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Facility ID: 53233GBHRD2615W
Facility Name and Address: D R DIEDRICH & CO LTD 2615 W GREVES ST MILWAUKEE, WI 53233 Parent Company: Industry: Leather and Hide Tanning and Finishing (316110) Chemical: Chromium compounds (except for chromite ore mined in the Transvaal Region) Reports: View TRI Facility profile report for this facility View TRI Form R submissions by this facility |
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Production Related Waste Management for Selected Chemical
lchemid=N090
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Pollution Prevention Activities for Selected Chemical
Reporting Year | Section 8.10: Newly Implemented Source Reduction Activity | Section 8.10: Methods to Identify Activity | Section 8.11: Optional Pollution Prevention Information* |
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2022 |
Source Reduction:: S06: Other material modifications made[-5-14%]
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Methods to Identify SR Opportunities: T10: Vendor assistance
Methods to Identify SR Opportunities: T11: Other Methods to Identify SR Opportunities: T01: Internal pollution prevention opportunity audit(s) |
Source Reduction - Replace current chemistry Source Reduction - Look for assistance in process efficiencies Source Reduction - Work with LWG and look to reduce Other Barriers to Source Reduction - Alternative chemistries do not give same technical performance |
2021 |
Source Reduction:: S11: Reformulated or developed new product line
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Methods to Identify SR Opportunities: T10: Vendor assistance
Methods to Identify SR Opportunities: T09: Trade association/industry technical assistance program Methods to Identify SR Opportunities: T04: Participative team management |
S11: DRD is working with our customers to find alternative chemistries Source Reduction - DRD work with our vendors to achieve environmental stability Source Reduction - DRD are part of the BLC and LWG and work to achieving environmental stability in our industry |
2020 |
Other Barriers to Source Reduction - Technical performance of alternatives need to be proven to our customer base Other Environmental Practices: General Environmental Management - DRD continues to be registered to the LWG Other Environmental Practices: Waste Treatment - Optimizing of Effluent treatment along with increased technical development of the chrome recovery operation within DRD |
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2019 |
Other Environmental Practices: General Environmental Management - Focus on waste water treatment |
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2018 |
Source Reduction:: W81: Changed product specifications[-0-4%]
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Methods to Identify SR Opportunities: T11: Other
Methods to Identify SR Opportunities: T10: Vendor assistance |
W81: Implement no chrome or metal free processes Source Reduction - Work with vendors to find alternative tanninga agents Source Reduction - Liaise with customers to determine future requirements |
2017 |
Other Environmental Practices: General Environmental Management - DRD have a formal environmental management program in place. |
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2009 | Other Environmental Practices - Implemented a chrome recovery system which includes: a surge tank, pumps. oil & grease and TSS separation, chrome precipitation with magnesium oxide via pH adjustment to 8.0, flocculation with a polymer, clarification, filter cake production, resolubilization with 93% sulfuric acid, and mixing with the virgin chrome for use in production. We recover 80% of the available chrome from the spent tanning liquors. | ||
2004 |
Source Reduction:: W32: Improved procedures for loading, unloading, and transfer operations
Source Reduction:: W83: Modified packaging |
Methods to Identify SR Opportunities: T10: Vendor assistance
Methods to Identify SR Opportunities: T10: Vendor assistance |
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2003 |
Source Reduction:: W55: Changed from small volume containers to bulk containers to minimize discarding
Source Reduction:: W58: Other process modifications |
Methods to Identify SR Opportunities: T10: Vendor assistance
Methods to Identify SR Opportunities: T10: Vendor assistance |
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1997 |
Source Reduction:: W32: Improved procedures for loading, unloading, and transfer operations
Source Reduction:: W36: Implemented inspection or monitoring program of potential spill or leak sources |
Methods to Identify SR Opportunities: T01: Internal pollution prevention opportunity audit(s)
Methods to Identify SR Opportunities: T01: Internal pollution prevention opportunity audit(s) |
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1996 |
Source Reduction:: W36: Implemented inspection or monitoring program of potential spill or leak sources
Source Reduction:: W39: Other spill or leak prevention |
Methods to Identify SR Opportunities: T01: Internal pollution prevention opportunity audit(s)
Methods to Identify SR Opportunities: T01: Internal pollution prevention opportunity audit(s) |
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1995 |
Source Reduction:: W32: Improved procedures for loading, unloading, and transfer operations
Source Reduction:: W39: Other spill or leak prevention Source Reduction:: W52: Modified equipment, layout, or piping |
Methods to Identify SR Opportunities: T01: Internal pollution prevention opportunity audit(s)
Methods to Identify SR Opportunities: T04: Participative team management Methods to Identify SR Opportunities: T04: Participative team management |