This is a schematic process flow diagram of the processes used in a typical oil refinery. This process flow diagram (PFD) example was redesigned from the Wikimedia Commons file: RefineryFlow.png. [commons.wikimedia.org/wiki/File:RefineryFlow.png]
When can my baby eat shellfish? Shellfish can be a healthy part of your child's diet soon after she begins to eat solid food, usually when she's around 4 to 6 months. But if your baby has chronic eczema or a food allergy, talk to the doctor first before giving your baby shellfish.
Sicherer found that both fish and shellfish allergies were more commonly found among adults ages 40 to 60. Also: 1  6% of households had at least one person with a seafood allergy. 2  3% of adults had any seafood allergies, compared with 0.6% of children.3  4% of women had seafood allergies, compared with 2% of men.icherer found that both fish and shellfish allergies were more commonly found among adults ages 40 to 60. Also: 1  6% of households had at least one person with a seafood allergy. 2  3% of adults had any seafood allergies, compared with 0.6% of children. 3  4% of women had seafood allergies, compared with 2% of men.