Tissue360 - Spring/Summer 2017 - 22

onto the conveyor at the FRP, rolls upward
as it leaves the building, travels back through
nearby woods for some distance, goes over a
small creek to the back side of the mill, and then
drops into a high density chest, from which it
is dispersed.
"ST Tissue made some operational changes
to this layout," McGrath emphasizes. "We
didn't necessarily add equipment, we just
added some piping and some bypassing capability. As a tissue mill, we weren't after the same
quality parameters as with fine paper. We made
some design changes so that we could run white
fiber, or we could run kraft. For the first couple

of years, we swapped back and forth, transitioning from white to kraft every few weeks,
depending on orders from the machine. As
time went on, the market was changing a bit
and the economics of making changes from
kraft to bleached and back dictated locking
into kraft.
"We were able to simplify the plant to run
kraft; however, we kept the capability to run
white. That's a big deal with our system-be
flexible. We have it set up now so that we can
just make some valve lineup changes to bring
different equipment on or off line, depending
on what grade we are running.

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SPRING/ SUMMER 2017

www.ibs-ppg.com

8/18/16 2:56 AM

FRP IMPROVEMENTS ALL ALONG
"We have made a lot of improvements with the
existing FRP all along, and have been debottlenecking all along," McGrath continues. "We
added a drum screen recently to our pulping
sequence. That debottlenecked the batching
sequence, because when you pulp, you have to
go through a detrasher, especially when you
feed 'cardboard' and you've got all of these
plastics. We now take a side stream off of that
detrasher and send it to the drum screen,
which is basically a tumbling screen that takes
the plastics out and the good fiber goes on
through. We installed that in November 2016,
and since then we have gone from averaging
26-27 batches to sometimes as many as 36 per
day. As a result, we increased capacity up front
in the process."
The FRP used to struggle sometimes to keep
up with the tissue machine when they were
running towel, McGrath points out. "Now,
when we're both lined out, which we have
been lately, the FRP actually has a little excess
capacity to play with. With napkin, we now
can actually out-run them, take a little down
time and make some repairs on the fly without
having to plan for outages, which has helped."
NEW FRP PULPING SYSTEM
When PM 5 comes online later this year, the
existing FRP would not be able to feed both
machines with its current setup. So a new
pulping system is being installed in a second
building that will be erected to the south
of the existing recycling warehouse. It will
house a conveyor, a pulper, detrasher, and a
drum screen-a combination of existing and
new equipment.
The pulper and associated equipment will
be new, and ST has partnered with Voith to
help with the augmentation of the facility.
Some of the screens and other equipment from
by-passed sections of the plant will be repurposed into the new addition, and the remainder of the equipment is already installed in
the FRP plant.
"We have a lot of piping changes to make
and a lot of existing equipment is being refurbished. The first quarter this year was used
more for planning, and in the second quarter
we will become more active. The third quarter
will be a little stressful, and in the fourth quarter they are going to want to see some pulp,"
McGrath says. "Our target is to have the FRP
ready by November 1-a month before the
planned PM 5 startup. So, we will be ready to
roll by the projected date of December 1.
www.tappi.org


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Table of Contents for the Digital Edition of Tissue360 - Spring/Summer 2017

Setpoint
Tissue Industry News
ST Tissue Launches PM 5 Conversion to Tissue at Virginia Mill
Global Survey Shows Trends in Yankee Dryer Deliveries
How Will the Tissue Connection Between Europe and North America Continue?
St. Croix Tissue: The Strong Newcomer in the US Tissue Business
Sustainability is Central for Sofidel
RISI and TAPPI to Co-Produce Key Tissue Event in 2017
Tissue360 - Spring/Summer 2017 - intro
Tissue360 - Spring/Summer 2017 - cover1
Tissue360 - Spring/Summer 2017 - cover2
Tissue360 - Spring/Summer 2017 - 3
Tissue360 - Spring/Summer 2017 - 4
Tissue360 - Spring/Summer 2017 - 5
Tissue360 - Spring/Summer 2017 - Setpoint
Tissue360 - Spring/Summer 2017 - 7
Tissue360 - Spring/Summer 2017 - 8
Tissue360 - Spring/Summer 2017 - Tissue Industry News
Tissue360 - Spring/Summer 2017 - 10
Tissue360 - Spring/Summer 2017 - 11
Tissue360 - Spring/Summer 2017 - 12
Tissue360 - Spring/Summer 2017 - 13
Tissue360 - Spring/Summer 2017 - 14
Tissue360 - Spring/Summer 2017 - ST Tissue Launches PM 5 Conversion to Tissue at Virginia Mill
Tissue360 - Spring/Summer 2017 - 16
Tissue360 - Spring/Summer 2017 - 17
Tissue360 - Spring/Summer 2017 - 18
Tissue360 - Spring/Summer 2017 - 19
Tissue360 - Spring/Summer 2017 - 20
Tissue360 - Spring/Summer 2017 - 21
Tissue360 - Spring/Summer 2017 - 22
Tissue360 - Spring/Summer 2017 - 23
Tissue360 - Spring/Summer 2017 - 24
Tissue360 - Spring/Summer 2017 - Global Survey Shows Trends in Yankee Dryer Deliveries
Tissue360 - Spring/Summer 2017 - 26
Tissue360 - Spring/Summer 2017 - 27
Tissue360 - Spring/Summer 2017 - 28
Tissue360 - Spring/Summer 2017 - 29
Tissue360 - Spring/Summer 2017 - 30
Tissue360 - Spring/Summer 2017 - 31
Tissue360 - Spring/Summer 2017 - 32
Tissue360 - Spring/Summer 2017 - How Will the Tissue Connection Between Europe and North America Continue?
Tissue360 - Spring/Summer 2017 - 34
Tissue360 - Spring/Summer 2017 - 35
Tissue360 - Spring/Summer 2017 - 36
Tissue360 - Spring/Summer 2017 - St. Croix Tissue: The Strong Newcomer in the US Tissue Business
Tissue360 - Spring/Summer 2017 - 38
Tissue360 - Spring/Summer 2017 - 39
Tissue360 - Spring/Summer 2017 - 40
Tissue360 - Spring/Summer 2017 - 41
Tissue360 - Spring/Summer 2017 - 42
Tissue360 - Spring/Summer 2017 - Sustainability is Central for Sofidel
Tissue360 - Spring/Summer 2017 - 44
Tissue360 - Spring/Summer 2017 - 45
Tissue360 - Spring/Summer 2017 - RISI and TAPPI to Co-Produce Key Tissue Event in 2017
Tissue360 - Spring/Summer 2017 - cover3
Tissue360 - Spring/Summer 2017 - cover4
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