Compact wastewater crystallization built around energy reuse.
The X-Series combined falling film evaporation, mechanical vapor recompression, and a closed-vessel Stage II crystallizer in one modular platform. The X-180 served as Slipstream’s primary commercial configuration, with a nominal treatment capacity of 3 gallons per minute.
X-180: 3 GPM of crystallization capacity.
The X-180 was intended for industrial facilities needing meaningful wastewater-volume reduction and water recovery without the scale, footprint, and complexity of a conventional large ZLD installation.
Modular capacity for different treatment requirements.
Historical X-Series documentation identified three standard configurations. Larger systems were contemplated through modular scaling and parallel equipment arrangements.
From wastewater feed to recovered water and crystallized solids.
The X-Series was designed as a complete treatment architecture rather than a stand-alone evaporator. Concentration, vapor recompression, condensation, secondary crystallization, and solids discharge were integrated within one automated system.
Feed and Recirculation
Wastewater enters through an integrated feed pump and circulates through the Stage I reactor until operating conditions are established.
Falling Film Evaporation
A thin recirculating film is heated to produce vapor while the liquid phase becomes progressively more concentrated.
Mechanical Vapor Recompression
Low-pressure vapor is compressed to increase its temperature and pressure, allowing it to be reused as process heat.
Stage II Crystallization
Concentrate moves to the closed-vessel crystallizer, where it is further dewatered and discharged as a controlled solids stream.
Extreme energy efficiency at crystallization.
Conventional thermal systems become increasingly energy-intensive as wastewater moves from evaporation toward crystallization. The X-Series architecture was developed to reduce that penalty by reusing vapor energy in Stage I and returning vapor from Stage II to create an additional evaporative effect.
- Mechanical vapor recompression recycles Stage I process vapor
- Stage II vapor returns to Stage I for further energy reuse
- Low-pressure steam supplies the required make-up energy
- The energy-reuse architecture continues through crystallization—not evaporation alone
Scaling Management
Designed for concentrated and difficult industrial streams.
Historical documents list several operating ranges for different X-Series versions. These values provide design context, but they were not intended to confine the platform to mild or narrowly defined wastewater. The architecture was developed for difficult chemistry, with scale control, solids management, and materials selection configured around the stream.
Industrial materials and serviceable system architecture.
The X-Series was engineered around practical fabrication, corrosion resistance, component access, and direct access to wetted and heat-transfer surfaces. If scaling reduced thermal performance, those surfaces could be cleaned and descaled without replacing the complete system.
- 316L stainless steel wetted surfaces as the standard material
- Titanium, high-nickel, and high-molybdenum alloys available for more aggressive chemistry
- Epoxy-coated structural carbon-steel frame
- Integrated forklift pockets and maintenance-access provisions
- 316L piping, fittings, valves, and ancillary wetted components
- Industrial-duty actuators, TEFC motors, and corrosion-resistant fasteners
- Replaceable wetted and heat-transfer surfaces
Core Equipment Architecture
Recovering and reusing process vapor as thermal energy.
The documented Slipstream MVR compressor captured low-pressure vapor and increased its pressure and temperature so the vapor could be reused within the evaporation process.
Designed for automated operation with operator visibility.
The X-Series used industrial controls to sequence the process, monitor system readiness, regulate operating conditions, and indicate when solids were ready for controlled discharge.
PLC and HMI
Allen-Bradley PLC and touchscreen HMI architecture with simple start, stop, status, and alarm interaction.
Pressure and Flow
Pressure monitoring and regulation, flow monitoring, and continuous level indication with analog outputs.
Weight and Solids Readiness
Integrated weight monitoring supported the determination of Stage II dewatering progress and solids-discharge readiness.
Published capacities, dimensions, operating ranges, and component specifications reflect historical Slipstream documentation. Distillate quality, recovery, energy use, operating cost, anti-scaling chemistry, cleaning frequency, and final materials selection should be confirmed through current engineering review.
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