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History

The internal region of Hyogo Prefecture is abundant with pine, Japanese cedar tree, Japanese cypress tree, bamboo, and other trees. Hyogo Pulp was established in February 1955 by succeeding the business of Koa Seni Kogyo, which was established in 1939 and produced bamboo pulp, and that of Koyo Seishi Kogyo, established in 1947 and produced soda pulp and unbleached kraft pulp.

       
     
 
 
 
1955
 
February Hyogo Pulp was established.
Daily UKP production: 15 tons
 
   
1956
 
December Nos. 1 through 3 digesters and associated pulp equipment were added.
Daily production: 40 tons
 
 
1958
 
August Hyogo Pulp Co., Ltd. was established and took over operations of the Tanigawa plant.
 
 
1968
 
March A Kamyr pulp machine (current No. 2 machine) was newly installed.
 
 
1969
 
December The No. 4 digester (36 m3) and associated pulp equipment were added.
Daily production: 100 tons
 
 
1971
 
June A pressure floatation wastewater treatment apparatus was newly installed.
 
 
1973
 
September The No. 1 lime kiln and a continuous causticizing plant were newly installed.
The No. 5 digester (40 m3) was added.
 
 
1974
 
August The No. 1 soda recovery boiler power generator (6,400 kW) and the No. 1 black liquor concentrator were newly installed.
Daily production: 150 tons
 
 
1975
 
December The No. 1 Kamyr pulp machine was newly installed.
 
 
1976
 
March An activated sludge-type wastewater treatment apparatus was newly installed.
 
 
1977
 
September The No. 1 kraft pulp continuous digester (350 m3 ) and a steam stripping deodorizer were newly installed.
The No. 2 pulp machine was moved.
Daily production: 300 tons
 
 
1978
 
February Reinforcement of the marketing system was initiated.
 
 
1981
 
November The No. 2 soda recovery boiler power generator (low odor, 7,000 kW output), and the No. 2 black liquor concentrator were newly installed.
Daily production: 360 tons
 
 
1984
 
March The No. 3 (double wire) pulp machine was added.
Daily production: 400 tons
 
 
1988
 
August A continuous digester was remodeled.
An enhanced washer (PD) was newly installed.
Daily production: 500 tons
 
 
1989
 
November The No. 1 black liquor concentrator, demineralizer, cooling tower, white liquor clarifier, and deodorizer (SS) were renovated.
 
 
1991
 
January The No. 3 soda recovery boiler (low-odor, high-pressure and high-temperature type) was newly installed.
Daily production: 550 tons
 
 
1992
 
July The No. 2 lime sludge kiln was newly installed.
 
 
1993
 
September The No. 3 turbine generator (38,700 kW output) and power transmission facility were newly built, initiating the supply of biomass electric power.
 
 
1999
 
May The No. 2 kraft pulp continuous digester (1,010 m3) was newly installed. Use of recycled materials increased.
The washing odor combustion treatment line was renovated.
Daily production: 600 tons
 
 
2002
 
April Export of pulp to China started.
October ISO14001 certification acquired.
 
 
2004
 
October The No. 4 biomass power generator (18,900 kW output) was newly installed and achieved synergetic effects with the No. 3 biomass power generator.
 
 
2006
 
May The No. 3 pulp machine was remodeled (to a Kamyr machine).
 
 
2008
 
September The No. 4 biomass power generator was certified to be a Green Power Generator.
 
 
2013
 
February The No. 4 biomass power generator received FIT certification.
 
 
2014
 
March Combination combustion of unused materials and ordinary wood started at the No. 4 biomass power generator on a limited scale.
 
 
2015
 
February The N1 pulp drying machine started up.
May Pultec Energy Co., Ltd. announced plans to newly install a biomass power generator (22,100 kW output).
Photo of the entire plant (circa 1955-1965)
Photo of the entire plant
(circa 1955-1965)
Batch-type digester (circa 1965-1975)
Batch-type digester
(circa 1965-1975)
JH
The No. 3 soda recovery boiler under construction (1990)
The No. 2 continuous digester under construction (1999)
 

 

 
 
 
 
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