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Unit process data for lignin extraction in a softwood kraft pulp mill

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posted on 2024-02-08, 20:39 authored by Charles Grant Culbertson, Richard Venditti

This unit process represents the gate-to-gate production of 1 air-dried metric tonne of kraft lignin, coproduced with southern bleached softwood kraft pulp (SBSK), high voltage electricity and unrefined tall oil soap. The pulp is derived from pine or loblolly pine in a kraft pulping process at a mill in the southern United States (U.S.). Lignin is extracted via precipitation and acid washing. All flows are production weighted to kraft lignin. The SBSK pulp production technologies are an aggregation of those applied in the southern U.S. in 2013.


Resources in this dataset:

  • Resource Title: kraft lignin extraction; from southern bleached softwood kraft, elemental chlorine free (ECF) bleached process; at mill.

    File Name: kraft lignin extraction; from southern bleached softwood kraft, elemental chlorine free (ECF) bleached process; at mill.zip

    Resource Description: Lignin is extracted via precipitation and acid washing. All flows are production weighted to kraft lignin. The Southern Bleached Softwood Kraft (SBSK) pulp production technologies are an aggregation of those applied in the southern U.S. in 2013. This file also includes a unit process for SBSK pulp production.

    Resource Software Recommended: openLCA ,url: http://www.openlca.org/

Funding

USDA-NIFA: 2011-10006-30377

History

Data contact name

Venditti, Richard

Data contact email

richard_venditti@ncsu.edu

Publisher

Ag Data Commons

Intended use

These data were developed for use in "Accounting" and "Micro-level decision support", situations C2 and A, as described in European Commission - Joint Research Centre - Institute for Environment and Sustainability (2010).

Use limitations

An actual, thorough physical accounting of all material flows for the kraft pulping process was not performed. Therefore, the intended application for this life cycle inventory is limited to academic study, product development and/or project planning. These data are not appropriate for official environmental claims or reporting.

Temporal Extent Start Date

2013-01-01

Temporal Extent End Date

2015-12-31

Frequency

  • irregular

Theme

  • Not specified

Geographic location - description

Southeastern United States

ISO Topic Category

  • economy
  • environment

Ag Data Commons Group

  • Life Cycle Assessment

National Agricultural Library Thesaurus terms

gate-to-gate; LCA; LCI; life cycle assessment; life cycle inventory; unit process

Pending citation

  • No

Public Access Level

  • Public

Preferred dataset citation

Culbertson and Venditti (2016), Unit process data for lignin extraction in a softwood kraft pulp mill, USDA LCA Commons, version 1, 11/2017

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