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  • Chrome tanned leather waste from footwear and garment production mainly land-filled at present time representing potential environmental risks. Acid rain slowly extracts chromic tanning salts from leather waste that are accumulated in ground water, oftenused after oxidation treatment as drinking water. Chromic salts are oxidised to highly carcinogenic Cr(VI) compounds. From environmental reason any other treatment of chromed leather waste than dumping is therefore desirable. Sulphuric and ortho-phospho ric acid treatment of chromed leather waste (scraps, cut-off waste) from footwear and garment production is presented. Using methods of mathematical statistical analysis optimal conditions of the processes are estimated. After leather scraps acid decomposition process, the reaction mixture is neutralised and precipitated chromic salts are filtered out and can be reused e.g. as a pigment or in tannery industry. The use of water-soluble protein hydrolysate as agricultural fertiliser is proposed.
  • Chrome tanned leather waste from footwear and garment production mainly land-filled at present time representing potential environmental risks. Acid rain slowly extracts chromic tanning salts from leather waste that are accumulated in ground water, oftenused after oxidation treatment as drinking water. Chromic salts are oxidised to highly carcinogenic Cr(VI) compounds. From environmental reason any other treatment of chromed leather waste than dumping is therefore desirable. Sulphuric and ortho-phospho ric acid treatment of chromed leather waste (scraps, cut-off waste) from footwear and garment production is presented. Using methods of mathematical statistical analysis optimal conditions of the processes are estimated. After leather scraps acid decomposition process, the reaction mixture is neutralised and precipitated chromic salts are filtered out and can be reused e.g. as a pigment or in tannery industry. The use of water-soluble protein hydrolysate as agricultural fertiliser is proposed. (en)
Title
  • Acid treatment of Chromed Leather Waste from Footwear and Garment Production
  • Acid treatment of Chromed Leather Waste from Footwear and Garment Production (en)
skos:prefLabel
  • Acid treatment of Chromed Leather Waste from Footwear and Garment Production
  • Acid treatment of Chromed Leather Waste from Footwear and Garment Production (en)
skos:notation
  • RIV/70883521:28110/03:63501139!RIV/2004/MSM/281104/N
http://linked.open.../vavai/riv/strany
  • 259-263
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • Z(MSM 265200014)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 597331
http://linked.open...ai/riv/idVysledku
  • RIV/70883521:28110/03:63501139
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • acid hydrolysis, leather waste, sulphuric acid, ortho-phosphoric acid (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • IN - Indická republika
http://linked.open...ontrolniKodProRIV
  • [5F4F0F4134B5]
http://linked.open...i/riv/nazevZdroje
  • Indian Chemical Engineer. [Incorporating Sections A&B]
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...ocetUcastnikuAkce
http://linked.open...nichUcastnikuAkce
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 45
http://linked.open...iv/tvurceVysledku
  • Mokrejš, Pavel
  • Langmaier, Ferdinand
  • Mládek, Milan
http://linked.open...n/vavai/riv/zamer
issn
  • 0019-4506
number of pages
http://localhost/t...ganizacniJednotka
  • 28110
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