This is nothing special; 1KG glydicate (can also be liquid). 1KG of water (hotter water means less acid). 1.2L sulfuric acid of 98%. This can even be scaled to IBC if you pour acid slowly into it while having some stirring on it. I didn't, but best would be to do closed on glas and let the...
i just try this process with 1bmk :0.7 water : 0.7 h2so4 reflux 4 hours
the results was very low yield (30-40%) only .... and product was very dirty.
the best results is just dissolve the bmk in 75% h3po4 and reflux with strong heating 3 hours.
the bmk obtain in this method is very clean also and can be use directly for further reactions.