| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to a water treatment method. The method, which enables to use an aqueous medium in conditions of excluding considerable interference from metal ions, involves adding a phosphonate compound to the water. The phosphonate compound contains a certain phosphonate fragment and a fragment selected from a limited number of compounds; or hydrocarbon chains containing substitutes in form of aminoalkylene phosphonic acids; or alkylaminoalkylene phosphonic acids containing an active fragment which includes N, O and S.EFFECT: invention can be used in secondary oil recovery, inhibiting formation of salt deposits, treating water used for industrial purposes, treating paper mass and as an agent which binds metal ions into a chelate complex or dispersant.10 cl, 5 ex |
