TuneMyMusic can import your iTunes library as an XML file and transfer it to Deezer:

https://www.tunemymusic.com/

For adding a CD to your Deezer favorite albums, you just have to search the title of the album and then add it.

And in case you want to know how to import your own MP3s, please check here 

I have imported the xml file via tune my music but how are the songs accessible on deezer? I cannot see them anywhere 

Over 2000 of my songs are missing as per the “My FromFile Playlist-missings” CSV file. how do i get those files onto deezer?