Resource Centre

2017 Ozwater - Company Profile

High Iron, High CO2 Groundwater - A difficult combination

Aqwest engaged Hunter H2O (Formerly Hunter Water Australia) to review pH correction and water stability options, to raise the current lower pH levels to the target of 7.6 and reduce CO2 levels to 15 mg/L. A paper by Clara Laydon.

Utilising Modelling Projects to consolidate System Data - A Knowledge Management Exercise

Hunter H2O (Formerly Hunter Water Australia) have developed several systems to not only compile and consolidate the knowledge in an accessible, understandable format, but also to allow the client to utilise this knowledge for other projects and as general reference tools. A poster by Daniel Alexander.

Ozone-enhanced Particle Removal in Drinking Water Treatment

High residual particle counts in filtered water have implications for potential breakthrough of protozoan particles such as Cryptosporidium and Giardia. A pilot plant study utilising dual media filters was conducted to investigate a number of techniques for enhancing particle removal from settled water through filtration. These included use of filter aid polymer, increased coagulant dose and ozonation. While applying a filter aid polymer and/or increasing the coagulant dose was found to result in significant reductions in the residual particle counts, the most dramatic effect was achieved when the settled water was dosed with a combination of ozone and filter aid polymer. A paper by Yaode Yan.

Energy Management "It is not about going to the gym"

Implementation of energy management is in many ways analogous to how people treat going to the gym. We know it's good for us, we know we should be doing it and we all have the best intentions to do it. Getting started is the hardest part. Organisations behave like people when it comes to energy management. A paper by David Bowerman.

Swan Hill WTP 'Poolifier' - OzWater14

This paper details the application of water treatment design and operating principles in the design of temporary structures to enable coagulation, flocculation and settling in the swimming pool; describes the construction and commissioning of the equipment; details the operating performance achieved; and describes the challenges and obstacles faced and resolved in providing a temporary but robust and reliable process for clarification using a structure not intended for water treatment purposes. A paper by Dr Craig Jakubowski and David Girwood

Ozone and Biological Filtration for Algal Metabolite Removal in Australian Waters

This presentation was delivered by Dr Craig Jakubowski and Dr Yaode Yan at OzWater 14 as part of Ozone day. The presentation outline is as follows:

  • Treatment methods for removing algal metabolites
  • Ozone and biological filtration for drinking water treatment in Australia
  • Pilot plant case study
  • Full-scale upgrade case study

The Water and Wastewater Knowledge Management System, Developed by Operators for Operators

Paper based operations and maintenance manuals have been produced as the traditional method for delivering plant information. However they are often ‘left on the shelf’ and the original investment spent on these documents declines over time as the information becomes out of date.
This paper outlines how Hunter Water Australia (HWA) developed a knowledge management system (KMS), a ‘one stop shop’ where all aspects of plant operation are fully integrated and accessible in a timely manner. The benefits being how the KMS has improved training, operational consistency and has provided an extension of the quality management system to field operations.

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