Waste Heat Recovery From Cement Production For Faecal …

2021-12-13 · A 2575 ratio of microalgaefaecal sludge showed the highest biocrude yield of 38 with 33.84 mjkg hhv. a lighter hydrocarbon fraction of 43 kerosene 15 and diesel 28 was achieved for 75 faecal sludge replacement. faecal sludge was a lowcost substitution of microalgal biomass for highquality biocrude production.

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Faecal Sludge Treatment and Circular Economy: A Case …

2020-3-14 · From the sanitation circular economy, management of faecal sludge should benefit the environment by generation of less waste, promote innovation and develop markets for reuse of the by-products. The chemical characteristics of faecal sludge show high nitrogen, phosphorus, carbon, moisture as well as high gross calorific value. The paper ...

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Waste heat recovery

2016-10-25 · A key component in waste heat recovery is the heat exchanger. The profitability of an investment in waste heat recovery depends heavily on the efficiency of heat exchangers and their associated life cycle costs (purchase, maintenance, etc). Different designs All these factors vary considerably between different heat exchanger technologies.

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Waste heat recovery from cement production for faecal …

This project report informs on waste heat recovery for faecal sludge drying, giving the example of a cement production factory. The conclusion is, that the combination of the two waste sources, faecal sludge and waste heat, can create a financially attractive …

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Improved and promising fecal sludge sanitizing methods: …

Sustainable Development Goal number six of the United Nations aims to achieve universal access to ''safely managed'' sanitation by 2030. Safely managed sanitation is described as the use of improved facilities with safe disposal in situ or offsite transportation and treatment (Borja-Vega et al. 2019).Fecal sludge (FS) refers to raw, slurry, or partially digested excreta with or without …

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Resource Recovery from Faecal Sludge

Faecal Sludge Management (FSM) is an evolving field with, continual development and improvement happening in research methodologies – including those in resource recovery from the sludge. This resource recovery can take many forms: as fuel, soil amendment, building material, protein, animal fodder, and water for irrigation.

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Industrial waste heat and waste heat recovery systems

2022-7-30 · Heat exchanger used in the hot water supply system; Thermal cooler used in the cold supply system; Rankine Cycle for the production of electricity. Heat exchanger used in a hot water supply system The figure below shows the heat supply system using a central heat exchanger (H-Ex). Exhaust gases enter the heat exchanger at T e,g and exit at T s,g.

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8. WASTE HEAT RECOVERY

2017-9-8 · 8.3 Benefits of Waste Heat Recovery Benefits of ''waste heat recovery'' can be broadly classified in two categories: Direct Benefits: Recovery of waste heat has a direct effect on the efficiency of the process. This is reflected by reduction in the utility consumption & costs, and process cost. Indirect Benefits:

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COMPARATIVE STUDY OF FAECAL SLUDGE TREATMENT …

2020-2-6 · dumping at FSTP site. After screening of kitchen waste, it is dumping with semi dry sludge and other materials for co-composting in a box. Ratio of compost production materials is 40% faecal sludge, 55% kitchen waste and 5% saw-dust of each dumping box. It was needed to take 40-45 days for

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Resource Recovery from Faecal Sludge using …

2011-9-15 · Resource recovery from faecal sludge using constructed wetlands WASTE, February 1999 9 SUMMARY A large part of the urban population in low-income countries is not served with proper sanitation. Although the public health aspects are of great importance, the options for the recovery of the resources in faecal sludge should not be overlooked.

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Guidelines and regulations for fecal sludge management …

2019-8-20 · About the Resource Recovery & Reuse Series Resource Recovery and Reuse (RRR) is a subprogram of theCGIAR Research Program on Water, Land and Ecosystems (WLE)dedicated to applied research on the safe recovery of water, nutrients and energy from domestic and agro-industrial waste streams.

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ORC systems for Waste Heat Recovery

Waste Heat Recovery. Turboden ORC units can produce electricity by recovering heat from industrial processes and in combined cycles with reciprocating engines and gas turbines. The power of Turboden turbo generators in this application generally ranges …

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A value proposition: Resource recovery from faecal …

2014-7-1 · 1. Introduction. In urban areas of Sub-Saharan Africa, 80% of existing sanitation access is met by onsite technologies, and the sludge that accumulates in these systems is referred to as "faecal sludge" (Koné, 2010).However, despite improvements in worldwide access to sanitation over the last decade, 70% of the population in Sub-Saharan Africa still lacks …

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Assessment of Energy Recovery Potential of Faecal Sludge

2020-5-2 · of pyrolysis analysis shows significant potential for energy recovery from FS. Keywords: Faecal Sludge, Pyrolysis, Bio-char, Bio-oil, Bio-gas, TGA 1. Introduction 1.1. General Faecal sludge (FS) comes from onsite sanitation technologies, and usually has not been transported through a sewer in Bangladesh. It is raw or partially digested, a slurry

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Heat Recovery from Wastewater Treatment

2017-12-1 · Heat Recovery from Wastewater Treatment - The Best Practices. For heat recovery to be cost effective, it is essential for processes to be well coordinated and the cooling water discharge temperature needed for the …

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Faecal Sludge Treatment Technologies in India

2020-11-23 · of Faecal waste – septage and sludge. It also presented resource recovery and reuse options as a necessary objective for the sustainable management of excreta. The compendium is a collation of the information on the different Faecal sludge treatment technological options available in India and assessment of their

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Estimation of waste heat and its recovery potential from …

2020-8-30 · Abstract The recovery and reuse of waste heat offers a significant opportunity for any country to reduce its overall primary energy usage. Reuse of waste heat improves the ambient air quality by reducing both industrial pollution and greenhouse gas emissions from industries. This paper presents an estimation of thermal waste heat potential in five energy-intensive industrial …

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Recovery of Industrial Waste Heat for Faecal Sludge Drying

2016-5-27 · of faecal sludge (DM 0.4 %) is collected daily. If the faecal sludge is dewatered on filter beds to 80 % solids content, the waste heat could be harnessed to achieve a 90 % dry solids content, resulting in 26.7 tons of dried faecal sludge. The flue gas heat recovery technology has already been successfully implemented in dry-

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SEEK (Sludge to Energy Enterprises in Kampala): Co …

2017-9-28 · Resource Recovery Pellets from faecal sludge and organic waste did not perform well in the gasifier due to clinker formation as a result of high ash content (Tukahirwa et al., 2016). Pellets are an ideal fuel for gasification based on their homogeneous size and high energy density. More robust gasifiers exist for electricity production from high-

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Co-Composting of Municipal Solid Waste and Faecal …

2020-12-18 · • In order to demonstrate a faecal sludge collection and treatment model with emphasis on resource recovery and recycling as stipulated in the National Sanitation Strategy of the government, in November 2012, a pilot project was initiated in Kushtia a secondary town in Bangladesh to treat the faecal sludge and solid waste together.

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Safe resource recovery from faecal sludge: evidence from …

2020-5-12 · This study reports on the design and evaluation of a novel treatment system; dewatering of faecal sludge in solar drying beds, followed by capturing of faecal sludge leachate and leachate heat sterilisation using a rocket stove fired with agricultural waste. Faecal sludge was manually extracted from 25 pit-latrines in rural Tanzania and ...

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Heat Recovery from Sludge | SSWM

Wastewater treatment processes produce sewage sludge,which has to be discharged after an appropriate treatment. Nowadays, there are several new technologies in use or in development. The main aims of these methods are recovery and reuse of either the nutrients or the energy at acceptable costs. Besides the production of biogas in anaerobic ...

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waste heat recovery cement

Diener, S., Reiser, J.C., éguéré, M., Strande, L., 2012, Waste heat recovery from cement production for faecal sludge drying, Eawag: Swiss Federal Institute of

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Waste heat recovery from cement production for faecal …

The objective of this study was to assess the technical and economic feasibility of using waste heat from a cement factory in Rufisque, Senegal, to enhance the dryness of faecal sludge. Two sources of waste heat are generally available in a clinker production line: i) recovery of hot gases and ii) radiant heat loss from the kiln''s surface.

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Waste heat recovery from cement production for faecal …

2016-7-8 · Waste heat recovery for sludge drying │ 5 . Figure 3: Overview of the clinker production process. Waste heat recovery technologies Generally, there are two sources of waste heat available in a clinker production line: i) waste heat recovery from hot gases and ii) radiant heat loss from the kiln surface. One of the most effective and

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Co-composting of Municipal Solid Waste and Faecal …

2015-11-20 · • Faecal Sludge is a rich source of nutrients such as nitrogen, phosphorus and potassium. In human excreta, most of the organic matter is contained in faeces, while most of the nitrogen (70-80%) and potassium are contained in urine. • Before using faecal sludge as a fertilizer, it must be made safe. Co -composting is the controlled aerobic

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FaME Waste Heat Recovery

2015-10-25 · Waste heat recovery from cement production for faecal sludge drying 2012 This report was compiled in the framework of the SPLASH Sanitation Programme which is …

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Frontiers | Generation and Management of Faecal Sludge …

2022-4-25 · At the current rate of progress, there will probably still be 2.8 billion people world-wide without safely managed sanitation by 2030. To incentivise and increase implementation of sustainable faecal sludge management (FSM), especially in low and middle-income countries like Cambodia, human waste must be regarded as a resource. However, planning data, e.g. on the …

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Waste Heat Recovery

2010-1-12 · RD&D to advance waste heat recovery technologies. Technology needs are identified in two broad areas: 1) extending the range of existing technologies to enhance their economic feasibility and recovery efficiency, and 2) exploring new methods for waste heat recovery, especially for unconventional waste heat sources. Acknowledgement

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Waste heat recovery from cement production for faecal …

Table 1: Maximum hourly amount of faecal sludge that can be dried using flue gas from Sococim cement plant depending on water content. Assumptions: heat transfer rate = 2.8 MW; Energy demand to evaporate water = 920 Wh/kg - "Waste heat recovery from cement production for faecal sludge drying"

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Financial Viability and Environmental Sustainability of …

2022-7-30 · Omni Processors (OPs) are community-scale systems for non-sewered fecal sludge treatment. These systems have demonstrated their capacity to treat excreta from tens of thousands of people using thermal treatment processes (e.g., pyrolysis), but their relative sustainability is unclear. In this study, QSDsan (an open-source Python package) was used to …

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[PDF] Waste heat recovery from cement production for …

Waste heat recovery from cement production for faecal sludge drying @inproceedings{2012WasteHR, title={Waste heat recovery from cement production for faecal sludge drying}, author={}, year={2012} } Published 2012; Engineering; eawag . Save to Library Save. Create Alert Alert. Cite.

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Excreta as resource: Looking at recovery, reuse of faecal …

2020-5-28 · The faecal sludge also contains organic carbon that can be used to generate energy in the form of heat or electricity — the calorific value of faecal sludge is as high as many other commonly used organic fuels. They following case-studies suggest possible models to mainstream resource recovery and reuse component in the FSSM value chain.

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Can treated faecal sludge reuse help improve sanitation in …

2020-5-5 · The faecal sludge also contains organic carbon that can be used to generate energy in the form of heat or electricity because calorific value of faecal sludge is as high as many other commonly-used organic fuels. The following case-studies suggest possible models to mainstream resource recovery and reuse component in the FSSM value chain: 1.

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Resource recovery and biochar characteristics from full …

2020-2-1 · The production of biochar from faecal sludge offers complete destruction of pathogens and a value-added treatment product. ... powdery biochars that can be utilised for soil amendment or energy recovery. Average calorific values reaching 14.9 MJ/kg suggest use as solid fuel, but are limited by a high ash content. ... by 51.2-65.2% and 48.6-59.6 ...

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