This introduced weed, originally from Africa, is easily spread by seed through vehicles, wind and fire, and under the Biosecurity Act 2014, we must take all reasonable and practical steps to minimise the risk associated with invasive plants under our control.ĭuring fire season, gamba grass will burn hotter than most other plants and grass, severely damaging native flora and fauna, before regrowing vigorously. Gamba grass – an invasive, long-lived grass reaching up to 4 metres tall – is a serious threat to local biodiversity in Weipa.
Depending upon the feasibility, costs and potential for the solution we have financing available and can provide access to our specialists. We are looking for technologies and partners to help us explore new solutions, either as a standalone option or linked to Weipa’s efforts across the rest of our weed control programme. The solution being sought should be safe, environmentally sound and cost effective considering the remote location of our Weipa Operations. The scope may be expanded to consider other areas across the lease pending the success and scope of the work proposed. We are seeking solutions to detect, prevent the spread of, and ultimately eradicate gamba grass, initially within the Andoom quarantine zone. If you have a solution suitable for use of carbon and oxygen rich high purity iron powders outside existing markets, please submit your idea. While our preference is to sell the powder with the carbon and oxygen levels stated above, we also have the ability to process the powder, reducing carbon to 0.05% and oxygen to 0.17%. The typical values of trace elements and size are detailed in the following tables. Rio Tinto iron powders are produced from ilmenite (titanium iron ore) smelting and are not scrap based. Despite having high carbon and oxygen levels, they contain extremely low levels of other chemical impurities. These powders are produced by water granulation. These powders are typically used in applications such as, welding, oxygen absorbers, environmental remediation, etc.ĭue to changing market dynamics, larger volumes of partially processed iron based high carbon, high oxygen powders have become available.
Rio Tinto Metal Powders (RTMP), part of the Rio Tinto Iron and Titanium group ( Rio Tinto Fer et Titane), produces pure iron powders with unique properties. Our powders are packaged in bulk bags and can be delivered worldwide by standard container shipments. We are seeking new applications for use of carbon and oxygen rich iron powders in sizeable volumes outside existing markets, preferably applications where the volume required ranges between 3,000 and 20,000 tonnes per year.
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