Essays about: "PIX"

Found 4 essays containing the word PIX.

  1. 1. Phosphorous Precipitation in Source Separated Greywater for Direct Environmental Release.

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Ashley Hall; [2022]
    Keywords : water; wastewater; source separation; greywater; phosphorous; precipitation; utfällning; Chemical Engineering; Technology and Engineering;

    Abstract : As our understanding of the impact humans have on the environment changes, so too do the mitigation strategies we employ to prevent it. One major source of anthropogenic pollution is wastewater effluent. READ MORE

  3. 2. Removal Characteristics of Fibrous and Particulate Microplastics : A Study of the Effectiveness of Coagulation-Flocculation- Sedimentation

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Amrith Kumar; [2022]
    Keywords : Coagulation; flocculation; jar test; microplastics; sedimentation; water treatment; Burktest; flockning; koagulering; mikroplaster; sedimentering; vattenrening;

    Abstract : The rapid proliferation of microplastics (MPs) over the last few decades have raised alarms about the major environmental and health impacts posed by this anthropogenic source. The widespread propagation and transport of MP particles in water sources have accelerated the need to study the eco- toxicological impacts as well as the efficacy of various removal mechanisms from these critical water sources. READ MORE

  4. 3. Time-Series Analysis of Pulp Prices

    University essay from Mittuniversitetet/Institutionen för informationssystem och –teknologi

    Author : Agnes Åkerlund; [2020]
    Keywords : ARIMA; Holt-Winter; time-series analysis; market price; pulp price forecasting.;

    Abstract : The pulp and paper industry has a significant role in Europe’s economy and society, and its significance is still growing. The pulp market and the customers’ requirements are highly affected by the pulp market prices and the requested kind of pulp, i.e., Elementary Chlorine Free (ECF) or Total Chlorine Free (TCF). READ MORE

  5. 4. Case study of a contract system : considering pulp prices from 1996-2006

    University essay from Matematiska och systemtekniska institutionen

    Author : Tobias Janstad; [2007]
    Keywords : PIX; pulp; Kruskal-Wallis test; t-test; Wilcoxon s signed-rank test; spectral analysis; ARMA-models; prediction; Kalman filter; wavelets; PIX; pappersmassa; Kruskal-Wallis test; t-test; Wilcoxon s rangsummetest; spektralanalys; ARMA-modeller; prediktion; Kalman filter; wavelets;

    Abstract : Södra Cell sells 1 900 000 ton pulp every year. Of this 490 000 tonne is sold with a contract system based on a pricing index called PIX NBSK. This index was started in 1996 and reflects the price of pulp from conferious forest. We study the NBSK PIX value of softwood from October 1996 to December 2006. READ MORE