From the report I posted earlier.
Revolutionary Reterra
Treatment of Acid Sulphate Soil centres on the Komatsu Reterra BZ210-1 G-Mode, a specialised soil recycler.
The Reterra is specifically designed to handle heavy marine sediments and accurately dose with a range of reagents. Reagents can range from dry hydrated lime, to wet agricultural lime as well as slurried reagents. Dosing hoppers and liquid manifolds are used to add the reagents with the Acid Sulphate Soil, all designed for maximum efficiency.
The G-Mode model offers a dramatically improved and increased workload capability and soil improvement efficiency, and most importantly has set a new benchmark for treating acid sulphate soils.
The Acid Sulphate Soil and reagents are mixed in a chamber consisting of a soil cutter and three flailing hammers, then discharged via another soil cutter. This ensures there is effective mixing between the neutralising reagent and the sulphur compounds containing within the Acid Sulphate Soil. The whole process is controlled with an on board computer system, which monitors throughput of reagents and soil to ensure volumes of material processed are accurately known.
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The extract above from McMahon Services' AASS and PASS management info sheet mentions one of the reagents can be hydrated lime. I'm told by another poster they don't use hydrated lime to neutralise soils. So a fact sheet from a reputable company is to be disregarded in favour of of the opinion of a down-ramping, self-professed expert.
You can use cheaper forms of lime eg Ag Lime, but the effectiveness is also reduced. Particle size also affects the neutralisation rate. There is "value for money" in paying more per tonne for a better reagent.
I'll accept an apology if posted.
Nanu
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