Anaerobic digestion in the kraft pulp and paper industry. The up flow anaerobic sludge blanket uasb reactor introduced by 4 has become a popular highrate anaerobic treatment system throughout the world 5. Funding for this guidebook was provided by focus on energy. Because of the differences of chemical pulping methods, fiber raw materials and paper industry production scales, the chemical paper pulping equipment is different. It covers a comprehensive range of topics, including the basic. Modeling and control of ph in pulp and paper wastewater. Implementation of pulp and paper sludge in anaerobic wetdigester. Over 200 installations are treating a large variety of different pulp and paper mill effluents. Hence, pulp and paper mill waste water needs detailed study. Anaerobic degradation of adsorbable organic halides aox from pulp and paper industry wastewater.
In this sense, the adoption of anaerobic digestion in the pulp and paper industry is rather promising. Wastewater production in the pulp and paper processes wood preparation, pulp washing, pulp bleaching and paper making processes as well as the digester house are the major wastewater producers in the pulp and paper industry. It covers a comprehensive range of topics, including the basic reasons for anaerobic treatment, comparison between anaerobic and aerobic treatment, effluent types suitable for anaerobic treatment, design considerations for anaerobic treatment, anaerobic reactor configurations applied for treatment of pulp and paper industry effluents, present status of anaerobic treatment in pulp and paper industry, economic aspects, examples of full scale installations and future trends. Waste water treatment technologies and practices in indian. Treatment of pulp and paper industry wastewater by using microalgae find, read and cite all the research you need on researchgate.
Anaerobic technology in pulp and paper industry springerlink. Pretreatment of pulp mill wastewater treatment residues to improve their anaerobic digestion by nicholas wood masters of applied science department of chemical engineering and applied chemistry university of toronto, 2008 anaerobic digestion of excess biological wastewater treatment sludge was from pulp. The anaerobic process has been successfully applied in the treatment of nontoxic and easily biodegradable waste waters from pulp and paper plants, such as the effluents from mechanical pulping, from paper recycling and from evaporation condensates. Water is needed to make paper pulp out of fibers such as cellulose, wood or recovered paper.
Thus, the combination of highrate wastewater treatment and ad of was is a promising option for the pulp and paper industry. Effluents from pulp and paper mills contain solids and dissolved matter. It covers a comprehensive range of topics, including the basic reasons fo. A column type sbr 10cm dia and 70 cm height with a working volume of 5. The manufacturers of commercial reactors for waste water treatment and commercial installations are also presented. At a minimum, the waste liquors from traditional pulp and paper manufacturing processes can be converted to valuable products by using anaerobic digestion.
The present status of anaerobic treatment of pulp and paper industry effluents is presented in this chapter. Anaerobic digestion is a technology useful to treat high water content organic wastes, such as biosludge and kitchen waste. Environmental protection agency research triangle park, north carolina 27711 october 2010. The methane production potential of sludge samples ranged from 100 to 200 nml ch 4 g. Waste water treatment solutions in pulp and paper industry. Pulp and paper energy best practice guidebook provided by. Since the final products of the anaerobic digestion are further processed to thermal and electrical energy biogas and soil conditioners anaerobic sludge, a comprehensive assessment of the. Pdf anaerobic treatment of pulp and paper mill effluents. Anaerobic digestion of microalgae and pulp and paper biosludge thesis for the degree of doctor of philosophy to be presented with due permission for public examination and criticism in festia building, auditorium pieni sali 1, at tampere university of technology, on the 25th of november 2016, at 12 noon. The pulp and paper industry is facing increasing economic and environmental constraints due to globalized competition and more stringent environmental legislations. It is likelythat anaerobic digestion of biological sludge from the pulp andpaper industrycan. Paper and pulp manufacture wastewater treatment ecologix.
Anaerobic treatment of activated sludge from swedish pulp and. The anaerobicaerobic system 20022004 provided steady operation performance, while the ast system without anaerobic pretreatment 19972001 produced effluent characterized by oscillatory values. But in case of pulp and paper mill waste water, it is not used as widely as the activated sludge process 9. The study was performed at paper mills in hedera, israel. The anaerobic treatment system include certain pretreatments precipitation and oxidative pretreatments. Anaerobic treatment of pulp and paper industry effluents. The wastewater is polluted with remainder of raw material, chemicals and process products. Anaerobic treatment systems are viable technologies for wastewater pollution control in the pulp and paper industry and can be used as an essential part of an integrated treatment resource preservation system. Anaerobic digestion of alkaline bleaching wastewater from a.
According to the operation process, chemical paper pulp cooking equipment can be divided into the batch cooking production line and the continuous. Evaluation of anaerobic digestion after pretreatment of. The goals of this program are to encourage energy efficiency, use of renewable. The volume of wastewater produced in each process is closely related to the quantity of generated pulp in that. The paper also provides a summary of the new findings related to the treatment of wastewater from pulp and paper industry, which may serve as a basis for further research in the field. In the pulp and paper industry a lot of effort is used to water saving and closing water circuits, and to reduce substantially the environmental impact, by process modeling and kidney technologies as internal process water treatment. Implementation of anaerobic wastewater treatment and biogas production as a part of the conventional wastewater treatment at a mill would reduce its energy usage, sludge production and nutrient consumption. Several hundreds of installations are treating a large variety of different pulp and paper mill effluents. Anaerobic technology in pulp and paper industry pratima. Anaerobic digestion of microalgae and pulp and paper biosludge. Treatment of wastewater from paper and pulp industry. Condorchem envitech offers comprehensive industrial wastewater and industrial air emissions treatment solutions. Effect of temperature on anaerobic digestion of pulp and paper industry wastewater sludges j. Aug, 2015 treatment of wastewater from paper and pulp industry considering two strategies.
Amongst various anaerobic systems the uasb and ic are the most applied anaerobic reactor systems. Biothane has been awarded the contract for the anaerobic biobed egsb technology whicvh curently has become standard for pulp and paper industry worldwide. Anaerobic digestionof biological sludge from the pulp and paper industrycanbe performed. The paper also provides a summary of the new findings related to the treatment of wastewater from pulp and paper industry, which may serve as a basis for further research in. The anaerobic treatment of mill wastewater is widely accepted however, usually only applied to few selected streams. Pulp and paper mills generate large amounts of waste organic matter that may be converted to renewable energy in form of methane. This book presents a stateoftheart report on the treatment of pulp and paper industry effluents using anaerobic technology. For many years, the majority of pulp and paper mills have used the process of clarification a common primary treatment method to reduce and remove total suspended solids tss and other inevitable particulate matter such as bark, dirt and wood fibers generated from the paper making process. Later also pulp mill related effluents such as bctmp, nssc and chemical pulp condensates were successfully treated in anaerobic reactors. Since the early 1980s, anaerobic treatment of industrial effluents has found widespread application in the pulp and paper industry. Anaerobic technology an overview sciencedirect topics.
The mill has applied andritzs apmp process to produce pulp with a capacity of 300 admtday from aspen wood. Anaerobic treatment of activated sludge from swedish pulp and paper mills biogas production potential and limitations the methane potential of activated sludge from six swedish pulp and paper mills was evaluated. Technology, communication and transport degree programme degree programme in energy technology author pasi hynninen title of thesis implementation of pulp and paper sludge in anaerobic wetdigester pilot scale mobile biogas plant technology date 8. It covers a comprehensive range of topics, including the basic reasons for anaerobic treatment, comparison between anaerobic and aerobic treatment, effluent types suitable. Pdf aerobic and anaerobic treatment of paper industry. Anaerobic digestion of biological sludge from the pulp and. Available and emerging technologies for reducing greenhouse gas emissions from the pulp and paper manufacturing industry prepared by the sector policies and programs division office of air quality planning and standards u. Anaerobic digestion for use in the pulp and paper industry. The experiment was conducted in lab scale sbr reactor.
Pdf treatment of pulp and paper industry wastewater by. Keywords activated sludge, sludge age, anaerobic digestion, biochemical methane potential, cstr, pulp and paper national category bioprocess technology. Anaerobic degradation of adsorbable organic halides aox. Focus on energy is a publicprivate partnership offering energy information and services to energy utility customers throughout wisconsin.
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