Landfills Bumper Issue
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Issue 11 2012 SPECIAL EDITION: LANDFILLS BUMPER ISSUE Landfills and energy Sampling and Groundwater production analysis plans remediation Cleaning up to produce energy A crucial first step Hobart zinc smelter case study Cooperative Research Centre for Contamination Assessment and Remediation of the Environment CRC CARE is Australia’s leading science-based partnership in assessing, preventing and remediating contamination of soil, water and air. With a unique mix of industry, university and government agency partners, CRC CARE’s research program focuses on the challenges of best practice policy, better measurement, minimising uncertainty in risk assessment, and cleaning up. Collaborations between major industry participants, researchers and end users, nationally and internationally editor’s note editor’s Producing a generation of young Australian professionals highly skilled at solving and preventing contamination Extensive industry training and workshop program Fast-tracking science to the field through a national demonstration sites program Promoting industry access to new technology and knowledge through the Australian Remediation Industry Cluster (ARIC) www.crccare.com Remediation Australasia is a quarterly industry magazine produced by When the seeds of CRC CARE were the Australian Reme- sown in 1999, the remediation diation Industry Cluster industry was worth $300 million per (ARIC) for the Australian year. Following the establishment remediation industry. of CRC CARE and ARIC, this figure has grown to more than $3 billion. International companies focusing on Circulation remediation have also increased in The publication is currently number, from a small handful to more distributed to more than 2,000 than 20. In this environment of rapid recipients throughout Australasia, growth, ARIC’s challenge – to drive free of charge. growth further and deliver even more value in the remediation industry – is Editorial and production Welcome, reader, to Issue 11 of significant indeed. Editor-in-chief Remediation Australasia. ARIC relies on researchers and Ravi Naidu I would like to extend a warm personnel involved with contaminated site assessment and remediation Editor welcome to those of you who have Adam Barclay recently joined ARIC. If you are a to contribute to workshops and newcomer, you may not be familiar conferences. These training Techical editor with our scope or purpose. ARIC was events are crucial in educating Prashant Srivastava launched in July 2007 to promote the policy makers and the community Australian remediation industry. Our about contaminants that harm the Editor, production goal was to make the industry more environment and human health, as Sharmin Patard editor’s note editor’s competitive by introducing advanced well as about potential liability issues. new site assessment and remediation Editorial enquiries The insights, case studies, reports, Adam Barclay, CRC CARE technologies, build capacity and explorations and innovations from our develop skills in these areas, and 08 8302 3925 magazine contributors and industry [email protected] share information about technology, members – along with our readers’ policy and market opportunities in support – are an integral to ARIC’s Front cover image: A Thiess Services Australia and beyond. ability to achieve its mission. In this remediation project in Western Australia How effective has ARIC been light, we are seeking to expand and saw the relocation of contaminated in fostering networking among disseminate our knowledge even further. landfill after the deployment of an industries, universities and policy innovative remediation technique. The current issue of Remediation Turn to page 20 to read the full story. makers, and, as a consequence, Australasia includes a particular expanding the remediation industry? focus on landfills. The large volume Articles which appear in Remediation Since its launch in 2007, ARIC of waste that we generate, much Australasia may be reproduced with has attracted around 2,500 of which finds its way into landfills, written permission from ARIC and members worldwide, and is now is an intergenerational issue – will CRC CARE. Acknowledgement of the technology diffusion arm of CRC we leave this for our children and the source of both the research and CARE. ARIC has actively: grandchildren to manage? To me, the story will be a requirement. This publication is provided for the purpose • built capacity in the remediation the concept of ‘zero waste’, although of disseminating information relating industry sector by hosting training admirable, is a pipe dream – we are to scientific and technical matters. workshops for new and imminent never likely to see a manufacturing Participating organisations of ARIC and graduates sector or individual households that CRC CARE do not accept liability for can exist without generating waste. any loss and/or damage, including • extended new technologies Tell us what you think – I welcome financial loss, resulting from the reliance by enhancing networking your thoughts on waste management, upon any information, advice or among companies, consultants, landfills old and new, and where you recommendations contained in this researchers and policy makers publication. The contents believe the remediation industry will of this publication should • collaborated with local Environment be 20 years from now. not necessarily be taken Protection Authorities to diffuse new As always, please contact us via to represent the views policy as well as the outcomes [email protected] if you have any of the participating of the National Environmental feedback or would like to contribute. organisations. Protection Measure, and We would love to hear from you. ISSN 2201-1714 • conducted workshops for industry Prof Ravi Naidu and government to identify knowledge gaps in environmental Managing Director, CRC CARE Printed on Certified Carbon Neutral, FSC Mix Certified, 55% recycled (30% pre consumer, 25% post-consumer) paper. and remediation industry policy. Editor, Remediation Australasia www.remediationaustralasia.com.au 3 06 20 17 08 features 08 Landfilling the 20 An innovative energy gap approach to Taking a closer look at how landfills can relocating operate as biorefinery sites for biomass landfill production, and how to harness CH4 as a fuel source How do you relocate contaminated materials to a landfill cell, if the chemical classification isn’t right? A case 13 Mining landfills for study in using on-site chemical energy and more treatment of contaminated soils Using alternative waste treatment technologies to recover recyclable 24 Using materials and organic waste from mixed waste streams groundwater interception systems Heavy metal contamination 16 What to consider in water, and the power of when developing groundwater interception your sampling and systems – cleaning up the analysis plan legacy of zinc smelters The crucial first step in assessing the presence of contamination at a site where potentially contaminating contents activities have occurred – developing a sampling and analysis plan (SAP) 4 Remediation Australasia Issue 11 2012 20 24 Photo competition Winner! 22 every issue 30 Australia’s 06 ReMEDIAtion landfill future Brief summaries of remediation Navigating policies, regulations and contamination in the media and legislative instruments on the complex and dynamic landscape of waste management in Australia 38 Research RoundUp An update on current research 34 Perception of focused on environmental brownfield contamination assessment and sites: Myth or remediation in Australia reality? Australia’s brownfield sites are 41 Training and often perceived by the public as events ‘risky’, despite potentially posing no risk. Learn more about public opinion and perceptions of 42 Publications brownfield sites, and the problems Update of remediating these sites www.remediationaustralasia.com.au 5 Your guide to environmental ReMEDIAtion contamination and remediation Tas EPA approves first hazardous landfill Tasmania is set to get its first Category C landfill issues in the licenced to take hazardous waste, with the hope of getting rid of materials previously stockpiled or media sent interstate. Southern Waste Services – a conglomerate run by Kingborough, Sorell, Clarence City and Tasman councils – will build the proposed $10 million new landfill project. The group hope to build the facility at the Copping landfill site, which has Recycling trumps landfills been operating as a Class B landfill since 2002. The Copping landfill is located A new report confirms the Australian about 50km east of Hobart near Marion Bay. recycling sector is a bigger employer With a proposed void capacity of 300,000 cubic metres, the site recently and generates more revenue than the received approval from the Tasmanian EPA. The site would cover about 2.5ha landfill sector, but significant barriers on the 707ha site, which is currently a former quarry.Major hazardous wastes remain to its growth and development. waiting for a home in Tasmania include 200,000 tonnes of Jarosite from Nyrstar’s The report draws on recent figures zinc smelter in Hobart, but the site will also receive a range of hazardous wastes that 26 m t of material was recycled including acids, alkalis, inorganic and organic chemicals, paints, solvents, in Australia in 2008/09. The study pesticides, oil, clinical wastes and industrial sludges. See Using groundwater noted the value of recycling in interception systems on pages 24-28 for a case study on remediating Australia was around