Customer case:

Targets exceeded in Nippon Paper Akita lime kiln process

Sep 28, 2016

Nippon Paper Group is one of the leading producers of paper and cardboard in the world and it's Akita mill the leading Japanese producer of paper, cardboard and pulp. Valmet implemented Valmet Lime Kiln Optimizer solution to reduce specific energy consumption and maximize the more cost efficient fuel usage.

Valmet APC completely changed our mindset of kiln operation. The result exceeds our expectations. The kiln has been running properly without troubling the operators."
Mr. Takahashi, Manager of Production Department, Akita Mill


Location Akita, Japan

Need to improve energy efficiency and operation of the lime kiln.

To maximize the usage of coke as a fuel at the kiln.


Valmet Lime Kiln Optimizer

Process consultation, projects and engineering

Remote support and optimization using Industrial Internet technology


Specific Energy Savings 5.5 %

Fuel ratio from 71.5 % to 72.5 %

Control uptime 99.5 %

Keywords Automation, Pulping and fiber, Asia-Pacific