Results 21 to 30 of about 84,721 (308)

Adsorpsi Senyawa Fosfat Total (PO4) dalam Air Buangan Laundry dengan Zeolit Termodifikasi

open access: yesJurnal Sumberdaya Alam dan Lingkungan, 2018
Permasalahan kerusakan lingkungan yang disebabkan oleh limbah yang dihasilkan oleh industri laundry adalah buangan cair yang mengandung senyawa fosfat. Kelebihan fosfat dalam air menyebabkan eutrofikasi. Wiranas adalah salah satu penyedia jasa laundry di
Ruslan Wirosoedarmo   +2 more
doaj   +1 more source

Application of an Integrated System of Thermal Pressure Hydrolysis/Membrane Techniques to Recover Chromium from Tannery Waste for Reuse in Hide Tanning Processes

open access: yesMembranes, 2022
This paper presents the results of research on a new method of chromium recovery from solid waste generated during the tanning of raw hides. In the first stage, the shredded mixture of useless leather scraps is decomposed through thermal pressure ...
Anna Kowalik-Klimczak   +6 more
doaj   +1 more source

Detection of Chromium in surface and groundwater and its bio-absorption using bio-wastes and vermiculite

open access: yesEngineering Science and Technology, an International Journal, 2020
Unnao has a large number of tanneries and huge amount of waste water is generated and there effluents contain Chromium, which infiltrates and percolates below the ground and contaminate the surface and subsurface water, thereby creating a possibility of ...
Shivam Mani Tripathi, ShriRam Chaurasia
doaj   +1 more source

Fume Generation and Content of Total Chromium and Hexavalent Chromium in Flux-cored Arc Welding [PDF]

open access: yesThe Annals of Occupational Hygiene, 2003
This study was performed to investigate the fume generation rates (FGRs) and the concentrations of total chromium and hexavalent chromium when stainless steel was welded using flux-cored arc welding (FCAW) with CO2 gas. FGRs and concentrations of total chromium and hexavalent chromium were quantified using a method recommended by the American Welding ...
Chung Sik, Yoon   +2 more
openaire   +2 more sources

Cyclic drying and wetting tests on combined remediation of chromium-contaminated soil by calcium polysulfide, synthetic zeolite and cement

open access: yesScientific Reports, 2021
Using calcium polysulfide as the reducing agent, synthetic zeolite as the adsorbent, and cement as the curing agent, the dual-index orthogonal test method was used to determine the best remediation dosage of chromium-contaminated soil.
Xilin Li   +3 more
doaj   +1 more source

Pemisahan krom pada limbah cair industri penyamakan kulit menggunakan gelatin dan flokulan anorganik

open access: yesMajalah Kulit, Karet, dan Plastik, 2016
The aim of the study was to determine the ability of gelatin, ferrous sulfate, aluminium sulfate, and combination of gelatin with ferrous sulfate or aluminium sulfate for total chromium content (trivalent chromium and hexavalent chromium) separation ...
Sugihartono
doaj   +1 more source

Interaction of salinity and chromium on pigments and photosystem II function of Portulaca oleracea L. [PDF]

open access: yesفیزیولوژی محیطی گیاهی, 2022
The aim of this study was to investigate the interaction of salinity and chromium stress on some morphological and physiological characteristics of portulaca oleracea.
Zahra Talebzadeh   +3 more
doaj   +1 more source

THERMO-MECHANICAL TREATMENT OF 42SICR AND 42MNSI STEELS

open access: yesActa Metallurgica Slovaca, 2017
Two high strength low alloyed steels with 0.4%C, 0.6%Mn, 2%Si and either 1.3% of chromium or without chromium were used in this work to evaluate the effect of chromium on the final microstructure obtained by thermo-mechanical processing.
Ludmila Kučerová   +2 more
doaj   +1 more source

Chromium-nanostructured metabsorber for tunable color filtering

open access: yes, 2023
Most real-life practical applications continuously use color filters, such as holography, sensing, multicolor displays, imaging, and information encoding, etc.
Massoud, Yehia Mahmoud   +3 more
core   +1 more source

Experimental study on remediation of chromium-contaminated mucky clay by electrokinetic soil flushing method considering temperature

open access: yesYantu gongcheng xuebao, 2021
A series of column tests on chromium-contaminated mucky clay are conducted in lab using the self-designed electrokinetic soil flushing apparatus considering temperature.
WANG Yan , WANG Ai-hua , LIU Gan-bin
doaj   +1 more source

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