You cannot throw away, sell or destroy his personal items. If you have filed for divorce, you may want to file a motion to compel husband to pick up personal property or request that husband pay for the storage of these items, if you need the space.
You may also want to file a motion for temporary exclusive occupancy of the marital residence.
I would advise you to not get rid of his property. It is still his house and he does have a right to have his things there. You should find a away to get the divorce proceedings started so you can establish what the parameters are.
THESE COMMENTS ARE NOT LEGAL ADVICE. They are provided for informational purposes only. Actual legal advice can only be provided after consultation by an attorney licensed in your jurisdiction. Answering this question does not create an attorney-client relationship or otherwise require further consultation.
Sign up to receive a 10-part series of useful information and legal advice about the divorce process.