scholarly journals STUDY OF CONSTRUCTIVE PROVISION OF THE CAPSULE FORMATION PROCESS OF THE "OIL AND FAT RAW MATERIALS - IONOTROPIC SHELL-MAKER" SYSTEM

2017 ◽  
Vol 6 ◽  
pp. 42-47 ◽  
Author(s):  
Olga Neklesa ◽  
Yvgennia Yarantseva ◽  
Yevgen Pyvovarov ◽  
Olga Grinchenko
Keyword(s):  
Laminar Flow ◽  
Quality Indicators ◽  
Raw Materials ◽  
Point Of View ◽  
Theory And Practice ◽  
Raw Material ◽  
Physical Parameters ◽  
Practical Result ◽  
Capsule Formation ◽  
Physical Form

The effectiveness of fundamental and applied research is realized in the field of technological and hardware solutions, it allows creating a new generation of food products whose quality indicators go beyond those typical of the traditional assortment. This to a certain extent applies to the fat and oil industry. An important scientific and at the same time practical result is the proposal to consider the encapsulation process not only from the technological point of view. This requires a scientific approach both in the choice of the components of the food system, and in the realization of their properties under the prevailing conditions. From a practical point of view, this determines the given technical and constructive solutions. To date, there is no theory and practice of extrusion of two fluids through the "air" technological medium, one of which is flowable oil content, and the other is a solution of the ionotropic polysaccharide. There are no scientific and technical principles for the formation of the physical form of the capsule, as well as industrial devices for their production. Food technologies with the use of fat-and-oil raw materials encapsulated are not revealed, and information on the effect of a new food form of fat-and-oil raw materials on the formation of product quality indicators in the technological flow and during storage is not generalized. To obtain a controlled technological process for the production of fat-and-oil encapsulated raw material, it is important to provide laminar flow of ionotropic shell-maker and fat-and-oil raw materials along the product line of the encapsulation device. This is possible under the condition of special constructive maintenance of the process of capsule formation of the "fat-and-oil raw materials - ionotropic shell-maker" system. This served as the basis for determining the physical parameters of the formation of a thermostable capsule. It is proved that the formation of a final capsule with internal contents of fat-and-oil raw material is possible under the condition of an individual design of an extrusion head and a capsulation device that ensure the circumferential rotation of the capsule in the laminar flow of the receiving medium. This allows to form capsules with given organoleptic, commodity, technological properties and the like.

Calculation of the Glaze Recipe for Porcelain Feldspar Products Based on their Molecular Formula Rationalization

2008 ◽  
Vol 59 (2) ◽  
pp. 129-134
Author(s):  
Ion Teoreanu ◽  
Roxana Lucia Dumitrache ◽  
Stefania Stoleriu
Keyword(s):  
Raw Materials ◽  
Computer Programs ◽  
Point Of View ◽  
Raw Material ◽  
Easy Access ◽  
Molecular Formula ◽  
Design Equation ◽  
Material Sources

Any change of the raw material sources for glazes, economically, ecologically motivated, and also from the glaze quality point of view, is conditioned by the molecular formula rationalization and by the variation limits of the molecular formula, respectively. The proper glaze compositions are placed within their limit variation intervals with optimized processing and utilization properties. For this purpose, the rationalization criteria and procedures of molecular formulas are summarized in the present paper, as well as the results referring to their rationalization obtained in the authors� previous work. Thus, one starts from a base of raw materials that are selected, usable and also accessible for the design and producing of the glazes. On these bases the groundwork and the design equation for the glaze recipes are developed, exemplified for a single glaze. For an easy access to results, computer programs are used for an easy access to results.

IMPACT OF INNOVATIVE METHOD OF PREPARING TOBACCO LEAVES FOR DRYING ON THE BASIC PARAMETERS OF QUALITY OF TOBACCO RAW MATERIAL

2019 ◽  
Author(s):  
Е.Е. Ульянченко
Keyword(s):  
Chemical Composition ◽  
Quality Indicators ◽  
Raw Materials ◽  
Raw Material ◽  
Tobacco Leaves ◽  
Commercial Grade ◽  
Innovative Method ◽  
Main Indicator ◽  
Basic Parameters

Исследовано влияние приема прорезания средней жилки на основные качественные показатели табачного сырья. Исследования проводили на листьях основных сортотипов табака Трапезонд и Остролист по массовым ломкам. Прорезание жилки осуществляли на инновационном оборудовании экспериментальном образце линии подготовки листьев табака к сушке ЛПТС360 (ВНИИТТИ, Краснодар). Качество табачного сырья с прорезанной жилкой определяли по товарным сортам, технологическим и курительным свойствам, химическому составу по методикам лабораторного контроля ВНИИТТИ. Инновационный способ подготовки табака к сушке в едином потоке с применением технологического оборудования, включающего прорезатель, выявил положительный технологический результат. Установлена эффективность приема прорезания средней жилки: срок естественной сушки листьев с прорезанной жилкой сократился в 2,5 раза выход 1го товарного сорта сырья составил 74,60 87,93 выход волокна сырья с прорезанной жилкой превышает минимальное значение технологических норм (75) в 1,15 1,26 раз условный расход сырья на единицу курительных изделий меньше норматива на 6 25 улучшен основной показатель химического состава табачного сырья (число Шмука) в 1,6 4,6 раза у сортотипа Трапезонд, в 1,2 1,5 раза у сортотипа Остролист дегустационные свойства сырья не ухудшились. Инновационный способ подготовки листьев табака к сушке, включающий прием прорезания средней жилки, рекомендуется для применения в производстве табачного сырья. The influence of middle vein cutting method on the main quality indicators of tobacco raw materials is studied. Studies were carried out on the leaves of the main varieties of tobacco Trapezond and Ostrolist, on mass breakdowns. Vein cutting was carried out on the innovative equipment of the line of preparation of tobacco leaves for drying LPTS360 (GNU VNIITTI RAA, Krasnodar). The quality of tobacco raw materials with a cut vein was determined by commercial grades, technological and Smoking properties, chemical composition in accordance with the methods VNIITTI. An innovative method of preparing tobacco for drying in a single stream with the use of technological equipment, including a cutter, revealed a positive technological result. The period of natural drying of leaves with cut veins decreased by 2,5 times. The yield of the 1st commercial grade of raw materials was 74,60 87,93. The output of the fiber raw material with cut vein exceeds the minimum value of technological norms (75) in 1,15 1,26 times. Conditional consumption of raw materials per unit of Smoking products is less than the norm by 6 25. The method of cutting the middle vein of the leaves improves the main indicator in the chemical composition of tobacco raw materials (Schmuck ratio) 1,6 4,6 times in the variety Trapezond and 1,2 1,5 times in the variety Ostrolist. The tasting properties of raw materials have not deteriorated. Analysis of raw material quality indicators showed that the innovative method of cutting the middle vein is effective and recommended for use in the production of tobacco raw materials.

scholarly journals Improving the efficiency of leaching of metals from ore raw materials

2018 ◽  
pp. 45-57
Author(s):  
V.I. Lyashenko ◽  
F.F. Topolnyi ◽  
G.D. Kovalenko
Keyword(s):  
Underground Mining ◽  
Raw Materials ◽  
Residential Buildings ◽  
Practical Experience ◽  
Environmental Safety ◽  
Theory And Practice ◽  
Raw Material ◽  
Material Base ◽  
Seismic Safety ◽  
Industrial Buildings

Purpose. Improving the efficiency of leaching of metals from ore raw materials by justifying the parameters of underground mining and the introduction of integrated technology in combination with geotechnology, ensuring the rational use, protection of the subsurface and the environment during the development of reserves by combined geotechnological methods. Metology. The methods of generalization, analysis and evaluation of practical experience and scientific achievements in the field of geotechnology, theory and practice of explosive destruction of solid media, continuum mechanics, mathematical statistics, as well as research techniques of wave processes according to standard and new techniques of the leading experts of the world's advanced mining countries are described. Findings. The factors determining the leaching efficiency of metal ores, environmental and seismic safety are established and the parameters of the explosion are justified taking into account the size of an average linear piece of exploded ore mass, the area of an emanating surface and the seismic safety of protected objects (industrial buildings, residential buildings, the Ingul river underflow, Kropivnitsky, etc.). Originality. Recommended empirical dependence for the prediction of the oscillation speed on the reduced mass of charge per deceleration step in the explosive preparation of ore for underground leaching of metals for the field conditions of the form y = a ∙ b also the value of the permissible displacement rate of the soil at the base of the protected objects = 0.4 cm / s. Practical value. When non-conforming ores of deposits are involved in the production, their raw material base at operating mines can be increased 1.4–1.6 times. Keywords: mining technology, underground mining, metal leaching, environmental safety, efficiency.

Study of Phyto-ingredients of Wild Berry Juice

2021 ◽  
pp. 47-50
Author(s):  
Антонина Григорьевна Чернобровина ◽  
Наталья Николаевна Роева ◽  
Наталия Евгеньевна Куликова ◽  
Ольга Юрьевна Попова
Keyword(s):  
Raw Materials ◽  
Antioxidant Properties ◽  
Point Of View ◽  
Natural Dyes ◽  
Raw Material ◽  
Protective Properties ◽  
Enzyme Preparations ◽  
Other Substances ◽  
Ingredient Composition ◽  
Functional Components

В настоящее время к одним из наиболее приоритетных направлений пищевой промышленности относят разработку функциональных продуктов питания на основе экологически чистого сырья естественного происхождения, в том числе ягодного. При разработке новых продуктов с защитными свойствами важно учитывать ингредиентный состав сырья, оказывающий лечебно-профилактический эффект, и с этой точки зрения ягоды малины и брусники заслуживают особого внимания. С целью максимального извлечения и сохранения природных, физиологически-функциональных компонентов дикорастущих ягод (витаминов, микро- и макроэлементов, фенольных, пектиновых соединений и др.) были разработаны и созданы мультиэнзимные композиции для предобработки ягод брусники (МЭКб) и малины (МЭКм). Большой интерес вызывали исследования состава и содержания красящих веществ в исследуемых образцах. В качестве структурных элементов антоцианов в соке малины и брусники, а также в их ферментативных соках установлены дисахариды, основной структурный компонент которых - цианидин. Количественное содержание антоцианов в соке брусники и малины составило 305,4 и 106,2 мг/дм3, а в ферментативном соке брусники (БФС) и малины (МФС) - 553,7 и 146,4 мг/дм3, соответственно. Высокое содержание красящих веществ - важный критерий для использования БФС и МФС в качестве источника натуральных красителей. Установлена более высокая антиоксидантная активность в БФС и МФС (соответственно в 1,3 и 1,5 раза) по сравнению с соком, полученным без применения ферментных препаратов. Следовательно, ферментативный сок ягод обладает высокими антиоксидантными свойствами и служит источником натуральных красителей, поэтому его можно рассматривать как перспективный сырьевой полуфабрикат при производстве продуктов питания функциональной направленности, оказывающих благотворное регулирующее действие на организм человека. Currently, one of the priority areas of the food industry is the development of functional food products based on environmentally friendly raw materials of natural origin, including berry. When developing new products with protective properties, it is important to take into account the ingredient composition of the raw materials, which has a therapeutic and prophylactic effect, and from this point of view, raspberries and lingonberries deserve special attention. In order to maximize the preservation and extraction of natural, physiologically functional components of wild berries (vitamins, micro - and macroelements, phenolic compounds, pectin and other substances) were developed and created multienzymatic compositions for the pretreatment of lingonberry (MEKb) and raspberry (MEKm). Of great interest were studies on the characterization and content of dyes in the samples being studied. As structural elements of anthocyanins in raspberry and lingonberry juice, as well as in their enzymatic juices, disaccharides were established, the main structural component of which is cyanidine, and the quantitative content of anthocyanins (mg/dm3) in the juice of lingonberry and raspberry, corresponded - 305.40 and 106.20, and in the enzymatic juice of lingonberry and raspberry - 553.70 and 146.40. The high content of dyes is an important criterion for the use of BFS and MFS as a source of natural dyes. A higher antioxidant activity was found in BFS and MFS (1.3 and 1.5 times, respectively) compared with juice obtained without the use of enzyme preparations. Therefore, the enzymatic juice of berries has high antioxidant properties and is a source of natural dyes, so it can be considered as a promising raw material in the production of functional foods that have a beneficial regulatory effect on the human body.

scholarly journals Carbonate complexes underlying Flysch belt and subsurface Neogene volcanic in the NE part of Slovakia – a potential for geothermal energy and raw materials

2012 ◽  
Vol 42 (4) ◽  
pp. 283-294
Author(s):  
Ľudovít Kucharič ◽  
Vladimír Bezák ◽  
Dušan Majcin ◽  
Ján Vozár
Keyword(s):  
Gravity Anomaly ◽  
Magnetic Measurements ◽  
Slovak Republic ◽  
Raw Materials ◽  
Point Of View ◽  
Raw Material ◽  
Geothermal Potential ◽  
Two Factors ◽  
New Perspective ◽  
Carbonate Complexes

Abstract A positive gravity anomaly was observed in the Flysch belt realm. Based on this fact and available geological knowledge we suppose that the source of gravity anomaly might be carbonate rocks lying perhaps in the footwall of Flysch sediments. The carbonates belong perhaps to the Penninic crust cover (a part of Klippen belt), or to lower structural stage of the Flysch belt. Besides this it is interpreted more volume of Neogene subvolcanic bodies in the frame of the Flysch belt based on the results of the newest magnetic measurements in the NE part of Slovakia (Kucharič et. al., in press). These are accompanied by increasing heat flow and hydrothermal alteration within neighbouring rocks what may eventuate into creation of raw materials. These two factors - carbonates and subvolcanic bodies - are important items for appraisal of new perspective in this area not only from hydrocarbon occurrences point of view (a primary intend within this area) but also for enhancement of geothermal potential of Slovak Republic and opening possibilities for prognosis of raw material occurrences as well.

scholarly journals Investigations of quartz raw materials from the locality of Rekovac muncipality

2019 ◽  
Vol 73 (4) ◽  
pp. 265-274
Author(s):  
Slavica Mihajlovic ◽  
Zivko Sekulic ◽  
Jovica Stojanovic ◽  
Vladan Kasic ◽  
Iroslav Sokic ◽  
...  
Keyword(s):  
Chemical Composition ◽  
Physical Properties ◽  
Quartz Sand ◽  
Raw Materials ◽  
Construction Materials ◽  
Size Fraction ◽  
Point Of View ◽  
Raw Material ◽  
Potential Applications

Quality of raw materials, including quartz sand and quartzite, varies from one deposit to another. Furthermore, the material quality determines in which industrial branches it can be used after certain preparation processes. Potential applications of quartz raw materials are: in the construction and refractory industry, ceramics and glass industry, then in metallurgy, foundry and also in production of water treatment filters. Geological investigations of the central Serbia region, in the Rekovac municipality, resulted in identification of occurrence of quartz sand ("Ursula") and quartzite ("Velika Krusevica"). Preliminary laboratory tests and characterization of the quartz sand size fraction -0.63+0.1 mm confirmed the possibility of applying this size fraction in the construction materials industry, while the quartzite can be used in refractory, glass and metallurgy industries. After determining the geological reserve of quartz sand "Ursula" and quartzite "Velika Krusevica", detailed investigations are required. Quality conditions from the aspect of chemical composition and physical properties of quartz sand and quartzite are mostly clearly defined by a special standard for this purpose. On the other hand, there are also application areas where standards does not exist, but users define their quality conditions. This example is with the application of quartz sand in the production of water glass. Chemical composition as well is not always the determining factor for the application of quartz raw material. For example, for quartz sand used for sandblasting, grain form is essential. From the economic analysis point of view, the prices of quartz raw materials vary depending on their chemical and physical properties. After all, what needs to be pointed out is the fact that these raw materials are very widespread in nature and that their exploitation is quite simple. After the raw material is excavated, it is stored and further sieved, washed, dried and processed according to customer requirements. All of these processes are cheaper than preparing, for example, limestone, and significaly cheaper than preparation of metal ores.

scholarly journals Expedient behaviour and predetermination at the Ciota Ciara cave (north-western Italy) during Middle Palaeolithic.

2020 ◽  
Author(s):  
Sara Daffara ◽  
Gabriele L.F. Berruti ◽  
Marta Arzarello
Keyword(s):  
Raw Materials ◽  
Point Of View ◽  
Raw Material ◽  
Functional Study ◽  
Middle Palaeolithic ◽  
General Behaviour ◽  
Stratigraphic Sequence ◽  
Hunter Gatherers ◽  
Functional Studies ◽  
North Western

The Ciota Ciara cave is a Middle Palaeolithic site located in Piedmont (north-western Italy) and it is the only one systematically investigated in the region. It opens at 670 m a.s.l. on the west side of Monte Fenera and its archaeological deposit has a stratigraphic sequence documenting several and repeated human frequentations. Four archaeological layers have been identified (13, 14, 15 and 103) and are characterized by lithic assemblages where vein quartz is the main exploited raw material. The upper level (13), was already subject to technological and functional studies but the enlargement of the excavated area made necessary a completion of the technological data. The aim of this work is to deal with a complete technological and functional study of the lithic assemblage of the four archaeological layers of the Ciota Ciara cave to face the issues of predetermination and adaptation of the reduction sequences to the raw materials features. The technological analysis is based on the concept of chaîne opératoire and refers to the classical definitions of the S.S.D.A., discoid and Levallois methods for the identification of the different exploitation strategies. The concepts of curated and expedient technology are also applied to the present study. We finally refer to the huge debate concerning the concept of predetermination related to cores that show reduced or none phases of core configuration for the analysis and interpretation of the considered lithic assemblage.The results obtained show that the general behaviour can be interpreted as expedient, both from a technological and a functional point of view. The Middle Palaeolithic hunter-gatherers of the Ciota Ciara cave adapted their “technological background” to the resources available and put into action flexible adaptation strategies. Even in the shortness or absence of phases of core configuration, predetermination can be observed in the adaptation of Levallois and discoid concepts to the natural constraints of the pebbles chosen as cores. The natural convexities are exploited to obtain Levallois and discoid flakes after an intentional choice made by the knappers. In order to deeply investigate the characteristics of the technological behaviour of the hunter-gatherers that inhabited the site, the use-wear analysis is a fundamental additional source of information and it is here aimed to understand if there is or not a differential use of the lithic artefacts according to their typology and/or to the knapping method.

scholarly journals Ultrasound Drying of Rose Hips: a Process Study

2020 ◽  
Vol 50 (1) ◽  
pp. 79-86
Author(s):  
Elena Verboloz ◽  
Marina Ivanova ◽  
Vera Demchenko ◽  
Sergey Fartukov ◽  
Nikita Evona
Keyword(s):  
Vitamin C ◽  
Moisture Content ◽  
Quality Indicators ◽  
State Standard ◽  
Raw Materials ◽  
Initial Moisture Content ◽  
Raw Material ◽  
Drying Process ◽  
Resource Saving ◽  
Drying Time

Introduction. Rose hips are rich in macro- and micronutrients. Unfortunately, heat treatment destroys most nutrients. Ultrasonic technologies make it possible to reduce the drying time and lower the temperature regime. The research objective was to adjust ultrasound technology to rose hip production in order to reduce the loss of vitamins and improve the quality indicators of the dried product. Study objects and methods. The research featured rose hips of the Rosa canina species collected in the south of Kazakhstan. This subspecies of wild rose is poor in vitamin C. Nevertheless, this shrub is extremely common in Russia and other countries of the Commonwealth of Independent States. The raw material was dried according to standard methods. One group of samples was treated with ultrasound, while the other served as control. Both groups underwent a sensory evaluation and were tested for moisture and vitamin C. Results and discussion. The rose hips were dried in a combination steam oven with a built-in ultrasonic wave generator. The research revealed the following optimal parameters of the ultrasound drying process: frequency of ultrasonic vibrations – 22 kHz, processing time – 2.5 h, temperature in the combination steam oven – +56°C, initial moisture content – 30%. The resulting product met the requirements of State Standard. The loss of moisture was 57%. According to State Standard 1994-93, the initial moisture content should be 15% or less. Time decreased from 360 min to 160 min, and the initial moisture was 13%. The experiment confirmed the initial hypothesis that ultrasonic treatment improves the drying process by improving quality indicators and preserving vitamin C in raw materials using. Conclusion. Ultrasound treatment during moisture removal from rose hips provides a resource-saving technology that fulfills an economically and socially important function.

scholarly journals Development of Advanced High Strength Automotive Steels

2021 ◽  
Vol 4 (1) ◽  
pp. 9-17
Author(s):  
Miklós Tisza
Keyword(s):  
Automotive Industry ◽  
First Generation ◽  
Driving Forces ◽  
Raw Materials ◽  
High Strength Steels ◽  
High Strength ◽  
Point Of View ◽  
Raw Material ◽  
Advanced High Strength Steels ◽  
Harmful Emissions

Abstract In recent decades, the automotive industry has faced ever-increasing demands. Increasing requirements can be observed in terms of both consumer expectations and legal requirements. On the consumer side, there is a demand for cars that are as economical as possible with lower fuel consumption, but providing also greater comfort and safety. These requirements are accompanied, from a legal point of view by more rigorous environmental regulations and requirements concerning the reduction of harmful emissions. Meeting these often-contradictory requirements is a growing challenge for car manufacturers and raw material suppliers, as well. Meeting the requirements in the most versatile way has resulted in tremendous progress over the last 40–50 years, both in the automotive industry and in the production and development of raw materials. The first part of this series of papers summarizes the main requirements in the automotive industry, as the main driving forces for material developments. Furthermore, the main types and properties of traditional high-strength steels, as well as the so-called first-generation Advanced High-Strength Steels will be introduced. In the second part, the main types and manufacturing processes of second generation advanced high-strength steels will be analyzed and some of the current steel developments will be presented through the results of the three generations of Advanced High-Strength Steels.

scholarly journals Substantiation of the ratio of biofuel and kerosin in the mixture for its application as aviation fuel

2020 ◽  
Vol 23 (3) ◽  
pp. 17-28
Author(s):  
V. M. Samoylenko ◽  
K. I. Gryadunov ◽  
A. N. Timoshenko ◽  
S. Ardeshiri
Keyword(s):  
Quality Indicators ◽  
Alternative Fuels ◽  
Raw Materials ◽  
Alternative Fuel ◽  
Economic Feasibility ◽  
Point Of View ◽  
Aviation Fuel ◽  
Civil Aviation ◽  
Negative Consequences ◽  
Fuel Prices

Today, technologies for the production of alternative fuels and for the development of engines on different operating principles are actively developing, due to both the tightening of the environmental requirements of ICAO (International Civil Aviation Organization) for harmful emissions into the atmosphere and the depletion of non-renewable resources, and the interests of the oil importing countries. Strict requirements are imposed on the quality of aviation fuels related to ensuring the reliability of aviation technology and flight safety. Requirement toughening for quality indicators will inevitably lead to higher fuel prices, so today we can observe some concessions in domestic and foreign regulatory documents to certain quality indicators of aviation fuels, for example, to indicators of low-temperature properties. It follows that the use of petroleum fuels will sooner or later become inappropriate. Technologies to produce synthetic and biological fuels from various types of raw materials make it possible to obtain fuel with close quality indicators to traditional kerosene, but it has not yet been completely replaced. Therefore, today we are considering the use of alternative fuels in a mixture with petroleum kerosene in various proportions. The question remains open: in what proportion is it possible to use mixtures of alternative fuel with kerosene on the aircraft without any negative consequences for their operation. Based on the known dependencies, a mathematical model is proposed for calculating some operational indicators of fuel, engine and aircraft depending on the proportion of mixing alternative fuel and kerosene. In accordance with the calculations, the most rational ratio of petroleum kerosene and SPK fuel is substantiated both from the point of view of the necessary operational properties and from the point of view of economic feasibility.

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