Advanced Materials Research Vol. 664

Abstract: This work was a trial to reduce the emission of the toxic methyl nitrite gas by a modified absorption process and reutilize the wastewater produced in the absorption process from a nitromethane synthesis plant in laboratory scales. In the modified gas treatment experiment, it was found that, after a 90 minute circulation period, the uptake of methyl nitrite into NaOH solution was 21.4% more than traditional method. The wastewater reuse experiments consisted of a three step process: pretreatment, desalination and reuse. NaNO2, the salt reclaimed from attapulgite (ATT) and powder active carbon (PAC) decolored wastewater through desalination, was reused as raw material in nitromethane synthesis. The synthesis efficiency using NaNO2 recovered from ATT decolored wastewater was 78.7% and the purity of raw product was 98.3%. The corresponding results of PAC were 61.8% and 92.5% respectively. Considering the possibility of greater economic and environmental benefits to nitromethane manufacturers, the ATT pretreatment-desalination-reuse technology would be chosen for pilot-scale experiment.

Abstract: Synthetic nano-carbon-hydroxylapatite was used to remove methylene blue (MB) from aqueous solution. The influence of various parameters such as reaction time, initial dye concentration and pH on the adsorption was investigated in batch mode and the adsorption mechanism was briefly discussed. The experimental results show that the uptake of MB was rapid and equilibrium could be reached in 30 minutes, and the uptake of MB increased with increasing initial dye concentration and pH. The pseudo-second-order model fits well to the kinetics and Henry adsorption isotherm can be used to describe the experimental data. The adsorption mechanism can be explained mainly by electrostatic attraction.

Abstract: The ecological psychology is interdisciplinary between ecology, psychology and ecological philosophy. Ecological psychology made trying to find the relationship of human minds crisis and the Earth's ecological crisis, and looking for the psychological roots of the ecological crisis. The ecological psychology has opened up a whole new perspective and research methods for post-traumatic psychological recovery and correctly handle the relationship between man and nature. Post-traumatic psychological resilience in an eco-psychology perspective should be as a guided by the theory of ecological psychology, starting from ecological psychology of post-traumatic resilience, to build eco-psycho- therapy system of green eco led, to achieve harmony between man and nature; reconstruction positive life philosophy, pay attention to trauma ,continue to growing. Ecological Psychology rise in the 1990s.Ecological psychology is within historical context of increasingly serious global environmental problems, influenced by trend of thought of post-modernism, guided by values of ecological philosophy, to explore the solution of the ecological crisis by the psychological and behavioral dimensions. Ecological psychology is an interdisciplinary between ecology, psychology and ecological philosophy. Ecological psychology made trying to find the relationship of human minds crisis and the Earth's ecological crisis, and looking for the psychological roots of the ecological crisis. Ecological psychology made positively efforts to explore the root causes of these crises encountered by the human society and human psychology.As a new crossed research areas, ecological psychology has opened up a new perspective and research methods for post-traumatic psychological recovery and correctly handle the relationship between man and nature, it has a significant value to deepen environmental awareness, strengthen environmental education and research and application of expand psychology.

Abstract: Low-carbon textile still concerns environmental problems. Lowcarbon will ultimately focus on the energy efficiency, process to update and the emissions of businesses. At this stage other forms of energy still cannot be applied, so energysaving and emission reductionhave become the highest importance and feasibility in low-carbon textile. In this paper,based on the visits of the main textile enterprisesand relevant government departments in Quanzhou, we track the footprint of enterprise's carbon emissions, and preliminarily calculate the carbon emissions. After in-depth research and analysis, we discuss the energy-saving and emission reduction technologiesof Quanzhou's textile enterprisesand fiscal and taxation policies.

Abstract: Based on environmental statistics data from 2000 to 2010, characteristics and spatial distribution of the abrupt environmental pollution accidents were analyzed by using descriptive statistics and GIS methods. The results showed a decline in the frequency of accidents from 2000 to 2010. Abrupt environmental pollution accidents occurrence frequency in 2010 is only equivalent to 17.42% in 2000. More than 80% of the accidents occurred in the water and air pollution. Environmental pollution and destruction accidents centralized in western and middle parts of China, mainly in Hunan, Sichuan, and Guangxi. The most frequent types of accident were safety misadventure (27), followed by illegal sewage (22), layout problem (11), traffic accident (10), natural disaster (7), long term accumulation (5), and mismanage (3).Finally, conclusions are drawn concerning the need to improve the level of environmental risk prevention and control in the environmental pollution in China.

Abstract: The indicator system foundation for Strategic Environmental Assessment (SEA) is the important step for SEA to enter into practical application stage from theory study stage .The essence of found SEA indicator system is to found its specific assess details, which is assessment factor. In this study the characteristics of indicator system were analyzed and the basic principles and method for establishing the indicator system for SEA were created; Employed the environmental impact assessment for general plan of plain metropolis of China as an example, available indicator of SEA for sets urban master planning were established.

Abstract: Emergy is the condensation by the energy forming substances, is the new achievements of development of systems ecology and ecological economics in recent years. This article briefly describes the generating process of energy value theory and analysis methods, and makes a discussion on theory of emergy and regard the energy input of natural process as nature’s work. The value of substance is the condensation of work. Use the emergy as the main Dimensionless to measure the value, and regard natural ecosystems as natural capital. We discussed the new developments of the international ecology Emergy analysis methods and principles, and pointed out that the theoretical research and practical application has important scientific significance and application.

Abstract: Now, the renewable resources recycling system do not include the traction battery recycling in China, and there are also some problems in the existed recycling system. In the field of resource recycling, especially for battery recycling, the management system, laws and regulations, and technical standards have been behind of the developed countries. This paper from producers self-establish the recycling system, producers alliance self-establish the recycling system and producers recycling business commission mode to discuss the recycling model for traction battery.

Abstract: Based on the proposed evaluating index system of ecological security, some investigations on the status of ecological security of forest parks in Wenzhou city were carried out with the methods as data collection, field surveys and interviews. The result indicated there are many unsafe factors especially like wastewater treatment and economic development in community. Therefore, ecological security evaluation criteria were proposed to manage ecological security in China's forest parks, which will be of practical guiding significance for the sustainable development of forest tourism in China.

Abstract: The removal of the metal ions in the ceramic printing wastewater was influenced by using, stirring and precipitating of the solution pH, coagulant PAC, coagulant aid PAM and heavy metal scavenger. This experiment investigated the removal effect of the metal ions in the wastewater under different conditions. Flame atomic absorption spectrometry was adopted for the determination of the concentration of metal ions in the wastewater. The studies have shown that alkalization, PAC coagulation treatment have a role in the removal of metal ions in the ceramic printing wastewater. And the chromium and iron removal rate can reached 74.0% and 61.6% respectively. Heavy metal scavenger also have a better role in the removal of metal ions. And the chromium and iron removal rates were 82.3% and 76.2% respectively without dosing PAC. The number of reaction cell has no significant effect on the removal of metal ions.