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Revenue from Contracts with Customers (Tables) | 3 Months Ended
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Mar. 31, 2024
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The Company’s portfolio of products is integrated into a variety of end uses, which are described in the table below.
Key End Uses | Key Products
Clean fuels, emission control & other | • Refining hydrocracking catalysts
| • Emission control catalysts
| • Catalyst supports used in production of sustainable fuels such as renewable diesel
| • Catalysts used in production of sustainable aviation fuels
| • Catalyst activation
| • Aluminum sulfate solution
| • Ammonium bisulfite solution
Polyethylene, polymers & engineered plastics | • Catalysts for high-density polyethylene and chemicals syntheses
| • Antiblock for film packaging
| • Catalyst for advanced recycling
Regeneration and treatment services | • Sulfuric acid regeneration services
| • Treatment services
Industrial, mining & automotive | • Sulfuric acid for mining
| • Sulfur derivatives for industrial production
| • Sulfuric derivatives for nylon production
The following tables disaggregate the Company’s sales, by segment and end uses, for the three months ended March 31, 2024 and 2023, respectively:
|  | Three months ended March 31, 2024
|  | Ecoservices |  | Advanced Materials & Catalyst(2) |  | Total
Clean fuels, emission control & other |  | $ | 7,389 |  |  | $ | — |  |  | $ | 7,389 |
Polyethylene, polymers & engineered plastics |  | — |  |  | 18,935 |  |  | 18,935 |
Regeneration and treatment services(1) |  | 83,319 |  |  | — |  |  | 83,319 |
Industrial, mining & automotive |  | 50,894 |  |  | — |  |  | 50,894 |
Total segment sales |  | $ | 141,602 |  |  | $ | 18,935 |  |  | $ | 160,537 |
|  | Three months ended March 31, 2023
|  | Ecoservices |  | Advanced Materials & Catalyst(2) |  | Total
Clean fuels, emission control & other |  | $ | 4,740 |  |  | $ | — |  |  | $ | 4,740 |
Polyethylene, polymers & engineered plastics |  | — |  |  | 23,134 |  |  | 23,134 |
Regeneration and treatment services(1) |  | 88,344 |  |  | — |  |  | 88,344 |
Industrial, mining & automotive |  | 44,656 |  |  | — |  |  | 44,656 |
Total segment sales |  | $ | 137,740 |  |  | $ | 23,134 |  |  | $ | 160,874 |
(1)As described in Note 1 to these condensed consolidated financial statements, the Company experiences seasonal s ales fluctuations to customers in the regeneration services product group. (2)Excludes the Company’s proportionate share of sales from the Zeolyst International and Zeolyst C.V. joint ventures (collectively, the “Zeolyst Joint Venture”) accounted for using the equity method (see Note 9 to these condensed consolidated financial statements for further information).

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-5 + Details
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