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Jiang T.,China Institute of Atomic Energy | Yao J.,China International Engineering Consulting Corporation
He-Huaxue yu Fangshe Huaxue/Journal of Nuclear and Radiochemistry | Year: 2012

237Np is considered a possible long-term potential threat for environment, because of its long half-life, high toxicity and its mobile nature under aerobic conditions due to the high chemical stability of its pentavalent state. Therefore 237Np is considered as one of high-level radioactive waste and need to be disposed in deep geologic disposeal repository. The chemical behavior of Np in environmental is concerned. The research on Np environmental chemistry is focus on concentration, speciation and migration behavior in the environment, especially in the deep geological environment. Recent inverstigation progress on the solubility and migration behavior of Np has been summarized in this paper. This paper focuses on research results of the solubility, hydrolysis, complexation reactions and adsorption behavior on the mineral, and then review the recent progress of adsorption mechanism research works. Some proposals for Np environmental chemistry research are also been suggested.

Zhang W.,China International Engineering Consulting Corporation
Natural Gas Industry | Year: 2010

Since the natural gas market is rapidly developing, decision makers should have the foresight in the infrastructure construction to make sure a certain spare supply capacity and storage quantity to a sustainable degree. In regions without the condition of building the underground natural gas storage tanks, the planning of an LNG project is an effective countermeasure to achieve the goals of gas storage, peak shaving, and emergency supply. The developing trend of the global natural gas market has brought a new concept into the present LNG project construction in China. Some suggestions related to domestic LNG projects are put forward. These suggestions focus on the concept of LNG project construction, supplementing the LNG in stock to increase the capacity in quantity for gas supply and peak shaving, the need to support more LNG receiving stations to be built connected to the gas pipeline, and strengthening the LNG infrastructure.

Li H.,Peking University | Xie M.,Central University of Finance and Economics | Xie M.,China International Engineering Consulting Corporation | Zhang T.,Central University of Finance and Economics
Renewable and Sustainable Energy Reviews | Year: 2013

It is highly significant for China to improve its development of wind power. In order to promote the sustainable development, a more comprehensive evaluation of factors affecting the effectiveness of investment in the industry wind power is required to be conducted to formulate a relatively stable policy supporting mechanism for the development of wind power. Based on the green accounting framework, this paper evaluates a typical wind power project from economic, environment and energy alternative respects comprehensively. We simulate the main factors influencing cost and benefit of the wind power investment with the Monte Carlo method. Finally, we discuss how to promote wind power with respect to the concern of government, investors and environmentalists. © 2013 Published by Elsevier Ltd. All rights reserved .

Qi J.-L.,China International Engineering Consulting Corporation
Xiandai Huagong/Modern Chemical Industry | Year: 2012

Based on the shortage of water resources in China and large water consumption in petrochemical industry, the necessity and possibility of utilizing seawater in petrochemical industry are discussed. The utilization of seawater in petrochemical industry is suggested to comply with the development schemes of circular economy, combine the seawater desalination and direct utilization, focus on the seawater desalination and operate by water/electricity mode. The promotion of comprehensive utilization of seawater resources and development level of circular economy for petrochemical industry can be fulfilled by the achievement of enterprise water with high quality.

Li Z.,Shandong University | Han X.,Shandong University | Han L.,China International Engineering Consulting Corporation | Kang K.,Yantai Power Supply Company
Dianli Xitong Zidonghua/Automation of Electric Power Systems | Year: 2010

Considering a regional grid with several wind farms integrated, the total wind power has a better regularity comparing to that of a single wind farm. An ultra-short-term wind power forecasting method is proposed based on the concepts of total wind power and distribution factor. The least-square support vector machine (LS-SVM) and Kalman filter are adopted respectively to forecast the total wind power and distribution factor recursively, so that the good regularity of total wind power can be restored. Case studies show that the method not only improves the forecasting accuracy but also reduces the distribution range of the forecasting errors. © 2010 State Grid Electric Power Research Institute Press.

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