Activated sludge wastewater treatment produces waste sludge that needs treatment. Technologies that are typically applied there may be tr ansferable to application in FSM.
In the petroleum sector, the generation of oily sludge is an unavoidable byproduct, necessitating the development of efficient treatment strategies for both economic gain and the mitigation of negative environmental impacts. The intricate composition of oily sludge poses a formidable challenge, as existing treatment methodologies frequently fall …
This review paper explores solar energy-based technologies used for treating textile wastewater addressing important questions regarding the mechanism of different solar technologies employed in textile wastewater treatment, the …
Biomass management in terms of energy consumption optimization has become a recent challenge for developed countries.Nevertheless, the multiplicity of materials and operating parameters controlling energy consumption in wastewater treatment plants necessitates the need for sophisticated well-organized disciplines in order to minimize …
An integrated system for sewage sludge drying and electricity production is proposed. • The system is powered by biogas from sewage sludge digestion and solar energy. • Energy, environmental and economic analysis is carried out for a real case study. • …
Solar energy can provide a viable option for water treatment and has gained an emerging interest. Solar-powered wastewater treatment can vary from simpler …
Sludge production during primary treatment is dependent upon the used water characteristics and SS removal efficiency in the primary clarifier, which is a function of hydraulic retention time (Table 1) om Table 1 it can be seen that specific primary sludge production varies and in general is lower than that from secondary sludge production. …
DOI: 10.1016/j.nexus.2022.100091 Corpus ID: 249702127; Design of faecal sludge treatment plant (FSTP) and availability of its treatment technologies @article{Samal2022DesignOF, title={Design of faecal sludge treatment plant (FSTP) and availability of its treatment technologies}, author={Kundan Samal and Sanjib Moulick …
Anaerobic digestion (AD) is a sustainable technology that has been endorsed as a low-carbon technology complimenting both waste management and renewable energy sectors. The AD technology recovers the volatile matter from waste biomass as much as possible to produce biogas, thus reducing carbon emission as …
The waste hierarchy is widely used by industry, governments, educators and environmental groups as the basis for their waste policies and programs [6, 7] 2016, waste hierarchy was included in the 12th Sustainable Development Goals (SDG) of the 2030 Agenda for Sustainable Development adopted by the 193 United Nations countries …
The use of solar energy as a disintegration unit operation for waste activated sludge was tested in a pilot plant. The effect of the treatment process on chemical oxygen demand …
The results show good potential in using solar thermal energy for sludge drying as a complementary energy source. Due to the large emissions related to the intermediate sludge storage the most profitable alternative is to have multiple energy sources to be able to conduct continuous operation of the drying process.
This article provides technology options for the treatment of Faecal Sludge (FS) in developing countries to minimize exposure to FS and assesses its benefits along with possible revenue generation ...
The chapter presents a review on the application of solar energy in two broader domains of water treatment; (a) water desalination and (b) water disinfection. …
Solar energy [18, 19] and biomass fuel, as renewable energy sources, are increasingly integrated into multigeneration systems, offering a promising solution . Among various biomass sources, bio-waste, particularly sewage sludge exit wastewater treatment units, stands out as a valuable resource that does not compete with the food chain [ …
Following the efforts to reduce CO 2 emission against global warming as well as reduce the operating cost, further heat recovery strategies and solar energy applications should be investigated to be integrated with sludge treatment units.
Solar sludge drying plant (25,467 t/year) with energy recovery using sewage sludge as fuel granulate. …
This study evaluates the potential of using concentrated solar thermal energy in the process of sludge drying and was designed as a case study for a specific wastewater treatment plant in Härnösand in northern Sweden. The aim was to …
This article provides technology options for the treatment of Faecal Sludge (FS) in developing countries to minimise exposure to FS and assesses its benefits along with possible revenue generation from reuse. FS that is collected from septic tanks poses management challenges in urban areas of developing countries. Currently, FS is dumped …
This article provides technology options for the treatment of Faecal Sludge (FS) in developing countries to minimise exposure to FS and assesses its benefits along with possible revenue generation from reuse. FS that is collected from septic tanks poses management challenges in urban areas of developing countries. ...
Activated sludge treatment in a sequencing batch reactor (SBR), TiO 2 solar photocatalytic oxidation and different membrane technologies (MF, UF, NF and RO) are considered both as individual methods and in integrated processes with the ultimate goal of achieving an effluent suitable for discharge into the municipal sewage system.
Depending on the form and quality of sewage sludge, as shown in Fig. 3, there are several ways of dealing with this kind of waste, e.g., organic recycling, mineral recycling, recovery in composting plants, biogas plants and cement plants, or disposal using thermal methods in incineration plants and co-incineration plants.. Obviously, sewage …
Following the efforts to reduce CO 2 emission against global warming as well as reduce the operating cost, further heat recovery strategies and solar energy applications should be investigated to be integrated with sludge treatment units. In addition, flue gas emission control should be one of the most intensive considerations …
Sludge production during primary treatment is dependent upon the used water characteristics and SS removal efficiency in the primary clarifier, which is a function of hydraulic retention time (Table 1) om Table 1 it can be seen that specific primary sludge production varies and in general is lower than that from secondary sludge production.
This work reports the results obtained with an innovative configuration of a closed-static solar greenhouse for sludge drying. The novelty of the solar greenhouse …
In this work, a hybrid dryer for sewage sludge treatment is developed, where the desiccant current is produced through solar energy and a CHP system fuelled in part by the biogas coming from the anaerobic digestion of the sludge. A …
The issue of sustainable management of biosolids (excess sludge) from wastewater treatment is an important issue in the entire developed world. Residual sludge disposal costs and environmental impact may be significant, and reducing such costs, as well as the energy consumption for dewatering and drying, is a key issue for safe and sustainable …
In the petroleum sector, the generation of oily sludge is an unavoidable byproduct, necessitating the development of efficient treatment strategies for both economic gain and the mitigation of negative environmental impacts. The intricate composition of oily sludge poses a formidable challenge, as existing treatment methodologies frequently fall …
Solar drying of wastewater sludge: a review. Applying free solar energy may well be an alternative solution for reduction of the cost of the drying process. However, contrary to drying with constant conditions, the obtained drying kinetics during solar drying present some variations, as the operating conditions continuously change with time.
In recent years, increasing attention has been paid to the problem of sewage sludge management and the relevant energy consumption, which represent the main cost items in wastewater treatment plants. Therefore, implementation of technologies that can reduce sludge production and ensure a positive impact on the energy of the …
Solar energy can be applied in the WWTPs, including (1) the solar thermal to increase the reaction temperature and improve treatment efficiency, (2) the …
Wastewater treatment can consume a large amount of energy to meet discharge standards. However, wastewater also contains resources which could be recovered for secondary uses under proper treatment. Hence, the goal of this paper is to review the available green energy and biomass energy that can be utilized in …
Based on the natural air diffusion electrode (NADE) cathode, a solar-driven electrochemical integrated sewage treatment technology and equipment in a pilot scale was developed to treat dispersed rural wastewater. The non-aeration NADE had efficient and stable H 2 O 2 production performance, maintaining the H 2 O 2 output between 1474 and 1535 mg h-1 …
In this paper, a cost analysis study is undertaken for a commercial-scale hydrogen production and wastewater treatment plant, aiming to produce 1000 kg of hydrogen and treat 222 m 3 of wastewater per day. The present cost-analysis model considers the technological and economic implications of central and forecourt hydrogen …