that of corn fibre. Also the yield of cellulase enzyme and its activity were greater in the case of mixed culture than pure cultures of T. reesei and P. funiculosum.

show abstract

“…The disadvantages of scouring with sodium hydroxide have motivated textile industry to introduce more enhanced biological agents which would be as effective in removing non-cellulose substances as sodium hydroxide but would not have damaging effects on cellulose and would be less water and energy consuming. Favourable effects of scouring have been obtained with the enzymes pectinases (Buchert, Pere, Puolaka, & Pertti, 2000;Csiszar et al, 2001), which catalyse the hydrolysis of pectin substances. The potential advantages that make the enzyme scouring commercially appealing are a higher quality of the fibres, less wastewaters with lower biological oxygen demand (BOD5), chemical oxygen demand (COD), total organic carbon (TOC), lower process time, cotton weight loss and harshness to handle, economy of energy and compatibility with other procedures, equipment and materials (Cavaco-Paulo & Gübitz, 2003).…”

Section: Introductionmentioning

confidence: 99%

Bioscouring and bleaching process of cotton fabrics – an opportunity of saving water and energy

Mojsov

2015

The Journal of The Textile Institute

View full text Add to dashboard Cite

Bio-processing was accompanied by a significant lower demand of energy, water, chemicals, time and costs. This study attempted to introduce the bio-processes in the conventional scouring and bleaching with peracetic acid (PAA) of the cotton fabrics. The scouring with two types of pectinases, acting under acidic and alkaline conditions, respectively, was as efficient as the chemical process in terms of obtained adequate water absorbency of the fabrics. Bleaching with PAA can substitute bleaching with hydrogen peroxide when medium degree of whiteness is demanded. The bioscouring and bleaching with PAA processes cause no damage to fibres and this is one of the benefits of such processes. Wastewaters are not charged with harmful chemicals. The consumption of water and energy is the lowest at combined scouring/ bleaching treatments. Consequently, at these processes arises the lowest amount of effluents and the produced wastewater is biodegradable.

show abstract

Enzymes and chelating agent in cotton pretreatment

Cited by 75 publications

References 5 publications

Sustainable Line of Cotton Wet Processing

Sustainable Line of Cotton Wet Processing

Biosynthesis Of Cellulase Protein From Cheaper Substrates Using Mixed Culture Of Trichoderma Reesei And Penicillium Funiculosum - A Novel Approach

Bioscouring and bleaching process of cotton fabrics – an opportunity of saving water and energy

Contact Info

Product

Resources

About