Results 31 to 40 of about 4,781,731 (178)

Persistence of pathogens and bacterial community dynamics in tropical soil after application of raw sewage

open access: yesScientific Reports, 2023
The objective of this work was to evaluate the persistence of faecal indicators and pathogenic organisms (Salmonella spp., Escherichia coli and viable helminth eggs) and the structure/diversity of bacterial communities in soil receiving raw sewage (RS ...
Marcus Vinícius Araújo Marques   +4 more
doaj   +1 more source

SANITARY ENGINEERING AS A CAREER

open access: yesAmerican Journal of Public Health, 1925
SANITARY engineering is a late development in the curricula of technical institutions. Like all other aspects ,of learning, engineering has gone through a process of evolution and differentiation. It is the function of colleges to adjust their curricula to the changing conditions of social life.
openaire   +3 more sources

Enhancing biogas production through anaerobic co-digestion of thickened sewage sludge and rice straw

open access: yesAin Shams Engineering Journal
Anaerobic co-digestion offers a promising approach to enhancing biogas production from surplus by-products of wastewater treatment plants (WWTPs) and agricultural waste while reducing environmental negative impact.
Ghada M. Ahmed   +4 more
doaj   +1 more source

Ferrate as a coagulant prior to sand filters treating secondary wastewater effluent for reuse

open access: yesWater Science and Technology
Wastewater reuse is one of the crucial water resources in Egypt due to the ongoing need to increase water resources and close the supply-demand gap.
Omar Gaber   +3 more
doaj   +1 more source

Anaerobic Conversion of Saline Phenol-Containing Wastewater Under Thermophilic Conditions in a Membrane Bioreactor

open access: yesFrontiers in Bioengineering and Biotechnology, 2020
Closing water loops in chemical industries result in hot and highly saline residual streams, often characterized by high strength and the presence of refractory or toxic compounds.
Julian D. Muñoz Sierra   +6 more
doaj   +1 more source

Alkaline and acid solubilisation of waste activated sludge

open access: yesWater Science and Technology, 2021
The influence of acidic and alkaline conditions on the solubilisation process of waste activated sludge (WAS) was investigated using HCl and NaOH at pH 2, 10, 11 and 12.
Tales Abreu Tavares de Sousa   +6 more
doaj   +1 more source

Consultation on Information in Sanitary Engineering and Environmental Sciences : final report

open access: yes, 1977
Meeting: Consultation Group on Information in Sanitary Engineering and Environmental Sciences, 14-16 Nov.
Pan American Center for Sanitary Engineering and Environmental Sciences   +1 more
core   +1 more source

CURRENT SANITARY-ECOLOGICAL STATE AND ENSURING OF SAFETY EXPLOITATION OF FRESH GROUND WATERS INTAKES FOR DRINKING PURPOSES WITHIN THE LIMITS OF THE KHMAO - YUGRA TERRITORY

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2015
Based on the results of the hydro-geo-ecological investigation carried out at acting drinkable water intakes lo-cated at settlements within the limits of the KHMAO-Yugra territory an estimation was made of sanitary-engineering state of water-intake ...
M. V. Vashurina, A. V. Fyodorova
doaj   +1 more source

Operational reliability of sanitary-engineering armature of internal waterpipe systems in residential buildings

open access: yesRUDN Journal of Engineering Research, 2010
Research and estimation results of reliability of sanitary-engineering armature of internal waterpipe systems in residential buildings are presented.
А Petrovich Svintsov   +2 more
doaj  

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