2) Follow some scientific papers (they are more specific and present detailed results in this area). You can also easily find many of them in the internet.
3) Visit any manufacturing plant that produces paper and talk to emploees about real technical and organizational problems they have...
Paper is taken from the bin and deposited in a large recycling container along with paper from other recycling bins. The separated paper is then washed with soapy water to remove inks, plastic film, staples and glue. The paper is put into a large holder where it is mixed with water to create 'slurry'.
Paper is made through the following processes: Pulping procedure will be done to separate and clean the fibers. the steps involved in the pulp and paper making procedure involves (i) preparation of raw material, (ii) seperation of of fiber, (iii) bleaching process and (iv) paper making procedure.