Global Electric Desalination and Dehydration Equipment Market to Reach USD 3.59 Billion by 2031, Growing at a CAGR of 10.1%

Electric Desalination and Dehydration Equipment are key equipment used for deep dehydration and desalting in the oilfield crude oil export processing and refining feedstock pretreatment stages. Their basic working principle is that under the action of a high-voltage electric field (typically 10–35 kV), through a polarization-coalescing-sedimentation mechanism, the fine water droplets in the crude oil emulsion system attract each other and coalesce into larger droplets. This is then supplemented by demulsifiers, gravity sedimentation, and the injection of dilution water (in the desalting process) to achieve oil-water separation and inorganic salt migration.

In upstream oilfield scenarios, extracted crude oil, after primary separation, typically still contains 10%–30% water and some inorganic salts, making it unsuitable for direct export. It requires deep dehydration using electrostatic dehydration equipment to reduce the water content to below 0.5% to meet pipeline transportation standards. In the refinery feedstock pretreatment stage, crude oil must pass through electrostatic desalting equipment to remove dissolved or emulsified inorganic salts (such as NaCl, CaCl₂, MgCl₂) before entering the atmospheric and vacuum distillation tower. If these salts are not removed, they will lead to problems such as coking in the heating furnace, pipe corrosion, heat exchanger blockage, and catalyst poisoning, significantly increasing refining energy consumption and operation and maintenance costs.

Desalting processes typically require the injection of a certain amount of dilution water to dilute the salt concentration, allowing the salts to migrate with the aqueous phase, and then separating the water from the oil phase within a high-voltage electric field. After treatment by desalting equipment, the salt content of crude oil can generally be reduced to <5 mg/L, and under optimal operating conditions, it can reach ≤1 mg/L, thereby ensuring long-term, low-corrosion, safe, and stable operation of refining and chemical units.

Electric Desalination and Dehydration Equipment are widely used in upstream oil and gas exploration, onshore gathering and transportation stations, offshore engineering platforms, refining and chemical plants, and storage and transportation terminals, serving as key nodes for oilfield export quality control and refinery energy efficiency management. Typical downstream customers include large domestic and international petrochemical companies such as Sinopec, PetroChina, CNOOC, Yulong Petrochemical, Oriental Shenghong, Rongsheng Petrochemical, and Jingbo Holding Group, as well as international companies like ADNOC (Abu Dhabi National Oil Company), KPC (Kuwait Oil Company), Qatar Energy, and Petrobras.

From a market perspective, Electric Desalination and Dehydration Equipment refer not only to single hardware components but also to an entire lifecycle industry covering equipment manufacturing, installation, commissioning, operation and maintenance, performance optimization, spare parts supply, and upgrades. In this industry study, Electric Desalination and Dehydration Equipment cover the entire lifecycle of main equipment, electric field systems, internal components, installation and commissioning, operation and maintenance, technology upgrades, and spare parts supply, forming a core component of upstream gathering and transportation and downstream refining and pretreatment systems.

Electric Desalination and Dehydration Equipment Product Picture

Electric Desalination and Dehydration Equipment Market Summary

According to the new market research report "Global Electric Desalination and Dehydration Equipment Market 2026 by Company, Regions, Type and Application, Forecast to 2032", published by Global Info Research, the global Electric Desalination and Dehydration Equipment market size is projected to grow from USD 2,017.85 Million in 2025 to USD 3,594.48 Million by 2031, at a CAGR of 10.1% during the forecast period.

Global Electric Desalination and Dehydration Equipment Market Size (US$ Million), 2020-2031

Overview of the electrostatic dehydrator and desalination industry

Electric Desalination and Dehydration Equipment are core process equipment used in crude oil processing for dehydration, desalting, and impurity removal. They typically participate in oil and gas project construction and operation in a full lifecycle model encompassing "equipment + installation + maintenance + service + spare parts."

Their main applications include:

Upstream oilfield production and gathering systems: used to treat emulsified water and solid particles in produced fluids, reducing water cut and stabilizing transportation and storage conditions;

Midstream gathering and terminal stations: used for centralized crude oil processing, water cut control before pipeline transportation, and partial desalting;

Downstream refinery pretreatment units: used for deep desalting and dehydration before atmospheric and vacuum distillation units, controlling crude oil salt content and preventing corrosion, scaling, and catalyst poisoning.

From an industry chain perspective, Electric Desalination and Dehydration Equipment occupy the intersection of oil and gas equipment manufacturing and industrial services. Their market size is comprised of "equipment investment in new/expansion projects + technical upgrades and renovations of existing equipment + long-term operation and maintenance and spare parts services," exhibiting a combination of "project cycle-based" and "service-based stability."

From a global perspective, the future development of the electrostatic dehydrator and desalination equipment industry will mainly evolve along the following directions:

1. Demand Side: From "New Plant Expansion" to a Dual-Engine of "Existing Plant Upgrades + Regional Growth"

New large-scale integrated refining and chemical projects and the development of some oil fields will continue to generate incremental demand, especially in the Middle East, Asia-Pacific, and some resource-rich countries; A larger market space will come from the transformation and upgrading of existing plants to address changes in crude oil structure (heavy, high acid, high salinity), stricter environmental requirements, and energy efficiency optimization.

2. Supply Side: Rising Technological Barriers and Cost Pressures

Ordinary AC dehydration equipment is trending towards standardization, leading to significant price competition; High-end products such as deep desalination, multi-stage composite electric fields, and intelligent control systems will offset price pressures with technological barriers, driving leading companies to transform into R&D and solution-oriented companies.

3. Service Side: The Importance of Lifetime Value Continues to Rise

Long-term operation, stability, safety, and energy efficiency have become core evaluation indicators for refinery and oilfield customers. Companies providing continuous operational optimization, fault diagnosis, spare parts management, and performance enhancement services will gain higher customer loyalty and more stable revenue streams.

4. Geopolitical and Policy Factors: The Indirect Impact of Energy Structure and Carbon Neutrality Goals

While crude oil will remain a fundamental energy source and chemical feedstock for a considerable period, energy transition and emission reduction policies in various countries are guiding refining and chemical layouts towards large-scale, integrated, efficient, and low-emission operations. This will force Electric Desalination and Dehydration Equipment to upgrade to higher desalination efficiency, energy consumption optimization, environmental protection, and safety standards, also providing new growth opportunities for high-end equipment and system suppliers.

Major global and domestic companies include:

SLB (Schlumberger)

Santacc

Axens

AMR Process Limited

CECO Environmental – Peerless

Forum Energy Technologies (FET – EDGE)

Desalters LLC

Frames Group

VME Process / VME Companies

Zhengyuan Petrochemical

Jiangsu Golden Gate Energy & Equipment Co., Ltd.

According to different product types, the following categories are included:

Equipment Hardware

Technical Services

According to different equipment types, the following categories are included:

Electrostatic Desalination Equipment

Electrostatic Dehydration Equipment

Integrated Dehydration and Desalination Equipment

According to different electric field types, the following categories are included:

AC Electric Field

AC+DC Composite Electric Field

Multi-level Composite Electric Field System

According to different applications, the following aspects are mainly included:

Oilfield Production

Gathering and Transportation Systems

Refinery Pretreatment

Others

Global Electric Desalination and Dehydration Equipment Top 5 Players Ranking and Market Share (Ranking is based on the revenue of 2025, continually updated)

This report profiles key players of SLB（Schlumberger）, Santacc, Frames Group, CECO Environmental (Peerless), Axens.

In 2024, the global top 5 Electric Desalination and Dehydration Equipment players account for 63.36% of market share in terms of revenue. Above figure shows the key players ranked by revenue in Electric Desalination and Dehydration Equipment.

This study systematically analyzes the global and Chinese electrostatic dehydrator and desalination equipment industry from 2020 to 2031, based on structured data, enterprise operations, technological evolution, and downstream application economics. The research indicates that the industry's development has shifted from a traditional hardware-driven construction cycle to a structural growth stage characterized by "new construction projects + existing infrastructure upgrades + service value chains," exhibiting quantifiable trends in technology, competitive landscape, and regional demand.

I. The global market has entered a dual-driven stage of "new construction + existing infrastructure upgrades," with steady overall growth.

The global market size maintained an average annual growth rate of approximately 5%–7% from 2020 to 2024, showing a continuous expansion trend, and is projected to further increase by 1.4–1.6 times by 2031 compared to 2024. Growth is driven by two directions: First, planned and under-construction integrated refining and chemical projects in the Middle East, Asia-Pacific, and parts of Latin America are providing substantial new demand, accounting for approximately 55%–60% of the incremental growth over the next five years. Second, the insufficient desalination depth, high energy consumption, and stability issues when facing more complex crude oil combinations in older refining and chemical plants in North America and Europe are leading to increasing demand for technological upgrades, with upgrades of existing plants accounting for over 40% of the total incremental growth. Simultaneously, as the global crude oil quality trend intensifies, the proportion of high-salt, high-acid, and high-water-content oil has increased by approximately 15%–20% in the past three years. The upgrade cycle for refinery pretreatment units has shortened from the traditional 8–10 years to 5–7 years, accelerating the market's pace of replacement and creating stable equipment replacement demand.

Second: Continuous product structure upgrades, with high-end Electric Desalination and Dehydration Equipment, along with composite electric field technology, becoming the main drivers of growth.

Research indicates that future incremental growth will primarily focus on high-value-added desalination systems, composite electric field systems, and deep desalination-related products. The growth rate of Electric Desalination and Dehydration Equipment is projected to reach 6-8% between 2024 and 2031, significantly higher than the 3-4% growth rate of traditional dehydrators, reflecting the rising global demand for deep desalination and complex crude oil processing capabilities. In terms of technology, the global share of AC electric fields will decrease from approximately 50% currently to 40% by 2031, while AC+DC composite electric fields will increase to 35-38%, and the penetration rate of multi-stage composite electric field systems is expected to rise from 15% to 22-25%. Compared to traditional AC technology, these composite electric fields can improve desalination efficiency by 20-30%, reduce demulsifier consumption by 5-10%, and reduce overall energy consumption by 10-15%. Their significant performance advantages are driving global refining companies to accelerate technology substitution, and also causing the growth rate of high-end equipment to be 2-3 percentage points higher than the industry average.

Third: Accelerated Optimization of Application Structure, Refinery Pretreatment Becomes the Most Promising Demand Center The global application structure of Electric Desalination and Dehydration Equipment is showing a significant shift from "upstream oil production and gathering/transportation dominance" to "increased weight of refinery pretreatment." Currently, refinery pretreatment accounts for approximately 35-38% of the global application structure, and this is expected to increase to 40-45% by 2031, becoming the fastest-growing segment. This growth is driven by two key factors: first, the planned and under-construction integrated refining and chemical production capacity globally will exceed 350-400 Mt/year by 2031, continuously generating large-scale demand for new desalting units; second, changes in crude oil mix have significantly increased refineries' reliance on deep desalting capabilities, forcing older units with insufficient desalting capacity or low energy efficiency to enter the upgrade cycle earlier. In contrast, while upstream and gathering/transportation systems still account for approximately 50-55% of the global application structure, their growth rate is only 3-4%, significantly lower than the 6-8% of refinery pretreatment. Overall, refinery pretreatment has become a core scenario driving the increased penetration of high-end equipment, composite electric fields, and digital control systems.

Four: The competitive landscape exhibits a stratified characteristic, with increased concentration in the high-end market and accelerated localization in the mid-range market. The industry's competitive landscape exhibits a structural characteristic of "high-end concentration and mid-range dispersion." The combined market share of the top 5 global suppliers exceeds 35-40%, with their share even reaching over 50% in high-end scenarios such as deep desalination and high-viscosity and high-salt crude oil processing. Technological barriers mainly stem from proprietary process packages, electric field control systems, and internal component design capabilities. In contrast, the mid-range equipment market shows a clear trend towards localization, especially in conventional AC and AC+DC equipment, modular skid units, and station integration products. The global market share of Chinese suppliers has increased from 20-25% three years ago to 30-35% currently, and is expected to further increase to 40-45% by 2031. The rapid localization of this market segment is due to the fact that Chinese companies generally have manufacturing costs 20-40% lower than international manufacturers, shorter delivery cycles (30-50%), and better on-site engineering execution capabilities, giving them a competitive advantage for rapid expansion in the mid-range market.

Five: Rapidly Increasing Service Revenue, Lifetime Value Becomes the Core of Industry Profitability

As the market shifts from simple equipment supply to a full-lifecycle model of "equipment + service + digitalization," the proportion of service and spare parts revenue in the global market has increased significantly. In 2020, service revenue accounted for approximately 25-30%, rising to 35-40% by 2024, and is projected to exceed 45% by 2031. Among these, core components such as electrodes, power grids, and power modules typically have a replacement cycle of 3-5 years. In older, high-water-content oilfields, these components are consumed even faster, causing maintenance revenue to account for 50-70% of the total lifecycle revenue for the corresponding equipment. On the other hand, new services such as digital diagnostics, intelligent electric field adjustment, and online water and salinity monitoring can reduce unplanned downtime by 10–20%, lower energy consumption by 5–10%, and optimize demulsifier costs by 10–15%, providing customers with quantifiable economic benefits. Therefore, future corporate competitiveness will increasingly rely on its service system, digital capabilities, and performance optimization capabilities, rather than solely on hardware manufacturing capabilities.

Six: The Chinese market's growth significantly outpaces the global average, making it a key force driving industry restructuring. The Chinese market's average annual growth rate from 2020 to 2024 is estimated at 7–9%, far exceeding the global average (5–7%), and is projected to maintain a growth rate of 6–8% over the next five years. The growth in the Chinese market mainly comes from three aspects: First, the concentrated commissioning of integrated refining and chemical projects has enabled China to account for 30-35% of the global increase in processing capacity; second, the increasing number of old oilfields with water cut exceeding 80% is forcing oilfield dehydration and gathering systems to enter a more frequent replacement cycle; third, the rapid advancement of localization has significantly increased the number of technological transformation projects, reducing users' investment costs and increasing their willingness to replace equipment. It is projected that by 2031, China's share of the global market will increase from the current 22-25% to 28-32%, making it the world's most important consumer and a major supplier of mid-range equipment.

Seven: Clear Industry Technology Trends; Future Evolution Will Accelerate Along the Direction of High Efficiency, Low Consumption, Intelligentization, and Complete Sets of Equipment

From the perspective of the overall technological evolution path, the industry will accelerate its development along the directions of high-efficiency deep desalination, energy-saving operation, intelligent control, and modular complete sets of equipment. Multi-stage composite electric fields are expected to increase penetration by more than 10 percentage points over the next five to seven years; optimized electrode, grid, and electric field drive systems can reduce energy consumption by 5–10%; online sensors, remote monitoring, and AI-optimized control are expected to cover 40–50% of new installations by 2031; and modular skid equipment in oilfields and terminal stations will grow at 8–10% annually, significantly higher than the industry average. These trends indicate that the industry has shifted from a traditional "equipment-centric" model to a "performance and lifecycle optimization-centric" model. Suppliers need stronger systemic capabilities to gain a sustainable competitive advantage in the future.

In summary, the global and Chinese electrostatic dehydrator and desalinator markets are entering a structural upgrade phase, with growth drivers expanding from single new projects to technological upgrades, services, and digitalization throughout the entire lifecycle. High-end desalination systems and composite electric field technology are becoming the core driving forces for industry growth. The Chinese market leads the world in terms of growth rate, localization rate, and engineering capabilities, and will continue to influence the global supply chain landscape in the coming years. The industry's technological roadmap will accelerate towards high efficiency, low energy consumption, intelligence, and complete sets of equipment. Enterprises' competitive advantage will shift from manufacturing capabilities to a comprehensive capability system of "technology + process + service + digitalization".

Electric Desalination and Dehydration Equipment Report Chapter Summary:
Chapter 1: Electric Desalination and Dehydration Equipment Industry Definition and Market Overview
This chapter clearly defines the product definition, characteristics, and industry statistical scope of Electric Desalination and Dehydration Equipment, systematically introduces its mainstream product classifications and key application areas, and presents the overall size and future outlook of the global market.
Chapter 2: In-depth Analysis of Core Electric Desalination and Dehydration Equipment Companies (2021-2025)
This chapter focuses on the main players in the Electric Desalination and Dehydration Equipment market. For each representative company, it not only introduces its basic overview, main business, and product portfolio, but also highlights its core operating data in the Electric Desalination and Dehydration Equipment field, including sales volume, sales revenue, pricing strategies, and the latest development trends of the company from 2021 to 2025.
Chapter 3: Global Competitive Landscape Analysis (2021-2025)
This chapter examines the global Electric Desalination and Dehydration Equipment competitive landscape from a macro perspective. By comparing the Electric Desalination and Dehydration Equipment sales volume, pricing, revenue, and market share of major companies from 2021 to 2025, it quantitatively analyzes market concentration and interprets the competitive strategies and market position evolution of core manufacturers.
Chapter 4: Electric Desalination and Dehydration Equipment Major Regional Market Size and Prospects (2021-2032)
This chapter conducts a regional-level analysis of the global Electric Desalination and Dehydration Equipment core markets. It will present historical data on the Electric Desalination and Dehydration Equipment market size (sales volume and revenue from 2021-2025) in major regions such as North America, Europe, and Asia Pacific, and provide market outlook forecasts for 2026-2032.
Chapter 5: Electric Desalination and Dehydration Equipment Product Type Segmentation Market Forecast (2021-2032)
This chapter delves into the Electric Desalination and Dehydration Equipment product structure. It will segment the Electric Desalination and Dehydration Equipment market by different types (such as Equipment Hardware、 Technical Services, etc.), and analyze in detail the historical market size of each segmented product category from 2021 to 2025 and the future growth trends from 2026 to 2032.
Chapter 6: Electric Desalination and Dehydration Equipment Application Field Segmentation Market Forecast (2021-2032)
This chapter delves into the downstream application demand for Electric Desalination and Dehydration Equipment. The market will be segmented by different application areas (such as Oilfield Production、 Gathering and Transportation System、 Refinery Pretreatment、 Other, etc.), presenting the historical market size for each area from 2021-2025 and future demand forecasts from 2026-2032.
Chapters 7-11: In-depth Analysis of Global Regional Markets (2021-2032)
This section is the core module of the Electric Desalination and Dehydration Equipment report, providing an in-depth country/regional analysis across five major regions: North America, Europe, Asia Pacific, South America, and the Middle East & Africa. The chapter structure for each region is consistent:
Segmentation by Country/Region: Analysis of the market size and forecasts for major countries within the region from 2021-2032.
Segmentation by Product Type: Presentation of the market structure and development forecasts for different product types within the region from 2021-2032.
Segmentation by Application Area: Analysis of market demand and prospects for different application areas within the region from 2021-2032.
Chapter 12: Global Electric Desalination and Dehydration Equipment Market Dynamics, Challenges, and Trends
This chapter aims to analyze the key internal and external factors affecting the development of the Electric Desalination and Dehydration Equipment market. It systematically reviews the core drivers of Electric Desalination and Dehydration Equipment market growth, the main obstacles and challenges faced, and assesses future product, technology, and market development trends.
Chapter 13: Electric Desalination and Dehydration Equipment Industry Chain Structure Analysis
This chapter analyzes the entire industry chain ecosystem of the Electric Desalination and Dehydration Equipment industry. From upstream raw material supply to midstream production and manufacturing, and then to downstream end-use applications, it analyzes the current status, cost structure, and collaborative relationships of each link.
Chapter 14: Sales Channel Model Research
This chapter focuses on the distribution channels of Electric Desalination and Dehydration Equipment products. It analyzes the market share, advantages and disadvantages, and typical cases of mainstream sales channels, and explores the innovation and development trends of channel models.
Chapter 15: Research Conclusions and Strategic Recommendations
As a summary of the report, this chapter will distill the core findings and conclusions of the entire report and, based on a comprehensive understanding of the Electric Desalination and Dehydration Equipment market, provide actionable strategic development recommendations for industry participants and potential entrants.

For more information, please refer to "Global Electric Desalination and Dehydration Equipment Market 2026 by Manufacturers, Regions, Type and Application, Forecast to 2032". This report analyzes the supply and demand situation, development status, and changes in the industry, focusing on the development status of the industry, how to face the development challenges of the industry, industry development suggestions, industry competitiveness, and industry investment analysis and trend forecasts. The report also summarizes the overall development dynamics of the industry, including the impact of the latest US tariffs on the global supply chain, the supply relationship analysis of the industrial chain, and provides reference suggestions and specific solutions for the industry in terms of products.