Kubota JohkKubota JohkasouasouModel HS-PModel HS-PHousehold Wastewater Household Wastewater Treatment SystemTreatment System5・7・10 Person Tank5・7・10 Person Tank
““Johkasou” in JapanJohkasou” in Japan8,600,000 units of “Johkasou” placed in Japan8,600,000 units of “Johkasou” placed in JapanApprox.160,000 units of “Johkasou” were installeApprox.160,000 units of “Johkasou” were installed in Japan in 2008 for domestic use.d in Japan in 2008 for domestic use.In 1969, we started development of “Johkasou” TIn 1969, we started development of “Johkasou” That can treat only night soil(flush toilet water)hat can treat only night soil(flush toilet water)In 1986, we launched new “Johkasou” that can trIn 1986, we launched new “Johkasou” that can treat both night soil and gray water.eat both night soil and gray water.Since then, a new high-performance product devSince then, a new high-performance product development continues.elopment continues.Now we manufacture approx. 20,000 “Johkasou” Now we manufacture approx. 20,000 “Johkasou” in a year.in a year.
Price concerning “Johkasou” in JapanPrice concerning “Johkasou” in Japan
““Johkasou” Catalog PriceJohkasou” Catalog Price 6,0006,000 ~~ 12,000 dollars12,000 dollars
Construction CostConstruction Cost
Including “Johkasou”Including “Johkasou”
7,5007,500 ~~ 12,500 dollars12,500 dollars
Maintenance and Maintenance and
Operation cost a yearOperation cost a year
500500 ~~ 900 dollars900 dollars
Perspective cross section Perspective cross section
Effluent
Air-lift pumpInfluent
Anaerobic filter tankFirst chamber
Anaerobic filter tankSecond chamber
Sedimentation tank
Contact aeration tank
Disinfection tank
Blower
Remove solids in the wastewater and anaerobic microbe attached to the filer decompose organic matter. Sludge is stored in these tanks
Aerobic microbe grows on the surface of contact media in the condition of aeration by blower
Suspended solids are settled and supernatant flows to overflow weir
Flow sheetFlow sheet
Anaerobic filter tank
BOD200mg/L
200L/P ・ D
Contact aeration tank
Sedimentation tank
BOD20mg/L
Disinfection tank
Anaerobic filter tank
Blower
Regular water circulationSloughed sludge transfer
KitchenLaundry
SinkBathToilet
Term and conditions of designTerm and conditions of design
Average daily wastewaterAverage daily wastewater 53gal53gal // PP // DD(200L/P/D)(200L/P/D)
Influent BODInfluent BOD 200mg200mg // LL
Effluent BODEffluent BOD 20mg20mg // L L ≥≥
BOD removal rateBOD removal rate 9090 % % ≤≤
TRANSPARENCY(Tr) CHECKTRANSPARENCY(Tr) CHECK
Treated Water Tr>20cm BOD<2≒Treated Water Tr>20cm BOD<2≒0mg/L0mg/L
Specification Specification outlineoutline
Tank capacityTank capacity 5-person5-person 7-person7-person 10-person10-person
ModelModel HS-5PHS-5P HS-7PHS-7P HS-10PHS-10P
Capacities (gallons)
Capacities (gallons)
Anaerobic filter tankFirst chamber 240240 337337 563563
Anaerobic filter tankSecond chamber
161161 282282 374374
Contact aeration tank 267267 376376 538538Sedimentation tank 8181 126126 189189
Disinfection tank 77 77 77Total 755755 11281128 16711671
Dim
ensionD
imensionss
(in.)(in.)
LengthLength 9696 104104 128128
WidthWidth 4848 6565 7474
HeightHeight 7070 7070 7070
WeightWeight (lbs.)(lbs.) 529529 794794 10361036
Blow
eB
lowe
rr
Rated flow (liter/min)Rated flow (liter/min) 6060 8080 120120
Power supply (w)Power supply (w) 3939 5757 130130
CharacteristicsCharacteristicsEnvironment Ministry’s government subsidy comEnvironment Ministry’s government subsidy compliance type in Japanpliance type in JapanCertified by the Ministry of Construction (NotificaCertified by the Ministry of Construction (Notification No.1292,No.1-2 in Japan)tion No.1292,No.1-2 in Japan)Adopting Anaerobic Filter Contact Aeration ProcAdopting Anaerobic Filter Contact Aeration Process (Anaerobic-aerobic treatment process, Denitess (Anaerobic-aerobic treatment process, Denitrification process with nitrified mixed liquor recyclrification process with nitrified mixed liquor recycle), Effluent quality is stable.e), Effluent quality is stable.Adopting six valves and air-lift pump with adjustAdopting six valves and air-lift pump with adjustment device, Maintenance is easy.ment device, Maintenance is easy.FRP (Fiberglass Reinforced Plastic) BodyFRP (Fiberglass Reinforced Plastic) Body
KUBOTA CorporationKUBOTA CorporationJohkasou DivisionJohkasou Division
Shiga factoryShiga factory 2-1 Takamatsu, Konan-shi, Shiga-ken, Japan 2-1 Takamatsu, Konan-shi, Shiga-ken, Japan Head OfficeHead Office 1-2-47 Shikitsuhigashi, Naniwa-ku, Osaka, Japan 1-2-47 Shikitsuhigashi, Naniwa-ku, Osaka, Japan URLURL http://jokaso.kubota.co.jp/http://jokaso.kubota.co.jp/