Brewers Journal Europe - Summer 2020

Page 24

IMPROVE THE PROCESS W

INNOVATION IN THE FIELD OF BREWHOUSE TECHNOLOGY IS HELPING BREWERIES ACROSS EUROPE TAKE THEIR OPERATION TO THE NEXT LEVEL. IN THIS ARTICLE, DR.-ING. VERENA BLOMENHOFE LOOKS AT HOW ZIEMANN SYSTEMS ARE BEING LEVERAGED BY TWO GERMAN BREWERIES TO IMPROVE THE EFFICIENCIES AND EFFECTIVENESS OF THE BREWING PROCESS.

ith Omnium, the

founding years of Ziemann. Comparable

brewhouse tasks

to a piano on which only eight notes were

are divided into

to be played, but now the entire instru-

subprocesses,

ment can be used.

which are treated

Never before has it been possible to

individually and, by subsequently com-

process such a high proportion of raw

bining partial flows, finally completed in

materials in a lautering system. Nessie

an optimal way.

paves the way for the elimination of the

As a result, significantly shorter process

time-limiting process step of lautering.

times and higher raw material yields can

The mash transfer time corresponds

be achieved. The process has a positive

to the lautering time and the lautering

impact on the quality parameters of the

is basically a transfer step of the wort

wort. In addition, the fermentation can

boiling and can therefore be carried out

be accelerated, leading to increased

continuously.

brewhouse and cellar capacities.

With Nessie by Ziemann, the identi-

As part of the development of Omnium,

cal plant can process strongly varying

the brewhouse tasks were divided into

original extract contents (up to 32 °P),

their respective subprocesses and were

depending on the variety, as well as

improved individually.

different starch sources or smallest batch

Finally, these subprocesses were

sizes. With the effective counterflow

reunited at the optimum time to an

extraction, Nessie always achieves high

overall solution. This innovative brewing

yields with the usual sparging water

process is based on the principle of an

quantities of 2.5 to 3.5 l/kg malt.

advantageous combination of individu-

Process times can be reduced by up to

ally improved subprocesses. The core

30 %. The spent grains are discharged

component and centrepiece of Omnium

continuously after passing the fourth

is Nessie.

module with a residual moisture of < 78 %. Overall, the system produces more

It allows almost any batch size and al-

particle-rich and more turbid worts due

most complete freedom in the type and

to the dynamic filtration principle, the

composition of the malt mixture.

viscosity of which plays no role for the

It is not just about the recipes. While

separation.

the classic brewery must rely on special

24

|

SUMMER 2020

barley that has been bred for optimal

The separate vessel Aladin by Ziemann

usability in current brewhouses, all types

succeeds in extracting partial worts for

of grain can be used in the Omnium

an optimized malt utilization. Between

brewhouse – as it was the case in the

one and two percent of the lautering

BREWERS JOURNAL EUROPE


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.