Ditapis dengan
Pengaruh Konsentrasi Crude Tanin Ekstrak Kulit Buah Manggis Terhadap Laju Kor…
Corrosion is a metal reduction due to a chemical reaction of a metal with its environment. One way to reduce the rate of corrosion is by the addition of the inhibitor. The mangosteen rind contains tannins that can be used as an inhibitor. This research aims to know the value of the rate of metal corrosion inhibitor skin extracts using mangosteen. Sokletasi is used to extract tannin from the bar…
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- Deskripsi Fisik
- xv, 27 hlm.: ill.; 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 015 (0012)
Proses Adsorpsi-Degradasi Limbah Cair Pabrik Kelapa Sawit Menggunakan Adsorbe…
The high level of organic contaminants and total solid contained in Palm Oil Mill Effluent (POME) were reflected in its high values of COD, TSS and TDS, requiring a proper treatment prior to discharge into an environment. The adsorption-degradation processes were used to treat POME using bentonite as the adsorbent and MnO2/bentonite composite as the heterogenous Fenton catalyst. According …
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- xi, 123 hlm.: ill.: 29 cm
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- No. Panggil
- 03 02. 121 (0070)
Pengembangan Modul Kimia Berbasis Multiple Representation Pada Materi Ikatan …
This research is motivated by the condition of several SMA/MA in Kampar Regency so far the learning process is still using teaching materials in the form of printed books that must be used by students and most teachers have not made their own teaching materials to be used in the learning process. In teaching materials, the representation of phenomena used is only macroscopic and symbolic. Meanw…
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- xi, 141 hlm.: ill.: 29 cm
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- 10 20. 221 (0008)
Sintesis Katalis Heterogen CaO Dari Cangkang Kerang Darah (Anadara Granosa) Y…
Heterogeneous CaO catalysts as a role in biodiesel synthesis were developed continuously. The attempt to develop heterogeneous CaO catalysts was synthesizing heterogeneous CaO catalysts sourced from blood shells (CKD). The study aimed to synthesize heterogeneous CaO catalysts from KOH-activated CKD through the gel sol method. Catalyst synthesis also used ethylene glycol (C2H6O2) which serv…
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- xv, 145 hlm.: ill.: 29 cm
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- 10 05. 221 (0003)
Sintesis Mangan Oksida Dengan Metode Pengendapan Dan Aplikasinya Untuk Degrad…
Manganese oxide cryptomelane-type Octahedral Molecular Sieve (OMS) was synthesized by the reaction between KMnO4 and C6H8O7 (citric acid) with a mole ratio of 5:1 using precipitation method. The effect of citric acid flow rates (1, 2, and 3 mL/minutes) on the synthesis of MnO2 was studied and correlated with its catalytic activities. The as-synthesized manganese oxides were then characteri…
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- xiii, 73 hlm.: ill.: 29 cm
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- 10 05. 221 (0002)
Pemetaan Kebisingan Pada Jam Puncak Akibat Aktivitas Transportasi Di Simpang …
ABSTRACT The increase in ownership of motorized vehicles has resulted in increased transportation activities. The tendency to increase the number of motorized vehicles operating will increase the traffic load, one example of which is the increase in noise intensity. This study aims to measure noise intensity and map noise at peak hours due to transportation activities that occur at the Tab…
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- Deskripsi Fisik
- ix, 79 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0096)
Prarancangan Pabrik Furfural Dari Biomassa Dengan Disain Alat Utama Evaporato…
ABSTRACT Indonesia is a country rich in resources that have the potential to produce raw materials for fufural production, one of which is empty fruit bunches with a pentosan content of 25.90%. The number of empty bunches of waste throughout Indonesia in 2004 had reached 18.2 million tons. . The main design tool is an evaporator (EV-101) which functions to concentrate furfural up to 98% pu…
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- xii, 29 hlm.; ill.: 29 cm
- Judul Seri
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- No. Panggil
- 07 02. 121 (0095)
Prarancangan Pabrik Benzene, Toluene, Dan Xylene (Btx) Menggunakan Proses Cyc…
ABSTRACT Benzene, toluene and xylene (BTX) are petrochemical products made from naphtha through a catalytic formation process. Benzene and toluene are some of the products that are widely used in chemical raw materials. One of them is toluene, Toluene is used as a solvent and intermediate in the manufacture of chemicals, high octane components and gasoline, while the need for p-xylene is …
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- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 07 02. 121 (0094)
Pengaruh Rasio Massa Dengan Pelarut Dan Ukuran Terhadap Kadar Crude Flavonoid…
ABSTRACT Papaya leaves (Carica papaya L) have long been used by Indonesians for food and medicine. Papaya leaves have been reported to have several benefits, namely anti-tumor, dengue fever, and have antioxidant properties. The antioxidants in papaya leaves can be obtained from the flavonoids compounds contained in the leaves. This study aims to determine the levels of flavonoids extracted…
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- ix, 79 hlm.; ill.: 29 cm
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- No. Panggil
- 07 02. 021 (0078)
Pengembangan E-LPD Berbasis Inkuiri Terbimbing Menggunakan Platform Liveworks…
E-LKPD based on guided inquiry is a student activity guide to facilitate students in implementing learning activities in electronic form that can be seen on laptops, notebooks and smartphones that contain the syntax of guided inquiry. E-LKPD based on guided inquiry was created using the liveworksheets platform which is a free virtual platform that can convert LKPD into E-LKPD with automatic…
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- x, 199 hlm.: ill.: 29 cm
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- No. Panggil
- 05 09. 121 (0068)
Pengembangan E-Modul Berbasis Pendekatan Saintifik Menggunakan Platform Livew…
This study aims to produce an E-Module Based on a Scientific Approach Using the Liveworksheets Platform on Reaction Rate Material. The interactive chemistry e-module produced has several advantages, namely learning becomes more interesting, easy to access anywhere using a smartphone or laptop, as innovative teaching materials during a pandemic, student work assessments are automatically correct…
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- x, 197 hlm.: ill.: 29 cm
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- No. Panggil
- 05 09. 121 (0067)
Pengembangan Lembar Kegiatan Peserta Didik (LKPD) Berbasis Model Think Talk W…
The development of LKPD based on the TTW model on acid and base materials aims to produce valid teaching materials and determine user responses to the developed LKPD. This study uses a 4D development model. The data collection instruments used were validation sheets and user response questionnaires. The data analysis technique used is based on the percentage score of the validation assessment a…
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- x, 131 hlm.: ill.: 29 cm
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- No. Panggil
- 05 09. 121 (0066)
Pengembangan Lembar Kegiatan Peserta Didik (LKPD) Berbasis Socio Scientific I…
The development of SSI-based student’s activity sheet on the petroleum aims to develop valid open materials and determine user responses in learning. The Research uses research and development (R&D) methods with a 4-D development models which includes Define, Design, Develop and Disseminate, because of the limited time of this research was only carried out until the Develop stage followe…
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- , 202 hlm.: ill.: 29 cm
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- No. Panggil
- 05 09. 121 (0065)
Pengembangan Majalah Kimia Elektronik E-Chemagz Menggunakan Flip Pdf Professi…
The research aims to produce a valid electronic chemistry magazine E-CheMagz which was made using Flip PDF Professional on chemical bonding materials and to determine the user's response to E-CheMagz. The research belongs to the type of research and development (R&D), a development model adapted from Plomp with steps consisting of the preliminary investigation phase, design phase, realization/ …
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- viii, 207 hlm.: ill.: 29 cm
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- 05 09. 121 (0064)
Degradasi Limbah Cair Pabrik Kelapa Sawit Oleh Katalis Mno2 Menggunakan Tahap…
Palm oil mill effluent (POME) has been considered as severe pollutant as it contains considerable amount of organic materials, has pungent odor, borown in colour, and low pH. This contaminant must be treated provely in order to fulfill the national government regulation. The biological treatment process is commonly used in a palm oil plant using a pond treatment system, but it is time-consu…
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- xii, 69 hlm.: ill.: 29 cm
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- 03 02. 121 (0071)
Sintesis Fotokatalis Komposit Mno2-Bentonit Dengan Metode Sol-Gel Untuk Degra…
Palm oil mill effluent (POME) has a high organic content, dark brown in color, has a upleasent smell, contains total suspended solids (TSS), Chemical Oxygen Demand (COD), total dissolved solid (TDS) that exceed threshold set by government regulation. POME is difficult to breakdown using biological processes. Photocatalysis has been considered as a simple method to degrade most organik poll…
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- xii, 102 hlm.: ill.: 29 cm
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- 03 02. 121 (0069)
Kinerja Adsorben Arang Cangkang Biji Karet Aktivasi Koh Untuk Pengolahan Air …
Rubber seed shell (Hevea brasiliensis) is a by-product of the rubber plant. Rubber seed shells contain high cellulose, lignin and pentosan compounds so that they can be used as adsorbents. In this study, rubber seed shells were carbonized at 500oC for 15 minutes and activated with KOH at various concentrations (5; 10; 15%). The rubber seed shell activated charcoal produced was characterized…
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- x, 59 hlm.: ill.: 29 cm
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- 03 02. 121 (0068)
Pengolahan Palm Oil Mill Effluent (Pome) Secara Dua Tahap Menggunakan Palm Oi…
Raw Palm Oil Mill Effluent (POME) is considered as a highly polluting and must be treated prior to be released into waterways. In this study, the POME was treated with two types processes, (1) adsorption with palm oil mill fly ash (POMFA) activated with NaOH solution, (2) degradation with heterogeneous Fenton reaction using layered birnessite-type manganese oxide and porous cryptomelane-typ…
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- xi, 82 hlm.: ill.: 29 cm
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- 03 02. 121 (0067)
Pemanfaatan Limbah Padat Pulp Green Liquor Dregs Dan Slaker Grits Dari Pabrik…
Industrial waste is a by-product of industrial processes which includes various types of waste materials or building materials. The solid waste pulp dreg and grits were chemically composition to analyze their chemical content by using a Scanning Electron Microscope (SEM), X-Ray Fluoresence (XRF) and Fourier Transform Infra-Red (FTIR). The dreg and grits were first characterized. The materi…
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- ix,45 hlm.: ill.: 29 cm
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- No. Panggil
- 03 02. 121 (0066)
Pembuatan Nata De Soya Dari Limbah Tahu
One result of waste or waste from processing whey tofu is the rest of the water out or clumping know. Whey tofu still contain some organic ingredients, one of which is the protein from soya. Through a simple biotechnological process whey tofu that still contains some nutrients and having acidic conditions, can be used to produce nata. Nata produced from whey media know called nata de soya. The …
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- xi, 22 hlm.; ill.; 29 cm
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- No. Panggil
- 07 02. 014 (0035)
Karya Umum 
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Kesusastraan 
Geografi dan Sejarah