The aim of the invention is to produce shaped detergent bodies which are very hard but also decompose rapidly. To this end, the inventive shaped bodies contain a dry-granulated effervescent system. According to the inventive method, an effervescent system is produced by dry granulation, mixed with other constituents of detergents to produce a preliminary mixture for pressing and then pressed. The effervescent system is preferably produced by agglomeration by pressing, preferably by roller-compacting, a mixture of one or more carbonates and/or hydrogencarbonate(s) and one or more acidifying agent(s).
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