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v3.23.1

Summary Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Segment Reporting |  |
Sales | $ 160,874 | $ 179,714
Equity in net (income) from affiliated companies | 223 | 5,749
Ecoservices |  |
Segment Reporting |  |
Sales | 137,740 | 154,060
Catalyst Technologies |  |
Segment Reporting |  |
Sales | 23,134 | 25,654
Catalyst Technologies | Zeolyst Joint Venture |  |
Segment Reporting |  |
Sales | 22,074 | 28,977
Adjusted EBITDA from reportable segments | 5,436 | 11,474
Equity in net (income) from affiliated companies | 226 | 5,787
Amortization of investment in affiliate step-up | 1,601 | 1,601
Joint venture depreciation, amortization and interest | 3,609 | 4,087
Operating segments |  |
Segment Reporting |  |
Adjusted EBITDA from reportable segments | 49,776 | 66,316
Operating segments | Ecoservices |  |
Segment Reporting |  |
Sales | 137,740 | 154,060
Adjusted EBITDA from reportable segments | 36,787 | 49,341
Operating segments | Catalyst Technologies |  |
Segment Reporting |  |
Sales | 23,134 | 25,654
Adjusted EBITDA from reportable segments | $ 12,989 | $ 16,975

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