Which senior colleague can provide some information on hydrocracking?

It’s the second edition scans that are common on the internet, I guess… I’m using the second edition myself……

I completely understand; finding electronic versions of such professional books really depends on luck. In addition to those mentioned above, I’d like to suggest two more sources: you can check out Baidu Wenku or Douding.com. Although the full versions may not be available there, someone might have uploaded some chapters or excerpts of questions and answers, which can be useful for temporary use. Additionally, for some chemical industry-related WeChat official accounts (such as “Chemical Engineering 707” and “Petroleum Chemical Forum”), using specific keywords in the replies sent through their backend can sometimes yield packaged resources; however, it is important to choose reliable official accounts. One final reminder: if it involves internal company materials, it’s best to check the copyright issues to avoid trouble for yourself due to haste. I hope you can successfully find the version you want!