Phyto-based goatskin preservation to reduce salinity in tannery wastewater

Hashem, Md. Abul; Payel, Sofia; Mim, Sadia; Sheikh, Md. Hasibur Rahman; Islam, Md. Mazharul; Arman, Md. Navid; Shaikh, Md. Zillur Rahaman

doi:10.1016/j.clema.2022.100075

Cited by 4 publications

(4 citation statements)

References 11 publications

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“…Due to the high content of lactic acid and the ability to defibrillate the dermis without damaging the fibres [23][24], the use of milk whey in preservative compositions makes it possible to reduce the consumption of sodium chloride by up to 50% without the additional introduction of minerals and/or organic acids.…”

Section: Discussionmentioning

confidence: 99%

Development of Sheepskin Processing Technology Using Whey

Sydykova,

Smagulova,

Moisseyeva

2023

Fibres &Amp; Textiles in Eastern Europe

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In this study, the possibility of using whey as a preservative and aldazan as an antiseptic was studied in order to reduce the consumption of sodium chloride, enhance the effect of preservation, and reduce the duration of sheepskin processing during preservation. The whey-salt method proposed for preserving raw sheepskin allows to reduce the consumption of sodium chloride through the use of whey in preservative compositions by up to 50%, the duration of the process of processing skins in comparison with the traditional method by 1.5-2 times (traditional method - 80 hours, proposed - 54-56 hours), the preservation process from 8 to 4 hours, the drying process from 72 to 48-50 hours, the cost of the preservation process, as well as the water consumption and pollution of wastewater from enterprises.

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Section: Discussionmentioning

confidence: 99%

Development of Sheepskin Processing Technology Using Whey

Sydykova,

Smagulova,

Moisseyeva

2023

Fibres &Amp; Textiles in Eastern Europe

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“…Bangladesh earns a sizeable export revenue annually as a result of producing a large number of high-quality hides and skins at a low labour cost. Hides and skins are the main raw materials utilized in the tanning process [1]. Bangladeshi leather is highly regarded globally for its consistent fine grain, uniform fibre structure, smooth feel, and natural texture [2].…”

Section: Introductionmentioning

confidence: 99%

An Eco-Friendly Approach to Preserve Goatskins Using Tamarindus Indica Leaf

Hossain,

Fatema

et al. 2024

Text Leather Rev

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Hides and skins, the main raw materials for leather industries, are traditionally preserved with sodium chloride (NaCl). Due to the excessive use of salt (around 40 to 50% w/w) in the curing process, total dissolved solids (TDS), and salinity are produced in large quantities by the soaking effluent during the leather processing. To address the resulting environmental threat from the tanneries and replace traditional curing, plant-based curing is a cutting-edge green technology. In this study, Tamarindus indica leaves were used as a combination of 5% powder + 10% salt and 10% paste + 10% salt to preserve goat skin for 28 days. The organoleptic characteristics, hydrothermal stability, moisture content, nitrogen content, and bacterial load were periodically monitored. After curing, the goatskin was processed into leather, the environmental impact of the wastewater was evaluated, and its physical and fibre strength was assessed. The TDS value, chloride content, biochemical oxygen demand, and chemical oxygen demand were reduced up to 65.62%, 69.38%, 31.08%, and 27.06% respectively. The prepared shoe-upper leather exhibited equivalent physical properties compared to the control. Scanning electron microscopy (SEM) image ensured the conformity of the fibre structure of the experimental leather with control. A significant correlation was seen among the skin preservation efficiency parameters, while the strongest correlation was (r = -0.996, p<0.001) between moisture content and shrinkage temperature. Therefore, T. indica leaves powder as well as paste could be an effective curing agent by reducing the use of salt in leather industries.

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“…Powder, extract, and paste of different plant parts are applied to preserve goatskin for a maximum of one month [ 3 ]. The plants which were successfully investigated are Acalypha indica [ 4 ] , Semecarpus anacardium [ 5 ], Tamarindus indica [ 6 ], Azadirachta Indica [ 7 ], Cassia fistula, Psidium guajava [ 8 ] , Rumex abyssinicus [ 9 ] , Aphanamixis polystachya [ 10 ] , Sesuvium portulacastrum , Salicornia brachiata , Citrus sinensis peel [ 1 ], Clerodendrum viscosum [ 11 ], Moringa oleifera [ 12 ], Sphagneticola trilobata [ 13 ] , Acacia bussei, Acacia albida [ 14 ] , Lemon [ 15 ], Calotropis gigentea [ 16 ] , Aegle marmelos [ 17 ] , and Polygonum hydropiper [ 18 , 19 ]. Plant-based curing agents are effective in reducing the generation of pollution in the leather industry.…”

Section: Introductionmentioning

confidence: 99%

“…During hides and skins curing experiments, a series of tests, for example, moisture content, hydrothermal stability, bacterial count, nitrogen content, and hydroxyproline content, were done in regular intervals of an average of one month, e.g., 5–6 times to understand the efficiency of applied preservatives [ [4] , [5] , [6] , [7] , [8] , [9] , [10] , [11] , [12] , [13] , [14] , [15] , [16] , [17] , [18] , [19] ]. These frequent experiments are very laborious and time-consuming.…”

Section: Introductionmentioning

confidence: 99%