DETERGENT PRODUCTION TECHNOLOGY

2021 ◽  
pp. 74-76
Author(s):  
Н.К. КЕНШИЛИКОВА ◽  
А.Т. КОНЫРБАЕВА ◽  
Ш.А. ЕГИЗБАЕВА ◽  
Н.О. МАКАШЕВА ◽  
Н.Т. АШИМОВА
Keyword(s):  
Synthetic Detergent ◽  
Water Cycle ◽  
Electrochemical Treatment ◽  
The Other ◽  
Chemical Parameters ◽  
Colloidal Structure ◽  
Closed Water ◽  
The One ◽  
Physical And Chemical

Работа предназначена для комплексного решения задач синтетического моющего производства: Обеспечение качества мойки, очистки. Каждая из этих проблем требует соблюдения соответствующих физико-химических параметров раствора, подходящих, с одной стороны, для образования мицеллы (при промывке), с другой - для разрушения коллоидной структуры раствора и выделения поверхностно-активных веществ (ПАВ) и загрязняющих веществ при очистке сточных вод. В работе изучены условия электрохимической обработки моющих растворов для повышения качества мойки и эффективной очистки. Полученные результаты позволили представить технологическую технологию, основанную на замкнутом круговороте воды. В качестве регулирующего агента рекомендуется использовать электролиты, которые обеспечивают дезинфекцию моющих растворов без значительной минерализации. The work is intended for a comprehensive solution of the problems of synthetic detergent production: Ensuring the quality of washing and cleaning. Each of these problems requires compliance with the appropriate physical and chemical parameters of the solution, suitable, on the one hand, for the formation of micelles (during washing), on the other - for the destruction of the colloidal structure of the solution and the release of surfactants (surfactants) and pollutants during wastewater treatment. The paper studies the conditions of electrochemical treatment of cleaning solutions to improve the quality of washing and effective cleaning. The results obtained allowed us to present a technological technology based on a closed water cycle. As a regulating agent, it is recommended to use electrolytes that provide disinfection of cleaning solutions without significant mineralization

scholarly journals Ultrafiltration Process in Disinfection and Advanced Treatment of Tertiary Treated Wastewater

Membranes ◽  
2021 ◽  
Vol 11 (3) ◽  
pp. 221
Author(s):  
Rafał Tytus Bray ◽  
Katarzyna Jankowska ◽  
Eliza Kulbat ◽  
Aneta Łuczkiewicz ◽  
Aleksandra Sokołowska
Keyword(s):  
Wastewater Treatment ◽  
Wastewater Treatment Plants ◽  
Microscopic Analysis ◽  
Fecal Coliforms ◽  
Treated Wastewater ◽  
Chemical Parameters ◽  
Virus Particles ◽  
E Coli ◽  
The One ◽  
Physical And Chemical

The paper presents the results of research on the use of ultrafiltration, using membranes of 200 and 400 kDa separation, for disinfection of municipal treated wastewater. The research was conducted on a fractional technical scale using real municipal treated wastewater from two large wastewater treatment plants treating most of the wastewater over the one-million polycentric Gdańsk agglomeration (1.2 million inhabitants). UF 200 kDa and UF 400 kDa processes enabled further improvement of the physical and chemical parameters of treated wastewater. Total phosphorus (to below 0.2 mg/L–UF 200 kDa, 0.13 mg/L–UF 400 kDa) and turbid substances (to below 0.2 mg/L, both membranes) were removed in the highest degree. COD was reduced efficiently (to below 25.6 mgO2/L–UF 200 kDa, 26.8 mgO2/L–UF 400 kDa), while total nitrogen was removed to a small extent (to 7.12 mg/L–UF 200 kDa and 5.7 mg/L–UF 400 kDa. Based on the reduction of indicator bacteria; fecal coliforms including E. coli (FC) and fecal enterococci (FE) it was found that the ultrafiltration is an effective method of disinfection. Not much indicator bacterial were observed in the permeate after processes (UF 200 kDa; FC—5 CFU/L; FE—1 CFU/L and UF 400 kDa; FC—70 CFU/L; FE—10 CFU/L. However, microscopic analysis of prokaryotic cells and virus particles showed their presence after the application of both membrane types; TCN 3.0 × 102 cells/mL–UF 200 kDa, 5.0 × 103 cells/mL–UF 400 kDa, VP 1.0 × 105/mL. The presence of potentially pathogenic, highly infectious virus particles means that ultrafiltration cannot be considered a sufficient disinfection method for treated wastewater diverted for reuse or discharged from high load wastewater treatment plants to recreational areas. For full microbiological safety it would be advisable to apply an additional disinfection method (e.g., ozonation).

scholarly journals Burnout in Professional Caregivers and Quality of Life in Institutionalized Center Residents

2013 ◽  
Vol 4 (1) ◽  
pp. 41-53
Author(s):  
Juan P. Martínez ◽  
Inmaculada Méndez ◽  
Esther Secanilla ◽  
Ana Benavente ◽  
Julia García Sevilla
Keyword(s):  
Quality Of Life ◽  
Ad Hoc ◽  
Maslach Burnout Inventory ◽  
The Other ◽  
People With Dementia ◽  
Professional Caregiver ◽  
The One ◽  
Shed Light ◽  
Professional Accomplishment

Starting from previous studies in professional caregivers of people with dementia and other diseases in institutionalized centers of different regions, the aim of this study was to compare burnout levels that workers present depending on the center, to create a caregiver profile with high professional accomplishment and to describe the quality of life that residents perceive Murcia and Barcelona. The instruments used were the Maslach Burnout Inventory (MBI), the Professional Caregiver Survey developed ad hoc and the Brief Questionnaire of Quality of Life (CUBRECAVI in Spanish) on residents. The results show, on the one hand, that levels of professional accomplishment may be paradoxically higher in the case of catastrophe and, on the other hand, the 98.2% of users are satisfied with the residence in which is located and 81.8% with the manner in which occupy the time. The conclusions that are extrapolated from the study shed light on the current situation of workers and residents and the influence that an earthquake can have on them.

scholarly journals Hydrothermal treatment of sprout-damaged grain: I. Effects on the technological quality of wheat

1978 ◽  
Vol 50 (3) ◽  
pp. 240-253
Author(s):  
Christina Westermarck-Rosendahl ◽  
Hannu Salovaara
Keyword(s):  
Amylase Activity ◽  
The Other ◽  
Processing Conditions ◽  
Falling Number ◽  
Gluten Quality ◽  
Heat Treated ◽  
Technological Quality ◽  
The One ◽  
Increasing Temperature

Two sprout-damaged wheat lots with the falling number values of 91 and 65 were heat-treated by immersing the grain in water of temperatures of 80, 85, 90 and 100°C, followed by rapid chilling in water. The purpose of the treatment was to suppress the excess a-amylase activity in the outer layers of the kernels. The a-amylase activity following the treatment was measured by the falling number test. The increase in the falling number value was the greater the longer the treatment lasted and the higher the water temperature was. Processing lasting 30 sec at 80, 85, 90 and 100°C increased the falling number value of the one lot from 91 to 105, 117, 133 and 238 and of the other lot from 65 to 69, 70, 98, 163, respectively. As the falling numbers increased the wet gluten content of the samples decreased. These changes had a negative correlation. The gluten quality showed heat damage when the amount of gluten had dropped by about 5 and 2 precentage units in the lots with the falling numbers 91 and 65, respectively. This occurred at processing of the lot of better quality for 70, 20, 13 and 6 sec in the order of increasing temperature. The corresponding durations for the other lot were above 60, 30, 20 and 6 sec. During these treatments the falling number values rose from 91 to 104—129 and from 65 to 70—71. These results were confirmed by farinogram and extensigram determinations and by baking tests. The same processing conditions affected more severely the lot having the better initial quality than the lot with greater sprout damages.

scholarly journals A STUDY TO ACCESS THE PHYSIO-CHEMICAL PARAMETERS OF WATER QUALITY OF SELECTED PONDS FROM THREE DISTRICTS OF TAMIL NADU, INDIA

2021 ◽  
Vol 21 (2) ◽  
Author(s):  
Kamalasan Prathap- Mathan ◽  
Joseph Babila- Jasmine ◽  
Muthukumar Thilagavathi
Keyword(s):  
Tamil Nadu ◽  
Microbial Contamination ◽  
Renewable Resource ◽  
Chemical Parameters ◽  
Chemical Examination ◽  
Physiochemical Parameters ◽  
The Earth ◽  
Living Organisms ◽  
Physical And Chemical

Water is the most abundant and non-renewable resource in the earth, which play an important role in all living organisms. A study on physiochemical parameters of Manur, Vallanadu and Sundarapandiapatinam ponds from Tirunelveli, Thootukudi and Ramanathapuram districts of Tamil Nadu, India, has addressed the seasonal changes. During the month of January to April samples from Manur was chemically portable, Vallanadu sample was physically portable, Sundarapandiapatinam samples were physically and chemically not portable. During the month of May to August Vallanadu and Manur samples were portable by its physical and chemical examination, Sundarapandiapatinam samples were non portable by its physiochemical property. September to December the samples from all the three ponds were non portable because of exceeding the permissible limit. All the samples were bacteriologically unsafe in nature because of its microbial contamination. This implies the water bodies are not fit for domestic and drinking purpose, thus proper management has to be done by the society and implement government guidelines to save the natural resources from manmade activities.

scholarly journals The Management Mode and Personnel Quality of International Students Management in Colleges and Universities

2019 ◽  
Vol 3 (3) ◽  
pp. 26
Author(s):  
Yuhong Chen ◽  
Xiaozhuo Huo ◽  
Nannan Chen
Keyword(s):  
International Students ◽  
Foreign Students ◽  
Colleges And Universities ◽  
The Other ◽  
Management Mode ◽  
Internationalization Of Education ◽  
Major Trend ◽  
The Times ◽  
The One

<p>The education system of colleges and universities is in the process of reform, and the internationalization of education has become a major trend of development. The number of foreign students is increasing, so the management of foreign students must be reformed. According to the current situation, in the management of foreign students, on the one hand, we should carry out a new management mode for foreign students in accordance with the requirements of the times; on the other hand, we should pay attention to improving the comprehensive quality of foreign students and those who stay in China.</p>

scholarly journals QUALITY EVALUATION OF SOME BOTTLED WATERS AVAILABLE IN IRAQI MARKET

2021 ◽  
Vol 25 (4) ◽  
pp. 13-22
Author(s):  
Mohammed A. Rashid ◽  
◽  
Nagam O. Kariem ◽  
Keyword(s):  
Quality Evaluation ◽  
Trade Mark ◽  
International Standards ◽  
The Other ◽  
Fecal Coliforms ◽  
Physical Chemical ◽  
Trade Names ◽  
Ph Range ◽  
Physical And Chemical

This study was intended to evaluate the quality of some bottled waters available in Iraqi market, by testing their physical, chemical and biological characteristics. These samples produced by four companies during the period of December- 2016 to April-2017. The selected companies had the biggest sells and were under the trade names of AlluLua, Ala, Alwafi, and Venesia. The results showed that most bottled waters samples characteristics were in compliance with Iraqi and international standards, with some superiority in water quality for the trade mark Allulua upon the other companies, but the trade mark Ala was at the end of the list of quality rank. All the tested samples showed clean bacteriological results for coliforms as pollution indicators and fecal coliforms (all tests MPN was less than 1.1). The other physical and chemical characteristics showed pH range of 6.21 ~ 7.7, TDS of 12.81 ~ 126.88 mg/L, Ca of 0.24 ~ 25.5 mg/L, Mg of 3.2 ~ 13.1 mg/L, Na of 0.92 ~ 23 mg/L, K of 0 ~ 0.39 mg/L, Hardness of 3.8 ~ 38.2 mg/L, and chloride of 3.55 ~ 35.5 mg/L.

Effects of the Degree of Maturity on the Chemical Composition, Physical Characteristics and Sensory Attributes of Peach (Prunus persica) cv. Caterin

2005 ◽  
Vol 11 (5) ◽  
pp. 345-352 ◽  
Author(s):  
A. I. Cascales ◽  
E. Costell ◽  
F. Romojaro
Keyword(s):  
Sensory Quality ◽  
Prunus Persica ◽  
Sensory Attributes ◽  
Soluble Solids ◽  
Chemical Parameters ◽  
Colour Intensity ◽  
Physical And Chemical Parameters ◽  
Degree Of Maturity ◽  
Physical And Chemical

Sensory quality of peach during ripening to assess the best state for consumption was analysed. Physical and chemical parameters commonly used for establishing the commercial quality of this fruit were also determined: Soluble solids, acidity, sugars, organic acids, chlorophyll, carotenoids, resistance to compression and to penetration and colour. Relationships among these parameters and sensory characteristics were also analysed. A panel of eight trained assessors evaluated intensities of 12 sensory attributes (1 for odour, 2 for colour, 4 for flavour and 5 for texture). The sensory attributes selected allowed the description of perceivable differences between peaches of different degrees of maturity, although the variation in intensity of the attributes followed different trends. Colour intensity increased and acidity, firmness and crispness decreased significantly with ripening. Intensity of flavour, sweetness and fruitiness increased significantly from the under-ripe to semi-ripe states, and then decreased on reaching ripeness. It can be concluded that the most suitable time for harvesting and consumption of this peach variety was the state described herein as semi-ripe, and that a high correlation existed between colour intensity and hardness and the instrumental measurements of colour and texture.

The Way of Integrating Art Appreciation Course into the Talent Cultivation of Tobacco Profession

2021 ◽  
Vol 7 (6) ◽  
pp. 6207-6212
Author(s):  
Zou Mi ◽  
Liu Peng ◽  
Fang Lu
Keyword(s):  
Colleges And Universities ◽  
The Other ◽  
Art Appreciation ◽  
Aesthetic Quality ◽  
New Era ◽  
Training Plan ◽  
Training Quality ◽  
Public Curriculum ◽  
The One

Integrating the art appreciation course into the talent cultivation plan of tobacco profession has become the major way for colleges and universities to implement aesthetic education. This is also one of the reform measures of public curriculum in colleges and universities in the new era. By clarifying the concept connotation and policy requirements of the art appreciation course, and combining the talent training characteristics of tobacco profession, the construction of tobacco profession can be promoted. By doing this, on the one hand, it is conducive to consolidating the talent training plan of tobacco profession. On the other hand, it can cultivate the artistic ability of students majoring in tobacco, expand their artistic knowledge, and effectively build up their aesthetic quality and artistic level. As the consequence, the talent training quality of tobacco profession can be improved.

“Network Process Re-Engineering” in a Home Textile Network

2011 ◽  
pp. 212-234
Author(s):  
Enrico Baraldi ◽  
Giancarlo Nadin
Keyword(s):  
Complex Network ◽  
The Other ◽  
Coercive Power ◽  
Business Network ◽  
Network Process ◽  
Change Projects ◽  
The One ◽  
Complex Coordination

This chapter relies on a case study featuring the business network around Stella, an Italian home textile manufacturer, to illustrate the challenging issue of engaging other firms into complex “Network Process Re-engineering” (NPR) projects. While the strict technological dimension of selecting, developing, and implementing ICT solutions is certainly very important and poses several challenges to this type of projects, this chapter focuses on other types of challenges, namely those pertaining to the nature and quality of relationships between the actors taking part in a NPR project. We stress the importance of the connection between the specific inter-organizational activities that need to be redesigned and coordinated in better ways, on the one hand, and the bonds existing among the actors, on the other hand. We suggest that very advanced and complex coordination tasks, entailing sensitive communication patterns, can be tackled only if supported by strong, integrative relationships characterized by high trust and commitment between the involved parties. We conclude by discussing how the pivotal firms or the “strategic centers” of a network can support and facilitate complex change projects like NPR by carefully combining different strategies, whereby they both exert coercive power and make concessions to their counterparts in the network.

Using Concept Mapping to Improve the Quality of Learning

2010 ◽  
pp. 316-336
Author(s):  
Maria Luisa Pérez Cabaní ◽  
Josep Juandó Bosch
Keyword(s):  
Concept Mapping ◽  
Learning Strategies ◽  
Concept Maps ◽  
The Other ◽  
The European Union ◽  
Quality Of Learning ◽  
European Higher Education ◽  
The One ◽  
Work Done

The European Higher Education Area, created to contribute to the development of quality education and encourage cooperation between Member States of the European Union, has created an opportunity for reflection on teaching methods in universities. These circumstances provide momentum for the use of learning strategies. Along these lines, this chapter presents work done on concept mapping, one of the methods that could significantly help prepare both students and teachers for the new roles expected of them. The results of two lines of study are presented: on the one hand, research that analyses the influence of the differential use of concept maps on the quality of learning; and on the other, an innovation in the use of concept maps in a course developed in the area of initial teacher training. Both initiatives serve to highlight increased interest in concept mapping in the field of learning and especially in collaborative learning.

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