PL76604B2

PL76604B2 -

Info

Publication number: PL76604B2
Application number: PL15992472A
Authority: PL
Priority date: 1972-12-29
Filing date: 1972-12-29
Publication date: 1975-02-28

Description

Stabilnosc chloru w preparatach otizymanych sposobem wedlug wynalazku jest bardzo wysoka, co widac z ponizszych wyników badan: Okres przechowywania w miesiacach 0 3 6 10 Zawartosc PreparatI 1,90 1,87 1,86 1,83 czynnego Preparat II 2,24 2,15 2,12 - chloru w PreparatIII 1,19 1,18 1,15 procentach Przyklad: 64 kg ortofosforanu trójsodowego dwunastowodnego suszy sie az do uzyskania ortofosfo¬ ranu dwuwodnego. Do reaktora wyposazonego w mieszadlo wlewa sie 8 litrów podchlorynu o zawartosci czyn¬ nego chloru 150 g/l i wodorotlenku sodu 20 g/l o^z 22 litry wody. Po wymieszaniu plynnych skladników dodaje sie stale mieszajac 33 kg ortofosforanu trójsodowego dwuwodnego, przy czym temperatura mieszaniny nie powinna przekroczyc 70°C. Po otrzymaniu jednorodnej plynnej masy wprowadza sie stale mieszajac 14 kg bezwodnego weglanu sodowego i po ponownym wymieszaniu 21 kg zmielonego metakrzemianu sodowego pie-76 604 3 dowodnego. Jednorodna mase wylewa sie do odpowiednich pojemników i po zestaleniu rozdrabnia na znanych sluzacych do tego celu urzadzeniach. Uzyskany produkt ma postac krystaliczna, latwo rozpuszcza sie w wodzie i zawiera okolo 1,2% czynnego chloru.Preparat ten nadaje sie do mycia i dezynfekcji róznego rodzaju sprzetu i urzadzen w przemysle spozyw- czym, a takze w niektórych innych galeziach gospodarki. Dodatek metakrzemianu sodowego jako inhibitora korozji pozwala na stosowanie preparatu równiez do mycia i dezynfekcji sprzetu i urzadzen wykonanych z two¬ rzywa tak wrazliwego na alkaliajak aluminium. PL PLThe stability of chlorine in the preparations obtained by the method according to the invention is very high, which can be seen from the following test results: Storage period in months 0 3 6 10 Content Preparation I 1.90 1.87 1.86 1.83 active Preparation II 2.24 2.15 2.12 - chlorine in Preparation III 1.19 1.18 1.15 percent Example: 64 kg of trisodium dodecahydrate are dried until obtaining dihydrate orthophosphate. 8 liters of hypochlorite containing 150 g / l of active chlorine and 20 g / l of sodium hydroxide with 22 liters of water are poured into a reactor equipped with a stirrer. After the liquid ingredients have been mixed, 33 kg of trisodium orthophosphate dihydrate are added with constant stirring, the temperature of the mixture should not exceed 70 ° C. After obtaining a homogeneous liquid mass, 14 kg of anhydrous sodium carbonate are introduced with constant stirring and, after re-mixing, 21 kg of ground sodium metasilicate pie-76 604 3 water. The homogeneous mass is poured into appropriate containers and, after solidification, it is ground on known devices used for this purpose. The obtained product has a crystalline form, easily dissolves in water and contains about 1.2% of active chlorine. This preparation is suitable for cleaning and disinfecting various types of equipment and devices in the food industry, as well as in some other branches of the economy. The addition of sodium metasilicate as a corrosion inhibitor allows the preparation to be used also for cleaning and disinfecting equipment and devices made of a material as sensitive to alkali as aluminum. PL PL

Claims

1. Patent claim 1. Method of obtaining an alkaline agent with cleaning and disinfecting properties and containing active chlorine stable during storage, characterized by the fact that trisodium orthophosphate containing no more than two grams of crystallization water in the granule, preferably obtained by drying orthophosphate trisodium dodecahydrate is added with constant stirring to the sodium or potassium hypochlorite diluted with water, using amounts of orthophosphate, hypochlorite and water determined so that there is 1/12 to 1/3 grammodule of sodium hypochlorite or 12 potassium hypochlorite for one gramm of orthophosphate to 15 gram molecules of water, after which the mass is mixed, solidified and ground, and after the mass has solidified, other compounds used as ingredients of washing preparations, especially silicates, phosphates and polyphosphates, carbonated sodium hydroxide and surface-active substances, can be added.

2. The method of obtaining an alkaline detergent with washing and disinfecting properties according to claim A method according to claim 1, characterized in that the alkalinity of the agent is controlled by a hypochlorite with a suitable sodium hydroxide content or by partial neutralization of the hypochlorite used for the preparation of the agent. PL PL