Composite Curve Pada Teknologi Pinch

Widayat Widayat; O. K. Muhammad Fauzan; Amanda Nathalia Harti Marusaha Manulang; Elvira Salsabila; Ida Ratnawati; Nuraida Ridani

doi:10.14710/jpii.2025.28240

DOI: https://doi.org/10.14710/jpii.2025.28240

Composite Curve Pada Teknologi Pinch

Widayat Widayat - Department of Chemical Engineering, Universitas Diponegoro, Jl. Prof. Jacub Rais, Tembalang, Kec. Tembalang, Kota Semarang, Jawa Tengah 50275, Indonesia

*O. K. Muhammad Fauzan - Department of Chemical Engineering, Universitas Diponegoro, Jl. Prof. Jacub Rais, Tembalang, Kec. Tembalang, Kota Semarang, Jawa Tengah 50275, Indonesia

Amanda Nathalia Harti Marusaha Manulang - Department of Chemical Engineering, Universitas Diponegoro, Jl. Prof. Jacub Rais, Tembalang, Kec. Tembalang, Kota Semarang, Jawa Tengah 50275, Indonesia

Elvira Salsabila - Department of Chemical Engineering, Universitas Diponegoro, Jl. Prof. Jacub Rais, Tembalang, Kec. Tembalang, Kota Semarang, Jawa Tengah 50275, Indonesia

Ida Ratnawati - Department of Chemical Engineering, Universitas Diponegoro, Jl. Prof. Jacub Rais, Tembalang, Kec. Tembalang, Kota Semarang, Jawa Tengah 50275, Indonesia

Nuraida Ridani - Department of Chemical Engineering, Universitas Diponegoro, Jl. Prof. Jacub Rais, Tembalang, Kec. Tembalang, Kota Semarang, Jawa Tengah 50275, Indonesia

Received: 9 Jul 2025; Revised: 29 Aug 2025; Accepted: 7 Sep 2025; Available online: 11 Sep 2025; Published: 2 Feb 2026.

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Abstract

Teknologi pinch adalah teknik berdasar ilmu termodinamika yang digunakan untuk mengoptimalkan konsumsi panas pada sistem proses industri menggunakan perancangan dan optimasi jaringan penukar panas (Heat Exchanger Network/HEN). One tool utama pada pendekatan teknologi penukar panas adalah curve komposit yang memaparkan hubungan antara entalpi dan suhu aliran panas (panas/steam) dan aliran dingin (cooling). Penelitian ini membahas penerapan yang dilakukan pada aliran proses sebanyak 11 aliran proses (4 aliran panas dan 7 aliran dingin) dengan variasi ΔTmin sebanyak 10°C, 12°C, 14°C, 20°C dan 22°C. Parameter yang digunakan berupa kepanasan panas (thermal capacity), perubahan entalpi dan entalpi kumulatif pada setiap interval panas. Hasil yang didapatkan menginformasikan bahwa perurungan ΔTmin akan meningkatkan efisiensi pemanfaatan panas berakibat pada biaya instalasi yang mahal. Sebaliknya, ΔTmin yang makin besar akan menurunkan efisiensi tetapi mengurangi kompleksi sistem. Dengan demikian perlu ditentukan ΔTmin yang tepat.

Kata kunci: pinch technology, composite curve, ΔTmin, heat integration, energy efficiency, Heat Exchanger Network

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In Vol 3, No 3 (2025): JPII:

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