Abstract: A flow reactor includes a flow reactor module having a heat exchange fluid enclosure with an inner surface sealed against a surface of a process fluid module, the inner surface having two or more raised ridges crosswise to a heat exchange flow direction from an inflow port or location to an outflow port or location and having a gap of greater than 0.1 mm between the two or more raised ridges and the surface of the process module.

Abstract: A flow reactor includes a flow reactor module having a heat exchange fluid enclosure with an inner surface sealed against a surface of a process fluid module, the inner surface having two or more grooves therein extending in a second direction at least partially crosswise to the first direction, at least two of the two or more grooves each having positioned therein a respective wall extending both into the respective groove and out of the respective groove beyond the inner surface.

Abstract: A flow reactor has a module having a process fluid passage with an interior surface, a portion of the passage including a cross section along the portion having a cross-sectional shape, and a cross-sectional area with multiple minima along the passage. The cross-sectional shape varies continually along the portion and the interior surface of the portion includes either no pairs of opposing flat parallel sides or only pairs of opposing flat parallel sides which extend for a length of no more than 4 times a distance between said opposing flat parallel sides along the portion and the portion contains a plurality of obstacles distributed along the portion.

Abstract: A flow reactor includes a flow reactor module having a heat exchange fluid enclosure with an inner surface sealed against a surface of a process fluid module, the inner surface having two or more raised ridges crosswise to a heat exchange flow direction from an inflow port or location to an outflow port or location and having a gap of greater than 0.1 mm between the two or more raised ridges and the surface of the process module.

Abstract: A flow reactor has a module having a process fluid passage with an interior surface, a portion of the passage including a cross section along the portion having a cross-sectional shape, and a cross-sectional area with multiple minima along the passage. The cross-sectional shape varies continually along the portion and the interior surface of the portion includes either no pairs of opposing flat parallel sides or only pairs of opposing flat parallel sides which extend for a length of no more than 4 times a distance between said opposing flat parallel sides along the portion and the portion contains a plurality of obstacles distributed along the portion.

Abstract: A flow reactor has a module having a process fluid passage with an interior surface, a portion of the passage including a cross section along the portion having a cross-sectional shape, and a cross-sectional area with multiple minima along the passage. The cross-sectional shape varies continually along the portion and the interior surface of the portion includes either no pairs of opposing flat parallel sides or only pairs of opposing flat parallel sides which extend for a length of no more than 4 times a distance between said opposing flat parallel sides along the portion and the portion contains a plurality of obstacles distributed along the portion.

Abstract: A flow reactor has a module having a process fluid passage with an interior surface, a portion of the passage including a cross section along the portion having a cross-sectional shape, and a cross-sectional area with multiple minima along the passage. The cross-sectional shape varies continually along the portion and the interior surface of the portion includes either no pairs of opposing flat parallel sides or only pairs of opposing flat parallel sides which extend for a length of no more than 4 times a distance between said opposing flat parallel sides along the portion and the portion contains a plurality of obstacles distributed along the portion.

Abstract: A flow reactor has a module (12) that comprises at least first (20), second (30), and third (40) parallel plates stacked temporarily or permanently together and defining a first thermal fluid layer (25) between the first (20) and second plates (30) and a process fluid layer (35) between the second (30) and third plates (40), the process fluid layer (35) comprising a process fluid passage (32) having two or more U-bends and three or more successive process fluid passage segments joined by respective U-bends, the first thermal fluid layer (25) comprising at least two open thermal fluid channels (26) in the second plate (30), the at least two open channels (26) positioned, when viewed in a plan view of the module (12), between respective adjacent process fluid passage segments.

Abstract: A flow reactor fluidic module (12) includes a reactant fluid module (20) having an internal process fluid passage (22) and a first major planar outer surface (24a) and a thermal resistance R between the internal process fluid passage (22) and the first major planar surface (24); a thermal control fluid module (30) having an internal thermal control fluid passage (32) and a second major planar outer surface (34a); a holding structure (50) holding the reactant fluid module (20) and the thermal control fluid module (30); and a gap (25) separating the first major planar surface (24a) from the second major planar surface (34a). The gap (25) comprises an interchangeable or replaceable substance or sheet (26) having a thermal resistance G across the gap (25), wherein G is not equal to R.

Abstract: A flow reactor fluidic module (12) includes a reactant fluid module (20) having an internal process fluid passage (22) and a first major planar outer surface (24a) and a thermal resistance R between the internal process fluid passage (22) and the first major planar surface (24); a thermal control fluid module (30) having an internal thermal control fluid passage (32) and a second major planar outer surface (34a); a holding structure (50) holding the reactant fluid module (20) and the thermal control fluid module (30); and a gap (25) separating the first major planar surface (24a) from the second major planar surface (34a). The gap (25) comprises an interchangeable or replaceable substance or sheet (26) having a thermal resistance G across the gap (25), wherein G is not equal to R.

Abstract: A flow reactor has a module (12) that comprises at least first (20), second (30), and third (40) parallel plates stacked temporarily or permanently together and defining a first thermal fluid layer (25) between the first (20) and second plates (30) and a process fluid layer (35) between the second (30) and third plates (40), the process fluid layer (35) comprising a process fluid passage (32) having two or more U-bends and three or more successive process fluid passage segments joined by respective U-bends, the first thermal fluid layer (25) comprising at least two open thermal fluid channels (26) in the second plate (30), the at least two open channels (26) positioned, when viewed in a plan view of the module (12), between respective adjacent process fluid passage segments.

Abstract: A microreactor device (100) comprises a microcircuit (110) defining a reaction microchamber (112) containing a liquid and reaction medium (114), in which a chemical reaction takes place generating the gas (116), and is characterized in that the device (100) is disposed substantially vertically or inclined, defining an upper part (120) and a lower part (130) of the microchamber, and in that means (150) are provided in the upper part (120) of the said microcircuit for the in situ collection and removal of the gas formed during the reaction.

Abstract: A microreactor includes a plurality of interconnected microstructures arranged in m process units with the process units configured to be operable together in parallel. Each of the m process units has a number n of respective process fluid inlets, wherein a number y of the n respective process fluid inlets are connected individually to respective non-manifolded fluid pumps, and wherein a number n minus y of the n respective process fluid inlets are connected to a respective manifolded fluid pump via a manifold, wherein y is an integer from 1 to n?1 inclusive.

Abstract: A microfluidic device comprises at least one reactant passage defined by walls and comprising at least one parallel multiple flow path configuration comprising a group of elementary design patterns being able to provide mixing and/or residence time which are arranged in series with fluid communication so as to constitute flow paths, and in parallel so as to constitute a multiple flow path elementary design pattern, wherein the parallel multiple flow path configuration comprises at least two communicating zones between elementary design patterns of two adjacent parallel flow paths, said communicating zones being in the same plane as that defined by said elementary design patterns between which said communicating zone is placed and allowing passage of fluid in order to minimize mass flow rate difference between adjacent parallel flow paths which have the same flow direction.

Abstract: A multiple-layered microfluidic device includes at least a first fluid path and at least a second fluid path, wherein the first fluid path includes a layer or portion of a layer of the microfluidic device. The first path has multiple rows of serpentine wall segments positioned there along. The wall segments extend in a direction along the first path. The rows extend along a direction cross-ways to the first path. Adjacent ones of wall segments within a row are arranged such that concave portions face concave portions of adjacent ones of segments, while convex portions face convex portions of adjacent ones of segments.

Abstract: A microreactor device (100) comprises a microcircuit (110) defining a reaction microchamber (112) containing a liquid and reaction medium (114), in which a chemical reaction takes place generating the gas (116), and is characterized in that the device (100) is disposed substantially vertically or inclined, defining an upper part (120) and a lower part (130) of the microchamber, and in that means (150) are provided in the upper part (120) of the said microcircuit for the in situ collection and removal of the gas formed during the reaction.

Abstract: A microfluidic device [10] includes at least one reactant passage [26] and one or more thermal control passages defined therein, the one or more thermal control passages being positioned and arranged within two volumes [12,14] each bordered by a wall [18,20], the walls being generally planar and parallel to one another, the reactant passage positioned between said generally planar walls and defined by said generally planar walls and walls [28] extending between said generally planar walls, wherein the reactant passage comprises multiple successive chambers [34], each such chamber including a split of the reactant passage into at least two sub-passages [36], and a joining [38] of the split passages, and a change of passage direction, of at least one of the sub-passages, of at least 90 degrees.

Abstract: A microreactor includes a plurality of interconnected microstructures arranged in m process units with the process units configured to be operable together in parallel. Each of the m process units has a number n of respective process fluid inlets, wherein a number y of the n respective process fluid inlets are connected individually to respective non-manifolded fluid pumps, and wherein a number n minus y of the n respective process fluid inlets are connected to a respective manifolded fluid pump via a manifold, wherein y is an integer from 1 to n-1 inclusive.

Abstract: A multiple-layered microfluidic device comprises at least a first fluid path and at least a second fluid path, wherein the first fluid path comprises a layer or portion of a layer of the microfluidic device. The first path has multiple rows of serpentine wall segments positioned there along. The wall segments extend in a direction along the first path. The rows extend along a direction cross-ways to the first path. Adjacent ones of wall segments within a row are arranged such that concave portions face concave portions of adjacent ones of segments, while convex portions face convex portions of adjacent ones of segments.

Abstract: A microfluidic device comprises at least one reactant passage defined by walls and comprising at least one parallel multiple flow path configuration comprising a group of elementary design patterns being able to provide mixing and/or residence time which are arranged in series with fluid communication so as to constitute flow paths, and in parallel so as to constitute a multiple flow path elementary design pattern, wherein the parallel multiple flow path configuration comprises at least two communicating zones between elementary design patterns of two adjacent parallel flow paths, said communicating zones being in the same plane as that defined by said elementary design patterns between which said communicating zone is placed and allowing passage of fluid in order to minimize mass flow rate difference between adjacent parallel flow paths which have the same flow direction.