is equipped with a mixing loop 86 as shown in fig3 thus mixing of the preparation vessel 64 is continued throughout the introducing cycle via fluid circulation demonstrated by arrows in fig3 by circulation pump 88 through mixing loop 86 such devices and structures and equivalents thereof thus comprise u201c circulation means u201d and u201c mixing means u201d as used herein and in the claims other aspects of alternative embodiment 60 function as described above including the introduction of treatment material at high fluid shear introduction point 90 referring again to fig2 and 3 the method and system of the present invention also contemplate treating a textile material after introduction of a textile treatment material from the introduction system to the treatment system the treatment system comprises a treatment vessel a circulation loop and a circulation pump in a preferred embodiment the treatment system comprises a scf co 2 treatment system a textile material such as a hydrophobic textile fiber is placed in the treatment vessel a solution or suspension of treatment material is introduced into the treatment system at an introduction point from the introduction system as described above the flow represented by arrows in fig2 and 3 of the medium used in the treatment system e g scf co 2 flow is mediated by.