Abitibi Consolidated, Fort Frances
- New 7th digester start-up in Dec/97
- Rebuilding other 6 digesters, 2 per year
- April construction of a $9 million odour reduction system
- NCG/SOG incinerator, SO2 scrubber, mods to existing blow heat recovery, condensate stripper, NCG collection system
Avenor, Thunder Bay
- R10 generator focus - video based level indication, next stage is video based level control
- DCS in R10
- Working on virtual analyzers for chlorate and acid concentrations (Pavillion)
Cariboo Pulp, Quesnel
- Partial BP recycle
- Steam mixer changes, so raised Eo temperature from 650F à
800F
- increased peroxide, got a 1:1 replacement with ClO2
Celgar Pulp, Castlegar
- Eo washer is being changed to a DD washer, Oct 15 start-up
- Added doctor blade on SVPLite ClO2 saltcake filter to reduce chlorides in sesquisulphate
Crestbrook Forest Industries, Cranbrook
- divested 40% interest in AlPac
- purchased mill wide info system (Aspen Tech), start-up in May
- Kepner Tregoe training started last year, intend to have entire mill, staff and hourly, trained
- Looking at roller compacted concrete under chip piles
Degussa
- purchased Gibbons, AB peroxide facility from Dupont, increasing capacity from 80,000 tpy to 153,000 tpy
Domtar Speciality Papers, Cornwall
- peroxide trials as anti-chlor and in scrubber
- modified process to Dep(DE)D, found no benefit from oxygen
- recovery boiler mods $8-$10million - rapid drain, combustion air, liquor gun to reduce TRS, venturi scrubber
E.B. Eddy Forest Products, Espanola
- ISO 14001 registered, took 12 months
- peroxide trial on hardwood. Peroxide will be added to first extraction stage early May
- installing Ametek ClO2 analyser on two bleach scrubber stack late May (old Dupont analyzer)
- converting both ClO2 scrubbers to weak wash, alkaline filtrates are not effective enough
- new hardwood screen room started up in April including Beloit CB filters
Fletcher Challenge Canada, Crofton P&P
- on strike from July 14, 1997 to April 15, 1998
- building a two stage high pressure oxygen bleaching stage after the Do stage, expect to reduce kappa factor by 75%, due to startup October, 1998
Fletcher Challenge Canada, Mackenzie Pulp
- expect to have ISO 14001 registration by Dec/98
- startup this week of five new Ahlstrom MCV 32-4 MC pumps and two Ahlmix MC chlorine dioxide mixers
- during Thursday’s startup managed to sewer soap, so shutdown the mill for five days, will probably be ready to start up tomorrow. Passed daphnia and rainbow trout bioassays, so aerated basins did not go toxic.
HA Simons
- Tom Simons is selling his majority interest
Harmac Pacific, Nanaimo
- Pope and Talbot has purchased 53% of Harmac, H/O now in Portland
- New chip dumper in fall, new barge unloading, so shutting down chipper
- Raise P number targets to get 42% delignification
- Added economizer to smallest RB
- R8 packed tower installed – WL scrubber is 100% efficient
Heimburger and Associates
- Presenting two papers, drop your card off if you would like copies:
- Optimizing ECF Bleaching à
Helsinki
- Optimizing TCF Bleaching à
TAPPI in Montreal
Howe Sound P&P, Port Mellon
- Digester kappa targets up 25 à
36, 18 out of oxygen delignification
- Looking at upgrading/replacing WL oxidizer
- Replacing D1 peg mixer and old high shear mixer with Beloit X mixers
- June completely ECF – replaced spargers with two Ahlmixers in Eop stage
- Replaced Do washer with Corrudec 254 SMO
- Now registered to 14001
- Safety – severe corrosion in manhole botttom of D2 upflow tower, nozzle broke off, emptied upflow, knocked down wall, cause was corrosion inside D2 (probably during TCF runs)
James MacLaren, Thurso
- kappa analyzer Aug/98
- trial on enzymes this year
- improvement in yield 8.5à
8.8 tpd, now cooking hw and sw
- ISO 14001
- Problems with TSP, replacing every 6-12 months
- Going to 92-93% brightness with peroxide
Kimberly-Clark, New Glasglow
- not for sale any more
- boiler limited, so increasing k number 21
- E2 peroxide, getting better benefit than in E1
- Looking at pressure screens
- Looking at enzyme trial
Malette Kraft, Smooth Rock Falls
- starting new recaust slaker in May, causticizer in August
- retrofit of refuse boiler grates and feed system during entire month of May
- cost reduction program have cut mill costs by 14%
Northwood Pulp and Timber, Prince George
- restructuring of staff
- CO2 trial – marginal improvements
- MgSO4 trial on mini-oxygen – mixed results
- Pressurized black liquor filters approved
- SO2 usage problems – went cold turkey on D1 and D2, now running proper pH, saving 1 kg ClO2
- Filtrate extractors working well for filtrate E2 A line (BTG), D1 B line (Kajaani)
- Peroxide on Eop, 5kg/t, good results now
OCI Canada
- Dupont has divested peroxide business to Korean based company called OCI, buying Maitland and Memphis plants
Pacifica Paper, Powell River
- Sold to investors
- New repulper at wet lap machine
- Going to SAP system for paper, MOPS for mill wide info system
- Changing ClO2 injection point ahead of the old chlorine mixer
- Modifications to cascade evaporator on RB
Paprican
- major construction at Pointe Claire, doubling pilot plant capacity, new paper machine with high intensity dryer
- more room for bleach pilot plant to install recycle system
PCI Chemicals Canada
- Pioneer Companies Inc bought all of ICI Forest Products
Repap, Miramichi
- CD washer replaced with Canron washer
- Relined generator domes
University of Toronto
- New consortium on Surface Science in Papermaking starting in third quarter of 1998
- Surface chemistry of pulp fibres
- Paper wetability
- Adhesion
- Modification with reactive polymers
- Coating interaction with base sheet
- Fibre-fibre friction
- formulating ideas, will put out to industry in a month or so for comments
- TAPPI bleach plant operation short course – 115 people last year and this year, almost annually since 1983
Western Pulp Ltd. Partnership, Squamish
- Installed 50% peroxide tank
- Installing CO12 storage
- DEpoD à
DEoEpoD
- Nov/97 full time ECF
Weyerhaeuser, Kamloops
- Beloit O2 delignification, 2 stage washing, 2 reactors started up November 97 equipment running well now getting 40 - 45 % delig
- white liquor oxidizer running but concerned about stress corrosion cracking
- recaust improvements running however some pluggage in flash dryer on kiln