Possible Clues:

• Perhaps make short detectives dig endlessly?
• Condense
• Nudist, ill-mannered, keeping press out
• To convert from liquid to vapour and back again
• Filter list I'd assembled
• Purify copper, however briefly
• Extract from dandelion's head is served up pickled
• Extract the essential meaning of
• Extract, refine
• Concentrate when its lid is removed