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Webber had clear expectations of what Laragon wanted to achieve when investing in new sorting technologies: “Initially we wanted to try and get almost 100% of the foreign material out of the product, so that was our number one focus. Number two was getting insect damage out (i.e. Carob Moth). And then the third focus for us was any mould issues. The detection of Carpophilus Beetle come as an additional bonus. This has proven to be very beneficial now TOMRA has tuned the machine to detect the pinhole damage.”
While Laragon had already built up a relationship with TOMRA, Webber says it was a case of ‘seeing is believing’ when it came to taking the next step: "On the 2018 installed BSI+ sorter, I was fortunate enough to go over to West Sacramento and look at the machine in demonstration form. It performed exceptionally well there; it was almost too good, the performance was excellent. We came back with that information and thought that if the machine could do 75% of what we observed when we were over there, we would have an excellent machine.”
Much to Laragon’s delight, the machine worked out a lot better than 75% with a high-capacity performance that far exceeded their original expectations. Following the success of the Nimbus BSI+ sorter, Laragon had no hesitation in collaborating with TOMRA to validate the TOMRA 3C. They saw this as yet another way of optimizing their operation to further serve their growers in terms of end-product - specifically inshell - quality, and yield.
In terms of maintenance, the TOMRA 3C requires minimal tweaks or adjustments – factors that contribute to a high-stability performance that ensures consistent quality and food safety.
The Clean in Place fixtures provide extreme sorting stability, allowing Laragon to reduce their hourly cleaning routine on existing sorters to a single ‘once-over’ per shift; a general plant practice rather than a requirement for the sorter itself. When Laragon did observe a drop in output product purity (maintaining a level that was still within the norm), just one 10-minute recalibration was required mid-season: “What we’ve got now is almost a ‘set and forget’ machine in that we get it set up and we can run it with a minimal amount of operator input; we can rely on the machine to get the job done every day.”
The TOMRA 3C was also able to eject some of the problematic product that can at times come through the machine (i.e. black stained shell), an item that some sorters would only render a higher yield loss if targeted. Additionally, the TOMRA 3C has worked to significantly improve yield and reduce waste: “Yield optimization was one of the key factors we originally looked at because we were hoping to be able to run our grower’s product through and take the very small amount of inferior product out – in that regard, the machine has done exceptionally well. It was surprising to see that our inshell product purity standards of +98% (or max. 2% of remaining foreign material in the end-produce) were achieved with ease. In fact, across the 2019 processing season we averaged an inshell product purity of +99.5%.”
When compared to previously used sorters, Laragon recorded an average Good in Bad ratio (good inshell produce in the rejected product steam) of 15%, where this had previously been in the range of 30%+, essentially resulting in a 15% improved pack-out yield on inshell produce while allowing any rejected inshell produce to be shelled to a usable kernel. Webber added: “One of the things we do is obviously monitor our good product in our waste bins and the ratio of that is well within acceptable limits so there’s very little food waste.”
Over the last couple of years, Laragon estimate they have increased their throughput by about 25%, with their plant currently processing around about 12,000 tonnes of almond kernels each year.
Since their first installation, Laragon’s close relationship with TOMRA Food’s service team has been a critical element of the installation’s success: “Right in the early stages of this purchase I pointed out to the sales guys that we needed at least one out of the two; a very reliable machine with less ability to back up service or, if we didn’t have a reliable machine, we needed very good back up service. Now obviously we haven’t used the back-up service too often so having a very reliable machine sort of answered most of our questions there I think.”
In many ways, Laragon’s willingness to innovate, partnering with TOMRA Food to share their exceptional results with other Australian almond processors during the 2019-season, opened up a new space and reframed the way the industry was looking at this technology: "We’re already proven over the last few years that we can work with TOMRA Food. The staff are very helpful we’ve hopefully assisted them every time they’ve been to our facility to help them feel comfortable working with us and building a relationship that I think it’s quite strong,” said Mark Webber.