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Recaustificador
Proven FT-NIR application for recausticizer optimization
Recaust Challenges
Online measurements of Kraft pulping liquors have historically been a hurdle for the pulp processing industry. Traditional measurement techniques (i.e., conductivity, density, temperature and differential pressure) have only had moderate success due to scaling and fouling of their probes. Moreover, these devices lack chemical specificity. Until recently, the industry has accepted laboratory titrations as its choice method for complete liquor composition analysis.
Solução FITNIR
Today, FITNIR Analyzers provides reliable, accurate and true measurements for the broadest set of liquor properties. With the ability to provide simultaneous measurements of multiple chemical properties, minimal sample preparation, and no plugging or fouling, FT-NIR is quickly becoming the technology of choice for superior causticizing efficiency.
Propriedades medidas
FITNIR’s Recausticizer analyzer application measures White Liquor ABCs:
- Álcali Eficaz (EA)
- Sulfato de Sódio (Na2SO4)
- Álcali Ativo (AA)
- Tiossulfato de Sódio (Na2S2O3)
- Carbonato de Sódio (Na2CO3)
- Solids Content*
- Sulfeto de Sódio (Na2S)
- Causticizing Efficiency (CE)
- Polysulphides: Active, Inactive, Total, Residual Sulfide
*Fitnir Medição online apenas
Principais benefícios
- $0.6 – 1.2M savings/year
- 6 a 12 meses de ROI
- Reduced deadload content (carbonate)
- Decreased risk of overliming
- Menos exames laboratoriais necessários
- Reduced TTA and EA variability
- Increased causticizing efficiency (CE) at target TTA
Destaques do projeto
Papel Clearwater, Fábrica Lewiston
Excelência em papel, Skookumchuck Pulp Inc.
Domtar Corporation, Kamloops Mill
Mill in US
Weyerhaeuser, Grande Prairie Mill
Domtar Inc., Espanola Mill
Mill in Northern British Columbia, Canada
Mill in Southern US
Alberta-Pacific Forest Industries Inc.
Moinho no leste do Canadá
Lewiston, ID
Skookumchuck, BC, Canadá
Kamloops, BC, Canadá
US
Grande Prairie, AB, Canadá
Espanola, ON, Canada
Northern BC, Canada
Southern US
Athabasca, AB, Canada
Canadá Oriental
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