Product Specifications

Optional Features

The system offers automatic crystallization, salt separation, mother liquor drying, cloud-based remote monitoring, titanium construction for corrosive service, advanced effluent treatment, and integrated zero liquid discharge (ZLD) capabilities.

Product Description & Applications

Overview

The BHP MVR evaporator industrial wastewater system is an energy-efficient, low-temperature evaporation solution engineered for treating high-salinity industrial wastewater. By recovering and reusing heat from generated vapor, it concentrates wastewater and promotes crystallization with significantly reduced energy consumption. The system is designed specifically for wastewater volume reduction and zero liquid discharge (ZLD) applications, delivering reliable, fully automated operation. As a leading industrial wastewater treatment evaporator, the BHP-MVR series addresses the most challenging brine concentration and resource recovery requirements across multiple industrial sectors.

The BHP evaporator ZLD high-salinity solution represents a high-efficiency mechanical vapor recompression evaporator for zero liquid discharge and high-salinity industrial wastewater treatment. Unlike conventional multi-effect evaporators that depend on continuous external steam supply, this system compresses vapor generated during evaporation, raising its temperature and pressure so that its latent heat can be directly reused in the evaporation process, dramatically improving thermal efficiency. This mechanical vapor recompression evaporator technology is particularly advantageous for facilities where electricity is more cost-effective than steam, or where steam availability is limited.

Operating under vacuum at 45–85°C, the industrial wastewater treatment evaporator achieves wastewater concentration and salt crystallization at relatively low temperatures, protecting heat-sensitive materials and minimizing scaling associated with high-temperature evaporation. This combination of high evaporation efficiency and low energy demand significantly reduces total operating costs. The fully automated PLC control system enables continuous 24-hour operation with automatic feed control, concentration, discharge, and in-place cleaning cycles. The high-salinity wastewater evaporation system is well suited to industrial wastewater volume reduction, resource recovery, and zero liquid discharge (ZLD) projects across diverse manufacturing sectors.

Key Advantages

1. High Energy Efficiency and Low Operating Costs

By recompressing and reusing process vapor, the MVR evaporator industrial wastewater system achieves more than 70% energy consumption reduction compared to conventional multi-effect systems. Minimal external steam demand directly lowers long-term operating and utility expenses. For facilities with high electricity availability, the mechanical vapor recompression evaporator offers a compelling total-cost-of-ownership advantage over steam-driven alternatives.

2. Low-Temperature Operation and Reduced Fouling

Vacuum operation enables evaporation at lower temperatures, preventing thermal degradation of sensitive components and minimizing high-temperature scaling. This design is ideal for heat-sensitive feed streams and significantly reduces cleaning and maintenance frequency. The industrial wastewater treatment evaporator maintains stable performance even with feed streams containing organic compounds that are prone to degradation at higher temperatures.

3. High Treatment Efficiency and Stable Continuous Operation

Continuous feeding and controlled discharge maintain stable evaporation performance and reliable wastewater volume reduction, even with highly concentrated or high-salinity streams. The high-salinity wastewater evaporation process achieves consistent concentration factors, ensuring predictable output quality for downstream crystallization or disposal.

4. Fully Automatic Control

Integrated PLC control provides automatic temperature regulation, liquid-level management, fault detection, and automated cleaning cycles, reducing operator involvement and maintenance requirements. The BHP evaporator ZLD high-salinity system can operate unattended for extended periods, supporting lean staffing models and reducing labor costs.

5. Material Durability and Chemical Resistance

Optional 316L stainless steel and titanium alloy construction ensures robust resistance to acidic and alkaline environments, making the industrial wastewater treatment evaporator suitable for a broad spectrum of corrosive industrial wastewater applications. This material flexibility ensures long service life and reliable performance even in electroplating and chemical processing environments where chloride-induced corrosion is a known risk.

6. Zero Liquid Discharge and Resource Recovery

The mechanical vapor recompression evaporator concentrates wastewater and crystallizes dissolved salts to achieve zero liquid discharge objectives while enabling recovery of potentially valuable constituents and industrial materials. By converting liquid waste into solid salts and distilled water, the MVR evaporator industrial wastewater system supports circular economy initiatives and reduces environmental compliance burden.

Typical Applications

Electroplating and Printed Circuit Board Manufacturing

The high-salinity wastewater evaporation system concentrates electroplating rinse waters and heavy-metal-bearing streams, reducing disposal volume while supporting regulatory discharge compliance. The low-temperature operation preserves the integrity of any recoverable metals, enabling potential resource recovery.

Chemical & Pharmaceutical Industry

Concentrates chemical mother liquor, pharmaceutical wastewater, and high-COD industrial liquid waste to recover valuable constituents and minimize final disposal volume. The BHP evaporator ZLD high-salinity system is particularly effective for streams containing heat-sensitive active pharmaceutical ingredients (APIs) that require gentle evaporation conditions.

Food & Beverage Processing

Concentrates sugar solutions, fermentation broths, and food-processing wastewater to enable product recovery and support integrated wastewater treatment. The industrial wastewater treatment evaporator preserves flavor and nutritional components through low-temperature operation, delivering high-quality concentrates for further processing.

New Energy & Battery Manufacturing

Treats high-salinity wastewater from lithium battery production and photovoltaic manufacturing, achieving volume reduction and salt crystallization to support ZLD compliance. The mechanical vapor recompression evaporator handles the variable ionic composition characteristic of battery manufacturing effluent.

Textile Printing and Dyeing

Concentrates dyeing wastewater containing high TDS and colorants, reducing discharge volume and enabling water reuse within the facility. The MVR evaporator industrial wastewater system provides consistent performance even with fluctuating feed quality.

Industrial Park ZLD Projects

Serves as the core evaporation unit in centralized zero liquid discharge treatment plants serving multiple production units. The industrial wastewater treatment evaporator is designed for scalability, accommodating varying flow rates and feed compositions from diverse industrial tenants.

Battery and New-Energy Manufacturing

The BHP evaporator ZLD high-salinity system is also deployed in lithium refining and precursor material production, where high-purity water recovery and salt separation are essential for both environmental compliance and production economics. By integrating mechanical vapor recompression evaporator technology, these facilities achieve energy-efficient volume reduction while meeting increasingly stringent discharge limits.

For project-specific design recommendations, contact BHP's process engineering team with your wastewater characterization data — including flow rate, TDS concentration, COD levels, and target salt purity — to receive a customized industrial wastewater treatment evaporator proposal tailored to your application.