biological trickling filter Articles

  • Biological trickling filters - New Zealand

    The Client VWS UK is involved in a unique project in New Zealand for a new Wastewater treatment plant in Hastings. The Client's Needs In New Zealand the Maori people have a strong influence over any decision affecting the land. Maori are deeply offended by discharge of human wastes, particularly to natural waters and also land.Historically, in Maori ...


  • Enhanced nitrogen removal in trickling filter plants

    The Beaudesert Sewage Treatment Plant (STP), originally built in 1966 and augmented in 1977, is a typical biological trickling filter (TF) STP comprising primary sedimentation tanks (PSTs), TFs and humus tanks. The plant, despite not originally being designed for nitrogen removal, has been consistently achieving over 60% total nitrogen reduction and low effluent ammonium concentration of ...


    By IWA Publishing

  • Can trickling filters be used in a BNR process?

    Nitrogen and phosphorus are nutrients in a wastewater treatment system. A Biological Nutrient Removal (BNR) process removes either portions of the influent total nitrogen through denitrification or portions of the influent phosphorus through anaerobic selection or both. In a BNR process, ammonia is ultimately converted to nitrogen gas, not just nitrate or nitrite. If you have requirements for ...


    By Brentwood Industries, Inc.

  • Study about the influence of the pH and temperature in a biological wastewater trickling filter with beds of attached biomass to small stones case study

    Preliminaries This service is carried out from the agreement reached by Surcis with an engineering company to conduct a study on the approach to analyze the influence of temperature and pH in a municipal wastewater treatment plant provided with a tricking filter process with small stones (as biomass carriers), where there is a very poor nitrification process performance. This ...


    By SURCIS, S.L.

  • Biological active groundwater filters: exploiting natural diversity

    In the Netherlands, biological trickling filters without chemical pre-oxidation are generally applied to treat anaerobic groundwater, containing methane, iron, ammonium and manganese. Previous research showed that all compounds can be removed in one filter step and that not only the ammonia oxidation (by nitrification), but also the iron oxidation is often a biological process, despite oxygen ...


    By IWA Publishing

  • Home of random biological filter media - Case Study

    Biomarble from warden biomedia range selected by wpl for their largest tertiary treatment plant provided for Yorkshire water’s Danesmoor site WPL were challenged with the task to design and manufacture the largest bespoke modular steel wastewater process solution (N-SAF) the company have ever supplied. The unit had to handle 50 l/sec FFT, almost twice the average, so something ...


    By Warden Biomedia

  • Back-propagation neural network for performance prediction in trickling bed air biofilter

    Experimental studies were carried out with a laboratory-scale biotrickling filter to treat a gaseous stream contaminated with benzene, toluene and xylene (BTX) operated in a continuous mode. The biotrickling filter initially acclimatised with toluene was used to treat BTX compound individually at loading rates ranging from 7.2 g/m³hr to 62.2 g/m³hr, operated in a sequential mode. The results ...


    By Inderscience Publishers

  • Pilot-scale study of vertical flow constructed wetland combined with trickling filter and ferric chloride coagulation: influence of irregular operational conditions

    The aim of this study was to characterize the efficiency of an intensified process of vertical flow constructed wetland having the following particularities: (i) biological pretreatment by trickling filter, (ii) FeCl3 injection for dissolved phosphorus removal and (iii) succession of different levels of redox conditions along the process line. A pilot-scale set-up designed to simulate a ...


    By IWA Publishing

  • What is biological wastewater treatment?

    Biological wastewater treatment harnesses the action of bacteria and other microorganisms to clean water Biological wastewater treatment is a process that seems simple on the surface since it uses natural processes to help with the decomposition of organic substances, but in fact, it’s a complex, not completely understood process at the intersection of biology and ...


    By Fluence Corporation

  • Contributions of homogeneous, heterogeneous and biological iron(II) oxidation in aeration and rapid sand filtration (RSF) in field sites

    In groundwater treatment, after aeration, iron(II) is precipitated in rapid sand filtration (RSF) by homogeneous, heterogeneous and biological oxidation. The contribution of homogeneous iron(II) oxidation may be calculated from equations and constants available in the literature. Heterogeneous iron(II) oxidation produces hydrous ferric oxides coated filter sand, resulting in a growing filter ...


    By IWA Publishing

  • Biotreatment of off-gases from a waste water buffer

    1. The Problem As on alternative to an initially planned adsorptive treatment by activated carbon of gases emitted by a buffer for from industrial effluents, also a biological treatment had been was investigated. 2. Solution of the problem Treating the off-gases in a two-stage bio-trickling filter using microorganisms attached to LEVAPOR carrier the problem has ...

  • The Rhizopur® process ten years on: a green solution for sewage treatment in small communities

    Ten years ago the Rhizopur® process was conceived in order to treat sewage from small towns. Since 1999 when the first Rhizopur® plant was commissioned, the number of facilities has been growing steadily and today there are more than fifty Rhizopur® facilities in France. This process combines three existing technologies, i.e. biofilm, infiltration/percolation and mineralisation in constructed ...


    By IWA Publishing

  • Treatability study of two hybrid-passive treatment systems for landfill leachate operated at cold temperature

    Cold ambient temperatures can negatively affect the performance of passive and semi-passive landfill leachate treatment systems and decrease treatment efficiency. Cold temperature leachate treatment efficiencies were compared between a commercially available semi-passive treatment system and a passive peat and wood shaving biological trickling filter. The addition of an active fixed-film ...


    By IWA Publishing

  • Warden Biomedia Chosen for Swallow Fields Business Park Wastewater Treatment Upgrading Project by Marsh Industries - Case Study

    The Swallow Fields Business Park in Hailsham Sussex was developed in open countryside with no main sewage connections. The development is a mix of residential, business and retail accommodation. A major concern for BNP PARIBAS, the Consultant Engineer, and the Environment Agency was the effective treatment and disposal of the raw sewage from the site where there is such variable loading. Marsh ...


    By Warden Biomedia

  • Wastewater Treatment Plant Optimisation PLANT C - Case Study

    Site Details:: PLANT C Wastewater Treatment Works, Co. Cavan, Ireland. Operator details: Undisclosed Description of Wastewater Treatment Facility: PLANT C is a Municipal Wastewater Treatment Facility which uses a trickling filter and RBC for treatment of the wastewater and has tertiary treatment using a reed bed before final discharge. Plant consists of an ...


  • Minimisation of Hazardous Waste: Bayer Formulation Plant

     Background Bayer Australia Limited formulates agricultural and veterinary products for the Australian and New Zealand markets at their Wyong Formulation Plant in NSW. Due to the nature of the materials the company has adopted a vigorous approach towards monitoring the quality and minimising the quantity of the waste it generates. In January 1992 the company launched a waste ...


  • Warden Biomedia Chosen for New Severn Trent Wastewater Plant - Case Study

    Severn Trent Water Limited (STWL) is a regulated business with responsibilities for the provision of water and sewage services to over 8 million people in an area stretching from the Severn Estuary to the mouth of the Humber. Severn Trent Water Limited constructed two aerobic treatment units (ATUs) at an existing Sewage Treatment Works. The ATUs were required as part of wider asset maintenance ...


    By Warden Biomedia

  • Physical–chemical characterization of sludge and granular materials from a vertical flow constructed wetland for municipal wastewater treatment

    The use of vertical flow constructed wetlands (VFCWs) is well developed in France and other countries for the treatment of wastewaters from small communities. The patented Azoé® process has been developed by a French company, SCIRPE, in order to improve denitrification and phosphorus removal as compared to classical VFCWs. It includes a biological trickling filter pretreatment ...


    By IWA Publishing

  • Army Truck Wash Depot case study

    The Problem: The Army Truck Wash Depot had a trickling filter that was not capable of handling the organic loading generated by heavy vehicle wash operation. The tricking filter was channeling the wastewater due to media that had been crushed by the weight of the biomass that could not be sloughed off. As a result, the ability to treat the wastewater for BOD ...


    By BioprocessH2O

  • Versatile and Reliable Bio-augmentation to Remain within Discharge Consent

    Cleveland Biotech Ltd's Baccelerator® was launched two years ago. It has been employed in a wide variety of applications and has improved the biological performance of all the treatment works to which it has been attached. Examples of some of the uses to which the ...


    By Cleveland Biotech Ltd.

Need help finding the right suppliers? Try XPRT Sourcing. Let the XPRTs do the work for you