<html><head></head><body lang="en-GB" style="background-color: rgb(255, 255, 255); line-height: initial;"> <div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;">Dear Andrew</span></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;"><br></span></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;">I didn't have an opinion before measuring the production. They boil about 430 litres and get 90 kg of salt approx. </span></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;"><br></span></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;">They sell brine to the tofu industry and the float has to read above 27%. I tried in vain (almost) to find out what the units were and we concluded it must be on a mass basis. </span></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;"><br></span></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;">Any advance on that is welcome. </span></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;"><br></span></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><span style="line-height: initial;">Crispin </span></div><div id="_originalContent" style=""><div>
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<br>
Crispin this doesn't make sense to me, salt saturates at about 4.5%<br>
(which Frans Peeters has confirmed in a private message along with<br>
exhortations to avoid losalt containing potassium chloride or free<br>
flowing sulfocyanates in refined salt) I don't think it varies much<br>
with temperature. We used to grow large cubical crystals from cooling<br>
supersaturated salt by dropping in a seed crystal, I don't think this<br>
works with refined salt with the additives.<br>
<br>
However this makes little difference to the concept of using a biomass<br>
burner to evaporate off water, just that more water needs removing<br>
than you think.<br>
<br>
AJH<br>
<br>
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