Usage Urban Sludge to Closed Mine Reclamation and Slope Treatment

2014 ◽  
Vol 1049-1050 ◽  
pp. 300-303
Author(s):  
Hua Wei Liu ◽  
Tian Ju Yao

The development of mining activities had destructed and occupied a large amount of land resource, the ecological recovery has become one of the urgent problems of current world especially in China. Mine reclamation can revivify the utilization function of mining land, protect the farming land and renovate the ecologic environment. Zhu Ma-dian has rich mineral resources, part of the mine resources dried up after many years of mining activities, the reclamation of the closed mine pits and abandoned mine land is very urgent. This paper briefly introduces the use city sewage sludge to reclamation of the closed mine pits and abandoned mine land and treat high slope.

2015 ◽  
Vol 4 (2) ◽  
pp. 132-140
Author(s):  
Kola Odeku

Prospecting and exploiting natural mineral resources for economic growth and development could be beneficial if done in sustainable ways and manners. However, if the operation is done in such a way that cause harm to the environment and people, this will amount to unsustainable mining activity and anti-sustainable development. Therefore, there is need to ensure that appropriate and adequate plans and programmes are put in place in order to mitigate, minimise and avoid negative environmental impacts. Against the backdrop of these concerns and the need to ensure that the environment is not degraded and destroyed, South Africa, as part of the countries that promotes sustainable prospecting and mining has put in place and currently implementing tools known as environmental management plan and programme to regulate and control all prospecting and mining activities. These tools contain a bundle of remedial actions in the forms of compensation, rehabilitation and restoration of any harm done to the environment during the course of mining activities. They also contain information on mitigation, ingredients for good practice approach on how to conduct sustainable prospecting and mining. This article looks at the intrinsic roles of these tools and accentuates the importance and operations of their use in the decision making processes.


2021 ◽  
Vol 9 (1) ◽  
pp. 3201-3210
Author(s):  
Tedi Yunanto ◽  
Farisatul Amanah ◽  
Nabila Putri Wisnu

There are two regulations for mine reclamation success in the forestry area in Indonesia, namely Minister of Forestry Regulation No. P.60/Menhut-II/2009 and Minister of Energy and Mineral Resources Decree No. 1827.K/30/MEM/2018. Both regulations rule vegetation and soil success. This study aims to analyse criteria parameters from both regulations in the mine reclamation and compare them to the surrounding secondary natural forest (SNF). This study was conducted in 6 six types of mine reclamation stand structures: 1, 4, 6, 9, 11-year-old plantation and SNF using 1 hectare of the circular plot each (total 6 ha). Soil samples were collected from 40 cm depth to analyse physical, biological and chemical conditions. Mine reclamation areas had almost similar physical, biological and chemical soil conditions with SNF. Nevertheless, due to the potential acid-forming (PAF) material from overburden, the 1-year-old plantation had pH = 3.23-3.27. The highest diversity index and the number of species and families in all reclamation areas were H’ = 1.82 (11-year-old); 14 species (9-year-old); and 11 families (9-year-old), comparing with SNF were H’ = 3.48; 67 species, and 31 families. Conversely, vegetation structure parameters in mine reclamation areas were higher than SNF (diameter at height breast (DBH; 1.3 m) = 28.42 cm; tree density = 469/ha; basal area = 35.04 m2/ha; and total height = 16.85 m). Compared to the SNF, vegetation structure and soil conditions are mostly possible for mine reclamation success. Still, species composition needs to be considered further as a standard interval to meet the criteria.


2020 ◽  
Vol 8 (3) ◽  
pp. 213-223
Author(s):  
Sry Reski Mulka

With the availability of mineral resources in the form of coal in the city of Samarinda, it is an advantage for the city government in increasing regional income in the form of taxes and royalties, but with the existence of coal mining activities that have obtained an operating permit from the Samarinda City Government, it has triggered a conflict between the Samarinda City Government. with the local community. This conflict-related relationship cannot be separated from the ecological impacts caused by coal mining activities, in which the government has no commitment to maintaining the quality of the community's environment. In this study, the author wants to analyze how the dynamics of the conflict that occurs between civil society and the Samarinda City Government related to coal mining activities in Samarinda City. In the preparation of this study the authors used qualitative methods. he result of the research is that there is public distrust of the Derah Government in establishing relationships, in the aspect of negotiating the principle that there are differences in views between the government and residents regarding land management, and the needs of residents who are hindered due to the impact of coal mining.


Author(s):  
Nasruddin Nasruddin

Coal mining activities in Kutai Kartanegara Regency conducted in an open way. Number IUP announced by the Directorate General of Mineral and Coal, Ministry of Energy and the results reconciliation of Mineral Resources IUP with the 210 status Clean and Clear (C & C). The purpose of the study is to identify the characteristics and patterns of coal mining in Kutai Kartanegara Regency based landform units in order to see the distribution pattern of its spread. The method used the construct maps of landforms unit in Kutai Kartanegara Regency derived from Satellite Imagery Landsat 7 ETM + in 2012, A sheet of study area Indonesia Map, Geological Map, Soil type and field surveys Map using ArcGIS 9.3 facilities. The results showed that the characteristic of the coal mining in Kutai Kartanegara Regency is implemented by way of an open mining. With the status of the production details 151 IUP (72 %) and the exploration 59 IUP (28 %). Condition of the land of post coal mining in some areas showed low implementation of the rules set by the government for land reclamation, thus causing in high environment such as erosion, flooding and landslides. Unit landform with majority in the coal mining activities is wavy tectonic cluster. The cause of the pattern of coal mining activity tend to cause factors of the position / location of relatively shallow or have undergone a process of outcrops to the surface between 0-30 meters, easy access from the mine to the port. The research result recommendations is conducted anticipation program from the dangers of impact that occurs as erosion and sedimentation, water quality and soil (land potential), The licensing selection strictly refer to the legislation and in depth learning to identify a variety of potential post-mining land to be developed on the post-mining unit of the shape according to the character of the land


2021 ◽  
pp. 45-67
Author(s):  
Joanna Dingwall

Chapter 2 addresses the importance of the deep seabed beyond national jurisdiction and charts the rise in mining activities within it, drawing on scientific, geological and technological analysis, where appropriate, to place deep seabed mining in its broader context. In order to do so, Chapter 2 assesses the scope of the deep seabed beyond national jurisdiction (in contrast to the maritime zones under national jurisdiction, including the continental shelf). The chapter then examines the types of mineral resources that the deep seabed contains (including the potential for rare earth elements). Thereafter, the chapter explores the likely viability of deep seabed mining, both in terms of its impact on the marine environment, and in light of technological challenges and market prospects. Chapter 2 also provides an overview of the current extent of mining activities authorised by the International Seabed Authority (ISA).


Radiocarbon ◽  
2013 ◽  
Vol 55 (3) ◽  
pp. 1246-1251 ◽  
Author(s):  
Gianluca Quarta ◽  
Felice Larocca ◽  
Marisa D'Elia ◽  
Valentina Gaballo ◽  
Maria Macchia ◽  
...  

Grotta della Monaca is a karstic cave in Calabria (southern Italy) that plays an important role in reconstructing the oldest strategies for the acquisition of mineral resources in the Mediterranean. In fact, systematic archaeological excavations carried out by the University of Bari allowed the identification of intense prehistoric mining activities aimed at the exploitation of iron and copper ores. Archaeological evidence suggests different phases of frequentation of the cave spanning from the Upper Paleolithic, Neolithic, Copper and Bronze ages up to the Middle Ages. In order to establish an absolute timeframe for the different phases, a radiocarbon dating campaign was carried out and the results presented in this paper.


2011 ◽  
Vol 94-96 ◽  
pp. 460-463
Author(s):  
Jian Jun Yuan ◽  
Chuan Liang

Taking the example of the high slope treatment of JINPIN Hydropower Station of YA LONG River, in this paper the basic requirement,construction feature and forcing characteristic of the fastener steel-pile scaffold were introduced in detail, the scaffold setting up method of the working platform in slope treatment are designed, and the loading analysis, checking computation of the strength, rigidity and stability of primary members were making. At last, this paper adopted corresponding construction measure as per the uncertain factors. This paper can provide the design basis and reference for the similar scaffold engineering by the practice of this project.


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