Process to bring back in the solvent.Into the process of bringing metal back.Saphapkrot recovery process/spottedTo restore the catalytic process.Bringing sewage or other materials that are not used, then back again.
Led the solvents back into the metal back into the process to restore the acid / alkali recovery process catalyst , bringing wastes or other unused renewed.
The solvent process back process the metal back process back สภาพกรด / alkaline process to restore the catalyst filth or materials that do not use other back new