HPD® Evaporation and Crystallization

Innovative Process Solutions

MBD™ Modular Brine Crystallization System

Evaporation is an effective and reliable method to treat wastewaters that contain relatively high concentrations of total dissolved solids (TDS).

Veolia Water Technologies offers the MBD™ (Modular Bulldozer Design) System as an ideal solution that not only effectively treats high TDS wastewater, but also manages the subsequent mixed salts.

Utilizing Veolia's HPD® thermal evaporation technology, it is a proven and cost-effective solution to the high cost, permitting issues, and long-term liabilities associated with multiple ponds.


System Description

HPD® MBD Crystallizer

The MBD™ Crystallizer is supplied as 3 modules

The system is based on HPD® Forced Circulation Crystallization technology to treat a variety of waste streams followed by management of waste brines for disposal (as a concentrated or solid waste brine).

This "Bulldozer" system is supplied as a modular, skidded system and designed to treat feed from RO reject, ponds, or untreated brines without complex pretreatment.

  • Capacity: 13.5 m³/h (70 gpm)
  • High-efficiency, Mechanical Vapor Recompression (MVR) driven
  • Process designed to resist scaling
  • Materials of construction minimizes corrosion
  • Used for volume reduction or Zero Liquide Discharge (ZLD)

Benefits & Features

Environmental Performance

  • Water recovery up to 99%
  • High-purity distillate suitable for reuse, discharge, or aquifer reinjection
  • Produces solid salt cake suitable for landfill disposal (ZLD option)
  • Minimal chemical consumption

Modular Design

  • Rapid deployment
  • Supplied as (3) skids; can be redeployed
  • Shippable by standard, over-the-road transport
  • Small footprint

Mixed Salt Management

  • Centrifuge or filter press
  • Supplied as skidded package

Module Contents Overview

Components Ancillary Equipment Included

Module #1

Heater/vapor body


Platforms and decking

Module #2

Vapor washer

Instrumentation, control panels


Packaged Skid

Compressor + motor


Electrical, wiring

Optional Module #3

ZLD package


Motor starters (option)

General Arrangement

Simplified Flow Diagram

Typical for Model 300