Where do the silicon content and total sulfur in ethylene cracking gasoline products come from?
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I have a question: where do the silicon content and total sulfur in ethylene cracking gasoline products come from? I understand that the total sulfur content in pyrolysis gasoline is due to the sulfur present in it itself as well as the addition of sulfur during the pyrolysis process. Is DMDS or H2S generally used in this process? What is the impact of the injection amount on the content of pyrolysis gasoline, and is a total sulfur content of 200 ppm in gasoline considered within the normal range? In what form does total sulfur exist? What is the approximate range for the ratio? For a silicon content of 3000 ppm in the pyrolysis gasoline, is this brought in by the raw material? Is the value within the normal range?
The sulfur content is caused by the addition of sulfur during the pyrolysis process. The silicon content is caused by some silicon-containing defoamers added during the processing (mainly silicone-based substances)