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v3.21.2

Summary Financial Information by Reportable Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Segment Reporting |  |  |  |
Sales | $ 146,952 | $ 115,641 | $ 273,576 | $ 241,195
Equity in net income from affiliated companies | 6,755 | 11,468 | 11,965 | 19,763
Ecoservices |  |  |  |
Segment Reporting |  |  |  |
Sales | 120,737 |  | 220,959 |
Catalyst Technologies |  |  |  |
Segment Reporting |  |  |  |
Sales | 26,215 |  | 52,617 |
Operating segments |  |  |  |
Segment Reporting |  |  |  |
Sales | 146,956 | 115,641 | 273,580 | 241,195
Segment Adjusted EBITDA | 61,164 | 60,308 | 112,635 | 120,158
Operating segments | Ecoservices |  |  |  |
Segment Reporting |  |  |  |
Sales | 120,741 | 90,433 | 220,963 | 191,123
Segment Adjusted EBITDA | 40,450 | 34,996 | 73,452 | 72,179
Operating segments | Catalyst Technologies |  |  |  |
Segment Reporting |  |  |  |
Sales | 26,215 | 25,208 | 52,617 | 50,072
Segment Adjusted EBITDA | 20,714 | 25,312 | 39,183 | 47,979
Zeolyst Joint Venture | Catalyst Technologies |  |  |  |
Segment Reporting |  |  |  |
Sales | 33,186 | 40,852 | 62,164 | 73,143
Segment Adjusted EBITDA | 12,055 | 16,855 | 22,592 | 30,580
Equity in net income from affiliated companies | 6,779 | 11,489 | 12,014 | 19,806
Amortization of investment in affiliate step-up | 1,620 | 1,659 | 3,278 | 3,317
Joint venture depreciation, amortization and interest | $ 3,656 | $ 3,707 | $ 7,300 | $ 7,457

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