Is it permissible for a person afflicted with chronic flatulence to recite the Quran without wudu?

There is no harm in reciting the Quran without ablution (Wudu'), based on the statement of 'Aishah, may Allah be pleased with her: "The Prophet, may Allah's prayers and peace be upon him, used to remember Allah at all times." However, if the recitation is from the Mus'haf (physical copy of the Quran), then ablution is required to touch it, due to the Prophet's statement, may Allah's prayers and peace be upon him: "None shall touch the Quran except one who is pure."