scholarly journals Quality characteristics of quartz in Xuan Tam mine, Xuan Loc district, Dong Nai province and applications of the production of the “quartz stone” artificial stone

2015 ◽  
Vol 18 (4) ◽  
pp. 114-124
Author(s):  
Cuong Chi Truong ◽  
Anh Thi Quynh Nong ◽  
Cong The Nguyen
Keyword(s):  
Quality Characteristics ◽  
Technological Properties ◽  
Average Temperature ◽  
Geological Characteristics ◽  
Technological Characteristics ◽  
Hydrothermal Origin ◽  
South Vietnam ◽  
Artificial Stone

This article presents a summary of the geological characteristics of the quartz of Xuan Tam mine, Xuan Loc district, Dong Nai province and the results of research on the quality and the mineral technological characteristics of this mine.The data gained from the research indicated that the quartz mine in Xuan Tam area had a high to average temperature of hydrothermal origin and associated with granitoid intrusive formations in the area. This quartz mine possessed minerals vein, and penetrate to the sedimentary formations of the Tra My form. The quality and the technological properties of quartz in the mineral body are suitable for applications such as a material of “quartz stone” artificial stone that uses color, and it could replace a part for the imported material. It’s necessary to have further research, especially on technological characteristics in order to orient the exploitation and the efficient use of the quartz mineral mine Xuan Tam, as well as other areas in the territory of South Vietnam.

scholarly journals The geological characteristics and quality of feldspar mines in Tay Nguyen area and its applications of the ceramic production

2018 ◽  
Vol 1 (T5) ◽  
pp. 222-233
Author(s):  
Cuong Chi Truong ◽  
Hoang Kim Nguyen ◽  
Long Thanh Nguyen
Keyword(s):  
Ceramic Production ◽  
Average Temperature ◽  
Geological Characteristics ◽  
Technological Characteristics ◽  
Yellow Color ◽  
Mineral Vein ◽  
High Alkalinity ◽  
Very High

The article presents a summary of the geological characteristics of the feldspar mines in Tay Nguyen area. The collecting data from the reseached area showed that most feldspar mines in Tay Nguyen area had source of pegmatite. They were established with a high to average temperature and associated by metamorphic process and granitoid of area. The feldspar mines were mineral vein and penetrate to grantioid with a length of hundred meter and a with of 2-20 meters. This feldspar had a white to yellow color and very high alkalinity (14–16 %), silice oxide (61–64 %). Its is suitable for VN 6598:2000 standard applied for ceramic. It’s necessary to have further research on technological characteristics in order to orient to the exploitation and the efficient use in future of feldspar mones in Tay Nguyen area.

Study of technological characteristics of the Health in gum® base for chewing gum

2020 ◽  
pp. 18-21
Author(s):  
E. Blynskaya ◽  
S. Tishkov ◽  
V. Bueva ◽  
K. Alekseev ◽  
V. Alekseev ◽  
...  
Keyword(s):  
Dosage Form ◽  
Patent Protection ◽  
Chewing Gum ◽  
Direct Compression ◽  
Technological Properties ◽  
Technological Characteristics ◽  
Chewing Gums

Medicated chewing gum is a convenient dosage form that allows to expand the range of medicines, ensure adherence of patients to the treatment and extend patent protection for well-known names of medicines. This article describes the technological properties of the Health in Gum® chewing gum base, which provides medicinal chewing gums with minimal addition of excipients by direct compression.

scholarly journals The Role of Hydrocolloids in Gluten-Free Bread and Pasta; Rheology, Characteristics, Staling and Glycemic Index

Foods ◽  
2021 ◽  
Vol 10 (12) ◽  
pp. 3121
Author(s):  
Alina Culetu ◽  
Denisa Eglantina Duta ◽  
Maria Papageorgiou ◽  
Theodoros Varzakas
Keyword(s):  
Rheological Properties ◽  
Glycemic Index ◽  
Specific Volume ◽  
Quality Characteristics ◽  
Dough Rheology ◽  
Bakery Products ◽  
Gluten Free ◽  
Technological Properties ◽  
Starch Retrogradation

Hydrocolloids are important ingredients controlling the quality characteristics of the final bakery products. Hydrocolloids are frequently used in gluten-free (GF) recipes, mimicking some rheological properties of gluten, improving dough properties, delaying starch retrogradation and improving bread texture, appearance and stability. Hydrocolloids addition increases viscosity and incorporation of air into the GF dough/batter. Besides their advantages for the technological properties of the GF bread, hydrocolloids addition may impact the glycemic index (GI) of the final product, thus answering the demand of people requiring products with low GI. This review deals with the application of hydrocolloids in GF bread and pasta with a focus on their effect on dough rheology, bread hardness, specific volume, staling and GI.

Study of the effect of various ingredients on the organoleptic and functional-technological properties of beef heart

Vsyo o myase ◽  
2020 ◽  
pp. 25-29
Author(s):  
Nasonova V.V. ◽  
◽  
Levina E.V. ◽  
Artamonova M.P. ◽  
◽  
...  
Keyword(s):  
Lactic Acid ◽  
Citric Acid ◽  
Starter Culture ◽  
Meat Products ◽  
Beef Heart ◽  
Technological Properties ◽  
Organoleptic Properties ◽  
Technological Characteristics

Offals are of interest to both factures of meat products and consumers. At the same time, the ambiguity of the organoleptic properties of offals and the lasted of their processing create barriers to the growth of their consumption. The studies carried out allowed us to demonstrate the most effective approaches to obtain the necessary organoleptic properties of a product with high functional -technological characteristics. The most effective approach to improve the properties of products from beef heart is using of lactic acid starter culture and citric acid.

Effect of Calcium Synthetic Hydro Silicate Additives on the Cement Systems’ Technological Characteristics

2020 ◽  
Vol 1011 ◽  
pp. 59-65
Author(s):  
Evgeniy Shoshin ◽  
Valeria Strokova ◽  
Denis Timokhin ◽  
Alexandr Strakhov
Keyword(s):  
Powder Mixture ◽  
Calcium Silicate ◽  
Technological Properties ◽  
Cement Concrete ◽  
Plastic Properties ◽  
Technological Characteristics ◽  
Cement System ◽  
Cement Binder ◽  
Calcium Silicates ◽  
Nanometric Particles

The use of finely dispersed fillers for cement concrete is accompanied not only by the cement binder saving, but also by a change in the technological characteristics of the cement mixtures. Depending on the nature of the additive used, both a positive and a negative water-reducing effect can be observed. The nature of the synthetic calcium silicates additives’ effect obtained by the method of sucrose-modified calcium hydro silicates thermolysis on the technological properties of the cement systems is considered. The independent methods determined the polymodal nature of the calcium silicates dispersions. The effect of the various dimensional scales particles on the technological properties of the cement system is determined. Micron particles affect the powder mixture compaction, the optimal content of calcium silicate additives is 20–40%. Nanometric particles, as well as residual freely extractable sucrose, determine the plasticizing effect of the synthetic calcium silicates additives introduction, the maximum manifestation of which is observed when the additive content is 20%. The visco-plastic properties of the “cement - synthetic calcium silicates” system’s mixtures were evaluated at various additive contents.

scholarly journals EVALUATING THE INFLUENCE OF PHOSPHORIC ESTER OF OXYETHYLATED NONYLPHENOL ON TECHNOLOGICAL CHARACTERISTICS OF SOLVENTS OF ASPHALT-RESIN-PARAFFIN DEPOSITS

2018 ◽  
pp. 122-129
Author(s):  
A. P. Melnikov ◽  
V. V. Konovalov ◽  
P. V. Sklyuev ◽  
A. G. Dalke
Keyword(s):  
Critical Concentration ◽  
Micelle Formation ◽  
Maximum Efficiency ◽  
Technological Properties ◽  
Phosphoric Ester ◽  
Technological Characteristics

The article discusses the results of evaluating the influence of phosphoric ester of oxyethylated nonylphenol (PE NP) on solvent asphalt-resin-paraffin deposits efficiency. Comparative experiments of the changes in solvent technological characteristics, when the content of PE NP is up to 2 vol. %, have been performed. The research shows that usage PE NP significantly not only modifies the solvent technological properties increasing the solvency, the saturation of the solvent asphalt-resin-paraffin deposits, but slightly decreases the rate of the asphalt-resin-paraffin deposits dissolution. We have established that the maximum efficiency of the solvent is observed at concentration of PE NP corresponding to the critical concentration of micelle formation.

scholarly journals Water-free oil reservoirs: origin and morphology

Georesursy ◽  
2020 ◽  
Vol 22 (4) ◽  
pp. 15-21
Author(s):  
Tatyana A. Kireeva
Keyword(s):  
High Temperature ◽  
Crystalline Rocks ◽  
Secondary Minerals ◽  
Bazhenov Formation ◽  
Iron Aluminum ◽  
Hydrothermal Origin ◽  
South Vietnam ◽  
White Tiger ◽  
Clay Rocks ◽  
Calcium Iron

The features of the morphology and composition of secondary minerals in the reservoir zones of the White Tiger (Bach Ho) deposit (shelf of South Vietnam) and deposits in clay rocks of the Bazhenov formation of the Salym area of Western Siberia are considered. It is shown that the common for these fields is the formation of a reservoir as a result of the leaching effect of high-temperature fluids. The genesis of the reservoir is determined by a complex of secondary minerals, obviously of hydrothermal origin, partially filling caverns and cracks in the rock: native silver – zincous copper – barite – anhydrite – kaolinite – laumontite (White Tiger oilfield) and sulphates of iron, aluminum, sodium and calcium – iron-aluminum alum, alunite, jarosite, mirabilite, melanterite, gypsum (deposit in the rocks of the Bazhenov formation of the Salym area). Diagnostics of secondary minerals was established based on the results of microprobe studies of undisturbed samples and analysis of the composition of water extracts from crushed core samples.The species composition of secondary minerals indicates a high temperature of the affected solutions, which varied from 600 to 200°C in the case of the White Tiger oilfield, and in the range of 350–450°C, in the case of rocks of the Bazhenov formation. Hydrothermal alteration of crystalline rocks with the formation of secondary clay minerals (kaolinite, montmorillonite, hydromica), zeolites and minerals-sulfates, which are crystalline hydrates, occurs with the absorption of huge amounts of water by the rock (up to 4∙108 tons of water per 1 km3 of altered rock). This may be related to the waterlessness (lack of bottom water) of oilfields, the reservoir of which has a hydrothermal origin. It is possible that oil deposits in crystalline rocks with high oil-saturated zones have associated waters of hydrothermal rather than sedimentogenic origin, but they occur at considerable depths and are not penetrated by drilling. This possibility is evidenced by the discovery of hydrothermal water in the basement of the White Tiger reservoir at a depth of 4493 m, which, in terms of chemical composition and mineralization, is close to the waters of sodium chloride hydrotherms of Kamchatka.

scholarly journals Optimization of the compositions of filling materials containing waste from the development of salt deposits

2019 ◽  
Vol 55 (4) ◽  
pp. 490-497
Author(s):  
N. Ch. Belous ◽  
S. P. Rodtsevich ◽  
O. N. Opanasenko ◽  
N. P. Krutko ◽  
V. V. Shevchuk ◽  
...  
Keyword(s):  
Raw Materials ◽  
Setting Time ◽  
Regression Equations ◽  
Technological Properties ◽  
Mathematical Planning ◽  
Uniaxial Compression Strength ◽  
Solid Ratio ◽  
Filling Materials ◽  
Technological Characteristics ◽  
Salt Deposits

By the method of mathematical planning of the experiment, the influence of the liquid-solid ratio and the content of waste of salt deposits in magnesia hardening backfill mixtures on their technological properties have been studied. The plan of the experiment has been chosen, the regression equations describing the influence of anhydrite wastes and halite wastes content on the density, spreadability and early setting time of backfillingsolutions, volumetric mass, and 28-day uniaxial compression strength of hardened materials have been obtained. As a result of the statistical analysis of mathematical models, the significance of their coefficients, adequacy, efficiency and the ability to calculate technological characteristics of backfilling mixtures by type and content of man-made raw materials have been estimated.

scholarly journals Technological properties of clay raw materials

2021 ◽  
pp. 7-12
Author(s):  
O.M. Nedbailo ◽  
O.G. Chernyshyn
Keyword(s):  
Clay Minerals ◽  
Raw Materials ◽  
Ceramic Production ◽  
Technological Properties ◽  
Soluble Salts ◽  
Hydrothermal Conditions ◽  
Technological Characteristics ◽  
Clay Deposits ◽  
Composition Properties ◽  
Geological Formations

The article summarizes and analyzes the technological characteristics of various clay raw materials. Recommendations on the feasibility of their use in various types of ceramic production are given. Their main characteristics are given, such as chemical composition, mineralogical and physical properties, which vary within extremely wide limits. They are most characterized by a layered structure. All clay minerals are considered as secondary geological formations that arose in deposits in which water was present as a product of changes in aluminosilicate rocks. Most clay minerals are the product of weathering and deposition, but they can also be formed in hydrothermal conditions. In addition to basic clay minerals, clays also contain various amounts of other minerals that often affect their behavior when used. The most common such minerals are quartz, feldspar and minerals containing iron, lime, alkalis and soluble salts. The organic component is also found in many clay deposits. Different classifications of clays are based on their geology, mineralogy, composition, properties and uses, but none of them covers all possible diversity.

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