Ditemukan 5 dokumen yang sesuai dengan query
In order to review the structure and characteristic of pressure sensitive label (PSL), the examination of 32 PSL smples has been carried out. The results of visual examination show that PSL is a laminate, consist of label paper layering by adhesive and coated release-paper. The test results showed that the...
Artikel Jurnal Universitas Indonesia Library
Treatment of pulp bleaching effluent using Upflow Anaerobic Sludge Blanket (UASB) and Suspended Carrier Biofilm (SCB) systems have been carried out. Upflow Anaerobic Sludge Blanket (UASB) and Suspended Carrier Biofilm (SCB) reactors were run on the Hydraulic. Retention Time (HRT) of 12 hours, respectively. Micronutrient solution containing some traces elements...
Artikel Jurnal Universitas Indonesia Library
Utilization of paper mill sludge from waste treatment plnt for compost have been proven able to improve the quality of land and crop productivity and also uncontaminate the environment. But to produce the compost on a large scale, industry still not yet implemented it because composting process can take time...
Artikel Jurnal Universitas Indonesia Library
Oil spill can contaminate the environment as a consequence of activities related to crude oil exploration, oil refinary, transporation, pipeline leaking, and industrial processes. This researchrelated with the characteristics of coir dust as oil sorbent material to remove oil from water. Hydrophobicity is an important parameter that determines the effectiveness...
Artikel Jurnal Universitas Indonesia Library
In this experiment, xylanase was used prior to bleaching. The dosages of xylanase are 0.25; 0,5; 0,75; 1;1,25 kg/ton of chips. The pulps after pretreatment were tested and treated with D0ED1D2 bleaching sequences. The result shoew that xylanase can decreasekappa number as much as 10.33-11.45. The optinum kappa number (10.33)...
Artikel Jurnal Universitas Indonesia Library
