Chemical Engineering November 2021 - 9

AI-supported polymer-dosage system slashes operating costs
Andritz
L
ast month, Andritz AG
(Graz, Austria; www.
andritz.com) introduced
its next-generation of
Metris addIQ RheoScan, the
world's first patented, opticalmeasurement
system for automatic
polymer dosage in belt
presses and gravity belt tables.
The new generation uses artificial
intelligence (AI) to optimize
polymer dosing. Savings
in polymer lead to operating
expenditure (opex) reduction by up to 40% for sewage
sludge, coal sludge or paper sludge dewatering, the
company says. Using the " cutting-edge " technologies
also help to maintain optimum cake dryness and to identify
blinded belts, which in turn leads to smoother operations.
Installations in wastewater treatment plants with
digestion processes have seen the additional benefit of
higher biogas yields. The new squeeze-control option
enables the system to operate at the capacity limits of
the machine 24/7, effectively eliminating downtime.
With Metris addIQ RheoScan, an imaging system takes
Optimum sludge condition -
depending on the desired sludge
quality in the respective plant
pictures of the sludge surface. Each picture is divided into
multiple sub-images that are classified by a previously
trained convolutional neural network (CNN) regarding its
Without RheoScan, the operator would need to dose the polymer manually (and continuously) to achieve the desired
sludge at the end of the thickening and/or dewatering process
particular flocculation condition, which are represented by
texture and color of the sludge (see example photos). The
total degree of flocculation is then calculated over all images
(0% wet, 100% dry) and compared to a setpoint. A
controller continuously adjusts the polymer flow to keep
the degree of flocculation at the setpoint.
Metris addIQ RheoScan measures the actual sludge
conditions throughout the thickening and dewatering
stages in real time, without supervision, and can be applied
to any belt press or gravity belt table in all types
of municipal and industrial sludge-processing facilities.
Users who have installed a Metris addIQ RheoScan
generally recouped their investment in less than a year,
says the company.
n
Ultrapen
Ultrapen
PT Series
900 Series
PTBTX2
Series
Ultrameter
6PFCE TM
Compatible with Android
and iOS Devices.
www.myronl.com
760-438-2021
CHEMICAL ENGINEERING WWW.CHEMENGONLINE.COM
For details visit adlinks.chemengonline.com/80075-04
NOVEMBER 2021
9

http://www.andritz.com http://adlinks.chemengonline.com/80075-04 http://WWW.CHEMENGONLINE.COM

Chemical Engineering November 2021

Table of Contents for the Digital Edition of Chemical Engineering November 2021

Chemical Engineering November 2021 - Intro
Chemical Engineering November 2021 - Cover1
Chemical Engineering November 2021 - Cover2
Chemical Engineering November 2021 - 1
Chemical Engineering November 2021 - 2
Chemical Engineering November 2021 - 3
Chemical Engineering November 2021 - 4
Chemical Engineering November 2021 - 5
Chemical Engineering November 2021 - 6
Chemical Engineering November 2021 - 7
Chemical Engineering November 2021 - 8
Chemical Engineering November 2021 - 9
Chemical Engineering November 2021 - 10
Chemical Engineering November 2021 - 11
Chemical Engineering November 2021 - 12
Chemical Engineering November 2021 - 13
Chemical Engineering November 2021 - 14
Chemical Engineering November 2021 - 15
Chemical Engineering November 2021 - 16
Chemical Engineering November 2021 - 17
Chemical Engineering November 2021 - 18
Chemical Engineering November 2021 - 19
Chemical Engineering November 2021 - 20
Chemical Engineering November 2021 - 21
Chemical Engineering November 2021 - 22
Chemical Engineering November 2021 - 23
Chemical Engineering November 2021 - 24
Chemical Engineering November 2021 - 25
Chemical Engineering November 2021 - 26
Chemical Engineering November 2021 - 27
Chemical Engineering November 2021 - 28
Chemical Engineering November 2021 - 29
Chemical Engineering November 2021 - 30
Chemical Engineering November 2021 - 31
Chemical Engineering November 2021 - 32
Chemical Engineering November 2021 - 33
Chemical Engineering November 2021 - 34
Chemical Engineering November 2021 - 35
Chemical Engineering November 2021 - 36
Chemical Engineering November 2021 - 37
Chemical Engineering November 2021 - 38
Chemical Engineering November 2021 - 39
Chemical Engineering November 2021 - 40
Chemical Engineering November 2021 - 41
Chemical Engineering November 2021 - 42
Chemical Engineering November 2021 - 43
Chemical Engineering November 2021 - 44
Chemical Engineering November 2021 - 45
Chemical Engineering November 2021 - 46
Chemical Engineering November 2021 - 47
Chemical Engineering November 2021 - 48
Chemical Engineering November 2021 - Cover3
Chemical Engineering November 2021 - Cover4
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