Spread a layer of baking soda on a cookie sheet and place it in the refrigerator overnight or until the refrigerator odors are gone.
Fresh Coffee Grounds:
Spread a layer of fresh coffee grounds over the bottom of a cookie sheet and place in the refrigeratore overnight. A coffee smell will linger, but will disappear quickly.
Activated charcoal is available at most pet stores. Spread a layer of activated charcoal over the bottom of a cookie sheet. Place the cookie sheet in the refrigerator for a few days, until the odors are gone.
Unscented Cat Litter:
Place a layer of unscented cat litter on the bottom layer of a cookie sheet and place in the refrigerator for a few days, until the odors are removed.