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- Investigation and research on operation management
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Investigation and research on operation management
(Unauthorized reproduction and secondary use of the published abstracts are prohibited.)
Last Updated March 19, 2024
2023
- Reduction of Bloy power consumption and impact on public water bodies in Seibu Wastewater Treatment Plant (PDF: 320KB)
- Efforts to Reduce Greenhouse Gas Emissions in Kohoku Wastewater Treatment Plant (PDF: 1,762KB)
- Implementation of nitrification suppression operation referring to nutritional salt management operation (PDF: 1,259KB)
2022
2021
2020
2019
2018
2017
2016
- Verification of the effect of sodium hypochlorite in Balking measures (H28) (PDF: 451KB)
- Measures against inflow of abnormality in Kanazawa Wastewater Treatment Plant (H28) (PDF: 539KB)
- Age change of SVI in the Northern Daiichi Water Reclamation Center (H28) (PDF: 332KB)
- Maintenance of PAC additive facilities accompanying the review of wastewater standards added to the Water Pollution Control Law (H28) (PDF: 333KB)
- Examining the quantitative management method for final sedimentation pond (H28) (PDF: 540KB)
2015
- Processing adjustment of water reclamation center using ion chromatograph (PDF: 381KB)
- Verification of the effect of sodium hypochlorite in Balking measures (PDF: 510KB)
- About water treatment situation after Seya Iida main line water diversion in Seibu Wastewater Treatment Plant (PDF: 351KB)
2014
2013
- Impact of stoppage of Kanagawa Wastewater Treatment Plant Type 1 reaction tank on water treatment (H25) (PDF: 287KB)
- Response to agglomeration of Chubu Wastewater Treatment Plant activated sludge (H25) (PDF: 411KB)
2012
- Nambu Sewerage Center (H24) (PDF: 346KB)
- Separation solution comparison and pretreatment of the North-South Sludge Recycling Center (H24) (PDF: 317KB)
- About behavior of activated sludge at the time of abnormality (H24) (PDF: 386KB)
- Water treatment status after the introduction of membrane panels into the Tsuzuki Wastewater Treatment Plant Series 4 reaction tank (H24) (PDF: 326KB)
- Measures against Balking by adding sodium hypochlorite in Nambu Wastewater Treatment Plant (H24) (PDF: 322KB)
2011
2010
2009
- Examination of merger improvement effect by inline rainwater reservoir (H21) (PDF: 346KB)
- About Chubu Wastewater Treatment Plant's oil scum measures and water quality survey after countermeasures (H21) (PDF: 372KB)
2008
2007
2006
- About BOD by organic acid in sewage (PDF: 181KB)
- Efficient operation of rainwater reservoirs in Chubu Wastewater Treatment Plant (PDF: 194KB)
- Environmental Impact Survey of Rainwater Drainage Pumping Station Discharge to Marine Park (PDF: 335KB)
2005
- One consideration of thread-like balking by Type021N (PDF: 205KB)
- Survey of disinfection by-products by-products by chlorination (PDF: 60KB)
2004
- Investigation and examination of the cause of balking at various processing sites in Yokohama City (PDF: 559KB)
- Analysis of operating conditions that cause sludge dismantling (PDF: 252KB)
- Air volume reduction method considered based on the required oxygen amount of activated sludge organisms (PDF: 158KB)
2003
- About overflow water quality of combined sewer (PDF: 267KB)
- Improvement by chlorine disinfection of effluent from rainwater pumping stations (PDF: 307KB)
2002
- Evaluation of the processing method by step inflow (PDF: 482KB)
- About solid-liquid separation failure due to final sinking (PDF: 441KB)
2001
2000
- About prevention of Balking outbreak of Chubu Sewage Treatment Plant A series (PDF: 282KB)
- Balking measures by changing the amount of air blowing before the reaction tank (PDF: 424KB)
- About the relationship between BOD of nitrification and SS (PDF: 363KB)
1999
- Balking measures by setting reaction tank height DO (Part 2) (PDF: 709KB)
- Dissipation of living organisms in reaction tanks during sludge circulation (PDF: 645KB)
- Measures to improve the hygiene and safety of the waterfall river (PDF: 891KB)
1998
- Balking measures by setting reaction tank height DO (PDF: 768KB)
- Reaction tank (circulating denitrification method) About clogging of spray dome (PDF: 705KB)
- About coping method at the time of balking in Chubu sewage treatment plant of 1997 (PDF: 648KB)
1997
1996
- About nitrification and influence factors in aeration tank (Part 2) (PDF: 1,623KB)
- Constant control of reaction tank DO time zone (PDF: 1,308KB)
- Effects on water treatment of volatile organic compounds (VOCs) (PDF: 1,228KB)
- Sludge emergence in the final sedimentation pond (3) (PDF: 1,337KB)
- About Balking measures by adding sodium hypochlorite (PDF: 1,268KB)
- About Balking due to mass outbreak of water mold (PDF: 1,818KB)
1995
- About nitrification and influence factors in aeration tank (PDF: 1,232KB)
- Improvement of secondary treated water quality by aerobic filter method (PDF: 949KB)
- About the surface of sludge in the final sedimentation pond (2) (PDF: 1,311KB)
- Application of incinerated ash to water treatment (PDF: 1,143KB)
1994
- Cause of sludge floating in the final sedimentation site and its countermeasures (PDF: 1,294KB)
- About the first number of ponds used in sedimentation pond and the status of water treatment at Chubu Sewage Treatment Plant (PDF: 1,445KB)
1993
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Inquiries to this page
Sewer River Bureau Sewerage Facilities Department Water Quality Section
Telephone: 045-621-4343
Telephone: 045-621-4343
Fax: 045-621-4256
Email address: gk-suishitsu@city.yokohama.lg.jp
Page ID: 511-860-184
