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Most TCF pulp is produced in Sweden and Finland for sale in Germany, [31] all markets with a high level of environmental awareness. In 1999, TCF pulp represented 25% of the European market. [32] TCF bleaching, by removing chlorine from the process, reduces chlorinated organic compounds to background levels in pulp-mill effluent. [33]
The traditional ECF sequence is DEopDEpD [1]: 14 using the common letter symbols for bleaching stages, [2] though many improved sequences are available. [1]: 15 Totally chlorine free (TCF) is paper that does not use any chlorine compounds for wood pulp bleaching.
[38] Most TCF pulp is produced in Sweden and Finland for sale in Germany, [36] all markets with a high level of environmental awareness. In 1999, TCF pulp represented 25% of the European market. [39] TCF bleaching, by removing chlorine from the process, reduces chlorinated organic compounds to background levels in pulp mill effluent. [40]
It readily reacts with common wood pulp bleaching agents like ozone, peracetic acid, and chlorine dioxide. [ 2 ] [ 1 ] Consequently, research has focused on ways to break down hexenuronic acid prior to bleaching to decrease dangerous waste products and costs.
Bleached Chemi-ThermoMechanical Pulp (BCTMP) is a pulp product used by the paper industry as a less-expensive alternative for Northern Bleached Softwood Kraft (NBSK).. BCTMP was first produced by Millar Western in 1988 in its Whitecourt Mill, and was initially used in lower grade paper applications. [1]
Chlorine bleaching may refer to chlorine-based bleaching in the pulp and paper industry: Chlorine and hypochlorite bleaching of wood pulp; household cleaning: ...
A sample of fuller's earth in its raw state from Pakistan. Fuller's earth is a term for various clays used as an absorbent, filter, or bleaching agent. Products labeled fuller's earth typically consist of palygorskite (also known as attapulgite) or bentonite. [1]
TCF, short for Twentieth Century Fox TCF Hungary Film Rights Exploitation Limited Liability Company or TCF Hungary Film Rights Exploitation Ltd. is a licensee of films in Brazil, Italy, Japan, Korea and Spain