of the Urals

Russian Journal of Agricultural Research

The publication is registered by the Ministry of the Russian Federation
for Affairs of the Press, Television and Radio Broadcasting and Mass Communication Media.
Registration certificate: PI number 77-12831 on May 31, 2002
Subscription index in catalog «Russian Press» - 16356
ISSN 1997 - 4868 (Print)

The Journal is included in the list of the leading peer-reviewed scientific journals and publications, which should be published by the main results of theses for the degree of doctor and Ph.D.
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Journal is included in the list of VAK (from 25.09.2017), No. 291

ISSN 2307-0005 (Online)
Key title: Agrarnyj vestnik Urala (Online)
Abbreviated key title: Agrar. vestn. Urala (Online)

Аграрный вестник Урала № 06 (148) 2016

Биология и биотехнологии

Симакова Т. В. кандидат сельскохозяйственных наук, доцент Тюменская государственная сельскохозяйственная академия

Скипин Л. Н. доктор сельскохозяйственных наук, профессор, заведующий кафедрой Тюменский государственный архитектурно-строительный университет

Петухова В. С. аспирант Тюменский государственный архитектурно-строительный университет

Скипин Д. Л. кандидат экономических наук, доцент, и. о. заведующего кафедрой Тюменский государственный университет



For the first time is investigated the comparative effect of some coagulants (carnallite, phosphogypsum, calcium carbonate,aluminum sulphate, calcium chloride) on the physical properties of drill cuttings. The research results indicate that the drill cuttingshave a high content of sodium cations, their presence is due to the presence of soda, which is introduced with the agent tofacilitate the drilling process. Carnallite and phosphogypsum – wastes of chemical production represents the greatest practicalinterest for the conditions of the Tyumen region. Phosphogypsum (СaSO4 ∙ 2H2O) is sulphate-containing by products obtainedin the production of hydrofluoric and phosphoric acids. The main component of phosphogypsum is calcium sulfate and, therefore,phosphogypsum exhibits acidic properties. As for the major components phosphogypsum contains: СaO – 25–35 %, SO4 –50–58 %, SiO2 – 2–18 %, Al2O3 – 0,1–0,3 %, Fe2O3 – 0,1–0,2 %, P2O5 – 0,5–4,0 %, F – 0,2–2 %, pH – 2,6–6,0. Phosphogypsumis produced in the form of a slurry with a moisture content up to 55 %, sludge in a solid state is finely dispersed and containsmore than 90 % of particles less than 89 microns. Phosphogypsum contains a small amount of impurities (3–4 %) and accordingto the content of the main component (СaSO4∙2H2O) it refers to the raw gypsum of 1–2 grades. Carnallite is a waste productionof Mg and Mg is a raw material for titanium production. It has been usually registered slight admixtures of Br, Li, Rb, Cs, andmechanical particles of clay minerals, hematite, water iron oxides, etc. It is concluded that the introduction of effective coagulantseliminates alkalinity, reduces the hydrophilicity, improves the structure and water resistance of drill cuttings.


filtration capacity, coagulant-ameliorants, drill cuttings, karnilit, phosphogypsum, calcium carbonate, aluminum sulphate, calcium chloride.


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