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Water sachets or sachet water is a common form of selling pre-filtered or sanitized water in plastic, heat sealed bags in parts of the global south, and are especially popular in Africa. [1] Water sachets are cheaper to produce than plastic bottles, and easier to transport. [2] In some countries, water vendors refer to sachet water as "pure water".
Cold water extraction (also called CWE) is the process whereby a substance is extracted from a mixture via cold water. It is a type of fractional crystallization . The process generally involves taking a mixture of substances, dissolving them in warm water, and then rapidly cooling the mixture.
Wonderbag is a stand-alone, non-electric insulated bag designed to reduce the amount of fuel required in the cooking of food in developing countries. [1] Instead of being placed on a stove for the duration of the cooking period, food is instead heated to a hot enough temperature then transferred to the Wonderbag, which uses the principle of thermal insulation to continue cooking, and keeps ...
There is evidence that evaporative cooling may have been used in North Africa as early as the Old Kingdom of Egypt, circa 2500 BC. Frescoes show slaves fanning water jars, which would increase air flow around porous jars to aid evaporation and cooling the contents. [3] These jars exist even today. They are called zeer, hence the name of the pot ...
Trashy Bags Africa is a commercial venture in Accra, Ghana, which turns plastic waste into reusable shopping bags, fashion accessories, school supplies, and other products. [ 1 ] The company employs about forty Ghanaian workers [ 2 ] [ 3 ] to collect, clean and stitch plastic trash in the form of sachets that contained water and other beverages.
A sewage farm in Hampshire, England. The resources available in wastewater and human excreta include water, plant nutrients, organic matter and energy content. Sanitation systems that are designed for safe and effective recovery of resources can play an important role in a community's overall resource management.
Indego Africa's reports to date show steady improvements in its partners' income, educational outcomes, entrepreneurial activities, and quality of life. [13] As of 2013, 69% of its artisan partners made over $1.50 a day vs. 3% in 2010; 89% reported that Indego Africa trainings helped them run their cooperatives or other businesses; 54% participated in a business outside their cooperative; 77% ...
Modified atmosphere/modified humidity (MA/MH) packaging is a technology used to preserve the quality of fresh produce so that it can be sold to markets far away from where it is grown, extend the marketing period, and to help suppliers reduce food waste within the cold chain. Commercial examples of MA/MH include sea freight of Galia and ...