#2
I'm not familiar with the song, but I find a great one to make disturbing effects is Buffer Override, which is a free download on this site. You can automate it to get a varying sound, which I find works best. Experiment with it.

There's also the more conventional chorus and distortion, delay etc.
There is poetry in despair.
#4
tou can get some really cool sounds with phase shifting as well, that's actually quite popular with EBM bands at the moment.
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#7
sounds like a "telephone" type effect which is done with EQ (cut everything but the mids)
then it sounds like that "robot effect which can be done with Sonar (V-Vocal pitch corrector)
Some chorus added gives that flanger type effect.
Also add some distortion