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Journal : Health Notions

The Engineering of Chlorinating Device to Disinfect The Conventional Well Beny Suyanto; Sujangi Sujangi; Sigit Gunawan
Health Notions Vol 1, No 3 (2017): July-September
Publisher : Humanistic Network for Science and Technology (HNST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.838 KB) | DOI: 10.33846/hn.v1i3.53

Abstract

Well water is one of the main resource of drinking water for the large people, especially for those who do not abonnement of PDAM (The regional corporation which suplies water need). To determine whether the well water physically polluted or not, it can be done by testing the smell, colour and taste. Whereas, to know the level of pollution both chemically and biologically, laboratory test is performed. To purify water from pathogen bacteria, the cause of waterborne deseases, it is necessary to conduct disinfecting activity to make well water safe to drink by the people. This study was experimental research. The purpose of the research was to design a chlorine injection device applied in a conventional well water, to make it safe to consume by the people. The research design was one group pre and post-test design. Then the effectiveness of the function of the device was analyzed by identifying the difference of concentration of the disinfectant (chlorine) to produce chlorine residue, smell, taste and the decrease of colifom bacteria from well water, in line with the standard of Ministry of Health No. 492 /Reg.IV/2010 about the qualification of the quality of drinking water. The result of the research on the dimension of device chlorine injection, in the form of PVC pipe 2 dm³ and 50 cm in length, completed by silicate sand (3 kg). PVC Ø ¾ , cap, doublé screw sock, disinfectant chlorine and the wieght of device is 3,6 kg. Working principle of this device was the putting of chlorine diffusely in the well wáter. The chlorine injection device type A with the chlorine concentration 10.39 g was sable to desinfect well wáter for 6 days with the average chlorine residue 0.212 ppm. While, chlorine injection device type B was able to desinfect well wáter for 16 days by using 20.97 g of chlorine. The capacity of the device was for 1000 L and the device will make the well wáter inodorous, tasteless, and free from coliform bacteria, this is in line with the standard of Ministry of Health No. 492 /Reg.IV/2010 about the qualification of the quality of drinking water. To increase the capacity of function of chlorine injection device, it is important to conduct a testing on well water in rainy season , the volume of water more than 1000 L, the content of chlor in the chlorine, the endurance of the divice, and the different level of pollution. Keywords: Conventional well water, Chlorine residue, Chlorinating
Cow Manure Biogas Stove Design with Burner and Blower Performance for Housing Needs Scale Hurip Jayadi; Sujangi Sujangi; Beny Suyanto
Health Notions Vol 3, No 5 (2019): May
Publisher : Humanistic Network for Science and Technology (HNST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (150.973 KB) | DOI: 10.33846/hn30504

Abstract

Biogas is a renewable energy that is environmentally friendly, easy to obtain and can be updated. The technology is simple and the energy produced can be used technically, socially, and economically especially to solve energy problem in rural area. The purpose of this research was to produce a biogas stove performance with appropriate technology that can be utilized by the community. This experimental research method was designing biogas stoves with performance using 2 variations of blower (3 watt and 6 watt) and two burners that is 2 mm and 4 mm. To know the performance of biogas stove, a test is done, that is : Water boilling test. The dimension was the biogas stove, the body of the stove was made of zinc (9x38x70 cm) with two furnaces, Ø 0.5 mm iron tube distribution, 2 and 4 mm burners, 3 and 6 watt blowers, gas lighters. The results of water boilling test was stove power with fire hole Ø 2 mm blower 3 watt (0.446630 KW) and efficiency (60,54982%); fire hole Ø 2 mm blower 6 watt (0.705517 KW) and efficiency (55.86828%); fire hole Ø 4 mm blower3 watts (0.913373 KW) and efficiency (54.45203%); fire hole Ø 4 mm blower 6 watts (1.231190 KW) and efficiency (51.06681%). The performance of the biogas stove showed that the smaller the hole is Ø (2 mm), the smaller the power will be, and more efficient. The greater use of the blower (6 watts) was, the greater power will be but more inefficient. These stoves can be utilized by the community especially those with biogas. For more minimal performance, cheap, durable and easy to use needs further research. Keywords: biogas stove; digester; blower and burner
Design of Chlorinator Using Submersible Pump with Solar Cell for Flowing Water Disinfection Sujangi Sujangi; Rusmiati Rusmiati; Beny Suyanto
Health Notions Vol 1, No 3 (2017): July-September
Publisher : Humanistic Network for Science and Technology (HNST)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (217.939 KB) | DOI: 10.33846/hn.v1i3.54

Abstract

The group of PAMSIMAS (rural clean water maintenance) in Panekan Village, Panekan Sub-District, Magetan District, uses water resource in 2 – 2.2 l/s with an easy polluted water resource preservation; The result of E Coli examination in the water resource in Panekan Village (240 E Coli germs in 100 ml/sample) is positive. This research aimed to create a chlorinator design performance using solar cell energy submersible pump to disinfect the flowing water with an appliance which can overcome the mentioned problem. This experimental research was using a method of creating chlorinator containing chlorine disinfectant and analyzing the performance the chlorinator applying 3 various distance (0 m, 500 m, 1000 m) and chlorinator A and B. The result of the research was: the need of chlorine was 185 g/day in 1 l/s water rate of the water resource. The performance of chlorinator: solar cell, circuit control mechanical box cell, voltage stabilizer, circuit cable, 1 unit chlorine tub for each, 6 units 12 volt batteries. submersible pump 3 watt (chlorinator A) and 6 watt (chlorinator B). The performance of chlorinator A, in a various distance of 0m, 500m and 1000m, respectively: chlorine residue: 0.58 ppm; 0.50 ppm; 0.2 ppm; E coli bacteria: 0; 0; 2 per 100 ml/sample; temperature: 25.150C; 26.140C; 25.150C; pH: 7.14; 7.09; 7.04. The performance of chlorinator B in a various distance of 0 m, 500 m and 1000m, respectively: Chlorine residue: 0.62 ppm; 0.49 ppm; 0.18 ppm; E coli bacteria: 0; 0; 1.3 per 100 ml sample; temperature: 25.460C; 25.99 0C; 25.31 0C; pH: 7.14; 7.08; 7.1. Overall, the result of the research fulfils the requirement of Permenkes RI 492/2010. Hopefully, needs further research to improve both the power of resistance and the performance of the instrument especially for the greater rate of water. Keywords: Chlorinator, Chlorine, Water resource, E coli