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US4175015A Process for the removal of lead ions from formose 失效
从甲醛中除去铅离子的方法

Process for the removal of lead ions from formose
摘要:
This invention relates to a continuous or discontinuous process for the removal of catalytic quantities of lead ions from aqueous formose solutions by cationic electrodeposition. The process is preferably carried out with a constant current and in at least three stages, with lower current densities being maintained during the first and last stage than in the middle stages.
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