Upon completing a captcha payment is usually sent 20-30mins after but can take up to an hour or more (rare case) if server is backed up. Payments are sent to faucetbox. Once faucetbox threshold is reached they will then send the payments to your bitcoin address.
"FaucetBOX.com is a middleman between you and faucets you use. That allows you to collect all coins from all faucets you use (if only they use FaucetBOX.com) to a single place and payout it from us. That way you:
Can reach payout limit faster.
You reduce clutter in your wallet.
You can control when you want to payout by setting your own payout threshold on address check page."