Results 31 to 40 of about 149,539 (123)
Sewage Sludge Electro-Dewatering [PDF]
, 2011 Original sludge from wastewater treatment plants (WWTPs) usually has a poor dewaterability. Conventionally, mechanical dewatering methods are used to increase the dry solids (DS) content of the sludge.
Tuấn, Phạm Anh
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ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.This work developed a low‐temperature sludge hydrothermal coupled with gel crosslinking strategy which could upgrade the waste liquid generated from sewage sludge hydrothermal treatment into the hydrothermal‐liquid‐gel. The inventive hydrothermal‐liquid‐gel exhibited the enhanced pollutant removal capability, high synthetic stability, and superior ...
Zifan Liu +12 more
wiley +1 more source
Research on Dewatering Ability of Municipal Sludge under the Treatment of Coupled Acid and Microwave
Geofluids, 2021 Municipal sludge is a by-product of urban sewage treatment; it has high water content and contains many hydrophilic extracellular polymeric substances (EPS). It is difficult to achieve deep dewatering of sludge.
Xudong Zhang +7 more
doaj +1 more source
Journal of Chemical Technology &Biotechnology, EarlyView.Abstract BACKGROUND The oil industry generates oily sludge, the accumulation of which poses a serious environmental problem. Conventional methods require high costs, specialized equipment, and qualified personnel. This waste can be treated using biosurfactants.
Maria Eduarda Pereira da Silva +6 more
wiley +1 more source
Journal of Plant Nutrition and Soil Science, EarlyView.ABSTRACT Biochar and hydrochar have emerged as promising carbon‐based amendments for enhancing soil carbon sequestration and mitigating greenhouse gas emissions. This review synthesizes and critically compares current knowledge on the production technologies, physicochemical properties, stabilization mechanisms, carbon persistence, and life‐cycle ...
João Marcos Rodrigues dos Santos
wiley +1 more source
Studies of anodising sludge and its uses [PDF]
, 2008 Anodising is an important finishing technique used to produce controlled oxide coating on aluminium extrusions which impart aesthetic finish, longer life and resistance to corrosion and abrasion.
Patel, Purvesh Vinodbhai
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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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Environmental Toxicology, EarlyView.ABSTRACT This study assessed the ecotoxicological effects of treated sewage on the freshwater planarian Girardia tigrina, integrating biochemical, energetic, and behavioral biomarkers. Planarians were exposed for 48 h to different concentrations of treated sewage (12.5%, 25%, 50%, and 100%) and compared to controls using commercial water and water from
Renata M. P. Freitas +3 more
wiley +1 more source
Sludge dewatering using centrifuge with thermal/polymer conditioning
, 2001 Sludge dewatering is preceded by a conditioning operation to enhance water removal efficiency. In the conditioning operation, chemical coagulants or polymers are added to promote sludge particle aggregation for easier dewatering.
Y. Shien, C.F. Lin
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Water and Environment Journal, EarlyView.This graphical abstract illustrates the oxygen demand reduction potential of the mainstream anammox process compared to conventional A2O and PD/A processes. It visually demonstrates maximum oxygen savings of 28.25% and 18.58%, respectively, under optimal conditions.
Sungryul Kim, Kyungik Gil
wiley +1 more source