14. Answer in detail

The acid slurry is then neutralised before being combined with soda ash and allowed to react for one hour

Now we get detergent powder.

Other ingredients such as trisodium phosphate (TSP), sodium tripolyphosphate (STPP), carboxymethyl chloride (or) cellulose, glauber’s salt, colour, perfume, brightener are then blended into the neutralised acid slurry with continuous mixing

Then the mixture is dried

First, the acid slurry is neutralised