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Revenue from Contracts with Customers Revenue from Contracts with Customers (Tables) | 12 Months Ended
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Dec. 31, 2021
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue | The Company’s portfolio of products are integrated into a variety of end uses, which are described in the table below:
Key End Uses | Key Products
Industrial & process chemicals | • Sulfur derivatives for industrial production
| • Treatment services
Fuels & emission control | • Refining hydrocracking catalysts
| • Emission control catalysts
| • Catalyst recycling regeneration services
Packaging & engineered plastics | • Catalysts for high-density polyethylene and chemicals syntheses
| • Antiblocks for film packaging
| • Sulfur derivatives for nylon production
Natural resources | • Sulfur derivatives for mining
The following table disaggregates the Company’s sales, by segment and end use, for the years ended December 31, 2021, 2020 and 2019:
|  | Year ended December 31, 2021
|  | Ecoservices |  | Catalyst Technologies |  |  |  |  |  | Total
Industrial & process chemicals |  | $ | 88,844 |  |  | $ | — |  |  |  |  |  |  | $ | 88,844 |
Fuels & emission control(1) |  | 257,070 |  |  | — |  |  |  |  |  |  | 257,070 |
Packaging & engineered plastics |  | 71,991 |  |  | 110,688 |  |  |  |  |  |  | 182,679 |
Natural resources |  | 82,608 |  |  | — |  |  |  |  |  |  | 82,608 |
Total |  | $ | 500,513 |  |  | $ | 110,688 |  |  |  |  |  |  | $ | 611,201 |
|  | Year ended December 31, 2020
|  | Ecoservices |  | Catalyst Technologies |  |  |  |  |  | Total
Industrial & process chemicals |  | $ | 70,648 |  |  | $ | 125 |  |  |  |  |  |  | $ | 70,773 |
Fuels & emission control(1) |  | 225,042 |  |  | — |  |  |  |  |  |  | 225,042 |
Packaging & engineered plastics |  | 38,772 |  |  | 93,882 |  |  |  |  |  |  | 132,654 |
Natural resources |  | 67,451 |  |  | — |  |  |  |  |  |  | 67,451 |
Total |  | $ | 401,913 |  |  | $ | 94,007 |  |  |  |  |  |  | $ | 495,920 |
|  | Year ended December 31, 2019
|  | Ecoservices |  | Catalyst Technologies |  |  |  |  |  | Total
Industrial & process chemicals |  | $ | 80,661 |  |  | $ | 109 |  |  |  |  |  |  | $ | 80,770 |
Fuels & emission control(1) |  | 252,293 |  |  | — |  |  |  |  |  |  | 252,293 |
Packaging & engineered plastics |  | 48,056 |  |  | 85,558 |  |  |  |  |  |  | 133,614 |
Natural resources |  | 66,070 |  |  | — |  |  |  |  |  |  | 66,070 |
Total |  | $ | 447,080 |  |  | $ | 85,667 |  |  |  |  |  |  | $ | 532,747 |
(1) As described in Note 1, the Company experiences seasonal sales fluctuations to customers in the fuels & emission control end use.

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045 + Details
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