Sentence examples for bleaching of paper from inspiring English sources

The same property makes the compound useful in the de-inking of wastepaper and in the bleaching of paper pulp.

Dioxin is now also a major domestic concern, scientists having discovered that it is a by-product of many ordinary industrial processes, including smelting, the bleaching of paper pulp and solid waste incineration.

Recently, xylanases have attracted considerable attention due to its application in many industrial processes such as enzymatic bleaching of paper pulp, juice clarification, extraction of plant oils, texture improvement in bakery, bioconversion of agricultural waste, bioscouring in textiles and improvement of animal feed digestibility [3-5].

Xylanolytic bacteria are receiving increasing commercial interest in several industries such as enzyme-aided bleaching of paper (Encarna et al. 2004; Viikari et al. 1994), production of ethanol from plant biomass (Lamed et al. 1988), animal feed additives (Annison 1992) and in bread making (Maat et al. 1992).

PCDDs and PCDFs are unwanted by-products of the production of chlorinated phenols, metallurgic processes, bleaching of paper pulp and the incineration of waste [ 1- 3].

PCDD/Fs are also formed inadvertently as by-products of production of chlorophenols and chlorophenoxy herbicides, bleaching of paper pulp with chlorine, and the production and use of polychlorinated biphenyls (PCBs) [ 1, 2].

This is the first report on xylanase production by a wild type polyextremophilic B. halodurans in submerged fermentation and its application in pre-bleaching of paper pulps.

For example, xylanases can be applied in the bleaching of pulp and paper, increasing the digestibility of animal feeds, clarification of fruit juices and the bioconversion of plant bionass [ 5– 7].

Dioxins are by-products of industrial processes such as chlorine bleaching of pulp and paper, the manufacture of certain pesticides, and incineration of medical waste and plastics (Anderson and Fisher 2002; Hewitt et al. 2006; Lin et al. 2006; Thornton et al. 1996).

In addition to wastewater cleanup, Collins believes Fe-TAMLs can be used to reduce the environmental impact of paper bleaching and might make common detergents more efficient.

They are created in incineration, the manufacture of vinyl plastics, metal smelting and the bleaching of wood pulp for paper.