Expert RO Engineering Library

Your Gateway to Professional RO Design Resources

Access a curated library of reverse osmosis engineering documents, design drawings, O&M manuals, and free online calculators β€” trusted by engineers worldwide.

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Engineering Documents
30+
Years of Experience
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Free Calculators
Early Access
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Design & Training Documents

Browse free and premium engineering resources. Free documents open directly; premium documents are available for $5 each or via subscription.

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RO Design Software Library

Free online calculators and design tools for filtration, cost estimation, chemical dosing, and more.

Pricing & Subscription Plans

Choose pay-per-download or subscribe for unlimited monthly access. All purchases include a download link delivered directly to your email.

Starter
$10/ month
Ideal for engineers who need occasional design references each month.
  • βœ“ 5 document downloads per month
  • βœ“ Full access to Drawing Library
  • βœ“ Full access to Training Documents
  • βœ“ Download link sent to your email
  • βœ“ Cancel anytime
Unlimited
$50/ month
Full unrestricted access β€” ideal for EPC firms, consultants and engineering offices.
  • βœ“ Unlimited document downloads
  • βœ“ Full access to entire library
  • βœ“ Exclusive early access to new docs
  • βœ“ Multi-user office access
  • βœ“ Download link sent to your email
  • βœ“ Priority support
Pay Per Document
No subscription needed. Each premium drawing or document is $5. Add to cart, checkout, and receive your download link by email instantly.
$5 per doc
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Consultancy Services

Our engineering team brings 30+ years of hands-on RO, desalination and wastewater treatment experience. We provide tailored consultancy for system upgradation, performance improvement, and technical problem-solving.

System Upgradation & Modernisation
Assessment and redesign of aging RO systems to improve energy efficiency, recovery rates, and membrane life. We evaluate your existing plant and provide a detailed upgrade roadmap.
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Performance Troubleshooting & Optimisation
Diagnosing flux decline, high salt passage, pressure drops, fouling issues, and chemical dosing inefficiencies. We deliver actionable solutions to restore and enhance system performance.
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Engineering Design & Detail Engineering
Custom P&ID development, GA drawings, hydraulic design, pipe sizing, instrumentation philosophy, and complete engineering packages for new or modified RO and STP plants.
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Technical Training & Knowledge Transfer
On-site or online training programs for operators and engineers covering RO fundamentals, system operation, chemical dosing, membrane maintenance, and performance monitoring.
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Project Review & Audit
Independent technical review of RO system designs, tender documents, vendor submittals, and operating procedures to ensure compliance and performance requirements are met.
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Desalination & Wastewater Treatment
End-to-end consultancy for SWRO desalination and industrial/municipal wastewater treatment projects including concept development, detail design, procurement support, and commissioning.
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Ready to Talk to an RO Expert?

Whether you need a quick technical opinion or full project support, our team is here to help. Get in touch and we'll respond within 24 hours.

Contact Our Team

Who We Are

RO Design Library is a specialist engineering resource platform founded by professionals with over 30 years of hands-on experience in reverse osmosis, desalination, and wastewater treatment engineering.

Our mission is to make professional-grade RO engineering documents, design drawings, and tools accessible to engineers, operators, and consultants worldwide β€” whether for learning, reference, or active project use.

  • 30+ years of RO and desalination engineering experience
  • Free and premium resources for all levels
  • Practical, project-ready documents and drawings
  • Engineering consultancy for upgrades and troubleshooting
  • Trusted by engineers across the Middle East and beyond

Get in Touch

Have a technical question, need a specific document, or looking for consultancy support? We'd love to hear from you. Our team responds within 24 hours.

info@rodesignlibrary.com
Visit our YouTube channel @RODesignLibrary for free engineering tutorials & guides. Subscribe Now — Get 1 Month FREE subscription — absolutely free, no credit card needed. First 100 subscribers only! Subscribe Free Don’t miss out — Subscribe to @RODesignLibrary and unlock 1 Full Month FREE— absolutely free, cancel anytime. Practical RO Engineering, Desalination Guides & Design Tools — all on @RODesignLibrary. Subscribe & secure your spot! Subscribe Free
Visit our YouTube channel @RODesignLibrary for free engineering tutorials & guides. Subscribe Now — Get 1 Month FREE subscription — absolutely free, no credit card needed. Subscribe Free

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