Downflow hanging sponge

Author: pogt

August undefined, 2024

WebIn this study, a downflow hanging sponge (DHS) reactor was installed as post … WebIn this study, a downflow hanging sponge (DHS) reactor was installed as post treatment of anaerobic tank effluent in a natural rubber factory in South Vietnam and the process performance was evaluated. The DHS reactor demonstrated removal efficiencies of 64.2 ± 7.5% and 55.3 ± 19.2% for total chemical oxygen demand ...

Performance evaluation of a down-flow hanging sponge (DHS

WebFeb 1, 2013 · Enhanced aerobic/anoxic Downflow Hanging Sponge (DHS) bioreactors were assessed for carbon (C) and total nitrogen (TN) removal for decentralised domestic wastewater treatment applications. The initial design included upper aerobic and lower anoxic sponge layers, and effluent recirculation, and achieved >80% COD s and >90% … WebA sixth-generation down-flow hanging sponge reactor (DHS-G6), using rigid sponge media, was developed as a novel aerobic post-treatment unit for upflow anaerobic sludge blanket (UASB) treating municipal sewage. The rigid sponge media were manufactured by copolymerizing polyurethane with epoxy resin. The UASB and DHS system had a … give a day shop

A novel approach for toluene gas treatment using a downflow hanging ...

WebOct 19, 2014 · Downflow Hanging Sponge; Refinery Wastewater; Rice Field Soil; Epiphytic Bromeliad; These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves. Download reference work entry PDF WebIn this study, a treatment system composed of a baffled reactor (BR), an upflow anaerobic sludge blanket (UASB) reactor, and a downflow hanging sponge (DHS) reactor was used to treat natural rubber processing wastewater in Vietnam. The BR showed good total suspended solids (TSS) removal of 47.6%, as well as acidification of wastewater. WebNov 19, 2024 · Downflow hanging sponge system. Aerobic biological treatment process … furniture stores in new castle county de

Performance evaluation of the pilot scale upflow ... - ScienceDirect

WebMar 7, 2024 · Modified Downflow Hanging. Sponge (DHS) reactor will be a good groundwater treatment technology in the near future, it is used for. excellent removal of heavy metals, anions, organic pollutants and harmful microbes, and also the reactor. has advantages like low cost, easy to apply and satisfaction level. WebMar 31, 2016 · View Full Report Card. Fawn Creek Township is located in Kansas with a … furniture stores in newbury berkshireWebNov 25, 2024 · Apart from that, implementing a downflow hanging sponge system for … give a definition of a parenting team

"WebApr 1, 2011 · The technologies under study in this chapter are DHS (downflow hanging sponge) reactor and biochar applications because DHS is a simple, compact, low-cost system that achieves sufficiently high chemical oxygen demand and nutrient removal without aeration, and biochar is a promising material to be used as an adsorbent to remove … " - Downflow hanging sponge

Downflow hanging sponge

WebDownflow Hanging Sponge (DHS) Reactor Process Downflow hanging sponge (DHS) was developed by Professor Hideki Harada and his research groups at Nagaoka University of technology (now he move to Tohoku … WebJan 1, 2024 · 6.4. Downflow hanging sponge (DHS) concept and configuration. The …

Did you know?

WebIn this study we investigated partial nitrification by implementing a closed down-flow hanging sponge (DHS) reactor operated at controlled oxygen concentrations. Basic concept of DHS process is similar to that of trickling filter, in which oxygen concentration can be easily manipulated by controlling airflow to the reactor. The closed reactor ... WebFeb 26, 2011 · Grey wastewater treatment via down-flow hanging sponge (DHS) system was the subject of the study, and it is recommended to operate such a system at an HRT of 5.8 h and OLR not exceeding 3.6 kgCOD/m3 day for producing an effluent quality complying for reuse in unrestricted irrigation purposes. Grey wastewater (GW) treatment via down …

WebDec 15, 2009 · The performance of down-flow hanging sponge (DHS) system treating UASB reactor effluent at different sponge volume of 38.2, 28.7, 19.1 and 9.6% was investigated. The hydraulic retention time (HRT) and flow rate were kept constant at 2.6 h and 0.46 m3/day, respectively. The results obtained indicated that reducing the sponge … WebApr 11, 2024 · The downflow hanging sponge (DHS) process is an economical and efficient biological wastewater treatment system, was proposed as a post-treatment process for anaerobically treated effluents. Earlier studies found the DHS effective in removing residual BOD and COD and in nitrogen and pathogen removal (Tandukar et al. 2007a , b …

WebFeb 15, 2024 · A downflow hanging sponge reactor was installed as post treatment of anaerobic tank effluent in a natural rubber factory in South Vietnam and the process performance was evaluated, indicating that the DHS reactor could be an appropriate post treatment for the existing anaerilic tank for natural rubber processing wastewater treatment. WebTo overcome the drawbacks of the AS process, the downflow hanging sponge (DHS) has been developed as an energy-saving and easy-to-maintain alternative. To date, six types of different sponge configurations have been developed and their performances have been evaluated in practical- to full-scale DHS reactors. A large number of studies have been ...

WebAug 1, 2024 · A pilot-scale upflow anaerobic sludge blanket (UASB)–downflow hanging sponge system (DHS) combined with an anaerobic baffled reactor (ABR) and a settling tank (ST) was installed in a natural rubber processing factory in South Vietnam and its process performance was evaluated for 267 days.The UASB reactor achieved a total removal …

WebDec 29, 2016 · Down Flow Hanging Sponge (DHS) has been proposed as a solution to … furniture stores in newfoundland canadaWebMay 1, 2024 · A novel gas-scrubbing bioreactor based on a downflow hanging sponge (DHS) reactor was developed as a new volatile organic compound (VOC) treatment system. In this study, the effects of varying the space velocity and gas/liquid ratio were investigated to assess the effectiveness of using toluene gas as a model VOC. Under optimal … give a definition for hospitalityWebJul 23, 2013 · The performance of down-flow hanging sponge (DHS) system for the treatment of agricultural drainage water has been investigated for six months. The reactor was operated at a hydraulic … furniture stores in new glasgow nova scotiaWebFeb 1, 2024 · Past Downflow Hanging Sponge (DHS) designs have displayed limited … give a definition of a hormoneWebSep 1, 2013 · Enhanced aerobic/anoxic Downflow Hanging Sponge (DHS) bioreactors … give a darn testWebGet high-quality short term furnished apartments for rent in Kansas, Fawn Creek, KS. … furniture stores in newington nhWebsponge down 1. To wash, wipe, or moisten with or as with a sponge. I didn't have time to … give a definition of iodine number