scholarly journals Synthesis, Antibacterial and Anti-Corrosive Activity of 2,3-Dihydroimidazo[1,2-a]Pyridinium Bromides

2020 ◽  
Vol 14 (3) ◽  
pp. 327-333
Author(s):  
Nataliya Demchenko ◽  
◽  
Svitlana Tkachenko ◽  
Sergii Demchenko ◽  
◽  
...  
Keyword(s):  
Corrosive Activity

scholarly journals Experimental development of approaches to reduce the slagging and corrosive activity of salty coal

2020 ◽  
Vol 6 (6 (108)) ◽  
pp. 124-133
Author(s):  
Tatiana Shendrik ◽  
Nataliya Dunayevska ◽  
Anatoly Tsaryuk ◽  
Valery Ielagin ◽  
Anton Fateyev
Keyword(s):  
Experimental Development ◽  
Corrosive Activity

scholarly journals DEVELOPMENT OF AN ASPHALT-RESIN-PARAFFIN DEPOSITS INHIBITOR AND SUBSTANTIATION OF THE TECHNOLOGICAL PARAMETERS OF ITS INJECTION INTO THE BOTTOM-HOLE FORMATION ZONE

2020 ◽  
Vol 17 (34) ◽  
pp. 769-781 ◽  
Author(s):  
Karina Shamilevna KHAIBULLINA ◽  
Grigory Yurievich KOROBOV ◽  
Aleksandr Viktorovich LEKOMTSEV
Keyword(s):  
Core Material ◽  
Hole Formation ◽  
Technological Parameters ◽  
Oil Saturation ◽  
Bottom Hole ◽  
Formation Zone ◽  
Production Wells ◽  
Bulk Model ◽  
Corrosive Activity ◽  
The Impact

The problem of the formation of asphalt-resin-paraffin deposits (ARPD) in oil fields within the “well – bottom-hole formation zone” system is still relevant. To prevent the formation of ARPD in the “bottom-hole formation zone – well” system, the ARPD inhibitors must have high adsorption and low desorption properties concerning the rock. The composition of inhibitors often includes surfactants. Nonionic surfactants, namely, polyesters, are widely used to prevent the formation of ARPD. However, currently, little is known about inhibitors with a combined effect, for example, possessing depressor-dispersing properties for ARPD. This work aimed to develop a combined inhibitor possessing not only depressor-dispersing properties but also having good adsorption and desorption properties to the rock to prevent the formation of ARPD. The paper presents the research results on the development of an ARPD inhibitor, as well as the effects of determination of its depressor dispersing, inhibiting, and corrosive properties; the temperature of oil saturation with paraffin is determined as well. The studies of the ARPD inhibitor adsorption were carried out by the static and dynamic methods. In contrast, the process of the inhibitor desorption was studied by oil filtering through a saturated sample of the rock using a bulk model and core material. The impact of the fluid flow rate on the inhibitor desorption rate was studied. The technological parameters of the ARPD inhibitor solution injection into the bottom-hole formation zone of production wells were calculated. The developed composition has high inhibiting properties concerning the ARPD, depressor dispersing properties, low corrosive activity for a metal surface, and is capable of lowering the temperature of oil saturation with paraffin.

The corrosive activity of fluxes

1975 ◽  
Vol 14 (3) ◽  
pp. 295-303 ◽  
Author(s):  
Andrzej Bochenek ◽  
Boguslaw Woźniakowski
Keyword(s):  
Corrosive Activity

scholarly journals Estimation of corrosive activity of mineralized flat waters of oil conditions

2019 ◽  
Vol 3 (26) ◽  
pp. 5-11
Author(s):  
M. Gomelya ◽  
◽  
O. Stepova ◽  
◽  
Keyword(s):  
Corrosive Activity

scholarly journals Study Concerning the Corrosive Activity Properties of Monatomic Alcohol-Gasoline Blends

2011 ◽  
Vol 6 (2) ◽  
pp. 36-44
Author(s):  
Valerian Cerempei
Keyword(s):  
Internal Combustion Engines ◽  
Internal Combustion ◽  
Combustion Engines ◽  
Corrosive Activity

The paper studies the corrosive activity of the monatomic alcohol (ethanol, butanol) - gasoline mixtures on the materials from which the internal combustion engines are made. The corrosive influence of these blends was determined in dependence of their composition. It was established that the addition of butanol and triethylamine in the ethanol-gasoline mixture essentially reduces the corrosive activity of this mixture.

scholarly journals Effectiveness of the use of sanifying set «SanStim» for disinfection eggs before incubation

2018 ◽  
Vol 20 (83) ◽  
pp. 226-229
Author(s):  
T.I. Fotina ◽  
H.A. Fotina ◽  
I. V. Kovalenko
Keyword(s):  
Growth And Development ◽  
Bacterial Infections ◽  
Guanidine Hydrochloride ◽  
Experimental Studies ◽  
Natural Resistance ◽  
Control Group ◽  
Bactericidal Action ◽  
Source Of Infection ◽  
Wide Range ◽  
Corrosive Activity

The most vulnerable place in poultry farms is incubation, microorganisms are able to survive the entire period of incubation and penetrate through the eggshell, to be the source of infection with embryos, to affect the reduction of the percentage of conditional young birds, growth and development in the early days of cultivation. The accumulated pathogenic microflora negatively affects the state of the immune system of the bird. Contaminated with conditionally pathogenic and pathogenic microflora egg is the main link in the transmission of all bacterial infections. In Ukraine, for the pre-incubation treatment of eggs, sodium hydroxide, formalin, chloramine, persicum C. are used. These agents exhibit bactericidal properties, but are toxic, have corrosive activity and are carcinogens. The «SunTime» kit consists of polyhexamethylene guanidine hydrochloride and a mixture of organic acid salts (lemon, amber, and apple). These substances provide an effective bactericidal action against a wide range of bacteria, are safe for poultry embryos and personnel, have a stimulating effect on the growth and development of the embryo, provide a prolonged bactericidal action. The purpose of the study of the effectiveness of a complex ecologically safe sanitizers set «SunSim», its application for pre-incubation processing of chicken eggs. In experimental studies, two groups were formed, each with n = 250. In order to disinfect the surface of the shell of the incubation egg, two times aerosol treatment of the experimental group using 0.3% of SunStim was carried out, the first time the sanitation of the incubation eggs was carried out before the laying on the incubation cabinet, the exposure was 40 minutes, the second final treatment was carried out on the 18th day of incubation, to extract, a working solution of organic acids (amber, lemon and apple) to stimulate embryonic viability and increase the natural resistance of the embryos. For the control group, formalin was used. After two times of the sanation of the incubation eggs with the SunStim set, the percentage of decontamination of the shell surface of the incubation eggs was 99.1 ± 0.5%. While analyzing the results of the incubation waste category of «dead and drowning» by 3,6% less compared with the control, and the category of «crippled» was not observed. The use of the SunStim set improves the quality of surface treatment of the shell of incubation eggs, increases the incubation eggs output by 4.5-5.0%, the average body weight of the received young animals in experimental groups exceeds control by 4%.

Corrosive activity of natural microbial associations at various conditions of cultivation

2011 ◽  
Vol 47 (6) ◽  
pp. 615-620
Author(s):  
V. B. Rodin ◽  
S. K. Zhigletsova ◽  
N. A. Zhirkova ◽  
N. V. Aleksandrova ◽  
V. A. Chugunov ◽  
...  
Keyword(s):  
Microbial Associations ◽  
Corrosive Activity

Synthesis, spectral analysis, anti-corrosive activity and theoretical study of an aromatic hydrazone derivative

2019 ◽  
Vol 1181 ◽  
pp. 83-92 ◽  
Author(s):  
Nadjib Chafai ◽  
Salah Chafaa ◽  
Khalissa Benbouguerra ◽  
Abdelkader Hellal ◽  
Mouna Mehri
Keyword(s):  
Spectral Analysis ◽  
Theoretical Study ◽  
Corrosive Activity ◽  
Hydrazone Derivative

Corrosive Activity of Coal-Tar Wash Oils and Life of Equipment in Benzene Recovery

2018 ◽  
Vol 61 (4) ◽  
pp. 141-146
Author(s):  
S. V. Nesterenko ◽  
L. P. Bannikov ◽  
Yu. N. Skripiy ◽  
I. A. Klemin
Keyword(s):  
Coal Tar ◽  
Corrosive Activity
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