1994  Smurfit-Stone Container, Wabash, Indiana
SCREEN REJECTS AT RECYCLE MILL
Two VP-16's doing screen rejects at a recycle boxboard mill.  Tom Manley, 
513-746-6493, was the plant engineer; we co-authored a Tappi paper.  We arrived at this, our first paper mill, in June 1994.


1995  Domtar (formerly Georgia-Pacific), Port Edwards, Wisconsin
STOCK THICKENING (FOR STORAGE)
They bought a CP-6 to thicken screen rejects which are stored and later added to special runs of bond paper.  Bob Chatterdon, 715-887-5019, is a good reference.


1995  Coastal Paper, Mississippi
REJECT BLEACHED PULP JUST AHEAD OF PAPER MACHINE
This is a paper maker that buys market pulp and converts it into specialty papers.  The tiny CP-4 works perfectly for their screen rejects.


1995  Bowater (formerly Halla Paper), Mokpo, Korea
WASTEWATER SLUDGE AFTER IT IS THICKENED WITH A BELT PRESS
This is a deinking mill.  The furnish is 95% old newspapers and 5% groundwood fiber.  They have four CP-12's, which are beautiful machines.  The presses dewater screen rejects and some primary clarifier sludge, all coming from belt presses.  The cake, at 55% solids, goes to a fluidized sand bed boiler.


1996  Georgia-Pacific (formerly Fort James), Pennington, Alabama
KNOTS AND SHIVES (VIRGIN FIBER MILL)
The VP-16 for dewatering knots and shives at this large virgin fiber mill is working well.  Pat Braud, 205-459-1737, is the cognizant engineer.







1996  CANFOR (Formerly FIBRECO), Taylor, British Columbia
WASTEWATER SLUDGE, PRE-THICKENED WITH A BELT PRESS
This CTMP mill has purchased a VP-16 for pressing primary sludge with some fraction of secondary sludge blended in.  The sludge comes from a belt press.  They produce and sell market pulp made primarily from wood chips


1996  Evergreen (Formerly Samoa Pacific Cellulose) , Samoa, California
1. REJECT BLEACHED PULP JUST AHEAD OF PAPER MACHINE
2. SHIVES
The last virgin fiber mill in California.  They have a pair of VP-10's plus a rental CP-10.  One is used to dewater bleached rejects from just ahead of a paper machine.  Another is for shives.  It enables them to haul the rejects to landfill without environmental problems.  Jorge Babot, 707-443-7511, is the engineer.


1996  Celotex, Quincy, Illinois
SCREEN REJECTS AND WASTEWATER AT RECYCLE MILL
They had a CP-10 rented medium term and have since commissioned a VP-16.  They are a recycle mill that makes the outer paper layer for plasterboard.  The press is used to dewater screen rejects after the hydrapulper.  They solve a landfilling cost and problem by dewatering the rejects.  [Mill shut in 2002.]


1996  Liberty Paper, Becker, Minnesota
SCREEN REJECTS AND WASTEWATER AT RECYCLE MILL
This is an OCC recycle mill pressing tertiary screen rejects plus DAF sludge.  Following successful tests, they purchased a pair of VP-16's.  Steve McPherson, Production Manager, 763-261-6120.


1996  Durango Paper (formerly Gilman), St. Marys, Georgia
KNOTS & SHIVES FROM QUATERNARY SCREEN
This firm has a pair of VP-12 presses, all-stainless construction (including the frames), along with sidehill pre-thickening screens.  Quaternary rejects are pressed prior to burning.  [Mill shut in 2002.]


1996  Georgia-Pacific (formerly Fort James), Clatskanie, Oregon
SAWDUST AT PAPER MILL THAT USES SAWDUST DIGESTERS
Two VP-30 presses were intended to take rain water out of sawdust.  With 400 hp drives, these are 35' long and weigh 80,000 pounds each.  The units are now idle.





1996  APC Paper Company, Claremont, New Hampshire
QUATERNARY SCREEN REJECTS & WASTEWATER AT RECYCLE MILL
This firm has a VP-10 to dewater OCC waste sludge prior to landfill.  Environmental problems associated with an unstable landfill led to the testing that led to the purchase.  They pre-thicken the flow to the press with a sidehill screen.


1996  Millar Western, Meadow Lake, Saskatchewan
DEWATERING CAKE FROM A BELT PRESS AT A CTMP MILL
A Model VP-16 dewatering screw press is used to increase solids in cake from a belt press.  This zero effluent mill burns the cake in a hog fuel boiler.  The primary sludge solids are increased from 30% or less to 40% or more with the screw press.


1996  Simpson Paper, Gilman, Vermont
WASTEWATER SLUDGE AFTER IT IS THICKENED WITH A CLARIFIER
This mill uses market pulp to make high-grade specialty paper.  Reject material from a large clarifier is fed to Somat presses.  The sludge from the Somats, at 10% to 15% consistency, is fed to a Vincent Model CP-6 press.  The Vincent takes it up to 35% or 40% solids.   


1997  Bowater (Formerly Ponderay Newsprint), Usk, Washington
SCREEN REJECTS AND WASTEWATER AT RECYCLE MILL
This newsprint mill is 80% virgin fiber, 20% recycle.  They are pressing a wide range of screen rejects from both operations.  Following a long rental period, they bought a VP-16 in T-316 stainless.  Their order included sidehill screens for use ahead of the press.


1997  Buckeye (formerly Merfin), Delta, British Columbia
WASTEWATER SLUDGE AFTER IT IS THICKENED WITH A CLARIFIER
This mill makes sanitary napkins.  A rental CP-6 worked well in competition with a FAN press.  They purchased a CP-10 for more capacity.  They are pressing reject pulp, which is collected in a Krofta clarifier.


1997  Louisiana-Pacific, Chetland, British Colombia
This mill acquired a CP-10 for sludge dewatering shortly before the mill was closed.







1997  Buckeye (formerly Merfin Europe Ltd.), County Cork, Ireland
REJECT PULP OFF THE PAPER MACHINE
This sister plant has purchased a VP-10 for dewatering reject pulp from a system that converts market pulp into paper product on a dry basis (Air Laid).


1997  Kadant Black Clawson, Mason, Ohio
THICKENING PULP AHEAD OF A DEINKING KNEADER
A VP-16 press for use in a secondary fiber mill in Venezuela.  The press, positioned head of a deinking kneader, is used to thicken 35 TPD of stock to the range of 30 to 35% solids.  The user is Papelera Aragua.


1997  Putney Paper, Putney, Vermont
DEWATERING CLARIFIER UNDERFLOW
This firm purchased a VP-16 for dewatering clarifier underflow.  An improved fiber recovery system seriously reduced the capacity of the press.  Mill closed.


1997  Buckeye Florida, Perry, Florida
KNOTS AND SHIVES (VIRGIN FIBER MILL)
After on-site testing, this 1,200 TPD softwood Kraft mill purchased a VP-16 for dewatering knots and shives.  This relieves landfill load and groundwater contamination, while creating a saleable by-product.  A sidehill screen thickens the flow ahead of the press.


1998  St. Anne-Nackawic, Nackawic, New Brunswick
TERTIARY/QUATERNARY REJECTS PRE-THICKENED WITH A SIDEHILL
This mill rented a VP-16 for two summers before purchasing the machine.  It is used to dewater reject fiber that was otherwise being taken to landfill in a dripping wet condition.  After pressing the cake burns extremely well in their hog fuel boiler.  [The mill was shut in about 2003.]


1998  Kerwin Paper, Appleton, Wisconsin
SCREEN REJECTS FROM HYCOR DISCOSTRAINER
This recycle paper mill produces colored construction paper.  The VP-10 press dewaters rejects that arise when a color change is made.  The press cake is re-used in black construction paper.







1998  Neenah Paper (Formerly Kimberly-Clark), Terrace Bay, Ontario
WASTEWATER SLUDGE AFTER IT IS THICKENED WITH A CLARIFIER
This large virgin fiber mill ran tests using a rental CP-10, dewatering primary sludge that was pumped directly from the clarifier.  They ordered a pair of VP-16's and sidehill screens, and they are very pleased with these.  The press cake is burned in their boiler.  In 2001 a  third VP-16 was ordered to handle a mill expansion, and all the presses were relocated from the WWTP to the boiler house.


1999  ALBERTA RESEARCH COUNCIL, Edmonton, Alberta
A Model CP-10 press is used for laboratory and pilot testing at the Alberta Research Council.


1999  International Paper, Oswego, New York
SCREEN REJECTS AND WASTEWATER AT RECYCLE MILL
This mill had a CP-6 rented for half a year.  While we were switching up to a CP-10, they tried a press by Press Technology, a Springfield, Ohio firm.  That press failed due to wear which was related to high screw rpm.  [The mill is shut.]


1999  Crown Vantage, Milford, New Jersey
DEWATERING CAKE FROM A BELT PRESS
This mill produces food grade wrapping paper from market pulp.  Rated at 200 tons per day, the mill was sending 4 to 8 tons of clarifier underflow sludge to landfill daily.  The purchase of a CP-10 screw press was justified by reduced landfill charges.  The screw press increases the solids of cake from a Komline-Sanderson belt press from 20-27% to in excess of 50%.


1999  Corrugated Services,  Forney, Texas
This recycle mill uses a small KP-6 for light dewatering of solids screened from the wastewater flow.  "The best capital investment this company ever made."


1999  Weyerhaeuser Paper, New Bern, North Carolina
PRIMARY CLARIFIER SLUDGE, PRE-THICKENED WITH A SIDEHILL
This Kraft mill replaced a worn belt press with a Model VP-16 screw press and a pair of Vincent sidehills.  Final press cake solids were improved from the 30's to 45%; the cake is now sold as a fuel to a cogen power plant.  No polymer is used in the clarifier.






1999  International Paper, Hampton, South Carolina
DEWATERING FIBER DUST FROM A SPRAY CHAMBER
This mill is using a Model CP-12 screw press to dewater fiber and phenolic dust.  The dust comes from the spray chamber dust collector.  The mill specializes in the manufacture of hard board used in decorative door facings, counter tops and screw conveyor hanger bearings.


1999  Celulosa Arauco (Alto Parana), Misiones, Argentina
DEWATERING SCREEN REJECTS, 200 GPM FEED AT 1% CONSISTENCY
This Chilean paper company procured a Vincent Model CP-12 screw press for dewatering rejects from a brown stock tertiary screening stage.  The installation is at a softwood Kraft mill in Argentina.  The objective is to recover the chemicals in the black liquor filtrate.


1999  FiberMark, Brattleboro, Vermont
DEWATERING CAKE FROM A COIL FILTER
This specialty mill produces coated or embossed pressboard, using a furnish of 30% virgin and 70% recycled market pulp.  They have a Vincent Model CP-12 screw press that is used to further dewater primary clarifier sludge that is first prethickened to 22% solids with a vacuum coil filter.  The Vincent press increases the consistency to the 45% range, significantly reducing hauling and landfill charges.


1999  Minas Basin Pulp, Hantsport, Nova Scotia
DEWATERING SCREEN REJECTS, PRE-THICKENED WITH A SIDEHILL
This mill has a CP-12 to dewater OCC waste sludge and tertiary/quaternary rejects prior to hauling them to landfill.  Press cake is in the range of 50% solids, and alternatives such as burning are being considered.  Pre-thickening is done with a sidehill screen.


2000  Georgia-Pacific, Crossett, Arkansas
DEWATERING MILL WASTE STREAM
Integrated Technical Services of Baton Rouge, LA bought a pair of VP-16's, each with a pair of sidehills for prethickening, for dewatering the clarifier flow at this 1,600 TPD hardwood and softwood mill.  Later, LARCO purchased another VP-16 for use under a similar contract at the mill.







2001  Gulf States Paper, Demopolis, Alabama
KNOTS AND SHIVES
This mill used a VP-16 from our rental fleet while a new machine was built to their specifications.  The load is estimated at 41 TPD, dry solids.


2001  Rock-Tenn, Sheldon Springs, Vermont
BLACK CLAWSON ULTRA SORTER REJECTS
A small CP-6 is used to dewater 7 TPD of rejects.  They feed from the Kadant Black Clawson Ultra Sorter at 25% solids.  The press cake, at 45% solids, is sent to landfill.


2001  Caraustar Mill Group (formerly Smurfit-Stone), Lafayette, Indiana
DEWATERING RECYCLE MILL REJECTS
A rental CP-10 was used dewatering rejects from screens at this recycle paper mill.  Mark Lindstrom, 765-423-5631, is the cognizant engineer.


2001  Durango-McKinley Paper, Prewitt, New Mexico.
MIXTURE OF MILL WASTE STREAMS
Furnish for this 550 TPD linerboard mill arrives by train and trailer.  Four waste streams, with varying flow rates, including one that is biological, are fed to an Andritz belt press.  The 35% solids cake from the belt press is further dewatered to 37% to 45% solids (depending on the biological component) with a Model VP-16 turning 5 rpm.  This rental press was used until another press at the mill could be rebuilt.  Ed Tom, 505-876-2171, supervises operations.


2002  Georgia-Pacific, Cedar Springs, Georgia
CLARIFIER UNDERFLOW
All wastewater solids from this 2,300 tons per day mill are dewatered in a pair of VP-16 presses.  Pairs of sidehill screens are mounted over the inlet of each of screw press.  The WWTP is operated and managed by Integrated Technical Services of Baton Rouge, Louisiana.


2002  Rock-Tenn, Aurora, Illinois
DEWATERING PRESSURE SCREEN REJECTS
A rental CP-10 was purchased for dewatering screen rejects in this book binders board mill.  John Goll, Assistant General Manager, 630-898-4231.






2002  Noss AB, Sweden
LABORATORY PRESS
This paper industry equipment supplier has purchased a Model CP-4 laboratory press for use in pulp thickening trials.


2002  Ohio Pulp Mills, Cincinnati, Ohio
REJECTS DEWATERING
This mill recovers secondary fiber from gable-top cartons, ice cream cartons, and meat pads.  A great deal of plastic film is present in the rejects.  A custom Model KP-10 press, cut short for low headroom, dewaters their waste flows ahead of the dumpster.


2002  Buckeye, Mt. Holly, North Carolina
DAF SLUDGE AND SIDEHILL SCREEN REJECTS
This conversion mill has air laid paper machines making diaper products.  Excess pulp from the paper machines and floor drains feeds to a DAF or sidehill, then is pumped to a CP-10.  The Vincent press replaced a plate and frame press.  Contact is Tim Kistemaker, 704-822-6400.


2002  Linpac Paper, Cowpens, South Carolina
REJECTS DEWATERING AT RECYCLE MILL
Rejects at this 450 TPD OCC mill include unusually high quantities of plastic.  A flow of 200 gpm is fed directly to a Model CP-12 screw press, without prethickening.  Bill Johnson, 864-463-9090, is the Mill Engineer.


2003  P. H. Glatfelter Co., Spring Grove, Pennsylvania
DEWATERING A KNOTTER REJECT STREAM
A simple, robust Model CP-10 screw press was purchased in 2003.  An enlarged headbox was included to handle surges.  Trials were run with a rental CP-6 prior to the purchase.  Since the feed flow can reach 100 gpm, a 3/32" perforated screen was selected.


2003  Flakeboard Company, St. Stephen, New Brunswick
OIL RECOVERY
A small CP-4 press was purchased to recover valuable oil from waste in this board manufacturing facility.






2003  AV Cell, Atholville, New Brunswick
SCREEN REJECTS DEWATERING
This mill has a Model VP-16 press on extended rental.


2003  Inland Paper, Orange, Texas
DEWATERING CLARIFIER UNDERFLOW
A VP-16 was purchased by Bruce Brothers Dredging under a contract to dewater WWTP sludge at this virgin fiber mill.  Clarifier underflow is prethickened with sidehill screens.


2003  US Gypsum, Gypsum, Ohio
PRIMARY CLARIFIER UNDERFLOW
This mill makes liner for gypsum wallboard.  They use a Model VP-16 press for sludge dewatering.  An IPEC rotary drum screen is used to prethicken the flow to the press.


2004  Blue Ridge Paper, Canton, North Carolina
DEWATERING SCREEN REJECTS
This virgin fiber mill purchased CP-10 presses for dewatering screen rejects in both their softwood and hardwood mills.


2004  Sindihan Paper (UEM), Egypt
DEWATERING CLARIFIER SLUDGE
A Model CP-10 press was sold for dewatering clarifier sludge at this Egyptian paper mill.  In 2006 they inquired about purchasing another identical press for a new project.


2004  Georgia-Pacific, Green Bay, Wisconsin
STYROFOAM AND OTHER FLOATING CLARIFIER WASTE
The KP-16 press at this 1000 TPD recycle mill is in an unusual application.  Floating wastes, mostly Styrofoam and woodchips, are skimmed at about 200 gpm from the WWTP clarifiers.  The press dewaters this waste stream.


2005  International Paper, Pensacola, Florida
EXPERIMENTAL TESTING
A Model VP-16 screw press was used in producing pilot runs of specialty paper, using caustic soda solution.




2005  Eurocan, Kitimat, British Columbia
DEWATERING CLARIFIER POND SLUDGE
A Model VP-22 is used by Jose's Excavating, under contract with the mill, to dewater primary clarifier sludge.  The sludge is loaded to the press after draining in a pond.  The press cake is landfilled. 


2005  Rayonier, Fernandina Beach, Florida
KNOTS & SHIVES
A Model VP-22 was purchased for dewatering knots.  The press was built in all-316 stainless, including the base frame, because of adverse environmental conditions.  The press cake is burned in a mill boiler.


2005  International Paper, Pine Bluff, Arkansas
PRIMARY CLARIFIER UNDERFLOW
This mill is renting two Model VP-16 presses for sludge dewatering.  Sidehill screens are used to prethicken the flow to the presses.