Results 11 to 20 of about 142,636 (209)
Dewatering of Sewage Sludge with Vacuum Assisted Sludge Dewatering Beds
Water Science and Technology, 1992 The “Rapid Sludge Dewatering System (RSDS)”, in which the sludge is dewatered by way of vacuum supported sludge drying beds, was tested for performance, efficiency and applicability. Generally, the RSD-System can be regarded as an alternative to other sludge dewatering systems, especially for small purification plants, for agricultural use and ...
Ch. Salzer, R. Haberl
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Enhanced Electro-Dewatering of Sludge Through Inorganic Coagulant Pre-Conditioning
SeparationsSludge electro-dewatering technology is an attractive dewatering technology, but its application is limited by high energy consumption and filter cloth clogging caused by the dissolution of extracellular polymeric substances (EPSs). Thus, the addition of
Xiaoyin Yang +5 more
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Iron⁃calcium⁃biochar enhanced sludge deep dewatering and sludge⁃based biochar preparation
能源环境保护Sludge dewatering is a crucial step in sludge disposal and resource recovery. While FeCl3 is commonly used to enhance sludge dewatering, it is ineffective for some residual sludges, resulting in a high moisture content in the sludge cake that fails to ...
JIAO Hongming +6 more
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Competitive exclusion as a means to reduce Escherichia coli regrowth in digested sludge [PDF]
, 2014 In recent years, it has been reported that numbers of Escherichia coli increase significantly following centrifugation of sludge during the treatment process. E.
Williams, Tyson
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Impact of Conditioning Substances and Filtration Pressure on Dewatering Efficiency of Sewage Sludge
Energies, 2021 Sludge dewatering is a key element in sludge’s processing and management. Solid-phase separation, sludge volume reduction and the separation of a high-quality supernatant are the main tasks of the dewatering devices.
Tomasz Kamizela, Mariusz Kowalczyk
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Advances in Civil Engineering, 2020 At present, the sludge production has increased sharply, and sludge treatment remains a serious problem. Rapid sludge dewatering is the key problem of sludge treatment, and the main approach for reducing the cost of the sludge treatment is to reduce the ...
Yongzheng Qi +8 more
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Effects of acid-heat combined treatment on sludge dewatering performance at low temperature [PDF]
E3S Web of Conferences, 2019 The effects of different initial pH value, temperature and heating time on sludge dewatering performance were studied by treating sludge with acid-heat combination at low temperature and taking dewatering rate (amount of filtrate per unit time) and ...
Qian Jie, Tang Yuchao, Zhang Qianqian
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Energy demand in sludge dewatering [PDF]
Water Research, 2005 This work investigates the energy required to dewater a suspension, i.e., activated sludge dewatered by centrifugation or consolidation. Total energy input to the suspension from the dewatering device, bond strength between adjacent water and solid surface, and intra-cake friction loss were evaluated for original and flocculated sludges. In centrifugal
Chu, C.P., Lee, D.J., Chang, C.Y.
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Electro-kinetic technology as a low-cost method for dewatering food by-product [PDF]
, 2011 Increasing volumes of food waste, intense environmental awareness, and stringent legislation have imposed increased demands upon conventional food waste management.
Glendenning, S +17 more
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Energies, 2023 The dewatering process reduces the water quantity in sludge, allowing the decrease in its volume, which facilitates its storage, transport, stabilization, and improves the post-treatment efficiency.
Wissem Mnif, Faouzi Ben Rebah
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