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Management Side
Technical Side
Suzano Helps Mill Achieve New Production Level
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Graz, Austria 05 October 2015 -- International technology Group ANDRITZ successfully completed the supply and ramp-up of a new digester for Brazilian pulp and paper producer Suzano. The continuous digester, installed at Suzano's mill in Suzano city, São Paulo state, started up in May 2015 and replaces existing batch digesters as well as a continuous digester, thus further reducing production costs. It is designed to increase the mill's output of bleached eucalyptus kraft (BEK) pulp by 33,000 metric t/a, to a total of 550,000 t/a.

"The learning curve for the new digester went really well and after 10 days we already reached nominal capacity," says José Alexandre de Morais Suzano's Industrial Director. The investment project was executed precisely as planned with no loss of production. All of the connections to the new digester were made during a regular maintenance shutdown planned for the mill.

The equipment supplied by ANDRITZ helps to further improve pulp quality while at the same time cooking yield is increased, thus leading to lower wood consumption. Due to the improved bleachability, bleaching chemical consumption is decreased. In addition, the new technology reduces natural gas consumption at the mill. The investment was considered important by Suzano to modernize equipment installed in the 1970s.

The ANDRITZ GROUP

ANDRITZ is a globally leading supplier of plants, equipment, and services for hydropower stations, the pulp and paper industry, the metalworking and steel industries, and for solid/liquid separation in the municipal and industrial sectors. The publicly listed technology Group is headquartered in Graz, Austria, and has a staff of almost 25,000 employees. ANDRITZ operates over 250 sites worldwide.

ANDRITZ PULP & PAPER

ANDRITZ PULP & PAPER is a leading global supplier of equipment, systems, and services for the production and processing of all types of pulps, paper, tissue, and cardboard. The technologies cover the processing of logs, annual fibers, and waste paper; the production of chemical pulp, mechanical pulp, and recycled fibers; the recovery and reuse of chemicals; the preparation of paper machine furnish; the production of paper, tissue, and board; the calendering and coating of paper; as well as treatment of reject materials and sludge. The service range includes modernization, rebuilds, spare and wear parts, service and maintenance, as well as machine transfer and second-hand equipment. Biomass, steam, and recovery boilers, as well as gasification plants for power generation, flue gas cleaning plants, production equipment for biofuel (second generation), biomass torrefaction equipment, plants for the production of nonwovens, dissolving pulp, plastic films, and panelboards (MDF), and recycling plants are also allocated to the business area.



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