Integrated desalination energy recovery module

2:

• The RO energy recovery module of claim 1, wherein the ERD is a first ERD of a plurality of substantially identical ERDS having inputs and outputs that are fixed to and in fluid communication with the longitudinal conduits.

3:

• The RO energy recovery module of claim 2, wherein the first ERD is located on a first side of the transverse stack of longitudinal conduits, and wherein a second ERD of the plurality of ERDs is located on an opposing, second side of the transverse stack of longitudinal conduits.

4:

• The RO energy recovery module of claim 1, wherein the ERD comprises a substantially cylindrical transverse body.

6:

• The RO energy recovery module of claim 1, wherein the IMP is transversely nested between the low-pressure water conduit and the high-pressure brine conduit.

7:

• The RO energy recovery module of claim 1, wherein the IMP is substantially cylindrical, having a diameter that does not exceed a largest diameter of the longitudinal conduits by more than 25%.

8:

• The RO energy recovery module of claim 1, wherein the IMP is substantially cylindrical about an IMP axis, the IMP comprising:
• an impeller configured to rotate about the IMP axis;
• a plurality of permanent magnets fixed to a rear side of the impeller and configured to pass in close axial proximity to a corresponding plurality of stator coil assemblies as the impeller rotates, the permanent magnets and stator coil assemblies in combination forming an integral, axial motor that drives the impeller.

(canceled)

10:

• The RO energy recovery module of claim 1, wherein the IMP comprises a plurality of IMP modules directly interconnected longitudinally and coaxially in series, all of which are transversely nested between the first longitudinal conduit and the second longitudinal conduit.

11:

• The RO energy recovery module of claim 1, wherein the IMP comprises a plurality of IMP modules interconnected in parallel and extending laterally from the pressurized water conduit between the first longitudinal conduit and the second longitudinal conduit.

13:

• The RO system of claim 12, wherein the ERD is a first ERD of a plurality of substantially identical ERDS having inputs and outputs that are fixed to and in fluid communication with the longitudinal conduits.

14:

• The RO system of claim 13, wherein the first ERD is located on a first side of the transverse stack of longitudinal conduits, and wherein a second ERD of the plurality of ERDs is located on an opposing, second side of the transverse stack of longitudinal conduits.

15:

• The RO system of claim 12, wherein the IMP is transversely nested between the low-pressure water conduit and the high-pressure brine conduit.

16:

• The RO system of claim 12, wherein the IMP is substantially cylindrical, having a diameter that does not exceed a largest diameter of the longitudinal conduits by more than 25%.

17:

• The RO system of claim 12, wherein the IMP is substantially cylindrical about an IMP axis, the IMP comprising:
• an impeller configured to rotate about the IMP axis;
• a plurality of permanent magnets fixed to a rear side of the impeller and configured to pass in close axial proximity to a corresponding plurality of stator coil assemblies as the impeller rotates, the permanent magnets and stator coil assemblies in combination forming an integral, axial motor that drives the impeller.

(canceled)

19:

• The RO system of claim 12, wherein the IMP comprises a plurality of IMP modules directly interconnected in series, all of which are transversely nested between the first longitudinal conduit and the second longitudinal conduit.

20:

• The RO system of claim 12, wherein the RO energy recovery module is one of a plurality of substantially identical RO energy recovery modules that are included in the RO system, the RO energy recovery modules being aligned in a longitudinal row, axial inlets of the low-pressure water conduits, axial outlets of the IMPs, axial inlets of the high-pressure brine conduits, and axial outputs of the low-pressure brine conduits being transversely spaced apart and longitudinally aligned and interconnected respectively by a low pressure water manifold, an IMP manifold, a high-pressure brine manifold, and a low pressure brine manifold.

21:

• The RO energy recovery module of claim 1, wherein the ERD is entirely supported by the longitudinal conduits.

22:

• The RO system of claim 12, wherein the ERD is entirely supported by the longitudinal conduits.