Control of Chromium Hexavalent (Cr-VI) Pollution on Waste Water in Nickel Ore Extraction Industry with Phytoremediation Technology

Erikha Maurizka Mayzarah, Setyo Sarwanto Mursidik, Lana Saria

Research output: Contribution to journalConference articlepeer-review

Abstract

The issue that surfaces from the digging of limonite and saprolite zones on nickel ore mining is the oxidation of chromium to chromium hexavalent. The aim of this research is to analyze the efficiency level of phytoremediation technology to reduce chromium hexavalent on waste water of nickel ore mining industry. This study was done in situ to observe the potential of Water Lettuce (Pistia stratiotes) using self-designed experimental devices. This research was divided into three part, such as the variation of plant's weight of 10grams, 20grams, 30grams, 60grams, 70grams, and 150grams with interval of an hour for five hours, variation of chromium hexavalent of 0.5ppm, 1ppm, 2ppm, 5ppm, and 7ppm with interval of 4 days for 20 days, and variation HRT 1.5 hours, 2 hours, and 3 hours with interval of 24 hours for 16 days. The result of this research shows the average of efficiency on observation one, two and three are 18.5%, 89%, and 28%. The usage of phytoremediation technology shows the potential to reduce chromium hexavalent pollutant.

Original languageEnglish
Article number03011
JournalE3S Web of Conferences
Volume68
DOIs
Publication statusPublished - 27 Nov 2018
Event1st Sriwijaya International Conference on Environmental Issues, SRICOENV 2018 - Palembang, South Sumatera, Indonesia
Duration: 26 Sep 201827 Sep 2018

Keywords

  • Chromium hexavalent
  • Phytoremediation
  • Pistia stratiotes
  • Pollution Control
  • Waste water

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