Results 41 to 50 of about 235,460 (228)

Dietary Artificial Sweeteners: From Chemical Transformation in Food to Gut Microbial Processing

open access: yesChemFoodChem, EarlyView.
This review article unites classical and recent findings on the stability of artificial sweeteners in food. The focus is on ten sweeteners approved in the European Union: their chemical stability during processing and storage, individual degradation products, and their interactions with the intestinal microbiota.
Jürgen Lassak, Michael Hellwig
wiley   +1 more source

Sewage sludge agricultural use

open access: yesGlobal NEST International Conference on Environmental Science & Technology, 2022
Sewage sludge use in agriculture is promoted by the European union since the normative of cleaning waters related to the compulsory use of depuration plants in all cities over 2000 inhabitants was finally implemented in 2005. The USC has been conducted long-term experiment research of application of different sewage sludge doses in silvopastoral ...
Mosquera-Losada M.R.   +5 more
openaire   +2 more sources

Economic and environmental implications of the development of UASB reactors in Mexico for sustainable industrial wastewater treatment

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Abstract The objective of this work is to demonstrate that the inclusion of an up‐flow anaerobic sludge bed (UASB reactor) within an industrial wastewater treatment plant reduces the plant's investment and operating costs compared to a system based solely on conventional complete‐mix activated sludge (CMAS), operating under the same design principles ...
Juan Manuel Morgan‐Sagastume   +1 more
wiley   +1 more source

Effect of influent organic content on digested sludge extracellular polymer content and dewaterability [PDF]

open access: yes, 2002
The organic composition of the feed sludge to six laboratory-scale anaerobic digesters was adjusted by substituting a proportion of the primary sludge for glucose or propionic acid solution.
Stephenson, Tom, Houghton, Jennifer I.
core   +1 more source

CORRESPONDENCE. DISPOSAL OF SEWAGE SLUDGE. [PDF]

open access: yesMinutes of the Proceedings of the Institution of Civil Engineers, 1887
n ...
Astrop, W.   +11 more
openaire   +2 more sources

Waste activated sludge high‐rate treatment of septage: Stabilization phase trials and comparison with winery wastewater treatment

open access: yesThe Canadian Journal of Chemical Engineering, EarlyView.
Performance evaluation of the waste activated sludge high‐rate (WASHR) process for septic wastewater treatment. Abstract The waste‐activated sludge high‐rate (WASHR) process is evaluated as a batch‐mode pre‐treatment for actual septage using a high‐rate contact stabilization (HRCS) approach.
Arman Shirali   +2 more
wiley   +1 more source

Enhancement of the Plant‐Accessible Phosphate Fraction in Sewage Sludge Ashes by Na+ or K+ Addition Prior to Combustion

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
The addition of Na2CO3 or K2CO3 to sewage sludge prior to combustion leads to the production of ashes containing phosphate in the form of buchwaldite‐like phases (Ca(Na/K)PO4). Compared to conventional sewage sludge mono‐ashes, such Na‐ or K‐ashes show greatly increased P‐solubilities and proved to be potent P‐fertiliser materials in greenhouse ...
Lorenz Bier‐Schorr   +4 more
wiley   +1 more source

Structural changes in lipid-free humic acids during composting of sewage sludge [PDF]

open access: yes, 2005
Structural changes in humic acids (HAs), extracted after lipid removal from sewage sludge during composting, were investigated using various chemical methods (elemental analysis, Fourier transform infrared spectroscopy and 13C-nuclear magnetic resonance
Amir, Soumia   +4 more
core   +1 more source

Pollutant Emissions and Heavy Metal Migration in Co-Combustion of Sewage Sludge and Coal

open access: yesEnergies
The treatment of sewage sludge has become a global concern. Large amounts of sewage sludge can be disposed of by burning coal-mixed sludge. Thermogravimetric analysis and lab-scale combustion experiments in a drop tube furnace were utilized to study the ...
Chunyu Liu, Changtao Yue, Yue Ma
doaj   +1 more source

Modern approaches to treatment and recovery of secondary sludge of domestic sewage

open access: yesМеліорація і водне господарство, 2021
For today, pollution of the environment, in particular of surface waters, has led to an environmental crisis in many countries of the world. One of the reasons for this is the use of outdated approaches to the treatment and recovery of sewage sludge. The
O. V. Zorina, Y. O. Mavrykin
doaj   +1 more source

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