scholarly journals Design for Fabrication of Effective Seed Cane Hot Water Treatment Plant for Ethiopian Sugar Estates/Projects

Author(s):  
Endale Wondu
2020 ◽  
Vol 7 (3) ◽  
pp. 351-361
Author(s):  
ASM Golam Hafeez ◽  
Fakir Azmal Huda ◽  
Sheikh Mohammad Sayem

The present study aims at examining the effectiveness of the training on “Application of Improved technology of postharvest handling of Mango”. The research was conducted in three upazilas of Chapainawabganj district- a leading mango growing region of Bangladesh. A total of 50 respondents were selected randomly from the list of the trainees taking 25 from each of the trader‟s and farmer‟s group. The data were collected from the selected respondents employing direct interview method using pre-designed, pre-tested interview schedule. Both descriptive and statistical analysis was used in analyzing the data. The findings of the study revealed that majority of the respondents (94%) were educated and belonged to young aged group of 23-40 years. The study showed that before receiving the training, the postharvest losses at farm and traders‟ level accounted for 28.12% and 21.80%, respectively and after receiving training, the postharvest losses reduced to 12.68% at farm and 8.52% at traders‟ level which was significant at 95% level of confidence. The findings also revealed that after obtaining training, income of respondents had increased significantly by 25.47% at farm and 16.48% at traders‟ level. The study identified important problems faced by the respondents such as lack of capital, costly and unavailability of BARI (Bangladesh Agricultural Research Institute) mango harvester and hot water treatment plant in the market and limited access to institutional credit. If these constraints were removed, postharvest losses of mango could be reduced substantially thus ensuring increased sustainable income for both mango cultivators and traders. A pool of master trainers should be developed to train a large number of mango cultivators and stakeholders on this important issue, government should provide institutional credit to the mango farmers and traders at an ease terms and condition, BARI mango harvester and hot water treatment plant should be made available at an affordable price to the farming community and traders in mango growing regions of Bangladesh Res. Agric., Livest. Fish.7(3): 351-361,  December 2020


2019 ◽  
Vol 10 (1) ◽  
pp. 16
Author(s):  
V. MANE-DESHMUKH PRASHANT ◽  
B. MORE ASHWINI ◽  
B. P. LADGAOKAR ◽  
S. K. TILEKAR ◽  
◽  
...  

2017 ◽  
Vol 16 (10) ◽  
pp. 2303-2315 ◽  
Author(s):  
Djamel Ghernaout ◽  
Abdelmalek Badis ◽  
Ghania Braikia ◽  
Nadjet Mataam ◽  
Moussa Fekhar ◽  
...  

2008 ◽  
Author(s):  
Angelina Johnston ◽  
Kevin O'Connor ◽  
Todd Criswell

2001 ◽  
Vol 1 (3) ◽  
pp. 91-96 ◽  
Author(s):  
L.J. Hem ◽  
E.A. Vik ◽  
A. Bjørnson-Langen

In 1995 the new Skullerud water treatment plant was put into operation. The new water treatment includes colour removal and corrosion control with an increase of pH, alkalinity and calcium concentration in addition to the old treatment, which included straining and chlorination only. Comparative measurements of internal corrosion were conducted before and after the installation of the new treatment plant. The effect of the new water treatment on the internal corrosion was approximately a 20% reduction in iron corrosion and a 70% reduction in copper corrosion. The heavy metals content in standing water was reduced by approximately 90%. A separate internal corrosion monitoring programme was conducted, studying the effects of other water qualities on the internal corrosion rate. Corrosion coupons were exposed to the different water qualities for nine months. The results showed that the best protection of iron was achieved with water supersaturated with calcium carbonate. Neither a high content of free carbon dioxide or the use of the corrosion inhibitor sodium silicate significantly reduced the iron corrosion rate compared to the present treated water quality. The copper corrosion rate was mainly related to the pH in the water.


2002 ◽  
Vol 2 (1) ◽  
pp. 233-240 ◽  
Author(s):  
J. Cromphout ◽  
W. Rougge

In Harelbeke a Water Treatment Plant with a capacity of 15,000 m3/day, using Schelde river water has been in operation since April 1995. The treatment process comprises nitrification, dephosphatation by direct filtration, storage into a reservoir, direct filtration, granular activated carbon filtration and disinfection. The design of the three-layer direct filters was based on pilot experiments. The performance of the plant during the five years of operation is discussed. It was found that the removal of atrazin by activated carbon depends on the water temperature.


1991 ◽  
Vol 24 (10) ◽  
pp. 161-170 ◽  
Author(s):  
M. D. Sinke

Until a century ago, The Hague's waste water was discharged directly into the city's canals. However, the obnoxious smell and resultant pollution of local waters and beaches then necessitated the implementation of a policy of collecting and transferring waste water by means of a system of sewers. By 1937, it was being discharged, via a 400 metre-long sea outfall, directly into the North Sea. By 1967, however, the increasing volume of waste water being generated by The Hague and the surrounding conurbations called for the construction of a primary sedimentation plant. This had two sea outfalls, one 2.5 km long and the other 10 km long, the former for discharging pre-settled waste water and the latter for discharging sludge directly into the North Sea. This “separation plant” was enlarged during the period 1986-1990. On account of the little available area - only 4.1 ha - the plant had to be enlarged in two stages by constructing a biological treatment section and a sludge treatment section with a capacity of 1,700,000 p.e. (at 136 gr O2/p.e./day). In order to gain additional space, a number of special measures were introduced, including aerating gas containing 90% oxygen and stacked final clarifiers. Following completion of the sludge treatment section, it has become possible, since 1st May 1990, to dump digested sludge into a large reservoir (“The Slufter”), specially constructed to accommodate polluted mud dredged from the Rotterdam harbours and waterways. As a result of these measures, there has been a reduction of between 70% and 95% in North Sea pollution arising from the “Houtrust” waste water treatment plant. Related investment totalled Dfl. 200 million and annual operating and maintenance costs (including investment charges) will amount to Dfl. 30 million. Further measures will have to be taken in the future to reduce the discharge of phosphorus and nitrogen. So this enlargement is not the end. There will be continued extension of the purification operations of the “Houtrust” waste water treatment plant.


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