:: Heavy Water Board - A unit under Department of Atomic Energy, Govt. of India.

Heavy Water Board - It's capabilities and expertise:

Heavy Water Board (HWB), a constituent unit of Industries and Minerals Sector under Department of Atomic Energy. HWB is entrusted with design, engineering, Construction, commissioning and operation of large scale heavy water plants. It has seven plants in different parts of the country. These plants are based on two different process technologies. The Board has over three thousand qualified technical personnel who have developed expertise in different fields, right from design to operation.

Technologically the process of heavy water manufacture is similar to many of the chemical processes, the principal difference being in terms of the large magnitude of the systems involved due to many thousand fold enrichment requirement to produce nuclear grade heavy water.

Process evaluation and review:

The Board can offer its services to evaluate different process technologies and aid in choosing of the best process suited for a particular application for the Indian scenario. This activity involves process analysis, evaluation of process package and the various utilities and off-site systems review. This will be achieved by use of models wherever needed to evaluate the processes.

Often, the process evaluation involves analytical support and all our plants have well equipped modern laboratory facilities where certain laboratory scale experiment can be conducted. Evaluation of certain claims made by the process licensees can be verified by modelling, simulation, checks and experimental analysis.

Integrated energy management, process retrofitting, process re-engineering:

The systems are critically analysed for pinching effects or bottle-necking areas and then modifications are carried out by use of many of the modern tools like pinch-technology, expert systems and models. After identification of the limiting systems or the equipment, the retrofitting of certain critical equipment using latest type are carried out. While taking up such modifications, it would be ensured that the operability is in no way compromised and we would also carry out Hazards and Operability Study (Hazop)

Commissioning Assistance:

In the course of commissioning our plants, the experience gained has given us tremendous confidence to take up commissioning jobs of large chemical plants. Commissioning plan involves moduling the plants, identifying critical activities in each of the sub-modules, writing down commissioning procedures and interconnecting various commissioning activities involved. The practices and procedures adopted by Heavy Water Board have got evolved from plant to plant and can be utilized for commissioning of any large scale process plant in a safe and efficient manner within the shortest possible time.

Safety Assessment :

Heavy Water Board has developed over the years, full capabilities with regard to provision of engineered safety features at the design stage, safety and quality assurance during construction commissioning and operational stages. The Board has undertaken safety review and reassessment of their own operating plants and is capable of providing similar services in the areas of HAZOP/HAZAN studies and preparation of 'on site' and 'off site' emergency action plans to mitigate the most unlikely events involving large scale release of toxic gases/vapours, through detailed gas dispersion modelling and risk evaluation studies.


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    Last Updated: 26 March,2015
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