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An exchangeable capsule for preparing a predetermined quantity of beverage suitable for consumption is disclosed. The exchangeable capsule comprises a circumferential wall, a bottom, closing the circumferential wall at a first end, and a lid closing the circumferential wall at a second end opposite

An exchangeable capsule for preparing a predetermined quantity of beverage suitable for consumption is disclosed. The exchangeable capsule comprises a circumferential wall, a bottom, closing the circumferential wall at a first end, and a lid closing the circumferential wall at a second end opposite the bottom. The wall, the bottom and the lid enclose an inner space comprising beverage ingredient for preparing the beverage. The bottom comprises an entrance area for supplying fluid to the ingredient, wherein the lid comprises an exit area for draining beverage from the capsule. The beverage ingredient comprises at least a soluble substance. The exit area comprises an exit filter that is adapted to substantially prevent non-dissolved soluble substance from leaving the capsule. A system for preparing a beverage comprising such a capsule and a method for preparing a beverage is also disclosed.

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1. An exchangeable capsule and an apparatus comprising a receptacle for holding the exchangeable capsule, said exchangeable capsule for preparing a predetermined quantity of beverage suitable for consumption, the exchangeable capsule comprising: a circumferential wall, a bottom, closing the circumfe

1. An exchangeable capsule and an apparatus comprising a receptacle for holding the exchangeable capsule, said exchangeable capsule for preparing a predetermined quantity of beverage suitable for consumption, the exchangeable capsule comprising: a circumferential wall, a bottom, closing the circumferential wall at a first end, and a lid closing the circumferential wall at a second end opposite the bottom,wherein the wall, the bottom and the lid enclose an inner space comprising beverage ingredient for preparing the beverage,wherein the bottom comprises an entrance area for supplying fluid to the ingredient, wherein the lid comprises an exit area for draining beverage from the exchangeable capsule,wherein the beverage ingredient comprises at least a soluble substance, andwherein the apparatus comprises a fluid dispensing device for supplying an amount of fluid under pressure to the exchangeable capsule via an entrance area of the exchangeable capsule, wherein an exit area of the exchangeable capsule is adapted to cooperate with an outlet of the receptacle to drain the beverage from the exchangeable capsule into a container,wherein the receptacle comprises lid piercing means intended for piercing an exit area of an alternative hermetically sealed capsule further comprising an entrance area, when the exit area of the alternative capsule sufficiently presses against the lid piercing means under the influence of the pressure of the fluid and/or beverage in the alternative capsule for creating at least one exit opening through which the beverage can drain,wherein the exit area of the exchangeable capsule comprises an exit filter that is adapted to substantially prevent non-dissolved soluble substance from leaving the exchangeable capsule, and wherein the exit filter is formed by a perforate flexible foil layer provided with a plurality of exit openings and wherein the perforate flexible foil has a tear strength such that when pressed against the lid piercing means of the apparatus the perforate flexible foil does not tear or rupture and the lid stays intact. 2. The exchangeable capsule and apparatus according to claim 1, wherein the perforate layer is a polymeric film provided with a plurality of exit openings. 3. The exchangeable capsule and apparatus according to claim 1, wherein the soluble substance is at least one of instant chocolate powder, instant coffee powder, instant milk powder, and an instant flavoring powder. 4. The exchangeable capsule and apparatus according to claim 3, wherein the beverage ingredient additionally comprises an extractable ingredient. 5. The exchangeable capsule and apparatus according to claim 1, wherein the entrance area comprises an entrance filter or a perforate sheet provided with a plurality of entrance openings, for supplying the fluid to the extractable product there through. 6. The exchangeable capsule and apparatus according to claim 1, wherein the entire inner space is occupied by the at least one beverage ingredient. 7. The exchangeable capsule and apparatus according to claim 1, wherein the circumferential wall is substantially rigid. 8. The exchangeable capsule and apparatus according to claim 1, wherein the exchangeable capsule comprises an outwardly extending rim at the second end, wherein the lid is attached to the outwardly extending rim. 9. The exchangeable capsule and apparatus according to claim 8, wherein the exit filter is attached to the outwardly extending rim. 10. The exchangeable capsule and apparatus according to claim 1, wherein the exit filter is part of the lid, wherein an exit filter surface is smaller than a lid surface. 11. The exchangeable capsule and apparatus according to claim 1, wherein the exchangeable capsule further comprises a lid seal and/or a bottom seal at least partially removable connected the lid and/or the bottom, respectively, for sealing the exit filter and/or the entrance filter, respectively, prior to use. 12. The exchangeable capsule and apparatus according to claim 1, wherein the circumferential wall is cylindrical, hemispherical, frustoconical or polygonal. 13. The exchangeable capsule and apparatus according to claim 1, wherein the exchangeable capsule is biodegradable. 14. The exchangeable capsule and apparatus according to claim 1, wherein the fluid dispensing device is arranged for supplying the fluid to the exchangeable capsule under a pressure of approximately 4-20 bars. 15. The apparatus and exchangeable capsule of claim 1, wherein there is no additional supporting structure within the inner space of the exchangeable capsule. 16. The apparatus and exchangeable capsule of claim 1, wherein the perforate flexible foil with the plurality of exit openings spans substantially the entire exit area of the exchangeable capsule. 17. The apparatus and exchangeable capsule of claim 1, wherein the lid piercing means engage the exit filter such that the exit filter deforms against the lid-piercing means. 18. An exchangeable capsule and an apparatus comprising a receptacle for holding the exchangeable capsule, said exchangeable capsule for preparing a predetermined quantity of beverage suitable for consumption, the exchangeable capsule comprising: a circumferential wall, a bottom, closing the circumferential wall at a first end, and a lid closing the circumferential wall at a second end opposite the bottom,wherein the wall, the bottom and the lid enclose an inner space comprising beverage ingredient for preparing the beverage,wherein the bottom comprises an entrance area for supplying fluid to the ingredient, wherein the lid comprises an exit area for draining beverage from the exchangeable capsule,wherein the beverage ingredient comprises at least a soluble substance, andwherein the apparatus comprises a fluid dispensing device for supplying an amount of fluid under pressure to the exchangeable capsule via an entrance area of the exchangeable capsule, wherein an exit area of the exchangeable capsule is adapted to cooperate with an outlet of the receptacle to drain the beverage from the exchangeable capsule into a container,wherein the receptacle comprises lid piercing means intended for piercing an exit area of an alternative hermetically sealed capsule further comprising an entrance area, when the exit area of the alternative capsule sufficiently presses against the lid piercing means under the influence of the pressure of the fluid and/or beverage in the alternative capsule for creating at least one exit opening through which the beverage can drain,wherein the exit area of the exchangeable capsule comprises an exit filter that is adapted to substantially prevent non-dissolved soluble substance from leaving the exchangeable capsule, and wherein the exit filter is formed by a perforate flexible foil layer provided with a plurality of exit openings and wherein the perforate flexible foil has a tear strength such that when pressed against the lid piercing means of the apparatus the perforate flexible foil does not tear or rupture and the lid stays intact;wherein there is no additional supporting structure within the inner space of the exchangeable capsule;wherein the perforate flexible foil with the plurality of exit openings spans substantially the entire exit area of the exchangeable capsule;wherein the lid piercing means engage the exit filter such that the exit filter deforms against the lid-piercing means.