Essays about: "Hardwood black liquor"

Found 3 essays containing the words Hardwood black liquor.

  1. 1. Studies of the Impregnation Stagein Kraft Pulping of Hardwood

    University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)

    Author : Jonas Garemark; [2018]
    Keywords : ;

    Abstract : In kraft pulping, one of the main issues is the extensive wood losses. With increasing prices ofwoody biomass an incentive towards minimizing the wood losses exists. Amongst the variousprocess steps, the impregnation of wood chips has shown to enhance the cooking by providinga homogeneous distribution of chemicals inside the chips. READ MORE

  2. 2. Impact of hardwood black liquor addition on the chemical and physical properties of kraftliner - a lab study

    University essay from Luleå tekniska universitet/Industriell miljö- och processteknik

    Author : Fredrika Sundvall; [2017]
    Keywords : Hardwood black liquor; Xylan; Kraft pulping; Black liquor.;

    Abstract : Kraft pulping, also known as sulphate pulping is a complex process where the wood components are liberated from each other facilitated by chemical reactions. During the pulping process some dissolved and degraded compounds end up together with the spent cooking chemicals in the black liquor. READ MORE

  3. 3. Teknisk utvärdering av en ny miljövänlig förbehandlingsmetod av biomassaavfall med utspädd salpetersyra

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Li Zhi; Oliver Murgårdh; [2012]
    Keywords : lignin; cellulosic ethanol; sweet liquor; pre-treatment; dilute nitric acid pulping; SSF; SHF; cellic ctec2; yeast; NABC; bio-refining;

    Abstract : Bio-refining of renewable resources such as waste biomass into value added products has increased rapidly over the last decades. The aim is to find new environmentally friendly yet economically feasible ways of replacing current utilization of non renewable resources. READ MORE