Dish Network (Nasdaq: DISH) has made an unsolicited $2.2 billion bid to acquire Clearwire Corp. (Nasdaq: CLWR). The $3.30 per share offer represents an 11% premium to Sprint Nextel Corp.’s (NYSE: S) recent agreement to acquire the 48% stake of Clearwire that it doesn’t already own. www.clearwire.com

The Carlyle Group has hired Evercore Partners to find a buyer for Synagro Technologies Inc., a Houston, Texas–based recycler of organic waste, according to Reuters. www.synagro.com

Clearview Capital
has sold Air Cooled Exchangers LLC, a Broken Arrow, Okla.–based maker of custom engineered air cooled heat exchangers for the energy industry, to Sweden’s Alfa Laval. No financial terms were disclosed. www.ace-coolers.net

Palm Beach Capital has sold Cruise Planners-American Express Travel, a home-based travel agent franchise, to members of company management. No financial terms were disclosed. www.cruiseplanners.com

Xing AG, a listed online business network in German-speaking countries, has agreed to acquire Kununu GmbH, an Austria-based platform for employer reviews in German-speaking countries. The deal is valued at upwards of €9.4 million, including a €5.8 million earn-out. www.xing.com

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