follow these processes for reactivating Facebook account instantly,
This process is called appealing process.
Open Facebook login page.
Log into Facebook account.
Enter the required Email and Mobile Number.
Complete your name which have listed on Facebook.
and given below Govt. Poofs ID like a passport, birth certificate, marriage certificate, etc.
Click on submit button with a appeal to the Facebook.
In case, you aren't able to resolve then visit here for
how to reactivate Facebook account.