recycling of sewage sludge as cement raw material in japan

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Recycling of sewage sludge as cement raw material in

2002-5-14  raw material of Portland cement. An amount of sewage sludge accepted by existing Portland cement plants has shown a rapid increase in the last few years as shown in Figure 1. At present, an amount of the sludge for the purpose is more than 20 % of the total in Japan in 2000. In this paper, the authors discuss the methods of supplying sewage ...

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Reuse of sewage sludge as raw material of Portland

A potential alternative of sewage sludge reuse is the substitute of raw material for Portland cement. This paper overviews Japanese implementation of this and discusses the best selection of ...

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Reuse of sewage sludge as raw material of Portland

2002-11-1  A potential alternative of sewage sludge reuse is the substitute of raw material for Portland cement. This paper overviews Japanese implementation of this and discusses the best selection of pretreatment for this purpose. The pretreatment includes dewatering, incineration, and lime treatment.

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Reuse of sewage sludge as raw material of Portland

DOI: 10.2166/WST.2002.0347 Corpus ID: 1619983. Reuse of sewage sludge as raw material of Portland cement in Japan. @article{Taruya2002ReuseOS, title={Reuse of sewage sludge as raw material of Portland cement in Japan.}, author={T. Taruya and N. Okuno and K. Kanaya}, journal={Water science and technology : a journal of the International Association on Water Pollution Research}, year={2002 ...

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Issues and Policy Measures for Phosphorus Recycling

2016-11-1  sludge. They use sewage sludge as a raw material for manufacturing cement. In recent years, the amount of wastes among raw materials for cement has been in-creasing. According to statistics from the Japan Cement Association, about half of the raw materials for cement are wastes and about 10% of the waste is sewage sludge (Japan Cement ...

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Efforts for effective use of sewerage resources in Japan

2020-12-13  The material use of sewage sludge has steadily increased, since the efforts on reduction of sludge volume became obligation by new Sewerage Law The rate of material use has reached about 77% in 2009. The rate for cement use is the largest in any use. 15

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Environmental assessment of sewage sludge as secondary

2011-6-1  Fig. 1 presents system boundaries for each scenario. Dry rotary kiln scenarios with 100% cement kiln dust recycling technology were considered in the study. Processes of infrastructure of each scenario, road transport of raw material to cement production site, direct emissions, sewage treatment, raw material and energy production, and electricity recovery from dry rotary kiln scenarios are ...

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The Evaluation of Sewage Sludge Incinerator Ash and ...

decrease of the sludge have been demanded. In order to decrease the sewage sludge, incinera-tion systems were adopted mainly as the treat-ment method of sewage sludge. In 2002, 74% (1.55 million DS-ton) of the quantity of sewage sludge were incinerated and 2.9 million cubic meters of

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CHAPTER 7: RECYCLING AND REUSE OF SEWAGE

2017-5-30  7.2 CASE STUDIES IN RECYCLING AND REUSE OF SEWAGE 7.2.1 Raw Sewage Treatment and Reuse as Cooling Water at M/S GMR Vasavi Power Plant, Chennai, India 7.2.1.1 The Pride of Place This plant is the first of its kind in Asia commissioned as early as 1999, where the raw sewage of

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Addition of large amount of municipal sewage sludge as

2017-10-7  Two addition modes were used to explore the maximum addition of municipal sewage sludge as a raw material in cement clinker production. The clinker and cement product quality were determined by chemical analysis, cement quality testing, characterization of the clinker crystalline phases, and leaching tests. Municipal sewage sludge addition in the raw mix could be up to 30% based on the cement ...

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Treatment and Recycling of Sludge|Treatment and

2020-8-11  We attach importance to the analysis of sludge samples before treatment to identify their components and conduct the most effective treatment such as dehydrating and drying and kneading *. As much waste as possible is recycled into raw materials for cement or supplemental fuel, thereby contributing to customers’ zero emissions objectives.

Get Price

Efforts for effective use of sewerage resources in Japan

2020-12-13  The material use of sewage sludge has steadily increased, since the efforts on reduction of sludge volume became obligation by new Sewerage Law The rate of material use has reached about 77% in 2009. The rate for cement use is the largest in any use. 15

Get Price

Study on the utilization of sludge by means of cement ...

2015-3-14  cement recycling skill was made confirmed. (Results) The application of the mechanism of cement recycling into the waste sludge, means that organic matter in the sludge can act as a raw material for cement as well as can supply heat energy required for the production of cement

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MAKING FUEL CHARCOAL FROM SEWAGE SLUDGE FOR

2017-3-14  Sewerage Bureau of Tokyo has promoted utilization of sewage sludge in order to contribute to realizing recycling-oriented society. In Tokyo, whole dewatered sludge is incinerated and ash is disposed of by ocean dumping or provided as raw materials to cement factory and so on.

Get Price

The Evaluation of Sewage Sludge Incinerator Ash and ...

decrease of the sludge have been demanded. In order to decrease the sewage sludge, incinera-tion systems were adopted mainly as the treat-ment method of sewage sludge. In 2002, 74% (1.55 million DS-ton) of the quantity of sewage sludge were incinerated and 2.9 million cubic meters of

Get Price

Environmental assessment of sewage sludge as secondary

A life cycle assessment was carried out to estimate the environmental impact of sewage sludge as secondary raw material in cement production. To confirm and add credibility to the study, uncertainty analysis was conducted. Results showed the impact generated from respiratory inorganics, terrestrial ecotoxicity, global warming, and non-renewable energy categories had an important contribution ...

Get Price

Addition of large amount of municipal sewage sludge as

2017-10-7  Two addition modes were used to explore the maximum addition of municipal sewage sludge as a raw material in cement clinker production. The clinker and cement product quality were determined by chemical analysis, cement quality testing, characterization of the clinker crystalline phases, and leaching tests. Municipal sewage sludge addition in the raw mix could be up to 30% based on the cement ...

Get Price

CHAPTER 7: RECYCLING AND REUSE OF SEWAGE

2017-5-30  7.2 CASE STUDIES IN RECYCLING AND REUSE OF SEWAGE 7.2.1 Raw Sewage Treatment and Reuse as Cooling Water at M/S GMR Vasavi Power Plant, Chennai, India 7.2.1.1 The Pride of Place This plant is the first of its kind in Asia commissioned as early as 1999, where the raw sewage of

Get Price

The complete thermochemical recycling of sewage sludge ...

2021-5-1  Objective . FlashPhos is a demand-driven industrial innovation action following a circular economy approach aiming to design, construct, test and optimise an industrial test facility at an average TRL of 6-7 to recover the CRM white phosphorus, a climate-friendly alternative cement and other valuable materials from sewage sludge and other problematic wastes.

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Recycling of calcium fluoride sludge as ceramic material ...

2013-5-10  Lin RS (2002) Feasibility study of calcium fluoride sludge of high technical industry as raw meal for cement. Master Dissertation, National Chiao Tung University (Taiwan) 22. Young JK, Qureshi TI (2006) Recycling of calcium fluoride sludge as additive in the solidification-stabilization of fly ash. J Environ Eng Sci 5:377–381

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Treatment and Recycling of Sludge|Treatment and

2020-8-11  We attach importance to the analysis of sludge samples before treatment to identify their components and conduct the most effective treatment such as dehydrating and drying and kneading *. As much waste as possible is recycled into raw materials for cement or supplemental fuel, thereby contributing to customers’ zero emissions objectives.

Get Price

Study on the utilization of sludge by means of cement ...

2015-3-14  cement recycling skill was made confirmed. (Results) The application of the mechanism of cement recycling into the waste sludge, means that organic matter in the sludge can act as a raw material for cement as well as can supply heat energy required for the production of cement

Get Price

MAKING FUEL CHARCOAL FROM SEWAGE SLUDGE FOR

2017-3-14  Sewerage Bureau of Tokyo has promoted utilization of sewage sludge in order to contribute to realizing recycling-oriented society. In Tokyo, whole dewatered sludge is incinerated and ash is disposed of by ocean dumping or provided as raw materials to cement factory and so on.

Get Price

Environment Recycling SUMITOMO OSAKA CEMENT

Environmental Topics. In July 2008, Sumitomo Osaka Cement Co., Ltd completed the construction of Shin Ichikawa Recycling Center in Ichikawa city, Chiba prefecture, and since then, it has been stably supplying the construction soil used as cement raw material to cement

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The complete thermochemical recycling of sewage sludge ...

2021-5-1  Objective . FlashPhos is a demand-driven industrial innovation action following a circular economy approach aiming to design, construct, test and optimise an industrial test facility at an average TRL of 6-7 to recover the CRM white phosphorus, a climate-friendly alternative cement and other valuable materials from sewage sludge and other problematic wastes.

Get Price

CHAPTER 7: RECYCLING AND REUSE OF SEWAGE

2017-5-30  7.2 CASE STUDIES IN RECYCLING AND REUSE OF SEWAGE 7.2.1 Raw Sewage Treatment and Reuse as Cooling Water at M/S GMR Vasavi Power Plant, Chennai, India 7.2.1.1 The Pride of Place This plant is the first of its kind in Asia commissioned as early as 1999, where the raw sewage of

Get Price

Environmental assessment of sewage sludge as secondary

A life cycle assessment was carried out to estimate the environmental impact of sewage sludge as secondary raw material in cement production. To confirm and add credibility to the study, uncertainty analysis was conducted. Results showed the impact generated from respiratory inorganics, terrestrial ecotoxicity, global warming, and non-renewable energy categories had an important contribution ...

Get Price

Use of Papermaking Sludge as New Material Journal of ...

2000-5-16  Recent efforts to actively recycle paper have caused the amount of papermaking sludge to increase steadily each year, with current estimates of over 3,000,000 tons discharged annually throughout Japan. The Nippon Telegraph and Telephone Corporation has achieved success in converting ash derived from incinerated papermaking sludge into a new ...

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Recycling of calcium fluoride sludge as ceramic material ...

2013-5-10  Lin RS (2002) Feasibility study of calcium fluoride sludge of high technical industry as raw meal for cement. Master Dissertation, National Chiao Tung University (Taiwan) 22. Young JK, Qureshi TI (2006) Recycling of calcium fluoride sludge as additive in the solidification-stabilization of fly ash. J Environ Eng Sci 5:377–381

Get Price

Determination of metal content in sewage sludge and

2018-11-13  applications sewage sludge ash as an addition to cement [10], a substitute for fine aggregates (e.g. sand) [11] or additive in fired bricks [12]. In the construction industry, it is also possible to use raw or pre-stabilized sewage sludge in some products and also may prove to be an alternative technique of utilizing both

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