chrome tanning process

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  A faster and more effective chrome tanning process assisted …

  In the study, the chrome tanning process was artificially divided into penetration (from 1 h to 5 h) and fixation (from 6 h to 10 h) after the addition of sodium bicarbonate for basification. During tanning, the MW and WB were used as heating sources, and the influence of microwave irradiation and water bath heating on the chrome tanning ...

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  [PDF] Sustaining tanning process through ... - Semantic Scholar

  DOI: 10.1016/S0921-3449(02)00151-9 Corpus ID: 55436118; Sustaining tanning process through conservation, recovery and better utilization of chromium @article{Sreeram2003SustainingTP, title={Sustaining tanning process through conservation, recovery and better utilization of chromium}, author={Kalarical Janardhanan Sreeram and …

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  A novel chrome tanning process for minimization of total …

  20131115 · The right half delimed pelts were processed by conventional chrome tanning process using conventional pickling and tanning in 50% filled pickle bath using 8% BCS. The pH of the bath was adjusted to 4.0 after flooding with 50% water. Typical process steps followed is given in flowchart (Fig. 1). The pH profile of both the experimental and ...

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  Economy chrome tanning process with aldehyde-acids and …

  An economy chrome tanning process, which comprises pretreating the pelts before tanning with 0.1 to 2% of an aldehyde-acid or keto-acid and subsequently tanning the pretreated pelts. 2. The process as claimed in claim 1, wherein the pretreatment with the aldehyde-acid or keto-acid is carried out together with the pickling. 3.

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  Sustainable leather making — An amphoteric organic chrome-free tanning ...

  202341 · During the tanning process, the penetration pH of inorganic chrome-free tanning agent (Non‑chromium metals and minerals make up the majority of inorganic chrome-free tanning agents) is low (~2.5) (Heidemann, 1993), which result in a high amount of neutral salt (such as NaCl or Na 2 SO 4) needs to be added during the tanning process …

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  Vegetable Tanning Vs. Chrome Tanning Vs Oil …

  2001121 · An improved chrome syntan with more than 90% uptake of chrome has been developed. The new product serves both as tanning and retanning agent and can be applied directly to delimed pelts thus ...

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  WHAT IS THE FUTURE OF (CHROME) TANNING?

  2016419 · 4.1. Future of chrome tanning: a professional view 17 4.2. Likely improvements in management of chromium in tanneries 17 4.-J..:.7 Likely product innovations to save chrome tanning 17 4.4. Comprehensive approach to chrome management 17 5.0. Economic implications of changes in chrome tanning vis-it-vis …

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  The Difference Between Veg Tan, Chrome, and …

  20171018 · Chrome tanned leather is a tanning process that was invented in the mid 1800s in an effort to systematize leather production and so that quantities could be mass produced to keep up with the demand. The process of chrome tanning involves using chromium salts and due to the blue nature of chromium, the wet leather at one stage of …

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