PT. Jaya Kertas
WEPA Water Environment Partnership in Asia
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PT. Jaya Kertas

Wastewater treatment facility identification Facility name PT. Jaya Kertas
Facility location Kertosono, Kabupaten Nganjuk Jawa Timur

Facility overview

Operating period 15 years (since October 1990)
Wastewater characteristics Wastewater from paper mill
Treatment process Chemical and Biological process
Process flow diagram See attached
Specification of reactors & primal equipment Equalization basin ; 787.5 m³
Coagulation basin ; volume 72 m³
Floculation basin ; volume 137.5 m³
Primary clarifier ; volume 1,330 m³
Aeration basin ; volume 14,050 m³
Secondary clarifier ; volume 1,717 m³
Control basin ; volume 180 m³
Facility Operation status Daily amount of treated wastewater
Actual 8600 m³/day Design 12,000 m³/day
Annual electric consumption
Actual Difficult to separate WWT’s kWh from total kWh of the mill Design 3,098,850 kWh
Annual amount of sludge generation
Actual 3,213 Dst Design 2,592 Dst
Process performance
(Influent & effluent water quality)
Design
Influent quality Effluent quality Performance
SS 1750 mg/L 40 mg/L 97.70%
BOD N/A < 70 mg/L Good
COD (Cr,Mn) N/A < 150 mg/L Good
T-N N/A N/A N/A
T-P N/A N/A N/A
Coliform group N/A N/A N/A
Fecal coliforms N/A N/A N/A
E. coli bacteria N/A N/A N/A
Other N/A N/A N/A
Actual
Influent quality Effluent quality Performance
SS 1750 mg/L 40 mg/L 97.70%
BOD N/A < 70 mg/L Good
COD N/A < 150 mg/L Good
T-N N/A N/A N/A
T-P N/A N/A N/A
Coliform group N/A N/A N/A
Fecal coliforms N/A N/A N/A
E. coli bacteria N/A N/A N/A
Others
Operation & maintenance Annual Chemical consumption

Aluminium Sulfate ; 216,000
Polymer ; 14,500
Urea as Nitrate ; 21,600
TSP as Phosphate ; 9,000

O & M personel
Remarks
Other Capital Unknown
Facility management body Contact information Wastewater treatment plant
Manufacture/ designer PT. Envetic Perkasa Jakarta Indonesia
Information source PT. Jaya Kerta Kertosono, Indonesia

 

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