DuBois est une entreprise spécialisée dans le contrôle des dépôts. Nos technologies comprennent des produits visant à éliminer les problèmes liés aux dépôts de matières collantes attribuables aux contaminants des fibres recyclées, aux cassés de conversion des usines de papier et aux cassés revêtus des usines. Notre gamme de produits comprend également des technologies visant à éliminer les problèmes liés à la formation de tartre et à la prolifération des microorganismes.
Contrôle des matières collantes et de la poix végétale
Contrôle du tartre
Contrôle de la prolifération des microorganismes
DuBois has a complete line of products for controlling contaminants from recycled fiber “stickies” and resinous pitch deposits to hardwood and softwood pulps. The DuBois line includes products which use dispersion, detackification, and fixation as mechanisms to control these types of contaminants as well as products based on highly efficient nanoparticle technology. DuBois conducts a comprehensive mill survey and laboratory evaluation to recommend the best products and application strategies for each mill’s unique needs.
Inorganic scale can pose significant problems in every area of a pulp and paper mill. DuBois products help prevent the accumulation of scale on all process surfaces. We offer an extensive line of scale cleaning solutions to remove existing deposits. Our X-Cell line offers both paper machine and pulp mill applications, addressing a wide range of needs across the mill. For paper machines, our solutions improve stock flows, sheet uniformity, and downtime minimization. In the pulp mill, our products enhance efficiency in liquor evaporators, heat exchangers, and green liquor clarification, while improving throughput and extending time between cleaning intervals. Additionally, we help optimize pulp digesters, bleach plants, and kiln scrubbers, reducing maintenance costs and increasing productivity.
The papermaking environment can be an ideal place for biological growth. The paper machine system is well suited to microbiological growth due to the warm, wet environment that is a rich source of nutrients. Microbiological control is a critical aspect of paper mill deposit control, as papermaking equipment can be prone to colonization by slime producing organisms, leading to breaks, defects, and other issues. Stock chests provide an ideal low-oxygen environment for anaerobic organisms that can produce odorous, unhealthy, or even explosive gases. Coatings, pigments, fillers, and other process additives can be spoiled by biological growth, reducing their effectiveness. DuBois offers microbiological growth control solutions designed to address these challenges. Our products include organic biocides as well as stabilizers that, when blended with an active halogen source, control the release of halogen in papermaking systems, providing treatment for paper machine whitewater systems, machine make-up water sources, and shower water.
Trade Expo / 05.05.19
Le congrès PaperCon de TAPPI rassemble plus de 2 000 professionnels du papier et de l’emballage du monde entier. Venez rencontrer les spécialistes des pâtes et papiers de DuBois du 5 au 8 mai à Indianapolis, Indiana (stand nº 312) pour découvrir les traitements des toiles et les solutions de nettoyage pour machines qui optimiseront votre productivité.
Recent Events / 02.10.18
L’acquisition de la division Water Treatment Solutions (WTS) de Triwater Holdings LLC et de ses marques Klenzoid, Eldon Water, Chemco Products et Nashville Chemical renforce la position de DuBois au Canada et améliore nos solutions pour les marchés des institutions, de l’industrie légère, des aliments et boissons et des ressources naturelles.
Recent Events / 18.06.18
IPAC Holdings (Innovative People Advancing Chemistry) se joint à DuBois. IPAC et Power Chemicals répond aux besoins des clients sur les marchés de l’exploitation minière en roche dure, du charbon, des métaux de première fusion, des terminaux vraquiers, des pâtes et papiers et du traitement des eaux.
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