For more than 15 years, CN Water has been a strategic partner with BWT Pharma & Biotech, one of the world’s leading providers of water technology. Our association with BWT enables us to leverage the most cutting edge processes and technology innovations in clean utilities. The core technologies that we offer customers are:

Filtration
Membrane technology (ultra filtration, nano filtration, reverse osmosis)
Ion exchange processes
SEPTRON® Electrodeionization (EDI)
STERITRON ozone generation 
BEWADES UV-technology
Disinfection
Conventional filtration (multimedia, activated carbon, cartridges, bags, etc.)
Air based and electrolytic ozone

BWT provides a range of reverse osmosis (RO) and SEPTRON® EDI technology to continuously and reliably produce purified water that complies with current specifications without harming the environment.

SEPTRON® AND SEPTRON® BIOSAFE

BWT is the only European manufacturer of EDI modules. In the early 1990s, the SEPTRON® electrodeionisation module paved the way for environmentally friendlier water treatment. Today SEPTRON® is the core component of many modern water treatment systems.

SEPTRON®

The BWT-designed and patented EDI module was specially developed for the pharmaceutical industry and is used for the demineralization of water with a low ion content (permeate). It works according to the principle of combining ion exchange and electrodialysis. Electrical current is used instead of chemicals. In combination with upstream reverse osmosis (RO), the SEPTRON® EDI module increases purity and safety during the production of highly purified water.

SEPTRON® highlights are:

316L stainless steel housing
Seal-free, spiral-wound technology
100% factory tested and certified
Various individual size modules from 150l/h up to 4,000l/h for optimal system configuration

SEPTRON® BIOSAFE

With SEPTRON® BioSafe, BWT Pharma & Biotech offers the world’s first EDI module with integrated ultrafiltration membrane stage. It is based on the tried and tested SEPTRON® module and has been enhanced to include an ultrafiltration membrane unit for particle and germ removal and pyrogen reduction. 

Pharmaceutical grade highly purified water (HPW) can be generated with SEPTRON® BioSafe in combination with upstream reverse osmosis (RO).

SEPTRON® BioSafe highlights are:

Highest pure water quality
Low investment, low costs of operation and energy
Compact space saving skid design

STERITRON (CONTINUOUS OZONISATION AT COLD STORAGE)

STERITRON is a compact electrolytic ozone generator for generating ozone directly from PW/HPW without the need for chemicals. STERITRON ensures highly efficient, cost-effective, automated and continuous sanitization of the storage and distribution system.

Part of the highly purified water is taken from the flow line via a bypass line and fed into the return line of the loop. The water passes through the STERITRON ozone generator cell, where dissolved ozone is added. This process guarantees complete protection of the PW/HPW storage system. A BEWADES UV system at the beginning of the loop breaks down the ozone to an undetectable level < 5 ppb.

STERITRON highlights are:

No risk of contamination because the ozone is generated directly from PW/HPW and dissolves in water.
Extremely effective reduction of the number of germs, TOC and endotoxins are removed even at low ozone concentrations. 
Continuous operation without the need for additional, periodic disinfection with chemicals and steam. 
The tank and the loop do not have to be separate.
Simple installation and commissioning; little maintenance required and very low operating costs. 

BEWADES P (UV DESTRUCTION OF RESIDUAL OZONE)

The BEWADES UV unit in pharmaceutical design ("P") is used for disinfection and elimination of residual ozone in ultra-pure water circuits.

The UV systems in pharmaceutical design are especially designed for this field of use; in particular, all components that come into contact with media are in steel quality 1.4404 (corresponding to 316 L) and electro polished (surface finish < 0.5 μm).

BEWADES P highlights are:

Efficient disinfection of pure water and ultra-pure water.
Easiest solution for ozone removal in ultra-pure water.
High operation reliability.
Lowest operating and maintenance costs.
No impairment of water quality by UV irradiation.

Understanding of local source water conditions plays a crucial role in designing an effective potable water generation system. Major design challenges in potable water generation are:

Contamination: In certain locations, feed water quality is almost at waste water discharge limits of BOD, COD and TOC
Availability: Varying levels of feed water availability can be seen in different regions. Often, environmental factors such as rainfall and temperature impact feed water availability.
Microbial Growth: Especially in tropical climates, microfilm can pose a significant challenge to potable water generation systems.

CN's local water knowledge and experience of treating feed water across various locations in India enable it to build best-in-class potable water solutions to handle various levels of feed water quality and availability.

CN Water is the pioneer in bringing purified water solutions based on RO + EDI technology in the Indian pharmaceutical industry. Our EDI products (in partnership with BWT Pharma) have been widely used for the production of purified water (PW) and highly purified water (HPW) in accordance to the Ph. Eur. and the US Pharmacopoeia. 
We offer some of the world’s most advanced EDI products that are compact, skid-mounted, pre-qualified systems, fully tested at our factory and installed at site.

CN Water’s range of WFI & Pure Steam products (from its partner BWT) match global standards for performance, reliability and energy efficiency. Each system complies with the latest cGMP and GAMP requirements and includes features that enable integration into an overall system. The products are fully equipped to be integrated to an overall building management or 21 CFR Part 11 data storage system.

Storage and Distribution Systems play a critical role in a complete water solution. CN Water is a leader in storage and distribution systems, and are the first to introduce loop piping in the Indian pharmaceutical market. We follow cGMP guidelines for storage and distributions to meet increasing quality and compliance needs.