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Penghilangan Padatan Tersuspensi Pada Pengolahan Air Limbah Hendartini Hendartini
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XVII NO. 3 SEPTEMBER 1995
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24817/jkk.v0i0.5060

The main purpose of waste water treatment is to remove BOD and Suspended Solid. Many kinds of treatment can be applied in waste water depend on their characteristics. Among others are Sedimentation and Flotation. Sedimentation is the removal of solid particles from a suspension by gravitational settling in waste water treatment plants, sedimentation is applied to a variety of organic and inorganic solids from raw and treated waste. Meanwhile, the major waste water applications of flotation are thickening of activated and coagulated sludges which have densities close to water. Primary sedimentation basins generally remove 40 - 65 % of suspended solids and 25-50 % of BOD. Results from several flotation fasilities operating with waste activated sludge and chemical addition indicate an average solids removal near 98 % .

Tapioka Sebagai Bahan Kemasan Layak Santap Triyanto Hadisoemarto; Hendartini Hendartini; zoherly Zoherly
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. 25 NO. 1 APRIL 2003
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24817/jkk.v0i0.4728

Percobaan memperlihatkan bahwa film layaksantap yang dibuat dari tapioka sebagai bahan tunggal ternyata sangat sulit untuk dikelupas dari lempeng kaca pembentuknya; namun dengan berbagai variasi penggunaan tapiokaamilosa, film yang dihasilkan mudah dikelupas. Secara umum lembaran film yang dihasilkan memiliki sifat yang stabil, tidak toksik, kuat tarik dan kemuluran memadai, dengan rentang hasil uji laju transmisi uap air (LTUA) antara 294,0 564,5 gr/24jam.

Penelitian Pembuatan Formulasi Pestisida Bentuk Bubuk Yang Dapat Disuspensikan (Wettable Powder) Dari Bahan Lokal Hendartini Hendartini
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN NO.35 TRIWULAN I 1987/1988
Publisher : Balai Besar Kimia dan Kemasan

Of all the conventional types of pesticide formulation, the manufacture of wettable powder is perhaps the most difficult. It needs the science and the skill to convert an organik toxicants into products that comply with standardformulation specification. However, by carefull choise of carrier, adjusvants, and processing technique, a satisfactory formulation can be achieved. Seven types of wettable powder formulation using local ingredient that differ in concentration of adjuvant were prepared in this experiment. The physico-chemical test showed that the best result is formulation E which contain MIPC 52%, kaolin 43%, wetting agent 2 %, and suspensing agent 3 %, but the suspensibility is not comply with F AO spesification.

Penelitian Pengaruh Penggunaan Beberapa Jenis Adjuvant Pada Formulasi Pestisida Bentuk Water Dispersible Granule (Wdg) Emmy Ratnawati; Hendartini Hendartini; Sumingkrat Sumingkrat
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. 23 NO. 1 JUNI 2001
Publisher : Balai Besar Kimia dan Kemasan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24817/jkk.v0i0.4783

The adjuvant usage gives an effect in the Water Dispersible Granule of pesticide formulation, both for types of adjuvant or its concentration. Binding agents as a part of adjuvant use in this research are Poly Vinyl Pirolidone, Poly Vinyl Alcohol, CMC and Gum Arabic. The best sequence formulation for water dispersible granule on active ingredient, speed of desintegration and pH (before and after storage) is A1 formula with polyvinyl pirolidon 2 %, A2formula with polyvinyl pirolidone 2,5 % and B1 formula with CMC 2,0 %. Generally the result shows that the local binding agents give a bit lower performance as adjuvant compared with the existing water dispersible granule formulations.

Alkil Benzen Sulfonat (ABS) Untuk Formulasi Pestisida Bentuk Pekatan Teremulsi (EC) Hendartini Hendartini; Rofienda Rofienda
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XV NO. 46 Maret 1991
Publisher : Balai Besar Kimia dan Kemasan

Mutu formulasi pekatan teremulsi (Emulsifiable Concentrate, EC) ditentukan oleh sifat-sifat fisika-kimianya, antara lain kadar bahan aktif, kestabilan emul-si, pH dan busa stabil. Dari sifat-sifat fisika tersebut yang terpenting adalah kestabilan emulsi. Emulsi yang stabil dapat dicapai dengan pemakaian bahan pengemulsi yang tepat.

Penaruh Ventilasi Kemasan Kotak Karton Gelombang Untuk Buah Manggis Budi Utami; Hendartini Hendartini
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XXI NO. 1 APRIL 1999
Publisher : Balai Besar Kimia dan Kemasan

Corrugated boxes as a transport packaging can decrease the damage of the contains during transportation. The transport packaging for fresh fruit has to be provided by ventilation. However the percentage of the ventilation candecrease the physical properties/the strength of the corrugated boxes it self. Experiment has been carried out to determine the percentage of the ventilation of the corrugated boxes needed for fruit of manggistan. The type of corrugated boxes is Regular Slotted Container (RSC) with inner dimension 300 x 180 x 110 mm and 2, 5 kg by weight. The transport simulation test showed that the optimum percentage of the ventilation is 5 % with the self live of 8 days.

Pengaruh Kadar Air Dan Jenis Plastisizer Terhadap Sifat Fisik Plastik Biodegradable Dari Campuran Pati Jagung Dan Polivinil Alkohol Budi Utami; Hendartini Hendartini
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. 22 NO. 2 DESEMBER 2000
Publisher : Balai Besar Kimia dan Kemasan

Recently the use of plastic packaging is become avoided because their waste will create environmental problem. As an alternative choice the use of biodegradable plastic packaging has been developed Research on biodegradable plastic has been carried out to study the effect of water content and kind of plasticizer on mechanical properties of the biodegradable plastic made from corn starch and polyvinyl alcohol. The result shows that water can increase the elongation of the plastic, but on the other hand it can decrease the tensile strength and barrier properties by increasing the water vapour transsmision rate. Therefore the use of water as a plasticizer must be mixed with other plasticizer such as glycerol, sorbitol, polyethylene glycol and glycerol monostearate. In this study the best result is by using mixture of water and sorbitol with ratio = 5: I and the ratio of solid material (starch + PVOH +nucleating agent) and plasticizer = 1 : I.

Penelitian Pembuatan formulasi Pestisida Bentuk Pekatan Yang Dapat Diemulsikan (EC) Hendartini Hendartini
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN NO.45 TRIWULAN III 1989/1990
Publisher : Balai Besar Kimia dan Kemasan

One of the most important and widely used types of pesticide formulation is Emulsifiable Concentrate, abbreviated as EC. An EC formulation can be defined as non=aqueoussolution of a pesticideactive ingredient and emulsifiers in a suitable solvent. In this experiment 4 types of BPMC Emulsifiable Concentrate formulation were prepared at various emulsifier types and concentrations. Agrisol emulsifier was used for control.The new formulations which have been prepared give a bit lower physico chemical test result, compared with the agrisol formulation especially in 8% and 10% concentration that fulfil the SII requirements.

Pengendalian Proses Pengolahan Air Limbah Dengan Menggunakan Lumpur Aktif Hendartini Hendartini
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XX NO. 3 DESEMBER 1998
Publisher : Balai Besar Kimia dan Kemasan

One of the most effective way to remove the pollutant in waste water is biological treatment. There are several different systems used to get the mikroorganism to do their jobs. Such as : activated sludge, biological filters, and ponds. Activated sludge is the one that widely use in many plants over the world. To have the best result we have to know how to control the mikroorganism 's life that we can get from the experience.

Penghilangan Padatan Tersuspensi Pada Pengolahan Air Limbah Hendartini Hendartini
Jurnal Kimia dan Kemasan BULLETIN PENELITIAN VOL. XVII NO. 3 SEPTEMBER 1995
Publisher : Balai Besar Kimia dan Kemasan

The main purpose of waste water treatment is to remove BOD and Suspended Solid. Many kinds of treatment can be applied in waste water depend on their characteristics. Among others are Sedimentation and Flotation. Sedimentation is the removal of solid particles from a suspension by gravitational settling in waste water treatment plants, sedimentation is applied to a variety of organic and inorganic solids from raw and treated waste. Meanwhile, the major waste water applications of flotation are thickening of activated and coagulated sludges which have densities close to water. Primary sedimentation basins generally remove 40 - 65 % of suspended solids and 25-50 % of BOD. Results from several flotation fasilities operating with waste activated sludge and chemical addition indicate an average solids removal near 98 % .

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