scholarly journals Features of process of preliminary grind of cellulose-containing materials

2019 ◽  
Vol 104 ◽  
pp. 01012
Author(s):  
Tatyana Onoiko
Keyword(s):  
Technological Process ◽  
Raw Materials ◽  
Hydrodynamic Cavitation ◽  
The Real ◽  
Real Work

In the real work, features of technological process of preliminary grind of cellulose-containing materials raw materials are analysed and features of the existing technologies are considered. The expediency of use for grind of cellulose raw materials by a without knife way of influence by hydrodynamic cavitation in the electromechanical transformer with a discrete secondary part is presented.

МODERNIZATION TECHNOLOGY REPAIRING ACENTRIFUGAL WATER PUMP

2018 ◽  
pp. 48-51
Author(s):  
Sh.U. Yuldashev ◽  
D.T. Abdumuminova
Keyword(s):  
Production Process ◽  
Technological Process ◽  
Energy Efficient ◽  
Technical Support ◽  
Ultrasonic Processing ◽  
Water Pump ◽  
The Real ◽  
Technological Processes ◽  
Efficient Management ◽  
Pump Shaft

The article provides an overview of the principle of the pump D630-90, as well as methods for studying the real conditions of technical support to improve maintainability and optimize technological processes and systems. A technological process for the restoration of the shaft of a centrifugal water pump has been developed and an algorithm for managing it has been proposed, on the basis of which the system for energy-efficient management of the recovery area has been implemented. Also in the article some questions of use, metal-filled compound SK812, and also application of ultrasonic processing of a surface of a shaft of the centrifugal water pump of mark D630-90 are mentioned and considered. The developed technological process of pump shaft restoration showed that it is characterized by simplicity, it fits well into the production process of repair and can be widely used in repair shops.

The Meditations

2017 ◽  
Author(s):  
Walter Ott
Keyword(s):  
Perceptual Experience ◽  
Developmental Reading ◽  
Basic Structure ◽  
Brain Image ◽  
The Real ◽  
The Third ◽  
Real Work ◽  
Sensible Qualities ◽  
The Brain

Despite its difference in aspiration, the Meditations preserves the basic structure of perceptual experience outlined in Descartes’s earliest works. The chapter explores Descartes’s notion of an idea and uses a developmental reading to clear up the mystery surrounding material falsity. In the third Meditation, our protagonist does not yet know enough about extension in order to be able to tell whether her idea of cold is an idea of a real feature of bodies or merely the idea of a sensation. By the time she reaches the end of her reflections, she has learned that sensible qualities are at most sensations. As in his earliest stages, Descartes believes that the real work of perceiving the geometrical qualities of bodies is done by the brain image, which he persists in calling an ‘idea,’ at least when it is the object of mental awareness.

Influence of microbiological biofilm on the technological process of sugar production

2021 ◽  
Vol 9 (16) ◽  
pp. 221-228
Author(s):  
Tamila Sheiko ◽  
Keyword(s):  
Technological Process ◽  
Raw Materials ◽  
Sugar Industry ◽  
Rapid Development ◽  
Storage Conditions ◽  
Metal Corrosion ◽  
Comparative Characteristic ◽  
Sugar Production ◽  
Microbial Biofilms ◽  
Yield And Quality

During the processing of frozen and thawed sugar beets, invert sugar, in particular glucose and fructose, accumulates in them. This is due to the process of hydrolysis of carbohydrates. As a result of temperature fluctuations, beets lose elasticity, and tissue walls become soft. The activity of microorganisms intensifies on damaged beets. In the sugar industry, harmful microorganisms enter the production with raw materials, water, unwashed soil and air. Under improper storage conditions of raw materials the rapid development of microorganisms begins leading to sugar loss. The microflora of raw materials in sugar production is due to spore-forming and non-spore-forming bacteria, as well as micromycetes. Processing in the production of such raw materials is complicated. This leads to non-rhythmic operation of the sugar factory, technological processes and metal corrosion of technological equipment. Sugar yield and quality are significantly reduced. An important factor is the protection from the formation of microbial biofilms. The article considers the problem of formation of microbial biofilm in the process of obtaining diffusion juice in the sugar industry. The structure of the biofilm and its stability over time are considered. Under the conditions of active biofilm formation, uncontrolled unaccounted losses of sucrose are observed. Under conditions of low-quality beet processing, biocides and enzymes must be used in the production. They reduce the contamination of intermediate products by microorganisms, greatly facilitate the technological process. They also allow you to predict unaccounted sugar losses and improve its quality and yield. The article considers the effect of different types of biocides on dextran, which is an example of the formation of microbial biofilms. The comparative characteristic of influence of biocides on dextran is given and their resistance is noted.

scholarly journals A fine desintegration of plants suitable for composite biofuels production

2012 ◽  
Vol 49 (No. 1) ◽  
pp. 7-11 ◽  
Author(s):  
J. Souček ◽  
I. Hanzlíková ◽  
P. Hutla
Keyword(s):  
Energy Consumption ◽  
Technological Process ◽  
Material Properties ◽  
Statistical Evaluation ◽  
Raw Materials ◽  
Correct Choice ◽  
Input And Output ◽  
Input Material ◽  
Wide Range ◽  
Average Size

In case of pressed composite biofuels production the important part of the production process is the input row materials disintegration. In dependence on disintegrated material properties, disintegration device, grinding stage and technological process there is in practice necessary for disintegration of culm materials 0.5–7% and of wooden species even 0.75–10% of total energetical content of material. A wide range of these figures means that in this sphere of raw materials adaptation can be reached relative high savings through correct choice of technological process and device. The authors of the paper have measured energy consumption of fine disintegration of lignocellulose materials in dependence on particles size and moisture. By the realized measurement of different average size of both input and output particles and consequent statistical evaluation was proved the fiducial energy consumption increase at higher stage of disintegration and higher moisture of the input material. All measurements were carried-out for the grinding mill ŠK 300 and the output particles size was limited by the exchange sieves mesh dimension.

scholarly journals CERTIFICATION OF VEGETABLE OILS AND QUALITY CONTROL IN THE TECHNOLOGICAL PROCESS OF PRODUCTION

2019 ◽  
Vol 2019 (4) ◽  
pp. 119-126
Author(s):  
CH Bekmurotov ◽  
Keyword(s):  
Quality Control ◽  
Technological Process ◽  
Vegetable Oils ◽  
Raw Materials ◽  
Cottonseed Oil ◽  
Product Classification ◽  
Cotton Seeds ◽  
The Cost

The article reviewed the certification and quality control of the technological process for the production of vegetable oil. There is a procedure for packaging, quality control of products, determination of quality indicators and quality control of finished products. The procedure for using refined cottonseed oil and its varieties, the requirements for placement and storage of vegetable oils, as specified in the regulatory documents, the quality control of vegetable oils and other solutions for cottonseed oil are provided. The gas analyzer shows a solution for measuring the amount of solution by painting the tubes of a mixture of gas and air in oil. Detailed information on the production of vegetable oils, the cost of raw materials, the level of fat content of cotton seeds and the methods used to produce oil from cotton seeds. Methods for certification of vegetable oils, types of quality control, methods of testing and quality determination are presented. It was shown that the procedure for refined production of cottonseed oils and their types, as well as the state of the product classification of products based on the method of producing vegetable oils for consumer purposes, analysis of the sequence of refined oils and refining processes.

scholarly journals Novel Affordable, Reliable and Efficient Technologies to Help Addressing the Water-Energy-Food Nexus

2019 ◽  
Vol 8 (4) ◽  
pp. 1 ◽  
Author(s):  
Francesco Meneguzzo ◽  
Federica Zabini ◽  
Lorenzo Albanese ◽  
Alfonso Crisci
Keyword(s):  
Food System ◽  
Raw Materials ◽  
Sustainable Consumption ◽  
Processing Parameters ◽  
Hydrodynamic Cavitation ◽  
Strong Basis ◽  
Global Challenge ◽  
Wide Range ◽  
System Sustainability ◽  
Experimental Trials

Improving the food system sustainability and security is becoming an urgent global challenge. In this regard, one of the most effective routes is the shift of the human diet toward healthier and more sustainable consumption, involving in particular the prevalence of plant-based raw food materials. Controlled hydrodynamic cavitation (HC) technologies could help considerably in this transition. HC techniques are gaining increased scientific interest, and are quickly spreading across a wide range of technical fields, recently showing surprising performances with biological raw materials related to the food, agricultural and forestry sectors and resources. HC processes enjoy recognized advantages in the acceleration of the processing steps of plant-based food, the extraction of valuable bioactive compounds, the reduction and the valorization of waste streams, as well as the superior efficiency in resource use, energy consumption, process yield, and exergy balance than competing processes. Thus, HC is very promising candidate to help addressing the water-energy-food nexus, and, ultimately, sustainability. Findings obtained from direct experimental trials and recent literature concerning the applications of HC to food processing, provide a strong basis for novel investigation aimed at standardization, starting from the identification of the most suitable devices and the optimal processing parameters, eventually oriented to further spreading of HC applications.

scholarly journals TINJAUAN HUKUM EKONOMI SYARIAH TERHADAP SISTEM PENJUALANBERJENJANG PADA PAYTREN PT. VERITRA SENTOSA INTERNASIONAL BANDUNG (STUDI MITRA PAYTREN DI PALU)

2020 ◽  
Vol 1 (1) ◽  
pp. 89-112
Author(s):  
Nurul Wahidah
Keyword(s):  
The Real ◽  
Business Partners ◽  
Economic Law ◽  
Real Work ◽  
The One ◽  
Work Done

The results of this study indicate that the PayTren tiered sales system in Palu has almost fulfilled the sales criteria in sharia economic law such as the fulfillment of pillars and requirements in selling and buying, there are no elements of maisir, immorality, or money games, there is no excessive sale of products that can harm. consumers, companies also provide ujrah according to the real work done by business partners, and there is no passive bonus. However, there are still elements of usury and gharar and the company has not yet fully provided comfort for its partners who make losses on the one hand.It is hoped that the company will pay more attention to and improve technicians in solving problems experienced by its partners and the company must also maintain a tiered sales system that is truly sharia in order to avoid buying and selling transactions that are prohibited by sharia. The partners are also expected to be able to maintain the good name of the company by always following the guidelines that have been made by the company and the regulations that apply in Indonesia.

scholarly journals State and prospects of competition, communications and logistics of agro-food products

2021 ◽  
Vol 262 ◽  
pp. 03017
Author(s):  
Hadis Rakhaev ◽  
Anzor Gyatov ◽  
Zalina Ivanova ◽  
Elvira Kokova ◽  
Akhmat Chochaev
Keyword(s):  
Communication Systems ◽  
Raw Materials ◽  
Agricultural Products ◽  
Real Situation ◽  
The Real ◽  
Logistics Networks ◽  
Chemical Products ◽  
The Government ◽  
Set Up ◽  
New Criteria

Communication and logistics are one of the most important features of the markets; they permeate and constitute its content. Communication and logistics for commodity producers are also as important attribute as production itself, and sometimes even more. For this reason, commodity producers themselves directly and explicitly, but more often through other institutions (including the government), tend to set up stable exclusive communication systems and logistics. This article analyzes the state of the prospects for the formation of communications and logistics networks for agricultural products. The correlation of existing communications and logistics of agricultural products and other types of products (including finished industrial products of various purposes: from machinery, equipment, chemical products to defense, hydrocarbon, carbon and other raw materials, timber and other goods) is analyzed. The established linkages are revealed. They were quantified, calibrated and classified. The existing principles (comparative and absolute advantages) are reviewed and new principles are formulated (marginal player, marginal linkages), which describe the real situation in the markets of agricultural products more correctly. New criteria for grouping and reformatting existing communication and logistics networks, which make it possible to increase the competitiveness of domestic agricultural products are proposed.

scholarly journals Analysis of the criteria of efficiency of work of separators for the field of hydrocarbon raw

2019 ◽  
pp. 114-119
Author(s):  
Valeriy V. Piven ◽  
Vladislav S. Shchelkonogov
Keyword(s):  
Technological Process ◽  
Raw Materials ◽  
Comprehensive Assessment ◽  
Technological Scheme ◽  
Qualitative Composition ◽  
Separation Processes ◽  
Process Flow ◽  
Multi Stage ◽  
Flow Diagrams

Assessment of the quality of separation of hydrocarbon raw during its field preparation is necessary to determine the efficiency of the entire technological process of preparation. The absence of complex criteria for assessing the quality of separation for multi-stage processes does not allow one to obtain unambiguous solutions in justifying the process flow diagrams and equipment for separation. We have analyzed the typical technological scheme of separation of hydrocarbon raw materials and existing criteria for separation processes. It is proposed to use the criterion for a comprehensive assessment of the separation processes of hydrocarbon raw materials, allowing calculating the efficiency of the process, taking into account the possible production of intermediate fractions and their qualitative composition

Sign in / Sign up

Export Citation Format

Share Document