Let the data speak for itself. The graph above is actual BOD data from a craft brewery client of mine in Canada, before and after side streaming. As most of you know who read this website, you know that I…
JohnAugust 25, 2016
Here is a table with some typical brewery wastewater BOD values, as well as COD, TSS, and pH. Sorry for the weird format, there is a lot of data here. pH COD, mg/L *BOD, mg/L TSS, mg/L Generalizations Low High…
JohnMarch 24, 2015
I hesitate to even write this. A brewery on septic just is asking for trouble. However, it's my #1 most frequently asked question, so here goes.... First of all, don't do it! Don't put brewery wastewater in to a septic…
JohnSeptember 2, 2015
You're building a brewery, you're designing your drainage system and you want to know what size brewery wastewater pipe diameter to use. Do not use pipe smaller than 4", even for a small brewpub. ABS and PVC pipe is generally…
JohnAugust 12, 2015
Passivation is an important part of CIP, sanitation, and efficiency in your brewery. At the end of the day, you wind up with a thin layer of chromium oxide on the surface of your vessels, which strengthens the steel, makes…
JohnJune 2, 2016
More and more around the world, you are hearing of various wastewater reuse schemes. It's happening more often than you think in more ways than you'd imagine- there have been beer festivals featuring only reused water. From a technical standpoint,…
JohnMay 11, 2016
When I design a system, I don't include risers on top of my tanks. What's a riser? The green things in the image above. You can see the concrete tanks are buried, and where the surface of the ground will…
JohnFebruary 14, 2017
As most of you know, brewery wastewater stinks. The short story is there are nutrients in wastewater, but usually insufficient oxygen to allow aerobic bacteria to grow. So a different type of bacteria thrives, called sulfate reducing bacteria. These bacteria…
JohnApril 2, 2018