Results 151 to 160 of about 24,073 (302)

Gold Recovery from Smelting Copper Sulfide Concentrate

Gold is a significant revenue source for custom copper smelters facing profitability challenges due to low treatment and refining charges, stricter regulations, and rising costs.
Nagendra Tripathi, Elmira Moosavi-Khoonsari   +1 more
core   +1 more source

Investigating the efficacy of tidal wetland restoration in enhancing aquatic food web resources for native fishes

Restoration Ecology, EarlyView.
Abstract Introduction Endangered fish species, such as Delta smelt (Hypomesus transpacificus), in the San Francisco Estuary are threatened by a multitude of anthropogenic stressors. Tidal wetland restoration can partially mitigate these stressors by increasing food availability of aquatic invertebrate prey, but the efficacy of restoration remains ...
Gabriel Ng, Stacy Sherman, Christy Bowles, Michelle Avila   +3 more
wiley   +1 more source

Selective Separation and Recovery of Cadmium from High-Concentration Zinc Smelting Dust Leachate via N235/TBP Solvent Extraction. [PDF]

Materials (Basel)
Li K, Yu X, Shen Q, Xie G, Xie A.
europepmc   +1 more source

Personal Papers (MS 80-0002)

, 1950
Letter from the Virginia Smelting Company to D. W. Kempner discussing their "various greenhouse aerosols available for control of greenhouse insects"
Virginia Smelting Company, Styles, E. B.
core  

Silverside gold mine? Restored tidal habitats host abundant invasive fishes in a novel California marsh (U.S.A.)

Restoration Ecology, EarlyView.
Abstract Introduction Novel ecosystems, where environmental conditions have been fundamentally altered from a historic norm, require nontraditional approaches to restoration. Suisun Marsh, located within California's San Francisco Estuary (SFE), is a novel, brackish water wetland complex, where managers have begun restoring tidal connectivity to ...
Elsie Platzer, Kyle Phillips, Teejay O'Rear, John Durand   +3 more
wiley   +1 more source

A review of metallurgical processing and value-added utilization strategies for zinc oxide. [PDF]

Sci Prog
Zhang Y, Ma Z, Gu X, Jia S, An X, Niu M, Zha X, He R, Deng R.   +8 more
europepmc   +1 more source

The rise of the ecocentric right to a healthy environment before human rights courts in Africa and Latin America

Review of European, Comparative &International Environmental Law, EarlyView.
Abstract This article examines jurisprudence from key African and Latin American human rights bodies regarding the right to a healthy environment, with a focus on recent jurisprudence (2023–2025). It identifies a growing trend of an ecocentric interpretation of the right, which acknowledges that the environment and the life forms within it hold ...
Sonja Kahl
wiley   +1 more source

Selective removal of calcium, lead, zinc and magnesium from evaporative crystallization mother liquor of high-ammonium and high-salinity wastewater from rare earth smelting. [PDF]

BMC Chem
Huang J, Zeng B, Zeng X, Wang Z, Huang W, Huang L.   +5 more
europepmc   +1 more source

Annual Report

Full title: Annual Report of the United States Smelting, Refining and Mining CompanyMode of access ...
United States Smelting, Refining, and Mining Company.
core  

The Need for Improved Public Transparency in the Era of Due Diligence Regulations

Regulation &Governance, EarlyView.
ABSTRACT To address environmental and human rights issues in global commodity supply chains, governments increasingly require information from companies on their sourcing, as part of due‐diligence regulations (DDRs). This shift towards accountability to the regulator rather than to the public calls into question the role left for public transparency ...
Valentin Guye, Patrick Meyfroidt, Erasmus zu Ermgassen   +2 more
wiley   +1 more source