{"id":8309,"date":"2021-02-26T06:29:51","date_gmt":"2021-02-26T06:29:51","guid":{"rendered":"http:\/\/www.adtechamm.com\/?p=8309"},"modified":"2021-02-26T06:29:51","modified_gmt":"2021-02-26T06:29:51","slug":"alumina-ceramic-foam-filter-casting-filtration","status":"publish","type":"post","link":"https:\/\/www.adtechamm.com\/id\/alumina-ceramic-foam-filter-casting-filtration\/","title":{"rendered":"Filter Busa Keramik Alumina, Pengecoran, dan Filtrasi"},"content":{"rendered":"

Filter Busa Keramik Alumina, Pengecoran, dan Filtrasi<\/strong> dapat menyaring sumber polusi yang dihasilkan di dalam proses pengecoran aluminium<\/a>.
\nDi satu sisi, selama proses peleburan, aluminium terpapar ke atmosfer di dalam tungku dalam keadaan cair atau setengah cair, sehingga rentan terhadap oksidasi, bereaksi dengan uap air untuk menyerap hidrogen, dan dengan mudah membentuk berbagai jenis terak non-logam (seperti serpihan lapisan tungku, bahan pelebur, klorida, karbida, dan sebagainya) serta partikel intermetalik kasar dan sebagainya.<\/p>\n

Pengotor-pengotor ini sering kali menyebabkan munculnya gelembung dan inklusi pada billet cor, yang sangat memengaruhi kemurnian logam cair, sehingga pada gilirannya juga memengaruhi kinerja pemrosesan, sifat mekanis, ketahanan terhadap korosi, serta kualitas penampilan produk.<\/p>\n

Filter Busa Keramik Alumina, Pengecoran, dan Filtrasi<\/strong> Memiliki struktur seperti jaring berlubang, yang memiliki kekuatan tertentu, mampu menahan perbedaan tekanan pada permukaan cairan logam serta benturan aliran logam, namun bersifat rapuh dan mudah pecah. Karena bahan ini memiliki struktur yang presisi, kualitas yang seragam, dan luas permukaan yang besar, maka hasil penyaringannya sangat baik.<\/p>\n

Proses produksi ingot aluminium meliputi penambangan bauksit, produksi alumina, dan elektrolisis aluminium.<\/strong>
\nBijih bauksit terlebih dahulu ditambang, kemudian bubuk bijih aluminium dihasilkan melalui proses pencucian dengan air dan penggilingan, lalu dilakukan empat proses kompleks seperti pemanggangan untuk memperoleh alumina. Terdapat tiga jenis utama bauksit yang digunakan dalam produksi alumina: gibbsit dan monohidrat, diaspor air, serta boehmit.
\nDari total cadangan bauksit global yang telah terbukti, 92% merupakan bauksit tipe laterit yang telah mengalami pelapukan, yang termasuk dalam jenis gibbsit. Bauksit-bauksit ini memiliki karakteristik kandungan silikon rendah, kandungan besi tinggi, serta rasio aluminium-silikon yang tinggi, dan terkonsentrasi di Afrika Barat, Oseania, serta Amerika Tengah dan Selatan. Sisanya, yaitu 8%, merupakan bauksit sedimen yang termasuk dalam jenis boehmite dan diaspore, dengan kadar sedang hingga rendah, yang terutama tersebar di Yunani, bekas Yugoslavia, dan Hongaria.
\nKarena karakteristik ketiga jenis bauksit tersebut berbeda-beda, setiap perusahaan produsen alumina menerapkan proses produksi yang berbeda-beda, yang terutama meliputi metode Bayer, metode sintering soda-kapur, dan metode gabungan Bayer-sintering. Secara umum, bauksit bermutu tinggi diproduksi dengan metode Bayer, sedangkan bauksit bermutu menengah dan rendah diproduksi dengan metode gabungan atau metode sintering. Karena prosesnya yang sederhana dan konsumsi energinya yang rendah, proses Bayer telah menjadi metode terpenting yang digunakan dalam produksi alumina saat ini, dan produksinya menyumbang sekitar 95% dari total produksi alumina global.
\nAlumina dielektrolisis untuk menghasilkan aluminium logam di bawah pengaruh arus listrik yang kuat. Proses ini disebut aluminium elektrolitik.<\/p>\n

\"Filter<\/p>","protected":false},"excerpt":{"rendered":"

Alumina Ceramic Foam Filter Casting Filtration can filter out the source of pollution generated in the aluminum casting process. On the one hand, during the smelting process, aluminum is exposed to the atmosphere in the furnace in a molten or semi-molten state, which is prone…<\/p>","protected":false},"author":1,"featured_media":8310,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[26524],"tags":[53472,53478,53432,53437,53463,53409,53470,53455,53423,53443,53456,53442,53466,53440,53429,53467,53461,53421,53436,53392,53451],"yoast_head":"\nAlumina Ceramic Foam Filter Casting Filtration | Adtech China<\/title>\n<meta name=\"description\" content=\"Alumina Ceramic Foam Filter Casting Filtration can filter out the source of pollution generated in the aluminum casting process.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.adtechamm.com\/id\/alumina-ceramic-foam-filter-casting-filtration\/\" \/>\n<meta property=\"og:locale\" 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