This involves reducing excessive consumption of raw materials and energy while encouraging recycling and waste reuse whenever possible. Vacuum evaporation stands out as a key technology in the ...

WHEN constructing a rotary film evaporator 1 without a rotating vessel for solvent recovery, we required a spinning joint which would remain airtight at a reduced pressure of 15–20 mm. mercury.

Rotary double cone vacuum dryers / powderers (CRIOX System ... The mechanical action of the chamber and the lump-breakers allow the surface of the product exposed to evaporation to be increased and ...

The right vacuum cleaner makes routine cleaning faster and less of a hassle, whether you’re picking up messes on deep-pile carpets or hardwood floors. Out of the best vacuum cleaners on the ...

Learn more› by Sabine Heinlein Only a powerful plug-in upright or canister vacuum can truly deep-clean your carpets and floors. We recommend four. by Sabine Heinlein We recommend six vacuums ...

Here’s how it works. The best vacuum cleaner will suck up dirt and debris in no time and be powerful enough to make light work of tough tasks. Not only should they keep your floors spotless ...

Many rely on Dyson vacuum deals to drop those lofty price tags into more manageable positions. These are premium dust suckers, and they command a high MSRP - but with regular savings and bundle ...

Here’s how it works. At TechRadar, we've been testing the best vacuum cleaners for nine years. During that time, we've reviewed nearly 200 different models. As the Homes Editor for floorcare ...

Using our extensive hands-on lab testing, we've narrowed the robot vacuum choices for you. We evaluate mopping and carpet pick-up performance. We also test and score how each vacuum navigates and ...

The Dyson Ball Animal 3 is the best vacuum for pet hair overall due to its whole-machine filtration, rotating brush and powerful suction, all of which make it ideal for long hair and high-pile ...