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History

The internal region of Hyogo Prefecture is endowed with an abundance of pine, Japanese cedar, Japanese cypress, other tree species, and bamboo. 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.

1950s - 1970s

1955 February: Hyogo Pulp was incorporated.
Daily UKP production: 10 tons(300 tons/month)

Photo of the entire plant (circa 1955-1965)

Photo of the entire plant (circa 1955-1965)

1956 September: 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.

Batch-type digester (circa 1965-1975)

Batch-type digester
(circa 1965-1975)


Manufacturing operation (circa 1965-1975)

Manufacturing operation (circa 1965-1975)

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 (with 56 t/h evaporation, 6,400 kW output) 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.  

1980s - 1990s

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
 
1985 February: 30th anniversary of incorporation  
1988 August: A continuous digester was remodeled.
A pressure 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.

The No. 3 soda recovery boiler under construction (1990)

The No. 3 soda recovery boiler under construction (1990)

1991 January: The No. 3 soda recovery boiler (low-odor, high-pressure/high-temperature type with 160 t/h evaporation) 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 (40,000 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

The No. 2 continuous digester under construction (1999)

The No. 2 continuous digester under construction (1999)

2000 - Today

2002 March: Export of pulp to China began.
October: ISO14001 certification acquired.
2004 October: The No. 4 biomass power generator (with 85 t/h evaporation, 18,900 kW output) was newly installed and achieved synergetic effects with the No. 3 biomass power generator.
2005 February: 50th anniversary of incorporation

50th anniversary of incorporation

50th anniversary of incorporation

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 (the Feed-in Tariff Scheme).

No. 4 biomass boiler under construction

No. 4 biomass boiler under construction

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 new No. 1 pulp drying machine (N-1) started up.

The drying machine under construction

The drying machine under construction

February: 60th anniversary of incorporation

60th anniversary of incorporation

60th anniversary of incorporation

2016 February: A pulp washer was added, along with the remodeling of a piece of screen equipment.
2017 December: Construction of the No. 5 biomass power generator (with 85 t/h evaporation, 22,100 kW output) was completed by Paltec Energy Co., Ltd.

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