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Browsing UR - Student Paper Degree by Author "Awaluddin, Amir"

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AKTIVITAS KATALITIK MANGAN OKSIDA YANG DI-DOPING DENGAN LOGAM TRANSISI MENGGUNAKAN 2 METODE YANG BERBEDA

Cindy, Bella Permata; Awaluddin, Amir (wahyu sari yeni, 2019-07-15)

The doped Co-cryptomelane type manganese oxide catalysts were prepared using two type approaches, direct and indirect methods. The products were obtained by the reaction between KMnO4, glucose and small quantity of CoNO3 ...
APLIKASI FOTOKATALIS MnO/KARBON AKTIF DAN MnO/BENTONIT UNTUK DEGRADASI BIRU METILEN

Syafitri, Ardhea (Elfitra, 2023-07)

Photocatalysis is one of the alternative methods for treatment of textile waste. One of the synthetic dyes that is often used in the textile industry is methylene blue dye. The coloring process in textiles uses synthetic ...
DAYA ADSORPSI BIRNESSITE SINTESIS TERHADAP LARUTAN ION LOGAM Cd2+

Rofina, Ega; Awaluddin, Amir; Sophia, Halida (2013-03-07)

Birnessite can be used as an adsorbent of heavy metals found on the aquatic environment and solid waste. This could occur because birnessite is a porous material with a large surface area and are able to exchange cations ...
DEGRADASI LIMBAH CAIR PABRIK KELAPA SAWIT DENGAN KATALIS MANGAN OKSIDA MELALUI TAHAP ADSORPSI MENGGUNAKAN FLY ASH TERAKTIVASI MICROWAVE

Nopriyani, Indri (perpustakaan UR, 2021-08)

Palm oil mill effluent (POME) was considered to be harmful as it contains high COD. It requires immediate treatments before it discharges into the environment. The existing treatment systems are time-consuming (100-120 ...
DEGRADASI LIMBAH CAIR PABRIK KELAPA SAWIT OLEH KATALIS δ-MnO2 MENGGUNAKAN TAHAP PRE-TREATMENT DENGAN ADSORBEN FLY ASH TERAKTIVASI HCl

Handayani, Syahfitri (perpustakaan UR, 2021-08)

Fresh Palm oil mill effluent (POME) is a thick brownish colour in the viscous and colloidal suspension, having an unpleasant odour and high value of BOD and COD, thus sensitive to environmental issues. The most widely ...
DOPING MnO2 DENGAN 2 METODA BERBEDA DAN PENGARUHNYA PADA DEGRADASI METILEN BIRU

Sari, Wulan Kurnia; Awaluddin, Amir (wahyu sari yeni, 2019-08-15)

Manganese oxide as cryptomelane type was synthesized by citric acid sol gel. The effect of doping method between Co-MnO2 has been studied. The purpose of this research is to determine the catalitic activity of Co-MnO2 in ...
IMPREGNASI KOH PADA CANGKANG KERANG DARAH (Anadara granosa) YANG DIKALSINASI SUHU 900°C SEBAGAI KATALIS HETEROGEN DALAM PRODUKSI BIODIESEL

Afandi, Trisno; Nurhayati; Awaluddin, Amir (2016-05-16)

CaO is a basic catalyst which is frequently used for the synthesis of biodiesel. The development of catalyst especially CaO has become attractive topic for research in order to obtain good catalytic activity so that biodiesel ...
KINERJA KATALIS MANGAN OKSIDA CRYPTOMELANE UNTUK DEGRADASI METILEN BIRU

Mulyati, Rike; Awaluddin, Amir; Sophia, Halida (2016-10-19)

Methylene blue (MB) is a useful dye, which is commonly used in texstil, paint and biology. Methylene blue is toxic to living organism because methylene blue in environment is difficult to degradation and requires a long ...
PEMANFAATAN CANGKANG LOKAN (Geloina coaxans) UNTUK SINTESIS HIDROKSIAPATIT MENGGUNAKAN METODE PENGENDAPAN

Maylinda, Nia; Awaluddin, Amir; Yanti, Pepi Helza (2016-05-02)

The synthesis of hydroxyapatite (HAp) from seashell (Geloina coaxans) using precipitation method has been done . The seashell (Geloina coaxans) and H3PO4 were used as sources of calcium and phosphate. Molar ratio of precursor ...
PEMANFAATAN LEMPUNG ALAM MAREDAN SEBAGAI KATALIS HETEROGEN UNTUK PENGHILANGAN METILEN BIRU MELALUI PROSES FENTON

Hendru, Hendru; Awaluddin, Amir (2-04-07)

Methylene blue, commonly used dye in textile industry, is harmful to living organism and environment due to its resistance for degradation. The most effective method for dyestuff removal is heterogeneous catalyst based on ...
PEMBUATAN KATALIS KOMPOSIT CTF-ZnFe2O4 DENGAN METODE IONOTHERMAL DALAM LELEHAN ZnCl2 DAN FeCl3.

Prawiranegara, Barata Aditya (2020-10)

The CTF-ZnFe2O4 composite catalyst is a combination of two CTF (Covalent triazine framework) and ZnFe2O4 materials. CTF is an organic polymer material that has a triazine ring bond. ZnFe2O4 material is a mineral with a ...
PENGARUH ION LOGAM TEMBAGA (Cu+2) TERHADAP DAYA ADSORPSI BIRNESSITE SINTESIS

Irmawati; Awaluddin, Amir; Sophia, Halida (2013-03-07)

Heavy metals can cause serious environmental problem such as the detereatom of water quality and natural resources, therefore there should be a way to reduce them. The effect of heavy metals on environment requires immedate ...
PENGARUH KONSENTRASI HIDROGEN PEROKSIDA PADA DEGRADASI METHYLENE BLUE MENGGUNAKAN MANGAN OKSIDA YANG DISINTESIS DENGAN METODE SOL-GEL

Dewi, Nismala; Awaluddin, Amir; Mukhtar, Akmal (2016-10-19)

The manganosite type manganese oxide has been used for degradation of methylene blue using hydrogen peroxide (H2O2) on an oxidant. The manganese oxide has been synthetis using sol-gel method with KMnO4 and glucose as an ...
PENGARUH PERLAKUAN ASAM DAN BASA TERHADAP KARAKTERISTIK DAN AKTIVITAS KATALITIK MnO2

Safitri, Tika (2020-08)

The 2x2 tunnel cryptomelane type-manganese oxide has been successfully synthesized via sol-gel method using KMnO4 (oxidant) and C6H8O7 (reductant). The product was then treated with acid or base addition to conduct surface ...
PENGARUH WAKTU REFLUKS TERHADAP TRANSFORMASI BIRNESSITE MENJADI CRYPTOMELANE DAN SIFAT KATALITIK TERHADAP DEGRADASI METILEN BIRU

Rahma, Jamiatur (2020-08)

Birnessite and cryptomelane are typical layered and tunnel manganese oxides and both can be used as a heterogeneous catalyst for the degradation of organic wastes using heterogeneous Fenton reaction. This study aims to ...
PENGGUNAAN PROSES ADSORPSI-DEGRADASI UNTUK PENGOLAHAN LIMBAH CAIR KELAPA SAWIT MENGGUNAKAN KATALIS FENTON Co-MnO2

Yunanda, Rifka Septi (perpustakaan UR, 2021-09)

Palm oil mills produce two types of waste in producing Crude Palm Oil (CPO), namely solid waste and liquid waste. Solid waste in the form of empty fruit bunches, shells and palm fiber which can be used as boiler fuel. ...
PENURUNAN KADAR COD LIMBAH CAIR PABRIK KELAPA SAWIT MELALUI DEGRADASI OLEH KOMPOSIT α-MnO2/BENTONIT

Sukma, Ratih Mutiara (perpustakaan UR, 2021-09)

The high level of organic contaminants in Palm Oil Mill Effluent (POME) was reflected in its higher values of Chemical Oxygen Demand (COD), thus requiring a proper treatment before they could be released into an environment. ...
SINTESIS Ag-MnO2 DENGAN METODE REFLUKS DAN AKTIVITAS KATALITIK Ag-MnO2 PADA DEGRADASI METILEN BIRU

HRP, Siti khoirina (2020-10)

Cryptomelane-type manganese oxide was successfully synthesized by reflux method using KMnO4 concentration of 0,25 M with reflux time of 24 hours. The oxide was then doped with AgNO3 using 1% of ion Ag+ concentration. The ...
SINTESIS Ag-MnO2 DUA TAHAP DAN AKTIVITAS KATALITIKNYA UNTUK DEGRADASI METILEN BIRU

Ervina, Ervina (perpustakaan UR, 2021-07)

Doping by transition metal ions is conducted as an effort to reduce the bandgap and shift the light absorption region. In this study, the manganese oxides were first synthesized by reflux method and doped with ion Ag+ ...
SINTESIS DAN KARAKTERISASI MANGAN OKSIDA TIPE BIRNESSITE DENGAN PENGGUNAAN REDUKTOR ASAM FUMARAT MELALUI METODE KERAMIK

Lismawati, Linda; Awaluddin, Amir; Tamboesai, Emrizal M. (2013-03-08)

Manganes oxide has structures such as layered, tunnel, and amorphous. Birnessite is a mangane oxide with layered structure. Birnessite has never been found in a pure form in nature. The pure birnessite can be obtained by ...

Browsing UR - Student Paper Degree by Author "Awaluddin, Amir"

Browsing UR - Student Paper Degree by Author "Awaluddin, Amir"

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