scholarly journals Development of agro-industrial eco-model (aicem) for production of raw coconut jelly sector in Mekong Delta

Author(s):  
Tran Thi Hieu ◽  
Le Thanh Hai ◽  
Tra Van Tung ◽  
Le Quoc Vi ◽  
Nguyen Thi Phuong Thao ◽  
...  

The argo-industrial model producing of closed ecosystem in Mekong Delta is a development in the world. In this paper, the construction method outlined criteria identifys for the agro-industrial production model toward dual-closed ecological direction for coconut jelly processing facility. Set up criteria determines the impacts of production technology, the efficiency of using energy and natural resources, sustainable livelihoods, and the replicability of the model that will affect on the sustainability of the model. The research methodology was based on the results of surveys, investigation, and assessment of current model, and identifying a scientific basis for the set up criteria. Based on that, set up criteria was propose and application for a coconut jelly processing facility for Nguyen Thanh Trung household in Nhon Thanh commnune, Ben Tre city, Ben Tre province and recommend the solution for completed model based on eco-technique and closed matter & energy line. The results of the model meet all the requirements of the set up criteria. The quality of water supply meets the standards for coconut jelly processing. Treated wastewater by aquatic plants system meets the standard for wastewater discharges into the water resource. Water comsumption was saved and reduced the greenhouse gas emissions from burning wood for coconut jelly processing. The production costs were saved, resulting increasing income for household. This is pilot the perfected model to expand to other facilities.

2013 ◽  
Vol 726-731 ◽  
pp. 3073-3076
Author(s):  
Zheng Zhong Wu ◽  
Jun Ping Liu ◽  
Jing Jin

The system of urban water supplying network which is very indicate and large-scale has complex spatial information and attributes, so the traditional method to manage the water supplying network is difficult to meet the actual needs of the network. Taking a urban water supplying network as an example, making full use of its powerful function of inquiring the data, analyzing and processing the spatial data, demonstrating interactively the data and graph of the geographic information system (GIS), the information management system of water supplying network based on ArcGIS is set up to achieve the goals of browsing the spatial data quickly, drawing the thematic map for the feedwater nodes, water supplying pipelines and other facilites. So it can improve the efficiency and quality of water supplying network management, and provide the scientific basis and technical support for the operation and maintenance of water supplying network and other daily management.


KOMUNITAS ◽  
2020 ◽  
Vol 9 (2) ◽  
pp. 140-148
Author(s):  
Abdul Najib

Current model of dakwah has to deal with complexity of challenges. In tacking such complexity, relevant and contextual approaches are necessarily needed. One of them is social capital based approach. This approach highlights aspects of trust and honesty, norm and values, networking, solidarity, responsibility, local wisdom, local culture, harmony and quality of life. The use of this approach has already been able to answer the challenge of current Dakwah. From the perspective of social capital, the use of basic values from it contributes to the dai’s credibility building. This credibility results in sustainable activities of dakwah and therefore, creates more effective results. The effectiveness of sustainable dakwah emphasizes on efforts to set up good self-image for the da’i and improved relevant relational patterns with the mad’u.


2005 ◽  
Vol 51 (10) ◽  
pp. 211-219 ◽  
Author(s):  
N. Oyama ◽  
J. Nair ◽  
G.E. Ho

An alternative method to conserve water and produce crops in arid regions is through hydroponics. Application of treated wastewater for hydroponics will help in stripping off nutrients from wastewater, maximising reuse through reduced evaporation losses, increasing control on quality of water and reducing risk of pathogen contamination. This study focuses on the efficiency of treated wastewater from an on-site aerobic wastewater treatment unit. The experiment aimed to investigate 1) nutrient reduction 2) microbial reduction and 3) growth rate of plants fed on wastewater compared to a commercial hydroponics medium. The study revealed that the chemical and microbial quality of wastewater after hydroponics was safe and satisfactory for irrigation and plant growth rate in wastewater hydroponics was similar to those grown in a commercial medium.


2010 ◽  
Vol 13 (3) ◽  
pp. 92-102
Author(s):  
Trung Duc Le

The industrial production of ethanol by fermentation using molasses as main material that generates large quantity of wastewater. This wastewater contains high levels of colour and chemical oxygen demand (COD), that may causes serious environmental pollution. Most available treatment processes in Vietnam rely on biological methods, which often fail to treat waste water up to discharge standard. As always, it was reported that quality of treated wastewater could not meet Vietnameses discharge standard. So, it is necessary to improve the treatment efficiency of whole technological process and therefore, supplemental physico-chemical treatment step before biodegradation stage should be the appropriate choice. This study was carried out to assess the effect of coagulation process on decolourization and COD removal in molasses-based ethanol production wastewater using inorganic coaglutant under laboratory conditions. The experimental results showed that the reductions of COD and colour with the utilization of Al2(SO4)3 at pH 9.5 were 83% and 70%, respectively. Mixture FeSO4 – Al2(SO4)3 at pH 8.5 reduced 82% of colour and 70% of COD. With the addition of Polyacrylamide (PAM), the reduction efficiencies of colour, COD and turbidity by FeSO4 – Al2(SO4)3 were 87%, 73.1% and 94.1% correspondingly. It was indicated that PAM significantly reduced the turbidity of wastewater, however it virtually did not increase the efficiencies of colour and COD reduction. Furthermore, the coagulation processes using PAM usually produces a mount of sludge which is hard to be deposited.


2017 ◽  
Vol 3 (1) ◽  
pp. 112-126 ◽  
Author(s):  
Ilaria Cristofaro

From a phenomenological perspective, the reflective quality of water has a visually dramatic impact, especially when combined with the light of celestial phenomena. However, the possible presence of water as a means for reflecting the sky is often undervalued when interpreting archaeoastronomical sites. From artificial water spaces, such as ditches, huacas and wells to natural ones such as rivers, lakes and puddles, water spaces add a layer of interacting reflections to landscapes. In the cosmological understanding of skyscapes and waterscapes, a cross-cultural metaphorical association between water spaces and the underworld is often revealed. In this research, water-skyscapes are explored through the practice of auto-ethnography and reflexive phenomenology. The mirroring of the sky in water opens up themes such as the continuity, delimitation and manipulation of sky phenomena on land: water spaces act as a continuation of the sky on earth; depending on water spaces’ spatial extension, selected celestial phenomena can be periodically reflected within architectures, so as to make the heavenly dimension easily accessible and a possible object of manipulation. Water-skyscapes appear as specular worlds, where water spaces are assumed to be doorways to the inner reality of the unconscious. The fluid properties of water have the visual effect of dissipating borders, of merging shapes, and, therefore, of dissolving identities; in the inner landscape, this process may represent symbolic death experiences and rituals of initiation, where the annihilation of the individual allows the creative process of a new life cycle. These contextually generalisable results aim to inspire new perspectives on sky-and-water related case studies and give value to the practice of reflexive phenomenology as crucial method of research.


2018 ◽  
Vol 28 (4) ◽  
pp. 484-497
Author(s):  
Phan Thị Kim Văn ◽  
Bùi Trần Vượng

The quality of water in Bac Binh according to chemical and microbiological analyses


Author(s):  
Santhosh K. M ◽  
S. Prashanth

Urban development, agricultural runoff and industrialization have contributed pollution loading on the environment.  In this study Hemavathi river water from a stretch from its origin point to its sangama was studied for pollution load by determining parameters of water quality like pH, Alkalinity,  Ca, Mg, Nitrate, TDS, BOD, COD , and the results were compared with WHO and BIS standards to draw final conclusion on the quality of water.


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