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All Journal Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
RLM. Satrio Ari Wibowo
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Arts Chemical Engineering, Chemistry & Bioengineering Engineering Industrial & Manufacturing Engineering Social Sciences

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IDENTIFIKASI KULIT IKAN BUNTAL (Arothon reticularis) MENGGUNAKAN SCANNING ELECTRON MICROSCOPE (SEM) RLM. Satrio Ari Wibowo; M. Wahyu Syabani
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 14 No 1 (2015): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

The goal on this research is to known the characteristic of skin of puffer fish. The material that used was dry salted skin of •puffer fish (Ara thon reticularis) and the methods was Scanning Electron Microscope (SEM). SEM can checking materials microscopically to help explain characteristic of physical material. The result of this research is there is spines of puffer fish that firm and penetrate from epidermis unto dermis and becoming one on dermis. The differences between spines of puffer fish and hairs on mammals are there is no follicles that connecting the skin with spines due differences of composition compiler. Identification using SEM shows spines of puffer fish is modification of collagen that can be join with collagen at epidermis to dermis. For this reason the tanners could exploring skin of puffer fish as raw material in leather industries because the uniqueness of skin of puffer fish.
PEMBUATAN PUPUK ORGANIK DARI LIMBAH PADAT PENYAMAKAN KULIT DI CV. CISARUA CIANJUR JAWA BARAT Resty Arestya; Herry Suseno; RLM. Satrio Ari Wibowo
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 12 No 2 (2013): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Leather industry is one of industries supporting a country’s economy which has a negative side such as waste resulted from skin processing. Fleshing process is one those producing solid waste in the form of remnants of protein and fat that is potentially causing the pollution because of waste decomposition. CV. Cisarua located at Perintis Kemerdekaan 1001 Cianjur is one of the leather processing company in West Java. The company produces shoes leather and causes the emergence of some solid waste including: green fleshing waste from the early stages of leather processing, fleshing waste after liming process, shaving and WWT sludge waste as a by product of the waste water treatment. Those wastes were then processed into organic fertilizer. The processes of making organic fertilizer consist of material preparation, size reduction, pile preparation, inversion, maturation, milling, and drying under the sun. Efforts to maximize the process of making organic fertilizer were done by adding rotten rice as starter so that it could speed up the composting process in a laboratory scale. Feed quality testing is then known using physical, chemical and biological testing using marigolds plant/suring. Fertilizer was made using tannery solid waste added with (A) and without (B) rotten rice starter. Fertilizer A with 1.075% total nitrogen content using the composition of 40% cooked fleshing, 40% raw fleshing, 20% cow dung and starter 1:5 has met the requirements of SNI-09-7030-2004 (min. 0.4%). Fertilizer B with 0.9850% total nitrogen content using the composition 40% cooked fleshing, 20% raw fleshing, 10 shaving powder, 20% cow dung and 10% WWT sludge meets the requirements of SNI-09-7030-2004 (min. 0, 4%).
PEMANFAATAN MINYAK SISA LIMBAH PENGGORENGAN KRECEK MENJADI SABUN DAN LILIN DI IKM PANJI JAYA SEGOROYOSO BANTUL YOGYAKARTA Widia Susanti; RLM. Satrio Ari Wibowo
Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit Vol 12 No 2 (2013): Berkala Penelitian Teknologi Kulit, Sepatu, dan Produk Kulit
Publisher : Politeknik ATK Yogyakarta

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Abstract

Cooking oil is one of the basic ingredients needed by the Indonesian community, especially the Small and Medium Enterprises (SMEs) in the field of food. Cooking oil is usually used as a medium for frying food and flavor enhancer. A large number of cooking oil used by SMEs cause high amount of waste which prompts to various diseases. Therefore, this research attempts to use the waste cooking oil in order to prevent from environmental pollution by re- process it as raw material for making solid soap. This study was conducted from June 13, 2012 to July 20, 2012 at SME Panji Jaya, Segoroyoso, Pleret, Bantul, Yogyakarta and the material was tested in the Chemical Laboratory of Leather Technology Academy, Yogyakarta. The samples are waste cooking oil after used for frying krecek (buffalo skin cracker) for 2-3 times. Utilization of waste cooking oil was done with the purification process consisting of three phases; the removal of seasoning (despicing) in which then the waste cooking oil was filtered with filter paper, and then neutralized with 15% NaOH and bleached using activated carbon as much as 10% of the waste cooking oil used. The purified waste cooking oil was used as raw material for making solid soaps. Cooking oil that has been purified again decreased its FFA levels so that its quality improved. The test result of solid soap compared with SNI 06-3532-1994 shows that it has moisture content of 17.9%, the amount of free fatty acids 61.16%, alkali-free 0.52%, free fatty acids 0.74, lathering number 200, negative mineral oil 80, and pH = 6.
Co-Authors Herry Suseno Muh. Wahyu Syabani Resty Arestya Widia Susanti