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Arun A.,Metso Power India Pvt Ltd | Anshul M.,Metso Power India Pvt Ltd
IPPTA: Quarterly Journal of Indian Pulp and Paper Technical Association | Year: 2012

In today's dynamic competitive world, the process industries, including pulp and paper industries, are struggling with the challenges to meet the energy and environmental benchmarks set by technological advancements of the modern age. Heightened environmental awareness, coupled with stringent standards laid by regulatory authorities, ever increasing energy costs, tight competition for product quality are driving greater interest in optimised mill operations, energy efficient and eco-friendly technologies. As a result, many corporations are beginning to rethink their approach to energy and environmental management. Historically, most organizations took a defensive, compliance-oriented approach to the environment, focusing on delayed or lax regulation, and implementing end-of-pipe solutions. Today, the pulp and paper industry globally is undergoing a role transition from being merely pulp or paper manufactures to being bio-energy producers as well. The impact of these trends are clearly visible in the changing outlook of industry towards recovery boilers, from being merely combustion furnaces recovering chemicals, to power boosters and sulphur capture equipment, thereby adding more value to the organization, industry, and society. Changes in the energy cost and tight environmental regulations have led the industry to look for various options to achieve holistic energy balances. Source


Chandrasekaran R.,Metso Power India Pvt Ltd | Arun A.,Metso Power India Pvt Ltd | Anshul M.,Metso Power India Pvt Ltd
IPPTA: Quarterly Journal of Indian Pulp and Paper Technical Association | Year: 2012

With the consistent pursuit of pulp and paper mills towards closing the system cycles owing to environmental and economic necessities, the collateral effects of unwanted non-process elements building up in the liquor cycle is highly evident world-wide. Of these unwanted contaminants, the build-up of chlorides and potassium are of major concern to the Chemical Recovery Boiler, and offer the biggest challenge towards plant availability, plant maintenance, and plant efficiency. Over a period of the years, the world has witnessed myriad technological advances, ranging from laboratory or pilot plant tests to commercial launch of the processes for removal of these elements. These processes are not only being implemented around the globe for new and existing mills, but are also proving their dramatic results. This paper highlights the technologies available as solutions for the industry to implement. Source


Chandrasekaran R.,Metso Power India Pvt Ltd | Arun A.,Metso Power India Pvt Ltd | Anshul M.,Metso Power India Pvt Ltd | Raju R.,Metso Power India Pvt Ltd | Ravishangar P.S.,Metso Power India Pvt Ltd
IPPTA: Quarterly Journal of Indian Pulp and Paper Technical Association | Year: 2013

As India's economy accelerates, so does the quest for energy to keep its growth humming. The contemporary industrial challenges, including booming demand for energy, heightened scrutiny of the environmental effects, and intensified business competition, are putting greater pressure on energy-intensive industries such as pulp & paper, to meet the unprecedented challenges of the new age. The chemical recovery island plays a crucial role in the financial and business wellness of a paper mill. This role is today being acknowledged by Indian industry, and the contribution of the recovery boiler in the papermaking cycle is considered to be significant. With the current changes in the business dynamics, the paper mills are incorporating the environmental and safety concerns into every aspect of strategy and action. This paper explores some of the various practices that are globally in vogue for enhancing safety, efficiency, environment-friendliness and availability of a recovery boiler. Systems and practices such as bed smelt extraction system, auto-air-port rodding, usage of safety roof for maintenance, odor gas handling & incineration, advanced process control and advanced safety interlocks are addressed in the paper. Source

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