TAILIEUCHUNG - ORGANIC CHEMICAL INDUSTRY STEAM CRACKING SYNOPSIS SHEET

Microbial spoilage is manifested by a variety of sensory cues such as off-colours, off- odours, off- flavours, softening of vegetables and fruits, and slime. However, even before it becomes obvious, microbes have begun the process of breaking down food molecules for their own metabolic needs. Sugars and easily digested carbohydrates are used first, plant pectins are degraded. Then proteins are attacked, producing volatile compounds with characteristic smells such as ammonia, amines, and sulfides. This may be accompanied by the production of a wide range of metabolites which includes: alcohols, sulphur compounds, ketones, hydrocarbons, fluorescent pigments, organic acids, esters, carbonyls, and diamines | 1 Organic chemical industry steam cracking ORGANIC CHEMICAL INDUSTRY STEAM CRACKING SYNOPSIS SHEET Prepared in the frame work of EGTEI Synopsis-sheet-steam-cracking-151005 2 Organic chemical industry steam cracking 1. ACTIVITY DESCRIPTION AND EGTEI 2. EUROPEAN 3. METHODOLOGY DEVELOPED WITHIN EGTEI TO REPRESENT THE Definition of the reference Definition of emission abatement Primary Secondary 4. COUNTRY SPECIFIC DATA TO BE 5. DEFAULT EMISSION FACTORS AND COST DATA DEFINED WITH THE EGTEI 6. RELEVANCE OF EGTEI INFORMATION FOR INTEGRATED ASSESSMENT MODELLING IAM .7 7. PERSPECTIVE FOR THE 8. EXAMPLE OF DATA COLLECTION AND USE OF EGTEI DATA - CASE OF A. COUNTRY SPECIFIC DATA COLLECTION AND SCENARIO CLE B. TRENDS IN EMISSIONS AND TOTAL COSTS OF THE CLE Synopsis-sheet-steam-cracking-151005 3 Organic chemical industry steam cracking 1. Activity description and EGTEI contribution In order to estimate costs of NMVOC emission reduction in the organic chemical industry it was decided to split it into 4 sections and to consider an illustrative example for representing each of these sections 1 . The four sections are as follows The steam cracking process with naphtha as feedstock and ethylene and propylene as products is considered as the illustrative example taken into account for representing all the production of lower olefins ethylene propylene butanes and butadienes . Within the EC there are 50 steam crackers and these are located on 39 sites 2 . The PVC suspension process for representing a production of chemicals with sanitary impact. A process of the downstream chemistry for representing production of chemicals except the steam crackers the PVC production and the speciality chemical industry. This production can be also representative of no sanitary impact unit. Production of .

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