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Black liquor

In industrial chemistry, black liquor is the waste product from the kraft process when digesting pulpwood into paper pulp removing lignin, hemicelluloses and other extractives from the wood to free the cellulose fibers.The equivalent material in the sulfite process is usually called brown liquor, but the terms red liquor, thick liquor and sulfite liquor are also used.

Black liquor

  • Instituto de Investigación Geológico y Energético

    Type: 
    Organisation
    Knowledge partner
    Country of registration:
    Ecuador
    Relation to CTCN:
    Network Member
    Knowledge Partner
    TA proponent

    IIGE is a research institute that promotes development, innovation and transmission of technology focused on energy efficiency and renewable energy. The institute aims to contribute to the sustainable development of the Ecuadorian society, through the implementation of energy efficient and energy renewable policies and projects.

  • Scaling up energy efficiency in tofu and tempe SMEs in Indonesia

    Type: 
    Publication
    Publication date:

    Background

    Tofu and tempe are fundamental to the Indonesian diet. Demand for these products is served by an industry of small and medium sized enterprises (SMEs) employing 285000 workers in 85000 businesses. Production practices are extremely energy inefficient and environmentally damaging. Enterprises use firewood resulting in a per-factory emissions average of 450 tons CO2/year and sector-wide emissions of 30 million tons.