The economics of olefin production by the steam cracking process.

  • 127 Pages
  • 4.24 MB
  • English

United Nations , New York
Cracking process, Petroleum -- Refining --
ContributionsUnited Nations. Economic Commission for Europe.
The Physical Object
Paginationvi, 127 p.
ID Numbers
Open LibraryOL17102875M

Traditionally, olefin production depends mainly on natural gas processing products or crude oil fractions. The current leading technology for olefin production is steam cracking (SC). In this process, hydrocarbons that primarily originate from fossil resources are cracked at elevated temperatures in tubular reactors suspended in a gas-fired Cited by: Get this from a library.

The economics of olefin production by the steam cracking process. [United Nations. Economic Commission for Europe.;].

The steam cracking process, which employs petroleum fractions and natural gas liquids as feedstocks, is the dominant method for large-scale ethylene production worldwide. However, the improved economics of sucrose fermentation makes bioethanol a highly interesting alternative feedstock and puts the ‘bioethanol-to-ethylene’ (BETE) technology in the center of a biomass value chain covering.

Process of Steam Cracking Steam cracking is a petrochemical process in which saturated hydrocarbons are broken down into smaller, often unsaturated, hydrocarbons. It is the principal industrial method for producing the lighter alkenes (or commonly olefins), including ethene (or ethylene) and propene (or propylene).

North America's olefin production from steam crackers [20].

Description The economics of olefin production by the steam cracking process. FB2

Economics of carbon dioxide capture and light olefins are obtained from FCC process (as a byproduct), steam cracking of. Steam cracking for the production of light olefins, such as ethylene and propylene, is the single most energy-consuming process in the chemical industry.

Olefins Cracking New processes have been developed to increase the propylene to ethylene ratio, because today, the primary source of propylene is as a by-product from ethylene production and ethylene demand is growing more slowly than propylene demand. process economics evaluation is based on an in-depth process analysis and starts with a clear design basis and a PFD (process flow diagram).

PEP Reviews provide timely analysis of “hot issues” affecting the industry—from process technology to. cracking process: primary cracking, with the initial formation of paraffin and olefins; secondary cracking, with the formation of light products rich in olefins are formed.

TSC is an energy The economics of olefin production by the steam cracking process. book process: the specific energy consumption per kg of produced olefin is kcal/kg. FCC is a multi-component catalytic system, where the catalyst. The only source for new process analysis, PEP Reports and Reviews allow you to uncover the impact of changes in processes, feedstocks, energy prices, and government regulations on chemical and fuel production economics.

In addition, with the iPEP Navigator, you can generate process economics tailored to your project needs. Value chains in the petrochemical and the oil refining industry are strongly interrelated with regards to olefin production.

Details The economics of olefin production by the steam cracking process. PDF

An account is given on the production and the consumption volumes of the various C 4 hydrocarbons on a global basis, including an outlook for alternative, petrochemical and bio‐based processes for the production of C 4.

In addition, we compare the process economics of coal and methanol-based projects to those of naphtha steam cracking and propane dehydrogenation technologies for propylene production. Coal gasification consumes a large volume of process water and emits a large amount of carbon dioxide.

The proposed project includes construction of eight (8) new steam cracking furnaces and recovery equipment. The major pieces of recovery equipment include a quench tower, caustic wash facilities, a process gas compressor, a sour water stripper, a wet air oxidation unit, a deethanizer, an ethylene/ethane (C2) splitter, and a demethanizer.

The process is not intended to compete with steam cracking but, in areas where methane is abundant and cheap, this technology may provide a cost-effective way to convert natural gas to olefins. The production economics assessment in this report is based on a US Gulf Coast location.

However, an iPEP Navigator module (an excel-based computer costing model developed by IHS) is attached with this report to allow a quick calculation of the process economics for three other major regions also—Germany, Japan, and China.

Abstract —The Ethylene production process is one of the most important aspects of a petrochemical plant. The bulk of the worldwide annual commercial production of Ethylene is based on thermal cracking of petroleum hydrocarbons with steam.

This process is commonly called Steam cracking process. The preparation of α-olefins through steam cracking of wax from coal liquefaction was studied in this paper. Compare to the 54# petroleum wax having a highest α-olefin yield per pass of %, which is the widely used feed in the commercial α-olefin plants, the α-olefin yield per pass of coal wax was increased by % at the similar reaction conditions.

The MTO process converts crude methanol to olefins, which results in savings for a methanol purification section. Figure 2 shows the Advanced MTO process, which is a combination of the UOP/Hydro MTO process and the Olefin Cracking Process (OCP) by Total.

Globally, they are produced mainly by steam cracking of hydrocarbons, such as naphtha, propane and ethane. The methanol-to-olefins (MTO) process is an alternative approach to producing these light olefins from methanol feedstock, which can be derived from other raw materials, including natural gas, coal or biomass.

Agricultural Production Economics (Second Edition) is a revised edition of the Textbook Agricultural Production Economics publi shed by Macmillan in (ISBN ). Although the format and coverage remains similar to the first edition, many small revisions and updates have been made. All graphs have been redrawn using the latest in.

s produced in steam cracking, raffinate C 4 s from MTBE or butadiene extraction and C 4 s produced in FCC units.

In addition, C 5 feeds from refinery or cracker source can be utilized to give a further boost to propylene production from an olefins conversion unit. Advantages Process Features Process Benefits Converts pyrolysis C 4.

This compendium gives an overview of the technologies and economics in the production of olefins in the petrochemical industries. It highlights the options and costs for producing olefins using different technologies and different feedstocks at a time when the cost of carbon dioxide emissions are set to be included in the production : $ such as steam cracking have been developed in order to convert these compounds into more reac-tive unsaturated hydrocarbons, such as olefins and aromatics [5,6].

Steam cracking process Ethylene is almost exclusively produced by ther-mally cracking petroleum hydrocarbons in the pres-ence of steam (over 97% of the annual volume), in. production are naphtha and natural gas (ethane, propane, butane, etc.). The first step in the production of ethylene is to take the feedstock and crack it into ethylene and other various products in a furnace.

This process is called pyrolysis. Pyrolysis is the thermal cracking of petroleum hydrocarbons with steam, also called steam cracking. • Dynamic model between olefin production and heater MV • Obtained from step test and historical operation data Combined constraint model • Total hydrocarbon flow • Furnace yield and overall propylene / ethylene ratio • Coking rates • Total fuel consumption and total steam generation.

Theoretical basis for cracking reactions lead to more precise catalyst formulation Catalyst tailored to maximize a particular product •Focus used to be on gasoline •now more likely diesel yield or •increased olefin production Additives •Bottoms cracking •ZSM‐5 for increased C3 production.

Diolefins and actetylenes in C/sub 3//C/sub 4/ olefin streams can be selectively hydrogenated to produce high-purity mono-olefins for downstream polyolefin production. C/sub 3//C/sub 4/ olefin sources, fluid catalytic cracking (FCC), steam crackers, and dehydrogenation of C/sub 3//C/sub 4/ paraffins.

The MTO process is a novel route for light olefin production, especially ethylene and propylene. Comparing with the traditional way to produce olefins by steam cracking, this process offers benefits such as a more flexible range of ethylene‐to‐propylene ratio, higher selectivity toward light olefin, and mild reaction conditions.

Downloadable (with restrictions). Steam cracking for the production of light olefins, such as ethylene and propylene, is the single most energy-consuming process in the chemical industry. This paper reviews conventional steam cracking and innovative olefin technologies in terms of energy efficiency.

It is found that the pyrolysis section of a naphtha steam cracker alone consumes approximately. Two new steam-cracking processes developed by ExxonMobil and Saudi Aramco, respectively, allow petrochemical producers to essentially skip the refining process in converting crude oil directly to light olefins.

These new processes could potentially save refiners as much as $per-ton of. Minimal cracking Minimal conversion –10% to 20% typical Products suitable for further processing or final blending •Reforming, catalytic cracking, hydrocracking Hydrocracking Severe form of hydroprocessing •Break carbon‐carbon bonds •Drastic reduction of molecular weight.The feedstocks for steam cracking units range from light paraffinic hydrocarbon gases to various petroleum fractions and residues.

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The properties of these feedstocks are discussed in Chapter 2. The cracking reactions are principally bond breaking, and a substantial amount of energy is needed to drive the reaction toward olefin production.Olefin production: opportunities and challenges for chemical reaction engineering.

This lecture will give an overview of recent advances in the field of olefin production with focus on steam cracking. Both the present industrial production process as well as emerging technologies will be discussed.