Currently almost half of the chromium consumed by the U.S. tanning industry is being deposited at landfill sites. In 1978, this amounted to 27,300 tons of dichromate. The research presented in this report consisted of benchscale tests directed towards ways to increase the usage of this wasted chromium. The report discusses the advantages and disadvantages of the methods tested for recovering chromium from leather scraps, tannery wastewater, and wastewater sludge.
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