Trends in Pollution Control in the Swedish Pulp and Paper Industry

Lagergren, S.; Nyström, Elsa

doi:10.2166/wst.1991.0457

Cited by 7 publications

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“…The adsorption kinetic data of phosphate are analyzed using the Lagergren rate equation. The first-order Lagergren model [33] and the rate expression is given by:…”

Section: Adsorption Kineticsmentioning

confidence: 99%

Optimization of the process parameters for the removal of phosphate from drinking water by electrocoagulation

Vasudevan

Lakshmi

Sozhan

2009

Desalination and Water Treatment

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ab s t r ac tThe present studies provide the purification of drinking water containing phosphate by electrocoagulation process using zinc as the anode and stainless steel as the cathode. The experimental parameters like electrolyte pH, temperature and current density, and so forth, on the removal efficiency of phosphate were carried out. The adsorption capacity was evaluated using both Langmuir and Freundlich isotherm models. The kinetic studies show that the adsorption obeys second-order kinetics. The maximum removal efficiency of 98.8% was achieved at a current density of 0.05 A/dm 2 , at a pH of 7.0. Thermodynamic parameters were evaluated. Overall adsorption process was endothermic and spontaneous. The adsorption of phosphate preferably fitting the Langmuir adsorption isotherm suggests monolayer coverage of adsorbed molecules.

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“…The adsorption kinetic data of phosphate are analyzed using the Lagergren rate equation. The first-order Lagergren model [33] and the rate expression is given by:…”

Section: Adsorption Kineticsmentioning

confidence: 99%

Optimization of the process parameters for the removal of phosphate from drinking water by electrocoagulation

Vasudevan

Lakshmi

Sozhan

2009

Desalination and Water Treatment

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show abstract

“…Around 1990, ECF was considered being BAT (see Ref. [33]). There are no national discharge standards in force and Swedish regulators do not demand the implementation of expensive end-of-pipe treatment of effluents.…”

Section: Reinforcement and Delay Through Environmental Regulation Bodmentioning

confidence: 99%

The technological transition to chlorine free pulp bleaching technologies: lessons for transition policies

Reinstaller

2008

Journal of Cleaner Production

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“…In the long term, chlorinated discharges were to be eliminated. TOCl=AOX limits were gradually incorporated in remaining permits from 1988 onward (Lagergren and Nystro¨m 1991).…”

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confidence: 99%

Paper Production Technology and Environmental Performance in Sweden and Finland: Policy, Science, and Market Share

Rajotte

2003

Society & Natural Resources

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Trends in Pollution Control in the Swedish Pulp and Paper Industry

Abstract: Current production figures, control measures and discharges from the Swedish pulp and paper industry are described together with future trends and possibilities. The emphasis is on discharges of chlorinated organic substances and internal methods to control such discharges.

Cited by 7 publications

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Optimization of the process parameters for the removal of phosphate from drinking water by electrocoagulation

Optimization of the process parameters for the removal of phosphate from drinking water by electrocoagulation

The technological transition to chlorine free pulp bleaching technologies: lessons for transition policies

Paper Production Technology and Environmental Performance in Sweden and Finland: Policy, Science, and Market Share

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