Constructive sludge management ‐ reutilization of municipal sewage sludge in Portland cement mortars

1994 ◽  
Vol 15 (9) ◽  
pp. 833-841 ◽  
Author(s):  
Vedat Pinarli ◽  
N. Kenan Emre
Keyword(s):  
Sewage Sludge ◽  
Portland Cement ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Sludge Management ◽  
Cement Mortars

scholarly journals Sewage Sludge-To-Energy Management In Eastern Europe: A Polish Perspective

2015 ◽  
Vol 22 (3) ◽  
pp. 459-469 ◽  
Author(s):  
Sebastian Werle
Keyword(s):  
Sewage Sludge ◽  
Organic Contaminants ◽  
Management Practices ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Sludge Management ◽  
Thermal Methods ◽  
Member States ◽  
Eu Directive ◽  
New Eu Members

Abstract The Sewage Sludge Directive 86/278/EEC was adopted about 30 years ago with a view to encourage sewage sludge reuse in agriculture and to regulate its use. Meanwhile, some EU Member States have adopted stricter standards and management practices than those specified in the Directive. In particular, the majority of Member States has introduced more stringent standards for sludge quality, including stricter limits for most potentially toxic elements, organic contaminants and other elements. In general, untreated sludge is no longer applied and in several Member States it is prohibited. In some cases, stringent standards have resulted in an effective ban on use of sludge in agriculture. Moreover, the implementation of the Urban Wastewater Treatment Directive 91/271/EC should increase EU production of sewage sludge, thus enhancing problems related to sustainable sewage sludge management. Additionally, European legislation prohibits the landfill and water deposits of sewage sludge. The latest trends in the field of sludge management, ie combustion, pyrolysis, gasification and co-combustion, have generated significant scientific interest. This trend is specially strong visible in “new” EU Members countries which have to introduce strong EU Directive in their low system. Here the review the state of knowledge and technology in thermal methods for the utilization of municipal sewage sludge to obtain useful forms of energy such as pyrolysis, gasification, combustion, and co-combustion taking into consideration Poland situation is presented.

scholarly journals Sustainable management of sewage sludge

2018 ◽  
Vol 49 ◽  
pp. 00120 ◽  
Author(s):  
Tymoteusz Turlej ◽  
Marian Banaś
Keyword(s):  
Sewage Sludge ◽  
Negative Impact ◽  
Thermal Transformation ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Sludge Management ◽  
Current State ◽  
Sewage Sludge Management ◽  
Legal Policies ◽  
Selection Of

The structure of municipal sewage sludge management in Poland, along with the change in legal regulations, has changed radically. The management of sewage sludge is of key importance for environmental pollution and limiting the negative impact on human health. This article presents current legal policies in Poland, methods of commonly used sewage sludge management in European countries, discusses the selection of an appropriate method for the disposal of municipal sewage sludge and an analysis of the current state of sewage sludge management in Poland. In addition, the difficulties associated with the adaptation of sewage sludge management for the requirements of sustainable development are discussed. The article contains foundations, challenges and concerns related to the thermal transformation of municipal sediments. Also forecast and directions of activities in sewage sludge management in Poland are presented.

scholarly journals Sustainable cement mortars

2018 ◽  
Vol 49 ◽  
pp. 00090 ◽  
Author(s):  
Teresa Rucińska
Keyword(s):  
Sewage Sludge ◽  
Building Materials ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Practical Applications ◽  
Technical Parameters ◽  
Fine Grained ◽  
Physicomechanical Characteristics ◽  
Natural Aggregate ◽  
Cement Mortars

The results described here on the basic technical parameters of cement mortars made from fine-grained concrete recyclate, ceramic recyclate, and slag, obtained from the incineration of municipal sewage sludge, demonstrate their usefulness in the production of building materials. Changes were introduced to the composition of cement mortars involving the replacement of natural aggregate with recyclate of the same fraction in the following volumes: 10%, 20% and 30%. The physicomechanical characteristics constitute the basis for further research which will help determine their practical applications.

scholarly journals Directions and Challenges in the Management of Municipal Sewage Sludge in Poland in the Context of the Circular Economy

2020 ◽  
Vol 12 (9) ◽  
pp. 3686 ◽  
Author(s):  
Ksymena Rosiek
Keyword(s):  
European Union ◽  
Wastewater Treatment ◽  
Sewage Sludge ◽  
Circular Economy ◽  
Tap Water ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Sludge Management ◽  
Sludge Disposal ◽  
Sewage Sludge Management

Landfilling was the main method of sewage sludge disposal in Poland for decades. After Poland’s accession to the European Union (EU), many investments have been made into providing better access to tap water as well as to collect and treat municipal sewage. However, sewage sludge treatment has not been treated as an integral part of the implementation of wastewater management obligations. Stricter European Union regulations regarding the management of municipal sewage sludge (MSS) pose new challenges for Poland. The aim of this study was to analyze changes in the direction of the final management of municipal sewage sludge in Poland based on the analysis of strategic documents, regulations, literature, and available statistical data. The aim of the analysis was to search for directions to modify how sewage sludge is managed, given the approach promoted by the circular economy concept. The results prove that investments in wastewater treatment plants according to the EU sewage directive are not applied to the development of infrastructure that would enable the disposal of sewage sludge, which, for many years, has been stored (landfilling) or used directly in agriculture and ground reclamation. The introduction of stricter regulations in the area of sewage sludge usage and better wastewater treatment have increased the level of difficulties concerning sewage sludge management. Poland faces the challenge of defining sewage sludge management directions. The circular economy concept offers an approach that can be the basis for the creation of a new sewage sludge management strategy for Poland. The concept allows the combined goals of sewage sludge disposal and of energy and nutrients recovery to be achieved.

scholarly journals The Influence of Incinerated Sewage Sludge as an Aggregate on the Selected Properties of Cement Mortars

Materials ◽  
2021 ◽  
Vol 14 (19) ◽  
pp. 5846
Author(s):  
Teresa Rucińska ◽  
Anna Głowacka ◽  
Robert Sidełko
Keyword(s):  
Sewage Sludge ◽  
Building Materials ◽  
Raw Materials ◽  
Experimental Studies ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Natural Sand ◽  
Fine Grained ◽  
Cement Mortars ◽  
Natural Aggregates

In line with the trend of using waste raw materials in the technology of building materials, experimental studies of cement mortars containing various amounts of fine-grained waste aggregate were carried out. The waste aggregate was based on an incinerated municipal sewage sludge which was mechanically crushed to an appropriate grading. Chemical and physical properties of the waste aggregate are presented. Mortars with varying amounts of waste aggregate as a replacement for natural sand were prepared. Study determines compressive strength and flexural strength up to 56 days. Properties such as capillary action, air content and thermal conductivity were determined. The results of the tests has shown that the incinerated waste sludge can be used as a partial or total replacement for natural aggregate. In mortars with waste aggregate, a favorable relation between flexural and compressive strengths was observed, which translates into increased strength of the interfacial transition zone. A significant increase in water absorption was observed for mortars containing high amounts of waste aggregate, which is directly related to its porous structure. Conducted studied prove that the aggregate obtained from incineration of the municipal sewage sludge can a feasible alternative for natural aggregates in production of masonry and rendering mortars for construction purposes.

scholarly journals Municipal Sewage Sludge Drying Treatment by an Composite Modifier

2012 ◽  
Vol 2012 ◽  
pp. 1-10 ◽  
Author(s):  
Na Wei
Keyword(s):  
Sewage Sludge ◽  
Moisture Content ◽  
Portland Cement ◽  
Uniform Design ◽  
Cement Clinker ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Curing Time ◽  
Material Content ◽  
Sludge Drying

A sludge composite modifier (SCM) which comprises a mixture of three cementitious components was proposed for sludge drying and stabilization. Effect of SCM components on sludge moisture content was analyzed using uniform design and the optimum composition of SCM was determined by computer-aided modeling and optimization. To compare the drying effect of SCM, quicklime, and Portland cement, the effects of material content and curing time on moisture content of sludge were also studied. The results showed that the optimum ratio of modifier component was slag/cement clinker/dihydrate gypsum = 0.64/0.292/0.068 and the moisture content of SCM-stabilized sludge decreased with the increasing material content and extending curing time. Besides, the experimental results showed that optimized SCM behaved better than quicklime and Portland cement in sludge semi-drying and XRD analysis revealed that the main hydrated product of stabilization was ettringite, which played an important role in the effective drying process. Sewage sludge stabilized using SCM could be used as an effective landfill cover.

Environmental and economic assessment of municipal sewage sludge management – a case study in Beijing, China

2013 ◽  
Vol 67 (7) ◽  
pp. 1465-1473 ◽  
Author(s):  
Xinyi Li ◽  
Masaki Takaoka ◽  
Fenfen Zhu ◽  
Jiawei Wang ◽  
Kazuyuki Oshita ◽  
...  
Keyword(s):  
Energy Consumption ◽  
Sewage Sludge ◽  
Power Plants ◽  
Ghg Emissions ◽  
The Other ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Sludge Management ◽  
Cement Manufacture

A case study was conducted in Beijing to identify municipal sewage sludge (SS) management systems appropriate for a sound material-cycle society. The environmental and economic impacts of four realistic SS-handling scenarios were investigated: stabilization by thermal drying, increased inclusion of SS in cement manufacture, and using either dried or carbonized SS as substitute fuel for coal-fired power generation plants. The results showed that the current sludge management system had the lowest operating cost but higher greenhouse gas (GHG) emissions and a low recycling rate. The case with the use of carbonized SS reused in coal-fired power plants had higher energy consumption and almost the same GHG emissions as the current system. On the other hand, the case including more SS in cement manufacture had the same level of energy consumption with much lower GHG emissions. The case with the use of dried SS in coal-fired power plants also resulted in lower energy consumption and lower GHG emissions than at present. Furthermore, sensitivity analysis showed that drying SS with surplus heat from cement plants used less energy and emitted less GHG compared to the other two drying methods.

A long-term chemical and infrared spectroscopy study on a soil amended with municipal sewage sludge

Agronomie ◽  
2001 ◽  
Vol 21 (2) ◽  
pp. 169-178 ◽  
Author(s):  
Giovanni Gigliotti ◽  
Pier Lodovico Giusquiani ◽  
Daniela Businelli
Keyword(s):  
Infrared Spectroscopy ◽  
Sewage Sludge ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Spectroscopy Study
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