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Monday, 03 February 2020 07:40

Veolia to deliver cutting-edge chemical recovery at one of the largest pulp mills in the world

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The state-of-the-art chloride removal system is designed by Veolia Water Technologies to optimize the recovery process in the industry of transformation of hardwood cellulose into pulp for textile fibers and fine paper making.

Rising paper consumption in Asia and growing global demand for more environmentally friendly fibers for the apparel industry are driving the increase in pulp making capacity to convert renewable fibers into a variety of fine paper products and viscose staple.

In tropical Indonesia, the Riau province is a major hub for the forestry industry and is home to the operations of the Asia Pacific Resources International Holdings Limited (APRIL) Group, the world’s second-largest producer of bleached hardwood kraft pulp.

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APRIL-owned Riau Andalan Pulp & Paper (RAPP) produces pulp of the highest purity at one of the world’s largest paper mills in Kerinci (Riau). As a result, RAPP performs pulping washing and cleaning steps which produce an organics-rich liquid stream. When this liquor is burned in the recovery cycle, it generates renewable power that helps the mill become energy self-sufficient. Over time, however, the process creates chloride and potassium accumulation which, if not tightly controlled, causes corrosion and boiler fouling increasing maintenance costs.

Hence, to prevent efficiency losses and boiler downtime, these chemicals need to be managed. To this end, Veolia will treat 550 tons per day of precipitator ash through its Enhanced Chloride Removal Process (ECRP™). Featuring best-in-class HPD® crystallization technology, this advanced system is designed to yield the best control of sodium recovery and chloride and potassium removal steps while minimizing energy consumption and related emissions.

“Once again, we are pleased to work with APRIL and build on the success we have achieved together over the years. Veolia’s chemical-saving HPD® technologies will be key components in the expansion of this important production site in Riau helping its pulping operations become more resource-efficient and sustainable” stated Jim Brown, CEO of Veolia Water Technologies Americas.

Through the continuous improvements in HPD® evaporation and crystallization systems, Veolia provides the safest, most-efficient solutions to pulp and paper mills around the world to further reduce their environmental impacts and create economic value derived from the responsible management of closed-loop industrial processes.

Veolia Water Technologies provides the complete range of services required to design, deliver, maintain and upgrade water and wastewater treatment facilities and systems for industrial clients and public authorities. The company's extensive technology portfolio features everything from online diagnostic solutions to evaporation and crystallization, energy-producing sludge treatment, state-of-the-art desalination, laboratory-grade water and mobile water services. By optimizing both processes and monitoring, Veolia Water Technologies helps clients reduce their water footprint while generating considerable savings in energy and chemical consumption. 

Veolia group is the global leader in optimized resource management. With nearly 169 000 employees worldwide, the Group designs and provides water, waste and energy management solutions which contribute to the sustainable development of communities and industries. Through its three complementary business activities, Veolia helps to develop access to resources, preserve available resources, and to replenish them.

In 2017, the Veolia group supplied 96 million people with drinking water and 62 million people with wastewater service, produced nearly 55 million megawatt hours of energy and converted 47 million metric tons of waste into new materials and energy. Veolia Environnement (listed on Paris Euronext: VIE) recorded consolidated revenue of €25.12 billion in 2017. 


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