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Reynolds & Bauhm

Industrial Water Treatment & Sludge Management. Reynolds & Bauhm is involved in the design and build of water treatment equipment renowned for efficiency, durability, and reliability.

Our Expertise

Projects & Capabilities

With decades of experience in water treatment engineering, we deliver comprehensive solutions from initial concept through to successful commissioning and beyond.

Metro & Tunnelling

Specialised water treatment solutions for tunnelling projects and metro systems.

Metro & Tunnelling Solutions

Desalination Plants

Complete SWRO desalination systems with DAF pre-treatment, dosing, pumps, and CFD optimisation.

Desalination Plant Solutions

P&ID Development & Engineering Drawings

Complete engineering drawings and P&ID.

Engineering Excellence Since Day One

Reynolds & Bauhm was founded on the principle that water treatment engineering should combine rigorous scientific analysis with practical field experience. Our team includes chartered chemical engineers, environmental scientists, and mechanical designers who have collectively delivered over 500 treatment plants across Europe, the Middle East, Africa, and Asia-Pacific.

Certified Quality

ISO 9001:2015 certified design and manufacturing processes with full traceability.

Global Presence

Headquarters in the UK with operations across Netherlands, Germany, and Poland.

Expert Team

Chartered engineers and specialists with decades of water treatment experience.

Partnership Approach

We work alongside your engineers as an extension of your technical capability.

Our Engineering Values

Precision

Every design is validated by calculation, simulation, and peer review before fabrication.

Sustainability

We prioritise energy efficiency, chemical minimisation, and water reuse in every design.

Reliability

Equipment is designed for 20-year life with minimal maintenance and easy component access.

Certifications, Accreditations & Standards

Our design, manufacturing, and commissioning processes are governed by internationally recognised standards and independently audited management systems.

Quality & Environmental Management

ISO 9001:2015

Quality management system certified by BSI. Covers design, procurement, fabrication, installation, and commissioning of water treatment equipment.

ISO 14001:2015

Environmental management system ensuring lifecycle impact assessment, waste minimisation, and sustainable supply chain selection.

ISO 45001:2018

Occupational health and safety management for fabrication workshops, site installations, and commissioning activities.

Continuous Improvement & Innovation

R&D investment in novel treatment processes, smart monitoring, and digital twin technology keeps our clients ahead of regulatory and operational challenges.

Design & Fabrication Standards

StandardApplication
ASME VIII Div.1Pressure vessel design and fabrication
PD 5500 / EN 13445Unfired pressure vessels (European route)
ASME B31.3Process piping design, stress analysis, supports
BS EN 1090-2Execution of steel structures (EXC2/EXC3)
IEC 61511Functional safety for process industry (SIL)
ATEX 2014/34/EUEquipment for explosive atmospheres
CE Marking (PED)Pressure Equipment Directive compliance
ISA-5.1P&ID symbology and instrumentation

Engineering Team & Credentials

Our multidisciplinary team holds chartered status, professional registrations, and specialist certifications across chemical, mechanical, and environmental engineering.

12
Chartered Engineers (CEng)
8
PhD-Level Specialists
25+
Combined Years Avg. Experience
500+
Plants Delivered

Chartered Chemical Engineers

IChemE-registered process engineers with expertise in reaction kinetics, mass transfer, thermodynamics, and process safety. Lead HAZOP and SIL studies for treatment plant design.

Mechanical Design Engineers

IMechE-registered engineers specialising in pressure vessel design, rotating equipment, materials selection, and structural steel. Proficient in SolidWorks, ANSYS, and Caesar II.

Environmental Scientists

Specialists in effluent characterisation, ecological risk assessment, consent compliance, and environmental permitting under IPPC, EPR, and WFD frameworks.

CFD & Modelling Specialists

PhD-level fluid dynamicists using OpenFOAM, ANSYS Fluent, and bespoke solvers for mixing, aeration, sedimentation, and thermal analysis in treatment vessels.

Commissioning Engineers

Site-based engineers managing FAT, SAT, performance testing, and handover documentation. Experience across UK, EU, Middle East, and African installations.

Project Managers

Prince2 and APM-qualified project managers controlling scope, schedule, and allocation for large-scale design-and-build contracts.

Delivered Project Metrics

Quantified performance across our installed base of treatment plants and process equipment.

MetricValue
Total treatment capacity installed2.8 million m³/day
Largest single plant180,000 m³/day SWRO
Highest COD inlet treated45,000 mg/L (distillery)
Smallest package plant5 m³/day (pharmaceutical R&D)
Average commissioning time4–12 weeks (process dependent)
Performance guarantee achievement>98% of projects
Countries with active installations32
Client repeat business rate74%

Capabilities by Sector

Industrial Wastewater

Food & beverage, textile, pharmaceutical, chemical, and oil & gas effluent treatment from 10 to 50,000 m³/day.

Municipal Water & Wastewater

Drinking water treatment, sewage works, water reuse schemes, and sludge management for populations 1,000 to 500,000 PE.

Desalination & Brackish Water

SWRO and BWRO plants with DAF pre-treatment, cartridge filtration, and energy-recovery device integration.

Environmental Remediation

Lake restoration, reservoir destratification, constructed wetlands, and contaminated groundwater treatment.

Related Pages & Equipment

Equipment Catalogue

Browse our full range of water treatment equipment and systems.

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DAF Systems

Dissolved air flotation for solids and oil separation.

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Lamella Clarifiers

High-rate settling for primary and secondary clarification.

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Biological Treatment

Activated sludge, MBBR, and SBR systems for organic removal.

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Sludge Dewatering

Belt press, centrifuge, and screw press dewatering.

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Chemical Dosing

Automated coagulant, flocculant, and pH correction systems.

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Work with our engineering team

From concept to commissioning, Reynolds & Bauhm provides the technical depth and practical experience to deliver treatment plants that perform. Contact us to discuss your project requirements.

Industries We Serve

Our expertise spans multiple industries with sector-specific water treatment solutions.