it demand ecofriendly, no/less effluent, easy to handle in bulk,cost effective,no use of water etc.
What you are asking about requires pilot plant study or research regardless of the sizes of equipment to start with.
Usually, there are various preparation routes to an important compound such as 2-chloroethanol. One has to try some of them using the same method as given by each reference allowing for changes. At some stage, the researcher will find out the most reasonable method of preparation according to the set of criteria that ought to be followed.
Please have a look at this site & you will see a variety of possibilities that ought to be investigated if the starting materials are available at an accepted cost:
http://www.molbase.com/en/107-07-3-moldata-32820.html?pt=synthesis
2-Chloroethanol is produced by treating ethylene with hypochlorous acid: ... Otherwise chloroethanolis used in a number of specialized applications. Several dyes are prepared by the alkylation of aniline derivatives with chloroethanol. It is a building block in the production of pharmaceuticals, biocides and plasticizers.