Cocheci, VasileVasileCocheciAnastasiu, AlexandruAlexandruAnastasiuBrinzei, EugenEugenBrinzeiDalea, VioricaVioricaDaleaMartin, AlexandraAlexandraMartinVlad, LidiaLidiaVlad2017-04-192017-04-192002-07-30Patent no. RO117783-Bhttp://hdl.handle.net/123456789/853Patent Assignee Name(s) and Code(s): INST CERC EPURAREA APELOR REZIDUALEThe preparation of calcium poly-sulfides comprises boiling of milk of lime for 1 20 minutes at 951 00 degrees C with a sulfurization agent, for separation of the resulting calcium polysulfides. Industrial cokingplant sulfur giving a sulfur:lime:water ratio of 1 :1 .05:7.48 ratio by weight is introduced into the reaction mixture.en-USPreparationCalcium poly-sulfidesPreparation of calcium polysulfides consists of boiling of milk of lime, with sulfurization and addition of sulfurProcedeu de preparare si utilizare a polisulfurii de calciu.Patent