batches can be made containing 6 22 less water than final water content this initial compositional u201c hole u201d is left for later addition of a viscosity salt modifier usually desired amounts of ae x s surfactant is added to a 2 gal container followed by caustic ingredients and some stabilizers after these ingredients are added agitation begins using a pitched blade impeller speed of the impeller was adjusted so that the components have good mixing without pulling too much vortex and entraining air into the liquid matrix rpm 100 400 use a 10 cm impeller diameter with a geometric ratio d t 0 4 next add the desired amount of las to the container while continuing to agitate add acids and builders which increased the heat load of the liquid matrix keep the temperature of the liquid matrix below 54 u00b0 c by adding small amount of water next add a performance enhancing additive such as the formula ii pei 5000 eo7po10 polymer to the liquid matrix and add any remaining water measure a portion of product for ph at a 10 w w aqueous solution make adjustments with either naoh or citric acid to keep the ph within the batch limits indicated above when the liquid matrix temperature reaches below 32 u00b0 f add the desired enzymes to form a liquid detergent composition add a viscosity salt modifier such.