Results 111 to 120 of about 16,577 (215)

Diseño de un biofiltro para disminuir la concentración de H2S de un reactor anaerobiodede flujo a pistón (rap)

open access: yesRevista UIS Ingenierías, 2007
Como alternativa para reducir la concentración de H2S presente en el efuente del Reactor Anaerobio de Flujo a Pistón (RAP) de la Universidad Pontificia Bolivariana- (UPB) Seccional Bucaramanga, se planteó un proceso biotecnológico utilizando bacterias ...
Juan Diego Navarro Sarmiento   +2 more
doaj  

Regeneration of leaching agent based on Fe2(SO4)3 with utilization of thionic bacteria [PDF]

open access: yesActa Montanistica Slovaca, 1997
The creation of bacterial film using Thiobacillus ferrooxidans and possibility of its utilization for regeneration of leaching agent based on Fe2(SO4)3 in the process of chalcopyrite leaching has been studied. Jarosites, the products of hydrolysis of Fe2(
Kušnierová Mária, Luptáková Alena
doaj  

MINIMIZING HEAVY METAL IN CRAFT-SETTLEMENT WASTEWATER BY SULFATE-REDUCING BACTERIA-DESULFOVIBRIO DESSULFURICANS [PDF]

open access: yes, 2003
Joint Research on Environmental Science and Technology for the ...
Lai, Thuy Hien   +3 more
core  

Poket Musafir: a guide for smart muslim travelers [PDF]

open access: yes, 2020
Prayer (solat) is one of the five pillars of the Islamic faith and it has been stated in the hadeeth of Jaabir (may Allah be pleased with him) who said; I heard the Messenger of Allah (peace and blessings of Allah be upon him) say; “Between a man and ...
Jamal, Muhammad Fadhli   +3 more
core  

Recent knowledge about the role of bacterial adhesion in coal preparation [PDF]

open access: yesActa Montanistica Slovaca, 1998
V nadväznosti na flotáciu pyritu v uhlí sú zhrnuté súèasné poznatky o vplyve fyzikálno-chemických vlastností buneènej steny baktérie Thiobacillus ferrooxidans na jej adhéziu na povrch rôznych minerálov a uhlia.
Turèániová ¼udmila   +2 more
doaj  

Спосіб отримання гранульованого носія, що містить іммобілізовані мікроорганізми [PDF]

open access: yes, 2017
1. Спосіб отримання гранульованого носія, що містить іммобілізовані мікроорганізми. 2. Винахід відноситься до біотехнології та екології, зокрема до способів отримання іммобілізованих мікроорганізмів в гранулах придатних для використання в системах ...
Chernysh, Yelyzaveta Yuriivna   +5 more
core  

Biological – chemical regeneration of desulphurization sorbents based on zinc ferrite [PDF]

open access: yesActa Montanistica Slovaca, 2002
One of the main sources of air pollution is the combustion of fuels by various thermal and power plants, transport facilities, and metallurgical plants.
Šepelák Vladimír   +3 more
doaj  

Statistical and kinetic study for leaching of covellite in a chloride media [PDF]

open access: yes, 2019
Covellite is a relatively rare copper sulfide with slow dissolution kinetics. The present investigation used the surface optimization methodology to evaluate the effect of three independent variables (time, chloride concentration and sulfuric acid ...
Briceño Romero, Williams   +5 more
core  

Micro-biological degradation and transformation of dissolved organic matter following continuous cropping of tobacco

open access: yesFrontiers in Microbiology
In recent years, the problems associated with continuous cropping (CC) that cause soil degradation have become increasingly serious. As a key soil quality property, dissolved organic matter (DOM) affects the circulation of carbon and nutrients and the ...
Peng Chen   +10 more
doaj   +1 more source

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