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Sains Malaysiana 46(10)(2017): 1763–1769 http://dx.doi.org/10.17576/jsm-2017-4610-13
Use of Ammonium-enriched Skim Latex Serum to Compost Rubber Biomass Wastes and Its Effect on Planting Brassica alboglabra (Kegunaan Serum Skim Lateks Diperkaya Amonium untuk Pengkomposan Biojisim Sisa Getah dan Kesannya
ke atas
Penanaman Brassica alboglabra) JUTARUT IEWKITTAYAKORN1*,
JUNTIMA
CHUNGSIRIPORN1
& PRUKRAYA PONGYEELA2 1Department
of Molecular Biotechnology and Bioinformatics, Faculty of Science,
Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand 2Department
of Chemical Engineering, Faculty of Engineering, Prince of Songkla
University, Hat Yai, Songkhla
90112, Thailand Received:
26 September 2017/Accepted: 3 March 2017 ABSTRACT Ammonium-enriched skim latex
serum - used for absorption of contaminating ammonia gas - when
composted with other rubber tree wastes, is promising as a
good compost. The objective of this research was to utilize
ammonium-enriched skim latex serum (S) as a raw composting ingredient
after being combined with para sawdust (W1) and para
rubber leaves (W2). Several ratios of S, W1 and W2 were experimented
in a 15L composting vessel to determine the most effective compost.
The best ratio was found to be 3:1:3 by weight at 12-day retention.
The modified 30 L composting reactor employed with the derived
optimum mixing conditions yielded N, P and K of 2.40, 1.51 and
14.84 %w/w. The growth of Brassica alboglabra after
application of this compost combined with a chemical fertilizer
generated the highest fresh weight (4.48 g/plant). Thus,
compost from these wastes could be used as a fertilizer and
logically should contribute to cost saving of waste disposal.
Keywords: Compost; fertilizer;
rubber industry waste; skim latex serum; waste disposal ABSTRAK Serum skim lateks diperkaya amonium - digunakan untuk penyerapan gas amonia yang tercemar- apabila dikompos bersama sisa pokok
getah yang lain, ia dijanjikan sebagai satu kompos
yang baik. Objektif
kajian ini adalah
untuk menggunakan
serum skim lateks diperkaya
amonium (S) sebagai bahan pengkomposan mentah setelah digabungkan bersama habuk papan (W1) dan daun getah
(W2). Beberapa nisbah S, W1, dan
W2 telah dikaji
di dalam 15 L vesel pengkomposan bagi menentukan nisbah pengkomposan yang paling efektif.
Nisbah terbaik
didapati ialah nisbah 3:1:3 berdasarkan berat pada 12 hari retensi. Reaktor pengkomposan yang diubah suai ke 30 L dengan
menggunakan kondisi
pencampuran optimum terbitan menghasilkan N, P dan K sebanyak 2.40, 1.51 dan 14.84 %w/w.
Pertumbuhan Brassica alboglabra selepas aplikasi
pengkomposan yang digabungkan
bersama baja
kimia menjana berat
basah yang paling tinggi
(4.48 g/pokok). Oleh
itu, kompos daripada
kesemua sisa
yang digunakan dapat dijadikan sebagai baja dan harus
menyumbang kepada
penjimatan kos
pelupusan sisa. Kata kunci: Baja; kompos;
pelupusan sisa;
serum skim lateks; sisa industri
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