Veolia ZW1500 vs ZW1500X: Product Difference Specification

 Veolia ZW1500 vs ZW1500X: Product Difference Specification

As a global leader in water treatment solutions, Veolia has continuously optimized its ZeeWeed ultrafiltration membrane series to meet diverse application needs. The ZW1500 and ZW1500X are two core models in the ZeeWeed 1500 product line, with the ZW1500X being an upgraded version of the ZW1500, featuring enhanced performance and optimized design. This document details the key differences between the two models to assist customers in making informed selection decisions.

1. General Overview

Both the ZW1500 and ZW1500X are pressurized ultrafiltration (UF) membrane modules based on Veolia's proprietary PVDF (polyvinylidene fluoride) hollow fiber technology, designed for outside-in filtration. They are widely used in drinking water treatment, tertiary filtration, and RO pretreatment for brackish water and seawater, delivering superior effluent quality while meeting or exceeding global regulatory requirements regardless of source water quality. The primary distinction lies in the ZW1500X’s upgraded material performance, optimized structural design, and enhanced operational efficiency, making it more suitable for complex water quality conditions and intelligent operation scenarios.

2. Key Technical Differences

Specification Category	ZW1500	ZW1500X
Membrane Material	Standard PVDF hollow fiber membrane, providing reliable mechanical strength and chemical resistance.	Upgraded composite PVDF hollow fiber membrane, with tensile strength increased to 1.8 times that of the ZW1500. It features enhanced hydrophilicity and fouling resistance, ensuring stable flux retention (over 92% within a 3-year operation cycle).
Membrane Fiber Dimensions	Nominal fiber diameter: OD 1.2 mm, ID 0.66 mm.	Optimized nominal fiber diameter: OD 1.1 mm, ID 0.66 mm. The refined design improves flow distribution and reduces energy consumption during operation.
Weight Specifications	Max shipping weight (packaged): 37 kg (80 lb); Lifting weight: 30-46 kg (65-100 lb) (varies with solids accumulation).	Max shipping weight (packaged): 32 kg (70 lb); Lifting weight: 30-36 kg (65-80 lb) (varies with solids accumulation). The lighter design simplifies transportation and installation.
Operational Energy Efficiency	Operates with stable transmembrane pressure (TMP) range of 0-276 kPa (0-40 psi), with standard energy consumption for operation.	Optimized flow channel design (via computational fluid dynamics simulation) controls TMP within 0.3 bar, significantly reducing system energy consumption. Equipped with "pulse air-water backwash" technology, reducing backwash water consumption by 45% compared to the ZW1500.
Intelligent Compatibility	Compatible with basic monitoring systems, requiring manual adjustment for cleaning cycles and operation parameters.	Fully compatible with Veolia’s patented AquaVision 3.0 monitoring system. This AI-enabled platform with machine learning algorithms can real-time predict membrane fouling trends and provide accurate chemical cleaning cycle recommendations, extending membrane service life by approximately 30%.
Application Adaptability	Suitable for conventional water quality conditions, including general drinking water treatment, tertiary filtration, and standard RO pretreatment. It has high solids tolerance and can handle moderate turbidity spikes.	Ideal for complex and harsh water quality conditions (e.g., high-turbidity raw water, drought-prone areas). It excels in municipal sewage reuse, high-demand RO pretreatment, and scenarios requiring long-term stable operation with minimal maintenance.

3. Common Features

Despite the differences mentioned above, the ZW1500 and ZW1500X share the following core features, ensuring consistent and reliable performance across applications:

•          Nominal pore diameter of 0.02 µm, ensuring optimal removal of particulates, bacteria, and viruses.

•          Outside-in filtration mode, providing uniform flow distribution and high solids tolerance, reducing pretreatment requirements.

•          PVC housing with GRP caps, offering excellent corrosion resistance and structural stability.

•          Consistent module dimensions and connections: Height 1919 mm (75.6 in), Diameter 180 mm (7”), Feed & Permeate 2” (DN 50) Victaulic, Reject 1½” (DN 40) Victaulic, ensuring compatibility with standard module racks and easy system integration.

•          Same operating parameter ranges: Flow range 45-180 m³/day (8-33 gpm), Max shell inlet pressure 379 kPa (55 psi), Max temperature 40 °C (104 °F), Operating pH 5.0-10.0, Air scour flow 5.1 m³/h (3 d cfm), Backwash flow 1.8 m³/hr (8 gpm).

•          Identical cleaning specifications: Cleaning pH range 2.0-12.0, Max chlorine concentration 1,000 mg/L (as NaOCl) (higher concentrations possible depending on feedwater and pH).

•          High recovery rate (greater than 95%), promoting water conservation and operational efficiency.

4. Selection Guidelines

•          Choose the ZW1500 for standard water treatment applications with conventional water quality, where cost-effectiveness and basic reliable performance are the primary requirements (e.g., small to medium-sized drinking water plants, general industrial process water treatment).

•          Choose the ZW1500X for applications with complex water quality, high operational efficiency demands, or intelligent management needs (e.g., municipal sewage reuse projects, drought-prone areas, large-scale RO pretreatment systems, facilities requiring minimal maintenance and extended membrane life).

5. Disclaimer

All specifications and differences outlined in this document are based on Veolia’s latest product data as of the publication date. Veolia reserves the right to modify product specifications without prior notice to incorporate technological advancements. For specific application scenarios and customized solutions, please contact Veolia’s official technical support team.

Veolia Water Technologies
Official Website: www.veoliawatertechnologies.com