Question
Selective hydrocracking or selective hydro·isomer·ization are methods for performing this process, which is used to improve low-temperature flow properties like cloud point and pour point. For 10 points each:
[10h] Name this process, in which large paraffins are removed from a petroleum product.
ANSWER: dewaxing [accept winterization; accept descriptive answers indicating the removal of waxes]
[10e] Dewaxing is frequently used when making fuels intended for this type of internal combustion engine, which uses pure compression rather than a spark to ignite the fuel.
ANSWER: diesel engine
[10m] In contrast to the straight-chain alkanes that comprise petrodiesel, biodiesel consists of molecules that have hydrocarbon tails attached to this functional group, which can be produced by reacting an acyl chloride with an alcohol.
ANSWER: esters
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Summary
| 2023 BHSU @ Berkeley | 03/18/2023 | Y | 3 | 13.33 | 100% | 33% | 0% |
| 2023 BHSU @ Maryland | 03/11/2023 | Y | 3 | 16.67 | 100% | 67% | 0% |
| 2023 BHSU @ Northwestern | 02/25/2023 | Y | 6 | 11.67 | 50% | 33% | 33% |
| 2023 BHSU Online | 04/15/2023 | Y | 4 | 12.50 | 75% | 50% | 0% |
| 2023 BHSU @ Sheffield | 04/15/2023 | Y | 2 | 10.00 | 50% | 50% | 0% |
| 2023 BHSU @ Waterloo | 04/15/2023 | Y | 3 | 10.00 | 100% | 0% | 0% |
| 2023 BHSU @ Yale | 04/08/2023 | Y | 3 | 10.00 | 67% | 33% | 0% |
| 2023 BHSU @ Yale | 04/08/2023 | Y | 3 | 16.67 | 100% | 67% | 0% |
Data
| Rutgers Diaspora | Glass Onyen: A Knives Out Mystery | 0 | 10 | 10 | 20 |
| Maryland A | Maryland B+ | 0 | 10 | 0 | 10 |
| Fan-tastic Negs and Where to Find Them | The Perfection of Wisdom in 8,000 Negs | 0 | 10 | 10 | 20 |