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Progen Systems & Technologies Limited

Chennai, Tamil Nadu

| GST  33AABCP6231A1Z4

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Environmental Engineering Division

  • Established as an exclusive licensee of M/s Crane Environmental Inc., a Crane Co., USA, world leaders in Water Treatment Products & Systems (established in 1863) for Deaerators, Membrane based filtration systems (RO, UF, NF, etc.) and Demineralising Plants
  • BGR Energy maintains its leadership in India and Overseas in Deaeration and offers superior technology at most competetive prices.
  • Supplied the largest ever Deaerator in India to 2 × 525 MW Tarapur Atomic Power Station (TAPS) – Unit 4 & 5, capacity of 3103 TPH
  • Supplied, first in India, Deaerators for 3 × 660 MW Super Critical Thermal Power Plant for NTPC – Sipat and Deaerators for Hyundai Heavy Industries, South Korea for IWPP, Marafiq.
  • Supplied Membrane based 12 MLD Effulent Treatment Plant, largest in India for Textile Effluent for Veerapandi, CETP leading to zero discharge.
  • Supplied Total Water Systems to include Pre-Treatment, Demineralisation, Effulent Treatment, Cooling Water Treatment System, Chlorination System etc., for Projects such as 1x500 MW Coal based Power Plants at APGENCO, Vijayawada & Kakatiya, MAHAGENCO, Kapherkheda and Tata Power, Maithon.
  • BGR Energy is the major supplier of Condensate Polishing Plants (CPP) and presently executing eleven such plants including those for Super-Critical Power Plants.

Full Range Of Deaerators Infrastructure Engineering
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Corrosion is the prime enemy to efficient and trouble free operation of boilers in utility & industrial power stations. The destructive corrosion in boiler cycles is caused by the presence of gases such as Oxygen and Carbon dioxide and a low pH value.

Today's employment of higher – pressure cycles has resulted in an even greater need to protect expensive components in the feed cycle from corrosion. A power plant would deteriorate rapidly from the ravages of corrosion if Deaeration of feed water was incomplete. The use of BGR Energy Deaeration system guarantees deaerated feed water with an oxygen content not exceeding 0.005 cc per liter (less than 7 parts per billion) and the reduction of Carbon dioxide concentration to near zero.


1. Spray-Cum-Tray Type Deaerators

Model: Parallel Down Flow

Parallel Down Flow Technology, offered only by BGR Energy, has the design advantages as given below. The Deaerator performs equally well between the extremes of 100% make-up water (below 50° F) and mostly hot condensate as well as substantial flashing returns

Handles higher stream flows through the tray stack.

     Requires the lowest temperature differential of any Deaerator to meet operating warranty; typically
       20 °F or less

     Water seal between trays and the spray section eliminates direct impingement of the spray on the
       trays and insures even distribution of the water over the tray stack.

     Higher steam velocities allow use of trays with less open area, which maximizes spilling edge and
       exposes a greater surface of the water to the stripping action of the stream.

     Optimized mixing plus higher steam velocity results in maximum gas removal efficiency.

     Only design that guarantees two-stage Deaeration.

Deaerating Trays

     One-piece construction, type 430 stainless steel.

     Easily handled by one person.

     The trays are designed so that the pressure shell does not come in contact with the un-deaerated
       water or concentrated non-condensable gases.

     The trays provide excellent performance because they have the highest spilling edge and baffling
       area available in any tray design which allows for maximum water "break-up" and retention time.


BGR Energy Parallel Down Flow Deaerators are available in all capacities ranging from 5 TPH to 4000 TPH.

Model: Counterflow

Advantages of the Counterflow Method

     Cost competitive for large capacity applications

     Highly reliable for attaining specified results
       over a varying load range


     Simplicity and rugged design offers cost savings for many applications, especially where a high
       percentage of condensate returns are introduced

     Good selection for applications with very high percentage of flashing return condensate and for


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Total Water Systems For Power And Process Industries
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BGR Energy is a single source for Total Water Systems for large Size Power and Industrial Plants.


1. Pretreatment

BGR Energy offers a complete line of Filtration, Clarification & Membrane based systems (Micro Filtration, Ultra Filtration) to handle any feed water source.

2. Membrane Based Solutions

With Technology from Crane Environmental Inc., USA, BGR Energy offers complete water solutions using advanced membrane technologies (Reverse osmosis, Nanofiltration etc.,) to treat water for Power & Process Industries.

3. Demineralisation Plant

Demineralization is a reversible interchange of ions present in water and resins to achieve very high purity water. Mixed Bed serves as a final polishing unit as a post treatment to Demineralization Plant and Reverse Osmosis to the requirements of the stringent feed water quality for high pressure boilers and other special applications.

BGR Energy has the experience, qualification and the capability to design, manufacture, supply, install, operate and maintain Demineralisation system for specific application requiring high quality water.

With technical Know-how from Crane Environmental Inc., USA, BGR Energy has successfully commissioned automatic PLC based Demineralisation Plants consisting of Activated Carbon Filter, Two bed/Three bed Deionisers and Neutralisation systems for major power plants.

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Condensate Polishing Plants
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CPP is employed to prevent return steam condensate contaminants and corrosion products from entering into the Turbine / Boiler. CPP overall reduces the operating cost of power plant by improving its efficiency.

These systems are used mainly in large size power plants to increase the overall boiler efficiency by polishing the condensate thereby making it fit for recycling. The improved quality of condensate duly polished reduces scale formation inside the boiler tubes, which in turn results in higher steam generation and effects better economics.

Working of Condensate Polishing CPP

  • Removes TDS from Cooling Water ingress or from Make-Up Water
  • Removes Iron/ Copper Oxides to prevent Boiler Corrosion
  • Removes Silica from Make-Up water to prevent any deposition or corrosion in Turbine
  • Removes Weak Acids & Organics from Make-Up water or Boiler Additives
  • Reduces the consumption of Chemicals (Ammonia/ Ammine, etc.)
  • Reduces the Blow Down Volume
As an exclusive licensee of Termomeccanica, Italy, the World Leader in Condensate Polishing Plants, we offer the complete range of CPP's for sub and super critical power stations.

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Abundant availability of sea and brackish water makes for an abundant source of water. A number of seawater desalination plants are coming up all over world for both drinking and industrial applications.The cost of desalination water is projected to reduce by 20% in the next 5 years and by 50% by the year 2020. There are also several concerns on the environmental impact, cost viability, energy intensiveness and brine disposal in desalination projects.

Seawater desalination using reverse osmosis is the least expensive, most environmentally friendly desalination method available today and is increasingly employed to alleviate water shortages. Advancements in membrane technology, have helped make seawater osmosis (SWRO) a viable alternative to traditional thermal method.

In association with Inima, Spain, BGR Energy undertakes Desalination Projects on EPC/BOOT basis. Inima is third largest Desalination Company in the World and has more than 45 years experience and has supplied 37 large size Desalination plants worldwide.

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Effluent Treatment with recovery is pertinent to meet increasing water demands. Today, membrane processes have been the choice, which offers resource recovery (water and chemical). However, feed water quality to membrane systems is an important criteria for sustainable effective operation and efficient performance of the system. The pretreatment modules for membrane system in various sectors are chemical precipitation, electro-coagulation, chlorination, ozonation, catalytic oxidation, bio-oxidation succeeded by pressure sand filter and activated carbon absorption etc. A well Engineered pretreatment module provides a stable, quality and long term performance of the membrane. Sustainable growth of any industry warrants water conservation through effluent recycle/reuse.

An important aspect for application of technology options for water recovery is effective and efficient operation of membrane system implemented. Therefore, selection of effective and appropriate treatment module is essential for achieving sustainable performance.

BGR Energy offers state of the art proven technologies for large size Membrane based Industrial Effluent Treatment. BGR Energy supplied Membrane based 12 MLD Effluent Treatment Plant, largest in India for Textile Effulent for Veerapandi, CETP leading to zero discharge.

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