Sains Malaysiana 53(10)(2024): 3499-3509

http://doi.org/10.17576/jsm-2024-5310-22

 

Fragrance Carrier Based on Zeolite-A Modified Bentonite as a Controlled Release System in Air Freshener Applications

(Pembawa Wangian Berdasarkan Zeolite-A Bentonit Terubah Suai sebagai Sistem Pelepasan Terkawal dalam Aplikasi Penyegar Udara)

 

ENY KUSRINI^1,2,3,*, ANWAR USMAN⁴, KARINA AYUNINGTYAS¹, LEE D. WILSON⁵, NANDY PUTRA⁶, AGUS BUDI PRASETYO⁷, ARIF RAHMAN^8, KHOIRINA DWI NUGRAHANINGTYAS⁹, SRI JUARI SANTOSA¹⁰ & ATIEK ROSTIKA NOVIYANTI ¹¹

 

¹Department of Chemical Engineering, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia

²Green Product and Fine Chemical Engineering Research Group, Laboratory of Chemical Product Engineering, Universitas Indonesia, Kampus Baru UI, Depok, 16424, Indonesia

³Tropical Renewable Energy Research Center, Faculty of Engineering, Universitas Indonesia, Kampus Baru UI, Depok, 16424, Indonesia

⁴Department of Chemistry, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Negara Brunei Darussalam

⁵Department of Chemistry, University of Saskatchewan 110 Science Place, Room 156 Thorvaldson Building, Saskatoon, Saskatchewan, Canada S7N 5C9

⁶Department of Mechanical Engineering, Universitas Indonesia, Kampus Baru UI, Depok 16424, Indonesia

⁷Research Center for Metallurgy, National Research and Innovation Agency (BRIN), KST, BJ. Habibie, Puspitek Area, Setu, Tangerang Selatan, 15314, Indonesia

⁸Department of Chemistry, Faculty of Mathematic and Natural Sciences, Universitas Negeri Jakarta, Jakarta Timur 13220, Indonesia

⁹Department of Chemistry, Faculty of Mathematics and Natural Sciences, Sebelas Maret University, Jl. Ir Sutami No. 36A, Surakarta 57126, Indonesia

¹⁰Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Sekip Utara P.O. Box BLS 21, Yogyakarta 55281, Indonesia

¹¹Department of Chemistry, Faculty of Mathematics and Natural Sciences, Padjadjaran University, Jl. Raya Bandung Sumedang km 21 Jatinangor Indonesia

 

Received: 25 June 2024/Accepted: 9 August 2024

 

Abstract

The quality of air fresheners with low cost production can be improved by using a carrier matrix such as synthetic zeolite to increase the long-lasting properties of fragrance product by encapsulation technique. The zeolite A is considerdas a safe core fragrance carrier matrix to be able to release volatile fragrance from their pores when exposed to atmospheric humidity at room temperature. Zeolite A was synthesized from natural kaolin and was formed into tube pellets with bentonite (20 wt.%) as binder to produce zeolite A-bentonite (ZAB) cylindrical pellets composite and used as a fragrance carrier matrix with a rose essential oil (Rose damascena Mill.) as parfume model. The fresh bentonite can also adsorb the rose essential oil with adsorption capacity of 1.745 g/g bentonite (74.5%). Effects of chemical activation on zeolite-A using acid (HCl) of 0.1 M and base (NaOH) of 0.1 M were studied. The ZAB tube pelletes were found to have high adsorption efficiencies of rose essential oil. ZAB4 has the highest efficiency and was used for regeneration test studies that was carried out over 10 cycles using HCl and NaOH, where the adsorption efficiency was 94.5 and 75.4%, respectively. The activated ZAB4 composite using HCl has a long life time until more than 5 weeks and more than 10 regeneration cycles. This fragrance carrier matrix based on ZAB has significant potential for extended carrier fragrance system.

 

Keywords: Air freshener; controlled release; essential oil; fragrance carrier; zeolite-A

 

Abstrak

Kualiti penyegar udara dengan pengeluaran kos rendah boleh dipertingkatkan menggunakan matriks pembawa seperti zeolit ​​sintetik untuk meningkatkan sifat tahan lama produk wangian melalui teknik enkapsulasi. Zeolit ​​A dianggap sebagai matriks pembawa wangian teras yang selamat untuk dapat mengeluarkan wangian yang tidak menentu dari liang-liangnya apabila terdedah kepada kelembapan atmosfera pada suhu bilik. Zeolit ​​A telah disintesis daripada kaolin semula jadi dan telah dibentuk menjadi pelet tiub dengan bentonit (20 wt.%) sebagai pengikat untuk menghasilkan komposit pelet silinder zeolit ​​A-bentonit (ZAB) dan digunakan sebagai matriks pembawa wangian dengan minyak pati mawar (Rose damascena Mill.) sebagai model minyak wangi. Bentonit segar juga boleh menyerap minyak pati mawar dengan kapasiti penjerapan 1,745 g/g bentonit (74,5%). Kesan pengaktifan kimia ke atas zeolit-A menggunakan asid (HCl) 0,1 M dan bes (NaOH) 0.1 M telah dikaji. Pelet tiub ZAB didapati mempunyai kecekapan tinggi penjerapan minyak pati mawar. ZAB4 mempunyai kecekapan tertinggi dan digunakan untuk kajian ujian penjanaan semula yang telah dijalankan selama 10 kitaran menggunakan HCl dan NaOH dengan kecekapan penjerapan adalah 94,5 dan 75,4%. Komposit ZAB4 yang diaktifkan menggunakan HCl mempunyai jangka hayat yang panjang sehingga lebih daripada 5 minggu dan lebih daripada 10 kitaran penjanaan semula. Matriks pembawa wangian berasaskan ZAB ini mempunyai potensi besar untuk sistem wangian pembawa lanjutan.

 

Kata kunci: Minyak pati; pelepasan terkawal; pembawa wangian; penyegar udara; zeolit-A

 

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*Corresponding author; email: eny.k@ui.ac.id