HF alkylation definition

HF alkylation or hydrofluoric alkylation, means a refinery process which combines isobutane and C3/C4 olefins using HF acid as a catalyst to make high octane gasoline blend stock.
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Examples of HF alkylation in a sentence

  • The size of each permanent shop shall be adequate to allow shop personnel to accomplish all normal shop operations.

  • The CSB’s most recent (April 2019) correspondence to EPA on the issue of HF alkylation does not recommend that EPA undertake regulatory action to ban HF alkylation, nor do CSB’s own comments submitted during the public comment period,14 so the issue of whether EPA should compel the elimination of HF alkylation through regulation is not centrally relevant to the 2019 RMP final rule.

  • These assessments of HF alkylation safety systems are presented in three groups.

  • The most compelling data come from the knowledgeable and experienced refinery workers who operate HF alkylation units, or who would be expected to respond to an emergency.

  • Responses should include completion of the attached Appendices, as well as address the requirements of Section 3 and the selection criteria in Section 1.4. Your response must be placed in a sealed envelope and clearly labeled with the title "MRRA Snow Removal Contractor Bid” and the firm’s name and business address and mailed or delivered to MRRA’s address in Section 1.2 above.

  • Therefore, he does not speak for the CSB, and his statements referred to in States’ Supplemental Comments regarding CSB investigations, the dangers of HF alkylation, and the proposed Reconsideration rule, statements that occurred after his termination and in some cases years after his last official CSB duties occurred, do not represent recommendations from the Chemical Safety Board.

  • The 23 site survey response teams rated 32 process safety systems related to HF alkylation units.

  • In these tests, HF was released at a temperature of 40°C and a pressure of 110 to 120 pounds per square inch (psi61 (conditions approximating petroleum Page 13refinery HF alkylation unit operating parameters).

  • HF alkylation allows for more selective formation of octane using smaller quantities of acid and with decreased catalyst degradation in process.

  • The risk of transporting large quantities of H2SO4 is currently being discussed.39In a study of HF alkylation, ELF is studying how to protect HF-containing vessels from fire by: examining the quality of materials for exterior coverings and their resistance tofire; determining the best methods and standards for control (in conjunction with Ministry of Industry); and conducting in situ trials with fire on tanks uncovered as opposed to those covered.

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