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The shrinkage of leather becomes a problem when leather is used in the form of leather shoes or other products and is heated at a high temperature. This technical study addressed shrinkage occurring in most leather shoes used in Pakistan during the shoe manufacturing process. The chemical testing results revealed fat content (4.0-4.5%), chromic oxide (2.3-2.5%), ash content (1.3-1.6%), and pH (3.5-3.7) under significant limits. The effects of hydrothermal and dry heat shrinkage were investigated in selected shoe-upper leathers. The leather samples showed (18-41%) shrinkage in all 03 samples. The results revealed that an extensive change in various physical tests, such as tensile strength, % elongation, tear strength, had been found with heat induction. The temperature and time of heat contact significantly affect the destruction of bonding in shoe upper leather after being converted into shoes.

Leather gloves are very light leather used for protection against various risks. A flame-resistant product is needed to increase the flame resistance of natural leather. In this study, 02 flame resistant retanning products had been prepared utilizing waste leather protein extract with phosphoric acid and formaldehyde. These products had been applied at the retanning stage during leather processing. The utilization of phosphorus compounds chemically reacted with or deposited in leather fibers represented the most significant contribution in durable flame retardancy. The final prepared leathers had been characterized for different physical properties such as radiation and electric heat resistance, flame spread resistance and impact of spatter. These products had been found to be compatible with commercial flame-resistant products. The thermal behavior of prepared leathers showed significant resistance.

Microbial populations within the rhizosphere have been considered as prosperous repositories with respect to bioremediation aptitude. Among various environmental contaminants, effluent from textile industries holds a huge amount of noxious colored materials having high chemical oxygen demand concentrations causing ecological disturbances. The study was aimed to explore the promising mycobiome of rhizospheric soil for the degradation of azo dyes to develop an efficient system for the exclusion of toxic recalcitrants. An effluent sample from the textile industry and soil samples from the rhizospheric region of Musa acuminata and Azadirachta indica were screened for indigenous fungi to decolorize Congo red, a carcinogenic diazo dye, particularly known for its health hazards to the community. To develop a bio-treatment process, Aspergillus terreus QMS-1 was immobilized on pieces of Luffa cylindrica and exploited in stirred tank bioreactor under aerobic and optimized environment. Quantitative estimation of Congo red decolorization was carried out using UV-Visible spectrophotometer. The effects of fungal immobilization and biosorption on the native structure of Luffa cylindrica were evaluated using a scanning electron microscope. A. terreus QMS-1 can remove (92%) of the dye at 100 ppm within 24 h in the presence of 1% glucose and 1% ammonium sulphate at pH 5.0. The operation of the bioreactor in a continuous flow for 12 h with 100 ppm of Congo red dye in simulated textile effluent resulted in 97% decolorization. The stirred tank bioreactor was found to be a dynamic, well maintained, no sludge producing approach for the treatment of textile effluents by A. terreus QMS-1 of the significant potential for decolorization of Congo red. Microbial populations within the rhizosphere have been considered as prosperous repositories with respect to bioremediation aptitude. Among various environmental contaminants, effluent from textile industries holds a huge amount of noxious colored materials having high chemical oxygen demand concentrations causing ecological disturbances. The study was aimed to explore the promising mycobiome of rhizospheric soil for the degradation of azo dyes to develop an efficient system for the exclusion of toxic recalcitrants. An effluent sample from the textile industry and soil samples from the rhizospheric region of Musa acuminata and Azadirachta indica were screened for indigenous fungi to decolorize Congo red, a carcinogenic diazo dye, particularly known for its health hazards to the community. To develop a bio-treatment process, Aspergillus terreus QMS-1 was immobilized on pieces of Luffa cylindrica and exploited in stirred tank bioreactor under aerobic and optimized environment. Quantitative estimation of Congo red decolorization was carried out using UV-Visible spectrophotometer. The effects of fungal immobilization and biosorption on the native structure of Luffa cylindrica were evaluated using a scanning electron microscope. A. terreus QMS-1 can remove (92%) of the dye at 100 ppm within 24 h in the presence of 1% glucose and 1% ammonium sulphate at pH 5.0. The operation of the bioreactor in a continuous flow for 12 h with 100 ppm of Congo red dye in simulated textile effluent resulted in 97% decolorization. The stirred tank bioreactor was found to be a dynamic, well maintained, no sludge producing approach for the treatment of textile effluents by A. terreus QMS-1 of the significant potential for decolorization of Congo red.

During Leather Processing, Skin Fleshing Wastes (SFW) are usually disposed of in an open area which creates toxic hazards. In this study, (SFW) from tanneries have been hydrolyzed using two alkalis Potassium hydroxide ( 2g/ 100g of SFW ) and Sodium hydroxide ( 4g/100g of SFW) with a sufficient amount of water at 2300 F in Autoclave for two hours. Three resultant fractions fats and oil (approximately 240 g Kg-1 ), protein (approximately 554 g Kg-1 ) and sludge containing a high amount of ashes (approximately 900 g Kg-1 ) were successfully isolated respectively. The yield of fractions was calculated on the wet weight of SFW used after the removal of lime using ammonium sulphate. In this study, the isolated third fraction Fleshing Sludge (FS) from the hydrolyzed fleshing wastes used fertilizer on the six different plants on growth commonly named Ghobi, Cran Dola, Patunia, Placus, Dentist and Dalia. The observations were taken during 30 days of incubation, at the usual temperature. The application of FS in plants observed that growth was enhanced in significant proportion as compare to reference plants supplemented with commercial fertilizer except in the Ghobi sample PS1 which shows some phytotoxicity confirmed by leaf yellowing. The results revealed that the applied sludge has no adverse effect on the growth of other experimental plants. Results were taken by measuring plants according to standard methods

This technical study deals with the experimental evaluation of four different safety gloves, used in Pakistan for protection of hands. The samples were prepared and tested according to their standard test methods EN-388. The samples for EN388 were subjected to three physical tests; puncture resistance (N), abrasion resistance (cycles), tear-resistance (N). The results revealed that the performance levels of synthetic leather/ PVC gloves were found higher than other gloves.