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Suyanto, Beny
Humanistic Network for Science and Technology (HNST)

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

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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
The Simple Machines for Making Organic Fertilizer at School Suyanto, Beny; Sigit, Prijono
Health Notions Vol 1, No 3 (2017): July-September
Publisher : Humanistic Network for Science and Technology (HNST)

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Bio organic manure is fertilizer made from organic material (plants, animal dungs etc.) as a source of nutrient for plants. How to produce was using a simple technology, the material needed was Effective Microorganism (EM ) as biodecomposter in fermenting organic material. The purpose of the study was to design a tool to make organic manure. The source of green manure was grass and leaves taken from the School of Environmental Health “Magetan”, Health Polytechnic of Surabaya. The process of appropriate technology starts from copping the material (±1 cm), using 7 Pk cutting box copper, the raw material was suitable enough for the raw material of organic fertilizer. The next step is to drum the material into a digestor as a composter. To reduce the time needed for composting, it was needed additional material EM4 (Effective Microorganism) in 3 variation namely 2%, 4% and 6% with duration of 14 and 21 days. The assessment of the maturation of the organic manure based on the smell, colour, texture, pH, temperature and the result of laboratory test N, P , K C/N ratio with the duration of the fermentation process varied between 14 and 21 days. The nutrient content reference refers to SNI/2004. Result of the study about kind of garbage: grass and bushes leaves with the capacity of 5 to 20 kg/day. Tool specification mechanic chopper box consists of two components mover motor (7 PK) and box chopper (leave cutter). Digestor specification: 1 unit of iron wagon frame, 1 unit of digestor, the process of fermentation using EM4. The result of observation and measurement of temperature, pH, moisture, colour, smell, texture and grade C, N, P, K and C/N ratio qualifies SNI/2004. Fermentation process EM 2% within 14 to 21 days was the efficient result in cmpost maturation. The suggestion in this research, a further study is needed to increase the useful mechanic box chopper capacity and granulator design development to process compost into worthy compost granule, cheap MOL production, local materialand the result is better than EM4. Keywords: Appropriate technology, Organic fertilizer, Effective microorganism
Effective Microorganism (EM) from Modified Bioinoculant to Increase Biogas Quantity Nurweni, Susi; Karno, Karno; Suyanto, Beny
Health Notions Vol 1, No 3 (2017): July-September
Publisher : Humanistic Network for Science and Technology (HNST)

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Abstract

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

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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