Industrial Water Treatment Companies
End-to-end industrial water treatment companies covering process water, cooling, boiler feed, and wastewater across heavy-industry sites.
57 specialist providers · 18 related · 12 countries
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Specialists in industrial water treatment
Providers whose services or self-declared specialties match this category.
Shunyu
VerifiedChina · 1-50 employees
ShunyuH2O is a professional manufacturer of SY02-P granular ferric hydroxide filter media, specialized in simultaneous arsenic and phosphate removal from groundwater, municipal drinking water and industrial wastewater. Our GFH adsorbent media effectively reduces arsenic concentration below EPA standard 10μg/L, featuring high contaminant capacity, long service life and stable performance under fluctuating pH. We supply bulk filter media to global water treatment system manufacturers, environmental engineering contractors and groundwater remediation projects, covering North America, Latin America, Europe, MEA and APAC regions. With stable factory supply, complete technical data support and customized packing service, we provide cost-effective heavy metal removal solutions for arsenic-polluted water projects worldwide.
Buyer's guide
The buyer's guide to industrial water treatment
Matching Industrial Water Treatment Scope to Process and Regulatory Requirements
Industrial water treatment spans four distinct functions: process water production (ultrapure water for electronics, deionized water for manufacturing, softened water for steam generation), process water recycling and reuse, effluent treatment for discharge compliance, and zero liquid discharge for water-scarce or environmentally constrained sites. Each function has different technology requirements, capital intensity, and regulatory framework. Large industrial facilities often operate all four simultaneously as part of an integrated water management strategy.
The water intensity of industrial processes varies enormously by sector. Semiconductor fabs require ultrapure water with resistivity above 18 MΩ·cm and particle counts below 10/mL, demanding multi-stage RO, electrodeionization (EDI), and UV TOC reduction. Power plant cooling systems treat millions of liters per day with cycles-of-concentration programs. Mining operations manage high-TDS, high-metals-content process water under complex permit conditions. A treatment provider's relevance is directly tied to their experience in your specific industrial vertical, not just their general water treatment capability.
Industrial water treatment procurement increasingly involves digital monitoring and process integration requirements. SCADA integration, real-time effluent quality dashboards, and automated dosing control are now standard expectations for large process facilities. When evaluating providers, ask about their control system architecture, historian compatibility, and how their monitoring data integrates with your plant DCS. Providers who can deliver both the chemistry and the control infrastructure reduce the number of vendor interfaces your operations team must manage.
Frequently asked questions
How do I determine if I need a full water audit before specifying an industrial treatment system?
A water audit is essential when your facility lacks current data on all water inputs, consumption points, losses, and discharge volumes. Without it, treatment system design is based on assumptions that often prove inaccurate and result in undersized or oversized equipment. A water audit maps mass and quality balances across all process streams, identifies the highest-value reuse opportunities, and provides the feedwater characterization data that technology providers need to produce accurate proposals rather than ballpark estimates.
What is electrodeionization (EDI) and when does it replace mixed bed polishing in industrial plants?
Electrodeionization uses ion exchange resin continuously regenerated by a low-voltage direct current to produce high-purity water (typically 10–18 MΩ·cm) without the chemical regeneration required by traditional mixed bed demineralizers. EDI is specified in electronics, pharmaceutical, and power applications where continuous production without acid/caustic regeneration interruptions is required, and where chemical handling and waste neutralization costs for mixed bed regeneration are significant. EDI requires RO pre-treatment producing feed water with TDS below 50 mg/L to operate reliably.
What questions should I ask when evaluating industrial water treatment EPC contractors?
Ask for the specific process design basis document they will use to size each treatment unit, not just the system P&ID. Confirm they will perform guaranteed performance testing at commissioning against defined effluent quality parameters with documented acceptance criteria. Ask who is responsible for operator training and how long the training period lasts. Clarify the warranty boundary between process performance (their responsibility) and feedwater quality variation (potentially yours), and negotiate a feedwater excursion protocol that defines acceptable variation.
How do industrial water treatment costs compare between CAPEX-purchase and service-based models?
Under a CAPEX-purchase model, the facility owns the equipment and bears all operating risk - chemical costs, maintenance, membrane replacement, and compliance risk. Under a water-as-a-service or BOT (Build-Operate-Transfer) model, the provider owns the equipment and delivers treated water at a fixed price per cubic metre over a contract term (typically 7 to 15 years). Water-as-a-service transfers technology risk and operating complexity to the provider but typically carries a 20 to 40% premium over the long-run CAPEX operating cost for facilities with strong internal operations capability.
Illustrative scenario · Chemical manufacturing plant, Teesside, UK
A composite drawn from typical projects in this category, not a single client engagement. Figures are indicative.
- Challenge
- A specialty chemicals manufacturer was discharging process wastewater with COD consistently above 800 mg/L against an EA permit limit of 125 mg/L, resulting in permit breach notices and escalating non-compliance fees. The existing treatment plant was undersized for the current production volumes and lacked pH control.
- Approach
- A full process review identified three batch discharge streams with highly variable COD loads that were overwhelming the biological treatment stage. An equalization tank with automated pH dosing was installed upstream of the biological unit, and a physicochemical pre-treatment stage using coagulation and dissolved air flotation was added to remove non-biodegradable COD fractions before the biological step.
- Outcome
- COD in treated effluent fell consistently below 80 mg/L, providing compliance headroom against the 125 mg/L permit limit. Permit notices were withdrawn following 6 months of compliant monitoring data. The equalization tank also reduced peak loading to the biological unit, extending the membrane life in the downstream MBR by an estimated 2 years.
Questions to ask shortlisted providers
5
- 01
Can you provide a full water balance for our facility before proposing a treatment train, and will that balance be included in the project deliverables?
Without a validated water balance, treatment system sizing is based on assumptions that frequently result in under- or over-specification.
- 02
What is the design basis for effluent quality, and does it account for worst-case batch discharge scenarios rather than just average flows?
Industrial effluent is rarely at average composition during peak production; designing only to average conditions almost guarantees permit breaches during high-load events.
- 03
What performance bond or contractual guarantee do you offer against the EA permit limits we must meet at the point of discharge?
Without a performance guarantee tied to specific consent parameters, the operator bears the regulatory risk even if the design is flawed.
- 04
How does your system handle production shutdowns and restarts, which often cause shock loads to biological treatment?
Biological treatment systems are sensitive to feed interruption and resumption; providers must demonstrate how their system manages these transitions without permit breaches.
- 05
What spare parts inventory do you maintain, and what is your guaranteed response time for a critical equipment failure?
An industrial treatment plant failing during production means effluent may need to be held or production curtailed; response time commitment directly affects operational risk.
What drives cost in this category
4
- Effluent flow rate and variability
- Highly variable flows require equalization infrastructure to protect downstream processes; the equalization tank volume and associated civils can represent 20 to 30% of total project cost.
- Contaminant complexity and regulatory limits
- Tight permit limits for multiple parameters (COD, ammonia, suspended solids, specific metals) require more treatment stages and more intensive monitoring, multiplying both capital and operating cost.
- Energy intensity of treatment technology
- Aerobic biological treatment using diffused aeration can consume 0.5 to 2 kWh/kg COD removed; for high-strength industrial effluents, energy is often the dominant operating cost driver.
- Sludge production and disposal route
- Physicochemical and biological processes generate sludge that must be dewatered and disposed of; sludge disposal costs (GBP 30 to GBP 150 per tonne depending on composition) can match or exceed chemical treatment costs for high-solids streams.
Key regulations and standards
4
- Environmental Permitting Regulations 2016
- Requires all industrial dischargers to surface water or groundwater to hold an Environmental Permit specifying consent conditions for flow, BOD, COD, suspended solids, and specific pollutants.
- Water Industry Act 1991 (Trade Effluent Consent)
- Industrial dischargers to public sewer must obtain a trade effluent consent from the local water company, specifying volume, composition, and timing of discharge.
- BS EN ISO 15681
- Standard for determination of orthophosphate and total phosphorus in water, relevant to permit compliance monitoring for phosphorus-sensitive receiving waters.
- EA Horizontal Guidance H1
- Sets out the methodology for assessing environmental impact of industrial discharges, used to determine permit conditions and required treatment standards.
From the Insider
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- Water Treatment Plant O&M: Build vs Buy vs Outsource