Valmet will supply a sulfuric acid plant to Metsä Group's bioproduct mill in Äänekoski for in-house sulfuric acid production, as the company says in the press release received by Lesprom Network.
By means of the new sulfuric acid plant of its own the bioproduct mill can utilize the chemicals in the odorous gases of the pulp manufacturing process. This will help to reduce the wastewater load considerably. The start-up of the plant is scheduled for the 3Q 2017.
Valmet's delivery is part of Metsä Group's sulfuric acid plant investment that is valued at roughly Euro 20 million. The value of the order is not disclosed.
"The sulfuric acid plant producing process chemicals from sulfur compounds from odorous gases is a remarkable step towards closed chemical circulation and further improves the environmental performance of the bioproduct mill," says Timo Merikallio, Project Director of bioproduct mill at Metsä Group.
The order includes a sulfuric acid plant developed by Valmet. The plant consists of a concentrated non-condensable gas (CNCG) incinerator and a sulfuric acid converting plant.
The production capacity of the plant will be approximately 35 tons of sulfuric acid per day. This will be the world's first larger scale sulfuric acid plant that will be in operation at a pulp mill.
Metsä Group is a responsible forest industry group whose products' main raw material is renewable wood from sustainably managed northern forests. The company focuses on tissue and cooking papers, fresh forest fibre paper-boards, pulp, wood products, and wood supply and forest services.
Valmet is the leading global developer and supplier of process technologies, automation and services for the pulp, paper and energy industries.
