首页> 外国专利> METHOD FOR INHIBITION OF CALCIUM SALT INCRUSTATION FORMATION IN A CHEMICAL PULPATION PROCESS, PAPER PULP MANUFACTURING PROCESS AND COMPOSITION FOR INHIBITION OF CALCIUM SALT INCRUSTATION FORMATION IN A WATERPROOF POLICY PROCESS

METHOD FOR INHIBITION OF CALCIUM SALT INCRUSTATION FORMATION IN A CHEMICAL PULPATION PROCESS, PAPER PULP MANUFACTURING PROCESS AND COMPOSITION FOR INHIBITION OF CALCIUM SALT INCRUSTATION FORMATION IN A WATERPROOF POLICY PROCESS

机译:在化学制浆过程中抑制钙盐形成的方法,纸浆制造过程和在防水政策过程中抑制钙盐形成的组合物

摘要

method for inhibiting calcium salt scale formation in a chemical pulping process, paper pulp manufacturing process and composition for inhibiting calcium salt scale formation in an aqueous system in an alkaline chemical pulping process at present The invention relates to a method for inhibiting the formation, deposit and adhesion of calcium salt encrustation on metallic and other surfaces in the equipment, vessels and / or piping of a chemical pulping process unit comprising the addition of an effective amount for inhibition of fouling of a composition with the aqueous alkaline mixture in the digester of said chemical pulping process. said composition consists of at least one phosphonate component (i) and at least one component (ii) consisting of at least one carboxylated fructan compound.
机译:本发明涉及一种用于抑制化学制浆过程中钙盐垢形成的方法,纸浆制造方法以及用于抑制碱性化学制浆过程中水系统中钙盐垢形成的组合物。钙盐外壳在化学制浆工艺设备的设备,容器和/或管道的金属表面和其他表面上的粘附力,包括添加有效量的水以抑制组合物被所述化学物质消化池中的碱性水溶液污染制浆过程。所述组合物由至少一种膦酸酯组分(i)和至少一种组分(ii)组成,所述至少一种组分(ii)由至少一种羧化果聚糖化合物组成。

著录项

  • 公开/公告号BRPI1009901B1

    专利类型

  • 公开/公告日2020-03-10

    原文格式PDF

  • 申请/专利权人 DEQUEST AG;ITALMATECH CHEMICALS S.P.A.;

    申请/专利号BR2010PI09901

  • 发明设计人 SHELDON PHILLIP VERRETT;

    申请日2010-03-16

  • 分类号C02F5/10;C02F5/12;C02F5/14;D21C3/22;D21C9/08;D21C11/10;

  • 国家 BR

  • 入库时间 2022-08-21 11:18:07

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