Kvasny Prumysl, 1975 (vol. 21), issue 10
Determining objectively the concentration of substances which can be salted out from beer with saturated solution of ammonium sulphate [sulphate test].Peer-reviewed article
G. BASAŘOVÁ, I. ČERNÁ, J. KOVAŘÍKOVÁ
Kvasny Prum. 1975; 21(10): 217-220 | DOI: 10.18832/kp1975027 
The authoresses have elaborated a reliable method for the determination of concentration of substances which can be salted out from beer with saturated solution of ammonium sulphate. The method known as "sulphate test" indicates the concentration of components which may be potential sources of colloid turbidity of beer. As a measuring unit used to classify the turbidity degree caused by a certain amount of saturated ammonia sulphate solution the authoresses accept 2 points of the EBC formazine turbidity standard. Turbidity reaching 2 points causes opalescence visually perceptible value when determinint the...
Rationalization measure taken in the field of energy consumption must be based thorough analyses.Peer-reviewed article
H. J. KOCH
Kvasny Prum. 1975; 21(10): 221-225 | DOI: 10.18832/kp1975028
In the first part of his article the author outlines briefly principles of the methods applied to analyze energy consumption and find ways to savings. Practical application is shown in an example of a big brewery in GDR. The article deals also with the indices to be applied and working out of plants of rationalization measures aimed at energy consumption.(In Czech, English summary only)
Continuous cultivation of microorganisms in installations with partial medium recirculation. Part. II.Peer-reviewed article
V. ©IMEK, F. ©TROS
Kvasny Prum. 1975; 21(10): 226-229 | DOI: 10.18832/kp1975029
In the first part of their article [see Kvasný průmysl (3)] the authors analyzed the concentration of medium, paying attention only to inhibitors present in the liquid phase. They also presented the balance of waste water. The second part of the article deals with a specific system of recirculation characterized by the presence of inhibitors both in liquid and gaseous phases. Since it is extremely difficult to find in available literature any reliable values of activity coefficients required for calculating the percentage of inhibitor escaping with air, the authors outline the method which can be applied to measure and calculate the value of coefficient...
Quality of defoamers used in yeast industry.Peer-reviewed article
E. PÍ©
Kvasny Prum. 1975; 21(10): 230-233 | DOI: 10.18832/kp1975030
In connection with the modernization of aerating installation and with the switch to new technology, viz. to dense mash, the Trenčín yeast plant had to solve the problem of efficient defoamers. Defoaming preparation used at present, i.e. Ista D2 , though very accurately metered and added in sufficient quantities, fails in certain phases of fermentation process to suppress foam formation and it is necessary to reduce the intensity of aeration. The results of comparative tests carried out with a number of quality defoamers confirm insufficient quality of Ista D2. The author outlines briefly the mechanism of foam generation and function...
Bottling thermally stabilized wine.Peer-reviewed article
J. JANIGA, A. DOBO©, M. VALACHOVIČ
Kvasny Prum. 1975; 21(10): 233-235 | DOI: 10.18832/kp1975031
The authors suggest new methods of sterile bottling which meet steadily increasing requirements put to bottle wine and to guarantee period. In near future wine industry will modernize its bottling lines incorporating into them some improved elements recommended by the authors.(In Slovak, English summary only)