"refining process"

#7410094

19 November 2021

Women sort roasted tea leaves by hand into different grades at the Makaibari Tea Factory in Darjeeling, West Bengal, India, on November 20, 2012.

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#6831826

26 June 2021

A farmers dry rice before a refining process at a rice fields in Bogor, West Java, Indonesia, on June 26, 2021.

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#1530728

30 October 2016

Apart from untreated industrial and household wastes, burnt motor oil, lubricant and dyeing chemicals are also contributing greatly to the pollution of the already moribund river Buriganga in Dhaka, Bangladesh, on 30 October 2016. Motor oil traders collect burnt oil from launch operators and refine only to sell those back to them. In the process of refining the muddy and pitch-black remnants are mindlessly dumped into the river. Launch operators sell the burnt oil every two to three months. The remains after the refinement of used oil is dumped into the river.

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#1530729

30 October 2016

Apart from untreated industrial and household wastes, burnt motor oil, lubricant and dyeing chemicals are also contributing greatly to the pollution of the already moribund river Buriganga in Dhaka, Bangladesh, on 30 October 2016. Motor oil traders collect burnt oil from launch operators and refine only to sell those back to them. In the process of refining the muddy and pitch-black remnants are mindlessly dumped into the river. Launch operators sell the burnt oil every two to three months. The remains after the refinement of used oil is dumped into the river.

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#1530730

30 October 2016

Apart from untreated industrial and household wastes, burnt motor oil, lubricant and dyeing chemicals are also contributing greatly to the pollution of the already moribund river Buriganga in Dhaka, Bangladesh, on 30 October 2016. Motor oil traders collect burnt oil from launch operators and refine only to sell those back to them. In the process of refining the muddy and pitch-black remnants are mindlessly dumped into the river. Launch operators sell the burnt oil every two to three months. The remains after the refinement of used oil is dumped into the river.

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#1530731

30 October 2016

Apart from untreated industrial and household wastes, burnt motor oil, lubricant and dyeing chemicals are also contributing greatly to the pollution of the already moribund river Buriganga in Dhaka, Bangladesh, on 30 October 2016. Motor oil traders collect burnt oil from launch operators and refine only to sell those back to them. In the process of refining the muddy and pitch-black remnants are mindlessly dumped into the river. Launch operators sell the burnt oil every two to three months. The remains after the refinement of used oil is dumped into the river.

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#1233244

26 May 2016

The working process at a salt factory near Swakopmund, Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233262

26 May 2016

The working process at a salt factory near Swakopmund, Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233263

26 May 2016

The working process at a salt factory near Swakopmund, Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233265

26 May 2016

The working process at a salt factory near Swakopmund, Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233267

26 May 2016

The working process at a salt factory near Swakopmund, Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233268

26 May 2016

The working process at a salt factory near Swakopmund, Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233239

26 May 2016

A worker monitors the quality in salt washing process at the Salt Factory in Swakopmund, Namibia, on Wednesday, May 25, 2016.Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233240

26 May 2016

A worker monitors the quality in salt washing process at the Salt Factory in Swakopmund, Namibia, on Wednesday, May 25, 2016.Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233217

26 May 2016

Piles of salt are stored at a production site of Swakopmund Salt Company, Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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#1233228

26 May 2016

A worker of the Salt Factory cleans an oven from salt remnants in Swakopmund, Namibia, on Wednesday, May 25, 2016. Salt is crystallized in salt lakes by the solar evaporation method. Then salt is scooped up by special machines, washed with salt and fresh water and dried in a hot air oven at about 185°C. Salt produced at the factory is intended for the market of 15 African countries. (

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