Our laboratory analyses samples from the recovery process of kraft pulp mills:

  • Black liquor, green liquor and white liquor samples
  • Smelt samples
  • Lime mud samples
  • Carry-over samples
  • Deposit samples
  • Fuel samples (calorific value and elementary analyses)

 

Ask more:

Anja Hagman 
Laboratory Engineer (M.Sc. Tech.)
Tel. +358 40 487 6677
anja.hagman@kclkymlab.fi

 

Analysis list:

     
Black Liquor
  Black Liquor (weak / half strong)  
  Ca, soluble SCAN-N 38:01 modif.
  Carbonate SCAN-N 32:98
  Dry matter content SCAN-N 22:77
  Fibre content SCAN-N 22:96
  Residual alkali SCAN-N 33:94
  Sulphate KCL 71:81
  Sulphide SCAN-N 31:94
  Tall oil (soap) KCL 207:82
  Ca, total SCAN-N 38:01 modif.
  Tall oil (soap) KCL 207:82
  Oxalate Subcontracting (SCAN-N 39:05 modif.)
 

Volatile organic componds
   (DMS, DMDS, Methanol, Ethanol)

Subcontracting (GC)
  Turpentine components Subcontracting (GC)
  Ca deactivation Subcontracting
  LHT Subcontracting
     
  Black Liquor as Fired  
  Dry matter content SCAN-N 22:77
  Chlorine   Internal (ASTM D 4208)
  Na and K Andritz int. method (ashing, acid diss.)
  Sulfur, total  Internal (LECO SC-444)
  Na and K SCAN-N 37:98
  Viscosity Subcontracting
  BPR Subcontracting
     
  Virgin Black Liquor  
  Dry matter content SCAN-N 22:77
  Chlorine Internal (ASTM D 4208)
  Na and K Andritz int. method (ashing, acid diss.)
  Sulfur, total  Internal (LECO)
  Heat value  Internal
  Na and K SCAN-N 37:98
  Ash (700 °C) KCL 59:84
  CHN (carbon, hydrogen, nitrogen) Subcontracting (ASTM D 5373, LECO)
  Ca, Mg, Fe, Mn, Al and Si Subcontracting (SCAN-N 38:01 modif.)
     
  Other analyses for Black Liquors  
  Ratio of inorganic/organic matter KCL 61:83
  Nitrogen Internal (Kjeldahl)
  Sulphite + tiosulphate KCL 70:83
  Al, Mg, Fe Subcontracting (SCAN-N 38:01 modif.)
  Si Subcontracting (SCAN-N 38:01 modif.)
     
White and Green Liquor
  ABC-titration 
(total, active and effective alkali)
SCAN-N 30:85
  Insoluble matter (dregs) TAPPI T692 om -04 mod.
  Acid insoluble (in insol.matter) Internal
     
  Sulphide (S2-) SCAN-N 31:94
  Sulphur, total SCAN-N 5:63 and SCAN-N 6:64
  Sulphate SCAN-N 6:64
     
  Sulphite + tiosulphate KCL 70:83
  Chlorine, total SCAN-N 4:78
  Carbonate SCAN-N 32:98
  Na and K Internal
  Ca, Mg, Fe, Mn, Al and Si Subcontracting (ICP)
     
  Oxidized white liquor  
  Residual Na2S SCAN-N 34:96
  Sulphate SCAN-N 6:64
  Sulphite and tiosulphate KCL 70:83 modif.
     
Condensate
  Clean samples (no pretreatment needed)  
  CODCr SFS 5504
  Na SFS 3017
  Methanol, Ethanol Subcontracting (GC)
     
  Highly odorous samples   
  Conductivity SFS-EN 27888
  Methanol, Ethanol Subcontracting (GC)
  Na Subcontracting
  CODCr Subcontracting
  TRS Subcontracting
     
Solid recovery samples (soap, lime, green liquor dregs, scalings)
  Carbonate SCAN-N 32:98, modif.
  Ash (575 °C) ISO 1762:01, modif.
  Calcium in soap Subcontracting (wet digestion, FAAS)
  Oxalate Subcontracting (SCAN-N 39:05 modif.)
     
Esp Ash
  Carbonate SCAN-N 32:98
  Chloride Internal (HNO3 dissolvation, titr.)
  Na and K Internal (HNO3 dissolvation, AAS)
  Sulphate KCL 71:81 (modif.)
     
Smelt
  Sulphide (inc. smelt dissolving) SCAN-N 31:94
  Sulphur, total SCAN-N 5:63 and SCAN-N 6:64
  Sulphate SCAN-N 6:64
  Nitrogen Internal (Kjeldahl)
     
Green Liquor Dregs
  Dry matter content Tappi T692 om-04 mod.
     
Lime mud
  Dry matter contet SCAN N 23:78
  Carbon / Carbonate Internal (LECO)
  Na, water soluble SCAN N 27-81
  Na, total Internal (FAAS)
  Free CaO SCAN N 25:81
  XRF-analysis Subcontracting
  XRF-analysis preatment  Subcontracting
  Mg, Fe, Mn, Al, Si Subcontracting (ICP)
  Sulfur, total  Subcontracting
  Phosphorus Subcontracting (ICP)
     
  Lime mud content Internal
  Spesific filtration resistanse Internal
  Particle size distribution Subcontracting
     
Burnt Lime
  Caustization power Internal
  Carbon / carbonate Internal
  XRF-analysis  Subcontracting
  XRF-analysis preatment  Subcontracting
  Ignition loss ( 1000 °C) Internal
  Pretreatment (Flux) Internal
  Reactivity test Internal
  Phosphorus Subcontracting (ICP)
     
Lime Stone
  Particle size distribution Mechanical sieving
  Carbon / Carbonate  (Leco) Internal
  Impurities / XRF-analysis Subcontracting

 

Contact us

Recovery process of kraft pulp Laboratory

Anja Hagman, Tel. +358 40 487 6677

E-mail: firstname.lastname(at)kclkymlab.fi


Ajankohtaista

POIKKEUSAUKIOLO! Porvoon toimipiste on suljettu juhannuksen aatonaattona eli to 22.6.2017. Kuusankosken laboratorio palvelee torstaina 22.6.2017 klo 12.00 saakka.


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