The material used for bleaching paper pulp is
1 Chlorine
2 Caustic soda
3 Sodium hypochlorite
4 Lime
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Answer Posted / moses
India’s largest enzyme manufacturer has introduced, SEBrite
Bleach L, a new enzyme to the Indian and Global paper
industry. AETL is first in the world to develop this
CELLULASE FREE THERMOSTABLE ALKALINE CONDITION ACTIVE
XYLANASE enzyme that will reduce effluents in paper
industry by 50 % caused by the bleaching of paper. More
traditional chemical treatments are generally nonspecific,
not always easily controlled, and may create harsh
conditions. They often produce undesirable side effects or
waste disposal problems.
SEBRITE BLEACH L as a pre cursor to the bleaching process
cuts down the need for chemicals such as Chlorine, Peroxide
or Chlorine Dioxide. Hence the enzyme bleach is cost
effective, eco friendly and reduces the amount of chemicals
needed to bleach the pulp. This enzyme has a higher product
quality and less waste as well as reduced energy
consumption. The product also promises to improve the
whiteness of the paper.
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