Use of New Water Soluble Surface Film—Forming Material to Reduce Ammonia Loss from Water Solution

Anewwatersolublesurfacefilm-formingmaterialwasdevelopedanditseffectonreducingammoniavolatilizationfromanalkalinesolutionwasinvestigatedinlaboratory,Resultsshowedthatthenewfilmformedbythematerialwasnotonlymoreeffectiveinreducingammonialossthananyotherfilmstestedbutalsomuchcheaper.Theoptimumamountofadditionofthenewfilm-formingmaterialwasabout10timesthetheoreticalamounttoformamonomolecularfilm.Undertheexperimentalconditions,thenewfilmcouldeffectivelydepresstheammoniavolatilizationforatleast6days.Thecumulativeammonialossratesfordifferentfilmswerefittedtoasimplelogisticequation,andsomeimportantparameterssuchasthecumulativeloss,andthemaximumandaveragevolatilizationrateswerecalculated.Theeffectofdifferentfilmscouldbe,therefore,comparedquantitatively,indicatingthenewfilmwasmosteffectiveindepressingammoniavolatilization.