Effect of Asphalt Oxidation on the Stability of Asphalt–sulfur Blends

Abstract

Oxidation by air blowing for different periods of time was used to modify the physical properties of asphalt. The effect of this treatment on the compatibility of asphalt with sulfur was studied using microscopic examination of more than one-year aged samples. Improved compatibility of asphalt–sulfur blends was noticed with sulfur percentages of up to 15% by weight.     

Effect of the Structure of Cations and Anions of Ionic Liquids on Separation of Aromatics from Hydrocarbon Mixtures

1. Introduction Benzene is a key chemical in the chemical industry, used as the raw material for producing polymer precursors, solvents, dyes, drugs, herbicides, and so on. The world production of benzene is more than 2.0×107 tons/year (Vervalin, 1991; Weissermel and Arpe, 1993; Villaluenga and Tabe-Mohammadi, 2000). Before World War II, benzene was mainly produced from coal, but nowadays more than 90% is obtained from petroleum, mainly from catalytic reformates and FCC gasoline, and by …     

Analysis of China’s Crude Oil Supply and Demand in the Year 2010 and the Year 2020

1. Oil demand forecast 1.1 Forecast based on the elasticity coefficient method The annual oil consumption elasticity coefficient (η) for a given year is defined as the rate of increase in oil consumption for that year, divided by the rate of increase in …     

Analysis of China’s Crude Oil Supply and Demand in the Year 2010 and the Year 2020

Along with the speedy development of the economic growth in China, the shortage of oil and gas becomes more and more serious. Based on summarizing some related research results, the prediction of China’s oil demand and supply in the year 2010 and the year 2020 has been given in the paper. The oil supply and demand situation is discussed on three different levels. Accordingly, suggestions about the oil supply safety and the national economy safety strategies have been given.     

SINOPEC’s Independent MTO Technology in the Phase of Commercialization

On October 10, 2011 the 600 kt/a methanol-to-olefin(MTO) unit at the Zhongyuan Petrochemical Companywhich adopts the SINOPEC’s independent technology, habeen cranking out the qualified polymerization-grade ethylene and propylene products to achieve successful startupat the first attempt while meeting the goals on safety and     

Review of China’s Oil Market in the First Half

Market demand and supply(1) Crude oil production continued to rise slowly, while the output of most oil products decreased increasingly.     

Review of China’s Oil and Gas Policies in 2013

In 2013, oil and gas industry policies deepened, oil and gas pricing system improved, oil quality upgrading accelerated, the central government canceled approval examination and approval or delegated it to lower levels and a series of policies released such as supporting private capital entering the oil and gas industry and encouraging coal-bed methane （CBM） development. The Third Plenary Session of the 18th Communist Party of China （CPC） Central Committee has put forward that let the market play a decisive role in resource allocation, which will lead the development of oil and gas industry and enterprises toward a more act vigorous and competitive direction.     

Review and Outlook of China’s Oil Market in 2011

China’s economy grew rapidly in the first half of 2011, but the growth rate fluctuated and declined. China sped up economic restructuring, energy saving and emission reduction, development of new energy and alternative energy. International oil market fluctuated to some extent, and oil prices soared. China did not adjust domestic     

Review and Outlook of China’s Oil Market in 2012

In the first half of2012,the apparent consumption of crude oil and oil grew in China,and the growth rate went up again,the demand and growth rate of processed oil products fluctuated and declined,the processed crude oil and growth rate declined,     

Review of CNPC’s Performance in 2011

The year of 2011 had seen CNPC rise to a new level with its scale,capacity and international competitiveness by sticking to its strategy of pivoting around resources, marketing and internationalization,and planning the markets and resources both domestic and abroad as a whole,focusing on its major business and forging a green, international,and sustainable CNPC.The company has become a model for its win-win cooperation as it was actively shouldering its economic,political and social responsibilities,building up a positive image of integrity, reliability and respect.     

Economic Performance of China’s Oil and Petrochemical Industry in First Quarter

International oil price continued souring in the first quarter of 2008. It was bouncing up and down above $100/barrel and even getting close to $120/barrel by the end of April. Products related to energy and resources all responded with higher prices, triggering a general increase in cost of petroleum and petrochemical industry. World＇s economy was seriously affected by USA＇s subprime lending crisis, weakening US dollar, sullen stock markets, and etc, major economies lowered their expectations for economic growth rate. China also stipulated a series of adjusting policies, such as policies concerning labor costs, environment protection, export tariff rebate, and so on. Influences by the combination of the situation and new policies, plastic products and textile and other labor extensive sectors for export witnessed reduction of export and some petroleum and petrochemical products were over supplied than actually demanded.     

Model and methods for comprehensive measurement of the low-carbon status of China’s oil and gas enterprises

This paper establishes a model that would allow China’s oil and gas enterprises to scientifically evaluate and measure their low-carbon level and status. It considers various characteristics of China’s oil and gas enterprises and the implications of low-carbon development, and is based on an overall analysis of factors that influence the reduction of carbon emissions. In view of low-carbon economic theories and the general principles of an evaluation index system, a comprehensive system for measuring the low-carbon status of China’s oil and gas enterprises has been developed. This measurement system is comprised of four main criteria (energy structure, energy utilization, carbon emissions and utilization, and low carbon management) as well as thirty indexes. By the Delphi method and the analytical hierarchy process (AHP), the weight of the rules hierarchy and indexes hierarchy were determined. The standardized indexes were then integrated using a linear weighted sum formula, and a comprehensive formula for index measurement was established. Taking into account the status of low carbon development in the petroleum and petrochemical industry at home and abroad, an evaluation criterion is proposed comprising four levels: ideal low-carbon, economical low-carbon, medium-carbon and high-carbon, whose values were organized within the settings of [0, 1].     

Study of the Mechanical Properties of Al–Mg–Sc Alloy Specimens Prepared by Selective Laser Melting

Chemical and Petroleum Engineering - Results are provided for a study of specimen microstructure and strength properties obtained by 3Dprinting (selective laser melting) of Al–Mg–Sc...     

China’s Oil Imports and Exports in 2009

<正>The so-called imported oil dependence degree commonly refers to the proportion of oil imported to China’s oil consumption, which hit 56% in 2009 and has exceeded 50% in 2007. In the past two years, the     

China’s Oil and Gas Imports and Exports in 2012

In 2012,China's net import of crude was 268.7 million tons,which is 18.63 million tons higher than that of the previous year.Net import of refined products increased greatly as the naphtha import climbed up and gasoline and diesel import shrank.Net LPG import had been reduced gradually for the third year and the sharp rise of petroleum coke import lifted the net imports of other relevant products by 50％.The total net import of crude,refined products,liquefied gas and other products was increased by 7.9％,reaching 293.1 million tons.The share of imported petroleum on the nation's total oil product consumption was raised from 59.9％ in 2011 to 62.1％ (Fig 1).     

China’s Oil and Gas Policy in 2010

China has mapped out and adopted a series of energy policies during the 11th Five-Year Plan period and achieved good results,and thus accomplished the task of saving energy and reducing emissions,sped up energy development and optimized